CN114858110A - Detection method and device of clutch position sensor and vehicle - Google Patents
Detection method and device of clutch position sensor and vehicle Download PDFInfo
- Publication number
- CN114858110A CN114858110A CN202210499821.9A CN202210499821A CN114858110A CN 114858110 A CN114858110 A CN 114858110A CN 202210499821 A CN202210499821 A CN 202210499821A CN 114858110 A CN114858110 A CN 114858110A
- Authority
- CN
- China
- Prior art keywords
- time
- clutch
- acceleration
- air pressure
- interval
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 75
- 238000007599 discharging Methods 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000008569 process Effects 0.000 claims abstract description 50
- 230000003068 static effect Effects 0.000 claims abstract description 11
- 230000001133 acceleration Effects 0.000 claims description 134
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000003860 storage Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 241000486634 Bena Species 0.000 description 3
- PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The method comprises the steps of obtaining charging time and discharging time, wherein the charging time is the time for charging the position sensor in the process of acquiring an original signal, and the discharging time is the time for discharging the position sensor in the process of acquiring the original signal; acquiring real-time air pressure detected by an air pressure sensor; the method comprises the steps of determining whether a self-learning mechanism is adopted or not according to real-time air pressure, charging time and discharging time, determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is obtained by looking up a table according to the charging time and the discharging time, considering from two aspects of static state and dynamic state, better meeting the actual requirements of a vehicle, improving the use safety of the vehicle, needing no additional detection equipment, being realized from a software level, saving the vehicle cost and further solving the problem of single function of checking the position of the current clutch.
Description
Technical Field
The application relates to the technical field of clutches, in particular to a detection method and device of a clutch position sensor and a vehicle.
Background
In a starting or gear shifting process of an Automatic Mechanical Transmission (AMT), accuracy and response speed of clutch control need to be ensured, and excessive position deviation or too slow response speed both affect starting smoothness and gear shifting success rate. Because the working environment of the position sensor installed on the vehicle is extremely severe and is influenced by factors such as temperature, vibration, electromagnetic interference and the like, position identification is easy to fail during actual operation, and a clutch can not respond to a control law to be engaged or disengaged in serious cases, so that the phenomenon of gear shifting failure during driving is easy to occur, and the gear shifting performance and the vehicle operation safety are influenced.
Disclosure of Invention
The application mainly aims to provide a detection method and device of a clutch position sensor and a vehicle, so as to solve the problem that the current clutch position checking function is single.
In order to achieve the above object, according to one aspect of the present application, there is provided a detection method of a clutch position sensor, the method including: acquiring charging time and discharging time, wherein the charging time is the time for charging a position sensor in the process of acquiring an original signal, and the discharging time is the time for discharging the position sensor in the process of acquiring the original signal; acquiring real-time air pressure detected by an air pressure sensor; and determining whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is acquired by looking up a table according to the charging time and the discharging time.
Further, determining whether a self-learning mechanism is employed based on the real-time air pressure, the charge time, and the discharge time, determining whether a clutch head difference satisfies a predetermined head difference comprises: acquiring a first time interval and a second time interval; and under the condition that the charging time is within the first time interval and the discharging time is within the second time interval, determining whether the self-learning mechanism is adopted or not according to the real-time air pressure, and determining whether the potential difference of the clutch meets the preset potential difference or not.
Further, determining whether a self-learning mechanism is employed according to the real-time air pressure, the charging time, and the discharging time, and determining whether the clutch head difference satisfies a predetermined head difference further includes: and determining that the position sensor is open-circuited or short-circuited to the ground or abnormal to the power supply when the charging time is equal to 0 and/or the discharging time is equal to 0.
Further, the clutch includes a fast-shunt electromagnetic valve, a fast-close electromagnetic valve, a slow-shunt electromagnetic valve and a slow-close electromagnetic valve, and then according to the real-time air pressure, whether the self-learning mechanism is adopted is determined, and determining whether the potential difference of the clutch meets a predetermined potential difference includes: acquiring a first air pressure interval and a second air pressure interval, wherein the first air pressure interval and the second air pressure interval do not have an intersection; and under the condition that the real-time air pressure is in the first air pressure interval or the real-time air pressure is in the second air pressure interval, driving one of a quick-acting solenoid valve, a slow-acting solenoid valve and a slow-acting solenoid valve by adopting a preset duty ratio, and comparing the potential difference of the clutch with the preset potential difference by adopting the self-learning mechanism to determine whether the potential difference of the clutch meets the preset potential difference.
Further, in a case where the real-time air pressure is within the first air pressure interval, driving one of a fast-closing solenoid valve, the slow-closing solenoid valve, and the slow-closing solenoid valve with a predetermined duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference using the self-learning mechanism, determining whether the potential difference of the clutch satisfies the predetermined potential difference includes: under the condition that the real-time air pressure is in the first air pressure interval, acquiring a first acceleration of the clutch in the process of independently driving the fast-opening solenoid valve, a second acceleration of the clutch in the process of independently driving the fast-opening solenoid valve, a third acceleration of the clutch in the process of independently driving the slow-opening solenoid valve and a fourth acceleration of the clutch in the process of independently driving the slow-opening solenoid valve; acquiring a first acceleration interval, a second acceleration interval, a third acceleration interval and a fourth acceleration interval; and under the condition that the first acceleration is within the first acceleration interval, the second acceleration is within the second acceleration interval, the third acceleration is within the third acceleration interval, and the fourth acceleration is within the fourth acceleration interval, determining whether the clutch head difference meets the preset head difference by adopting the self-learning mechanism.
Further, in a case where the real-time air pressure is within the second air pressure interval, driving one of a fast-closing solenoid valve, the slow-closing solenoid valve, and the slow-closing solenoid valve with a predetermined duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference using the self-learning mechanism, determining whether the potential difference of the clutch satisfies the predetermined potential difference includes: under the condition that the real-time air pressure is in the second air pressure interval, acquiring a fifth acceleration of the clutch in the process of independently driving the fast-acting solenoid valve, a sixth acceleration of the clutch in the process of independently driving the fast-acting solenoid valve, a seventh acceleration of the clutch in the process of independently driving the slow-acting solenoid valve and an eighth acceleration of the clutch in the process of independently driving the slow-acting solenoid valve; acquiring a fifth acceleration interval, a sixth acceleration interval, a seventh acceleration interval and an eighth acceleration interval; determining whether the clutch head difference satisfies the predetermined head difference using the self-learning mechanism if the fifth speed is within the fifth speed interval, the sixth acceleration is within the sixth acceleration interval, the seventh acceleration is within the seventh acceleration interval, and the eighth acceleration is within the eighth acceleration interval.
Further, determining whether the clutch head difference satisfies a predetermined head difference using a self-learning mechanism includes: acquiring the clutch head and the predetermined head; a self-learning mechanism is employed to determine whether the clutch head difference satisfies the predetermined head difference by comparing the magnitude of the clutch head difference to the predetermined head difference.
Further, the trigger condition of the self-learning mechanism needs to include the following conditions at the same time: the shift lever keeps a neutral gear and the running state of the vehicle is an idling speed, wherein the idling speed is that the vehicle is in a static state relative to the ground and an engine of the vehicle is in a starting state; the oil temperature of the gearbox is within a preset temperature interval; the real-time slope is less than a preset slope, the slope being determined by acceleration; the accelerator pedal has no opening or the opening is smaller than a low-idle opening threshold.
According to another aspect of the present application, there is provided a detection apparatus of a clutch position sensor, the apparatus including a first acquisition unit, a second acquisition unit, and a processing unit; the first acquisition unit is used for acquiring charging time and discharging time, wherein the charging time is the time for charging the position sensor in the process of acquiring an original signal, and the discharging time is the time for discharging the position sensor in the process of acquiring the original signal; the second acquisition unit is used for acquiring real-time air pressure sensed by the air pressure sensor; the processing unit is used for determining whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is acquired by looking up a table according to the charging time and the discharging time.
According to another aspect of the present application, there is also provided a vehicle including a controller and a clutch, the controller being electrically connected to the clutch, the controller being configured to execute the method of detecting the clutch position sensor.
By applying the technical scheme of the application, whether a self-learning mechanism is adopted or not is determined according to the real-time air pressure, the charging time and the discharging time, whether the potential difference of the clutch meets the preset potential difference or not is determined, the actual requirements of the vehicle are met in consideration of static and dynamic aspects, the use safety of the vehicle is improved, detection equipment is not additionally arranged, the implementation can be realized from a software level, the vehicle cost is saved, and the problem that the current clutch position checking function is single is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a flow chart of a method of detection of a clutch position sensor according to an embodiment of the present application;
FIG. 2 shows a schematic diagram of a detection arrangement of a clutch position sensor according to an embodiment of the present application;
FIG. 3 shows a flow chart of a detection scheme of a clutch position sensor according to an embodiment of the present application;
FIG. 4 shows a schematic diagram of a clutch detection interface according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As introduced in the background art, because the working environment where the position sensor mounted on the vehicle is located is extremely harsh, and is influenced by factors such as temperature, vibration, electromagnetic interference and the like, position recognition is prone to failure during actual operation, and in severe cases, the clutch cannot be engaged or disengaged in response to a control law, so that a phenomenon of gear shifting failure during driving is very prone to occurring, and gear shifting performance and vehicle operation safety are influenced.
According to an embodiment of the present application, a method of detecting a clutch position sensor is provided.
Fig. 1 is a flowchart of a detection method of a clutch position sensor according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
step S101, acquiring charging time and discharging time, wherein the charging time is the time for charging the position sensor in the process of acquiring an original signal, and the discharging time is the time for discharging the position sensor in the process of acquiring the original signal;
step S102, acquiring real-time air pressure detected by an air pressure sensor;
step S103, determining whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is acquired by looking up a table according to the charging time and the discharging time.
In the above steps, whether a self-learning mechanism is adopted or not is determined according to the real-time air pressure, the charging time and the discharging time, whether the potential difference of the clutch meets the preset potential difference or not is determined, the actual requirements of the vehicle are better met in both static and dynamic aspects, the use safety of the vehicle is improved, no additional detection equipment is needed, the implementation can be realized from a software level, the vehicle cost is saved, and the problem that the current clutch position checking function is single is solved.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
In one embodiment of the present application, determining whether a self-learning mechanism is used according to the real-time air pressure, the charging time, and the discharging time includes: acquiring a first time interval and a second time interval; and under the condition that the charging time is within the first time interval and the discharging time is within the second time interval, determining whether the self-learning mechanism is adopted or not according to the real-time air pressure, and determining whether the potential difference of the clutch meets the preset potential difference or not, so as to achieve the aim of static detection.
Specifically, when t1 is more than or equal to 13us and less than or equal to 610us, t1 is used for representing the charging time, and the charging process is normal; when t1 is less than 13us or t1 is more than 610us, the acquisition in the charging process is less than or greater than the available range, the connection of the clutch position sensor is normal, and the boundary range needs to be calibrated again; when t2 is more than or equal to 4.96us and less than or equal to 258.90us, t2 is used for representing the discharge time, and the discharge process is normal; when t2 < 4.96us or t2 > 258.9us, the clutch position sensor is normally connected, and the boundary range needs to be calibrated again.
In an embodiment of the present application, determining whether a self-learning mechanism is used according to the real-time air pressure, the charging time, and the discharging time further includes: and determining that the position sensor is open, or short-circuited to the ground or abnormal to the power supply when the charging time is equal to 0 and/or the discharging time is equal to 0, thereby detecting whether the circuit connection is correct.
In an embodiment of the present application, the clutch includes a fast-opening solenoid valve, a fast-closing solenoid valve, a slow-opening solenoid valve, and a slow-closing solenoid valve, and determining whether the self-learning mechanism is adopted according to the real-time air pressure, and determining whether the potential difference of the clutch satisfies a predetermined potential difference includes: acquiring a first air pressure interval and a second air pressure interval, wherein the first air pressure interval and the second air pressure interval do not have an intersection; when the real-time air pressure is within the first air pressure interval or the real-time air pressure is within the second air pressure interval, one of a fast-acting solenoid valve, the slow-acting solenoid valve and the slow-acting solenoid valve is driven by a preset duty ratio, the potential difference of the clutch is compared with the preset potential difference by the self-learning mechanism, whether the potential difference of the clutch meets the preset potential difference is determined, for example, one of the fast-acting solenoid valve, the slow-acting solenoid valve and the slow-acting solenoid valve is driven by a 100% duty ratio, the potential difference of the clutch is compared with the preset potential difference by the self-learning mechanism, and whether the potential difference of the clutch meets the preset potential difference is determined, so that the purpose of dynamic detection is achieved.
In one embodiment of the present application, in a case where the real-time air pressure is within the first air pressure interval, driving one of a fast opening solenoid valve, the fast closing solenoid valve, the slow opening solenoid valve, and the slow closing solenoid valve with a predetermined duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference using the self-learning mechanism to determine whether the potential difference of the clutch satisfies the predetermined potential difference includes: acquiring a first acceleration of the clutch during the independent driving of the fast-acting solenoid valve, a second acceleration of the clutch during the independent driving of the fast-acting solenoid valve, a third acceleration of the clutch during the independent driving of the slow-acting solenoid valve, and a fourth acceleration of the clutch during the independent driving of the slow-acting solenoid valve, when the real-time air pressure is within the first air pressure interval; acquiring a first acceleration interval, a second acceleration interval, a third acceleration interval and a fourth acceleration interval; when the first acceleration is within the first acceleration interval, the second acceleration is within the second acceleration interval, the third acceleration is within the third acceleration interval, and the fourth acceleration is within the fourth acceleration interval, the self-learning mechanism is used to determine whether the potential difference of the clutch satisfies the predetermined potential difference, and one of a fast-closing solenoid valve, the slow-closing solenoid valve, and the slow-closing solenoid valve is driven by a predetermined duty ratio by differentiating air pressure intervals, so that the detection is performed, and the accuracy of the detection result is improved.
In one embodiment of the present application, in a case where the real-time air pressure is within the second air pressure interval, driving one of a fast opening solenoid valve, the fast closing solenoid valve, the slow opening solenoid valve, and the slow closing solenoid valve with a predetermined duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference using the self-learning mechanism to determine whether the potential difference of the clutch satisfies the predetermined potential difference includes: acquiring a fifth acceleration of the clutch during driving the fast-acting solenoid valve alone, a sixth acceleration of the clutch during driving the fast-acting solenoid valve alone, a seventh acceleration of the clutch during driving the slow-acting solenoid valve alone, and an eighth acceleration of the clutch during driving the slow-acting solenoid valve alone, when the real-time air pressure is in the second air pressure interval; acquiring a fifth acceleration interval, a sixth acceleration interval, a seventh acceleration interval and an eighth acceleration interval; when the fifth speed is in the fifth speed interval, the sixth acceleration is in the sixth acceleration interval, the seventh acceleration is in the seventh acceleration interval, and the eighth acceleration is in the eighth acceleration interval, the self-learning mechanism is used to determine whether the potential difference of the clutch satisfies the predetermined potential difference, and one of a fast-acting solenoid valve, the slow-acting solenoid valve, and the slow-acting solenoid valve is driven by a predetermined duty ratio by differentiating air pressure intervals, so that the detection is performed, and the accuracy of the detection result is improved.
In one embodiment of the present application, determining whether the clutch head difference satisfies the predetermined head difference using a self-learning mechanism comprises: acquiring the potential difference of the clutch and the preset potential difference; and (2) determining whether the potential difference of the clutch meets the preset potential difference by comparing the potential difference of the clutch with the preset potential difference by adopting a self-learning mechanism, and calculating the running stroke of the clutch (namely calculating the potential difference of the clutch): when the clutch is separated to the maximum position, subtracting the zero position of the clutch stored in the memory according to the current position acquired by the position sensor, and comparing the zero position with the mechanical design size value and the sliding friction loss value of the clutch stored in the memory to obtain a clutch position checking result, wherein the memory comprises an EEPROM.
In an embodiment of the present application, the triggering condition of the self-learning mechanism includes the following conditions: the shift lever keeps neutral and the running state of the vehicle is idle speed, the idle speed is that the vehicle is in a static state relative to the ground and an engine of the vehicle is in a starting state; the oil temperature of the gearbox is within a preset temperature interval; the real-time gradient is less than a preset gradient, and the gradient is determined by acceleration; the accelerator pedal has no opening or the opening is smaller than the low-idle speed opening threshold value, so that the accuracy of the detection result is ensured.
The embodiment of the present application further provides a detection device of a clutch position sensor, and it should be noted that the detection device of the clutch position sensor according to the embodiment of the present application may be used to execute the detection method for the clutch position sensor according to the embodiment of the present application. The following describes a detection device of a clutch position sensor according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a detection device of a clutch position sensor according to an embodiment of the present application. As shown in fig. 2, the apparatus includes a first acquiring unit 10, a second acquiring unit 20, and a processing unit 30;
the first acquiring unit 10 is configured to acquire a charging time and a discharging time, where the charging time is a time for charging a position sensor in a process of acquiring an original signal, and the discharging time is a time for discharging the position sensor in the process of acquiring the original signal; the second obtaining unit 20 is configured to obtain real-time air pressure sensed by the air pressure sensor; the processing unit 30 is configured to determine whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, and determine whether the clutch potential difference satisfies a predetermined potential difference, where the clutch potential difference is obtained by looking up a table according to the charging time and the discharging time.
In the device, whether a self-learning mechanism is adopted or not is determined by the processing unit according to the real-time air pressure, the charging time and the discharging time, whether the potential difference of the clutch meets the preset potential difference or not is determined, the actual requirements of the vehicle are better met in both static and dynamic aspects, the use safety of the vehicle is improved, additional detection equipment is not needed, the device can be realized in a software level, the vehicle cost is saved, and the problem that the current position checking function of the clutch is single is solved.
In an embodiment of the present application, the processing unit includes a first obtaining module and a first determining module, wherein the first obtaining module is configured to obtain a first time interval and a second time interval; the first determining module is used for determining whether the self-learning mechanism is adopted or not according to the real-time air pressure and determining whether the potential difference of the clutch meets the preset potential difference or not under the condition that the charging time is within the first time interval and the discharging time is within the second time interval.
In an embodiment of the application, the processing unit further includes a second determining module, and the second determining module is configured to determine that the position sensor is open, or short-circuited to ground, or abnormal to short-circuited to the power supply, when the charging time is equal to 0 and/or the discharging time is equal to 0.
In an embodiment of the present application, the clutch includes a fast-split solenoid valve, a slow-split solenoid valve, and a slow-split solenoid valve, the processing module includes a second obtaining module and a third determining module, the second obtaining module is configured to obtain a first air pressure interval and a second air pressure interval, and the first air pressure interval and the second air pressure interval have no intersection; the third determining module is configured to drive one of a fast-acting solenoid valve, a slow-acting solenoid valve and a slow-acting solenoid valve with a predetermined duty ratio when the real-time air pressure is within the first air pressure interval or the real-time air pressure is within the second air pressure interval, and compare the potential difference of the clutch with the predetermined potential difference using the self-learning mechanism to determine whether the potential difference of the clutch satisfies the predetermined potential difference.
In an embodiment of the application, the third determining module includes a first obtaining sub-module, a second obtaining sub-module, and a first processing sub-module, where the first obtaining sub-module is configured to obtain, when the real-time air pressure is within the first air pressure interval, a first acceleration of the clutch during a process of separately driving the fast-acting solenoid valve, a second acceleration of the clutch during a process of separately driving the fast-acting solenoid valve, a third acceleration of the clutch during a process of separately driving the slow-acting solenoid valve, and a fourth acceleration of the clutch during a process of separately driving the slow-acting solenoid valve; the second obtaining submodule is used for obtaining a first acceleration interval, a second acceleration interval, a third acceleration interval and a fourth acceleration interval; the first processing submodule is configured to determine whether the potential difference of the clutch satisfies the predetermined potential difference by using the self-learning mechanism when the first acceleration is within the first acceleration interval, the second acceleration is within the second acceleration interval, the third acceleration is within the third acceleration interval, and the fourth acceleration is within the fourth acceleration interval, and drive one of a fast-opening solenoid valve, the fast-closing solenoid valve, the slow-closing solenoid valve, and the slow-closing solenoid valve with a predetermined duty ratio by differentiating air pressure intervals, so as to perform detection, thereby improving accuracy of a detection result.
In an embodiment of the present application, the third determining module includes a third obtaining sub-module, a fourth obtaining sub-module, and a second processing sub-module; the third obtaining submodule is configured to obtain, when the real-time air pressure is in the second air pressure interval, a fifth acceleration of the clutch during independent driving of the fast-distribution solenoid valve, a sixth acceleration of the clutch during independent driving of the fast-distribution solenoid valve, a seventh acceleration of the clutch during independent driving of the slow-distribution solenoid valve, and an eighth acceleration of the clutch during independent driving of the slow-distribution solenoid valve; the fourth obtaining submodule is used for obtaining a fifth acceleration interval, a sixth acceleration interval, a seventh acceleration interval and an eighth acceleration interval; the second processing submodule is configured to determine whether the potential difference of the clutch satisfies the predetermined potential difference by using the self-learning mechanism and drive one of a fast-acting solenoid valve, a slow-acting solenoid valve and a slow-acting solenoid valve with a predetermined duty ratio by distinguishing air pressure intervals when the fifth speed is within the fifth speed interval, the sixth acceleration is within the sixth acceleration interval, the seventh acceleration is within the seventh acceleration interval, and the eighth acceleration is within the eighth acceleration interval, so as to perform detection, thereby improving accuracy of a detection result.
In an embodiment of the present application, the processing unit includes a third obtaining module and a fourth determining module, the third obtaining module is configured to obtain the clutch potential difference and the predetermined potential difference; the fourth determining module is used for determining whether the potential difference of the clutch meets the preset potential difference or not by comparing the potential difference of the clutch with the preset potential difference by adopting a self-learning mechanism.
According to another aspect of the present application, there is also provided a vehicle including a controller and a clutch, the controller being electrically connected to the clutch, the controller being configured to execute the method for detecting the clutch position sensor.
The detection device of the clutch position sensor comprises a processor and a memory, wherein the first acquisition unit, the second acquisition unit, the processing unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the problem that the current clutch position checking function is single is solved by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
The embodiment of the invention provides a computer-readable storage medium, which comprises a stored program, wherein when the program runs, a device where the computer-readable storage medium is located is controlled to execute the detection method of the clutch position sensor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes the detection method of the clutch position sensor when running.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized: acquiring charging time and discharging time, wherein the charging time is the time for charging a position sensor in the process of acquiring an original signal, and the discharging time is the time for discharging the position sensor in the process of acquiring the original signal; acquiring real-time air pressure detected by an air pressure sensor; and determining whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is acquired by looking up a table according to the charging time and the discharging time. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device: acquiring charging time and discharging time, wherein the charging time is the time for charging a position sensor in the process of acquiring an original signal, and the discharging time is the time for discharging the position sensor in the process of acquiring the original signal; acquiring real-time air pressure detected by an air pressure sensor; and determining whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is acquired by looking up a table according to the charging time and the discharging time.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both permanent and non-permanent, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Examples
Embodiments of the present application also provide a detection scheme of a clutch position sensor, as shown in fig. 3, the scheme includes the following steps:
step 1: acquiring a charging time t1 and a discharging time t2, where the charging time t1 is a time for charging a position sensor in a process of acquiring an original signal, and the discharging time t2 is a time for discharging the position sensor in the process of acquiring the original signal;
step 2: determining whether the charging time t1 and the discharging time t2 are within a normal range, determining whether the charging time t1 and the discharging time t2 are 0 if the charging time t1 and the discharging time t2 are not within the normal range, and determining whether the position sensor is open-circuited, or short-circuited to the ground, or abnormal short-circuited to the power supply if the charging time t1 and the discharging time t2 are 0; in the case where the charging time t1 and the discharging time t2 are not 0, the normal range is modified and the operation of step 2 is repeated, and in the case where the charging time t1 and the discharging time t2 are within the normal range, step 3 is performed;
and step 3: judging whether the real-time air pressure is in the range of 8-10 bar, and performing the step 4 under the condition that the real-time air pressure is in the range of 8-10 bar; under the condition that the real-time air pressure is not within the range of 8-10 bar, judging whether the real-time air pressure is within the range of 10-12 bar, under the condition that the real-time air pressure is within the range of 10-12 bar, performing the step 5, under the condition that the real-time air pressure is not within the range of 10-12 bar, determining that the real-time air pressure is insufficient, acquiring the real-time air pressure again, and repeating the operation of the step 3;
and 4, step 4: acquiring a first acceleration a1 of the clutch during driving of the fast-distribution solenoid valve alone, a second acceleration a2 of the clutch during driving of the fast-distribution solenoid valve alone, a third acceleration a3 of the clutch during driving of the slow-distribution solenoid valve alone, and a fourth acceleration a4 of the clutch during driving of the slow-distribution solenoid valve alone, and determining whether a first predetermined condition is satisfied, the first predetermined condition including:
aD1-d1≤a1≤aD1+d1
aE1-d2≤a2≤aE1+d2
aD2-d3≤a3≤aE1+d3
aE2-d4≤a4≤aE2+d4；
if the first predetermined condition is satisfied, outputting bEna _ FullStroke as 1, and if the first predetermined condition is not satisfied, performing safety control on the corresponding fault; the aD1, the aE1, the aD2 and the aE2 are set values of acceleration of a fast-power electromagnetic valve, a fast-closing electromagnetic valve, a slow-power electromagnetic valve and a slow-closing electromagnetic valve of the clutch respectively; d1, d2, d3 and d4 are acceleration offsets when the real-time air pressure is 8-10 bar respectively;
and 5: acquiring a fifth acceleration a5 of the clutch during the independent driving of the fast-acting solenoid valve, a sixth acceleration a6 of the clutch during the independent driving of the fast-acting solenoid valve, a seventh acceleration a7 of the clutch during the independent driving of the slow-acting solenoid valve, and an eighth acceleration a8 of the clutch during the independent driving of the slow-acting solenoid valve, and determining whether a second predetermined condition is satisfied, wherein the second predetermined condition includes:
aD1-e1≤a1≤aD1+e1
aE1-e2≤a2≤aE1+e2
aD2-e3≤a3≤aE1+e3
aE2-e4≤a4≤aE2+e4；
wherein e1, e2, e3 and e4 are acceleration offsets when the real-time air pressure is 10-12 bar, respectively, the output bEna _ FullStroke is 1 when a second condition is met, and the potential difference of the clutch is corrected when the second predetermined condition is not met;
step 6: in the case where the output bEna _ fullstrom is 1, a self-learning mechanism is employed to determine whether the above clutch potential difference satisfies a predetermined potential difference.
As shown in fig. 4, the clutch detection interface includes a first time pin, a second time pin and a position pin, the first time pin is used for acquiring the charging time, the second time pin is used for acquiring the discharging time, and the position pin is used for acquiring the position information of the clutch.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) according to the detection method of the clutch position sensor, whether a self-learning mechanism is adopted or not is determined according to the real-time air pressure, the charging time and the discharging time, whether the potential difference of the clutch meets the preset potential difference or not is determined, the actual requirements of a vehicle are better met in consideration of static and dynamic aspects, the use safety of the vehicle is improved, additional detection equipment is not needed, the detection method can be realized from a software level, the vehicle cost is saved, and the problem that the current clutch position checking function is single is solved;
2) the detection device of the clutch position sensor determines whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, determines whether the potential difference of the clutch meets the preset potential difference or not, and considers from static and dynamic aspects, so that the detection device more meets the actual requirements of a vehicle, improves the use safety of the vehicle, does not need to additionally increase detection equipment, can be realized from a software layer, saves the vehicle cost, and solves the problem of single function of checking the position of the current clutch.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A method of detecting a clutch position sensor, comprising:
acquiring charging time and discharging time, wherein the charging time is the time for charging a position sensor in the process of acquiring an original signal, and the discharging time is the time for discharging the position sensor in the process of acquiring the original signal;
acquiring real-time air pressure detected by an air pressure sensor;
and determining whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is acquired by looking up a table according to the charging time and the discharging time.
2. The method of claim 1, wherein determining whether to use a self-learning mechanism to determine whether the clutch head difference satisfies a predetermined head difference based on the real-time air pressure, the charge time, and the discharge time comprises:
acquiring a first time interval and a second time interval;
and under the condition that the charging time is within the first time interval and the discharging time is within the second time interval, determining whether the self-learning mechanism is adopted or not according to the real-time air pressure, and determining whether the potential difference of the clutch meets the preset potential difference or not.
3. The method as claimed in claim 2, wherein determining whether a self-learning mechanism is used to determine whether the clutch head difference satisfies a predetermined head difference based on the real-time air pressure, the charging time, and the discharging time, further comprises:
and determining that the position sensor is open circuit, or short circuit to the ground, or short circuit to the power supply is abnormal when the charging time is equal to 0 and/or the discharging time is equal to 0.
4. The method as claimed in claim 2, wherein the clutch includes a fast-opening solenoid valve, a fast-closing solenoid valve, a slow-opening solenoid valve, and a slow-closing solenoid valve, and determining whether the self-learning mechanism is adopted and whether the potential difference of the clutch satisfies the predetermined potential difference based on the real-time air pressure comprises:
acquiring a first air pressure interval and a second air pressure interval, wherein the first air pressure interval and the second air pressure interval do not have an intersection;
and under the condition that the real-time air pressure is in the first air pressure interval or the real-time air pressure is in the second air pressure interval, driving one of a quick-acting solenoid valve, a slow-acting solenoid valve and a slow-acting solenoid valve by adopting a preset duty ratio, and comparing the potential difference of the clutch with the preset potential difference by adopting the self-learning mechanism to determine whether the potential difference of the clutch meets the preset potential difference.
5. The method of claim 4, wherein, in the case that the real-time air pressure is within the first air pressure interval, driving one of a fast-closing solenoid valve, a slow-closing solenoid valve, and a slow-closing solenoid valve with a predetermined duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference using the self-learning mechanism to determine whether the potential difference of the clutch satisfies the predetermined potential difference comprises:
under the condition that the real-time air pressure is in the first air pressure interval, acquiring a first acceleration of the clutch in the process of independently driving the fast-opening solenoid valve, a second acceleration of the clutch in the process of independently driving the fast-opening solenoid valve, a third acceleration of the clutch in the process of independently driving the slow-opening solenoid valve and a fourth acceleration of the clutch in the process of independently driving the slow-opening solenoid valve;
acquiring a first acceleration interval, a second acceleration interval, a third acceleration interval and a fourth acceleration interval;
and under the condition that the first acceleration is within the first acceleration interval, the second acceleration is within the second acceleration interval, the third acceleration is within the third acceleration interval, and the fourth acceleration is within the fourth acceleration interval, determining whether the clutch head difference meets the preset head difference by adopting the self-learning mechanism.
6. The method of claim 4, wherein, in the case that the real-time air pressure is within the second air pressure interval, driving one of a fast-closing solenoid valve, a slow-closing solenoid valve, and a slow-closing solenoid valve with a predetermined duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference using the self-learning mechanism to determine whether the potential difference of the clutch satisfies the predetermined potential difference comprises:
under the condition that the real-time air pressure is in the second air pressure interval, acquiring a fifth acceleration of the clutch in the process of independently driving the fast-acting solenoid valve, a sixth acceleration of the clutch in the process of independently driving the fast-acting solenoid valve, a seventh acceleration of the clutch in the process of independently driving the slow-acting solenoid valve and an eighth acceleration of the clutch in the process of independently driving the slow-acting solenoid valve;
acquiring a fifth acceleration interval, a sixth acceleration interval, a seventh acceleration interval and an eighth acceleration interval;
determining whether the clutch head difference satisfies the predetermined head difference using the self-learning mechanism if the fifth speed is within the fifth speed interval, the sixth acceleration is within the sixth acceleration interval, the seventh acceleration is within the seventh acceleration interval, and the eighth acceleration is within the eighth acceleration interval.
7. The method as claimed in any one of claims 1 to 6, wherein determining whether the clutch head difference satisfies a predetermined head difference using a self-learning mechanism comprises:
acquiring the potential difference of the clutch and the preset potential difference;
a self-learning mechanism is used to determine whether the clutch head difference satisfies the predetermined head difference by comparing the clutch head difference to the predetermined head difference.
8. The method as claimed in any one of claims 1 to 6, wherein the triggering condition of the self-learning mechanism requires the following conditions to be included simultaneously:
the shift lever keeps a neutral gear and the running state of the vehicle is an idling speed, wherein the idling speed is that the vehicle is in a static state relative to the ground and an engine of the vehicle is in a starting state;
the oil temperature of the gearbox is within a preset temperature interval;
the real-time slope is less than a preset slope, the slope being determined by acceleration;
the accelerator pedal has no opening or the opening is smaller than a low-idle opening threshold.
9. A detecting device of a clutch position sensor, characterized by comprising:
the device comprises a first acquisition unit, a second acquisition unit and a control unit, wherein the first acquisition unit is used for acquiring charging time and discharging time, the charging time is the time for charging a position sensor in the process of acquiring an original signal, and the discharging time is the time for discharging the position sensor in the process of acquiring the original signal;
the second acquisition unit is used for acquiring real-time air pressure sensed by the air pressure sensor;
and the processing unit is used for determining whether a self-learning mechanism is adopted or not according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is acquired by looking up a table according to the charging time and the discharging time.
10. A vehicle characterized by comprising a controller and a clutch, the controller being electrically connected to the clutch, the controller being configured to execute the detection method of the clutch position sensor according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499821.9A CN114858110B (en) | 2022-05-09 | 2022-05-09 | Detection method and device of clutch position sensor and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499821.9A CN114858110B (en) | 2022-05-09 | 2022-05-09 | Detection method and device of clutch position sensor and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114858110A true CN114858110A (en) | 2022-08-05 |
| CN114858110B CN114858110B (en) | 2023-12-15 |
Family
ID=82638118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210499821.9A Active CN114858110B (en) | 2022-05-09 | 2022-05-09 | Detection method and device of clutch position sensor and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114858110B (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0901932A2 (en) * | 1997-09-12 | 1999-03-17 | Isuzu Motors Limited | Apparatus for engine speed and clutch engagement control |
| US20020163437A1 (en) * | 2001-03-28 | 2002-11-07 | Hardy Haas | Method for establishing the angular position of a vehicle |
| CN101118689A (en) * | 2006-07-31 | 2008-02-06 | 许丰 | Remote-control adaptation device |
| WO2008122213A1 (en) * | 2007-04-09 | 2008-10-16 | Hua Zhao | Control method and device of engines |
| JP2010030429A (en) * | 2008-07-29 | 2010-02-12 | Nissan Motor Co Ltd | Clutch control device for vehicle |
| US20110264317A1 (en) * | 2010-04-23 | 2011-10-27 | Gm Global Technology Operations, Inc. | Self-learning satellite navigation assisted hybrid vehicle controls system |
| CN103335587A (en) * | 2013-07-02 | 2013-10-02 | 潍柴动力股份有限公司 | Online checking method and device for position sensor |
| CN104343973A (en) * | 2013-07-29 | 2015-02-11 | 爱信精机株式会社 | Clutch learning apparatus |
| DE102014218544A1 (en) * | 2014-09-16 | 2016-03-17 | Schaeffler Technologies AG & Co. KG | Sensorike unit for determining a rotor position of an electric motor and an electric motor, vozugsweise for a clutch actuator of a clutch actuation system of a motor vehicle |
| US9702315B1 (en) * | 2008-11-14 | 2017-07-11 | Brian Palmer | System for enhanced vehicle performance and efficiency |
| CN107734455A (en) * | 2017-10-25 | 2018-02-23 | 维沃移动通信有限公司 | A kind of method, terminal and the readable storage medium storing program for executing of positional information record |
| US20190121348A1 (en) * | 2016-06-15 | 2019-04-25 | Strong Force Iot Portfolio 2016, Llc | Method and system of modifying a data collection trajectory for vehicles |
| KR20190100114A (en) * | 2019-08-09 | 2019-08-28 | 엘지전자 주식회사 | Battery device and controlling method thereof |
| CN110651135A (en) * | 2017-06-07 | 2020-01-03 | 舍弗勒技术股份两合公司 | Method and device for determining the absolute position of a component of an actuator, in particular a clutch actuator, which rotates about an axis of rotation |
| CN111350814A (en) * | 2018-12-24 | 2020-06-30 | 长城汽车股份有限公司 | Oil filling time or oil filling pressure calibration method and system of clutch and vehicle |
| CN112576726A (en) * | 2020-12-16 | 2021-03-30 | 潍柴动力股份有限公司 | Parallel vehicle clutch self-learning method, device, equipment, medium and product |
| CN112664646A (en) * | 2021-01-04 | 2021-04-16 | 潍柴动力股份有限公司 | Clutch control method, device, equipment, medium and product |
| DE102020102063B3 (en) * | 2020-01-29 | 2021-05-27 | Schaeffler Technologies AG & Co. KG | Clutch actuator, detection system and method for detecting an angular position of a rotating component |
| CN113090406A (en) * | 2021-04-08 | 2021-07-09 | 联合汽车电子有限公司 | Self-learning method, vehicle and readable storage medium |
| CN113131565A (en) * | 2016-06-01 | 2021-07-16 | 华为技术有限公司 | Charging method and terminal |
| CN114046318A (en) * | 2021-11-25 | 2022-02-15 | 潍柴动力股份有限公司 | Cylinder pressure-based clutch control method, device and equipment |
| CN114046319A (en) * | 2021-11-11 | 2022-02-15 | 潍柴动力股份有限公司 | AMT clutch position correction method and system |
-
2022
- 2022-05-09 CN CN202210499821.9A patent/CN114858110B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0901932A2 (en) * | 1997-09-12 | 1999-03-17 | Isuzu Motors Limited | Apparatus for engine speed and clutch engagement control |
| US20020163437A1 (en) * | 2001-03-28 | 2002-11-07 | Hardy Haas | Method for establishing the angular position of a vehicle |
| CN101118689A (en) * | 2006-07-31 | 2008-02-06 | 许丰 | Remote-control adaptation device |
| WO2008122213A1 (en) * | 2007-04-09 | 2008-10-16 | Hua Zhao | Control method and device of engines |
| JP2010030429A (en) * | 2008-07-29 | 2010-02-12 | Nissan Motor Co Ltd | Clutch control device for vehicle |
| US9702315B1 (en) * | 2008-11-14 | 2017-07-11 | Brian Palmer | System for enhanced vehicle performance and efficiency |
| US20110264317A1 (en) * | 2010-04-23 | 2011-10-27 | Gm Global Technology Operations, Inc. | Self-learning satellite navigation assisted hybrid vehicle controls system |
| CN103335587A (en) * | 2013-07-02 | 2013-10-02 | 潍柴动力股份有限公司 | Online checking method and device for position sensor |
| CN104343973A (en) * | 2013-07-29 | 2015-02-11 | 爱信精机株式会社 | Clutch learning apparatus |
| DE102014218544A1 (en) * | 2014-09-16 | 2016-03-17 | Schaeffler Technologies AG & Co. KG | Sensorike unit for determining a rotor position of an electric motor and an electric motor, vozugsweise for a clutch actuator of a clutch actuation system of a motor vehicle |
| CN113131565A (en) * | 2016-06-01 | 2021-07-16 | 华为技术有限公司 | Charging method and terminal |
| US20190121348A1 (en) * | 2016-06-15 | 2019-04-25 | Strong Force Iot Portfolio 2016, Llc | Method and system of modifying a data collection trajectory for vehicles |
| CN110651135A (en) * | 2017-06-07 | 2020-01-03 | 舍弗勒技术股份两合公司 | Method and device for determining the absolute position of a component of an actuator, in particular a clutch actuator, which rotates about an axis of rotation |
| CN107734455A (en) * | 2017-10-25 | 2018-02-23 | 维沃移动通信有限公司 | A kind of method, terminal and the readable storage medium storing program for executing of positional information record |
| CN111350814A (en) * | 2018-12-24 | 2020-06-30 | 长城汽车股份有限公司 | Oil filling time or oil filling pressure calibration method and system of clutch and vehicle |
| KR20190100114A (en) * | 2019-08-09 | 2019-08-28 | 엘지전자 주식회사 | Battery device and controlling method thereof |
| DE102020102063B3 (en) * | 2020-01-29 | 2021-05-27 | Schaeffler Technologies AG & Co. KG | Clutch actuator, detection system and method for detecting an angular position of a rotating component |
| CN112576726A (en) * | 2020-12-16 | 2021-03-30 | 潍柴动力股份有限公司 | Parallel vehicle clutch self-learning method, device, equipment, medium and product |
| CN112664646A (en) * | 2021-01-04 | 2021-04-16 | 潍柴动力股份有限公司 | Clutch control method, device, equipment, medium and product |
| CN113090406A (en) * | 2021-04-08 | 2021-07-09 | 联合汽车电子有限公司 | Self-learning method, vehicle and readable storage medium |
| CN114046319A (en) * | 2021-11-11 | 2022-02-15 | 潍柴动力股份有限公司 | AMT clutch position correction method and system |
| CN114046318A (en) * | 2021-11-25 | 2022-02-15 | 潍柴动力股份有限公司 | Cylinder pressure-based clutch control method, device and equipment |
Non-Patent Citations (1)
| Title |
|---|
| 黄全安;宋健;章国胜;李磊;: "AMT控制器的***安全性设计", 清华大学学报(自然科学版), no. 11, pages 99 - 103 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114858110B (en) | 2023-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113756907B (en) | Engine oil pressure control method and device and vehicle | |
| KR101320883B1 (en) | Vehicle controller | |
| CN113418655B (en) | Pressure difference sensor fault detection method and system, storage medium and electronic equipment | |
| GB2286862A (en) | Torque transfer control method controls clutch torque in dependence on a drive torque | |
| CN111140377B (en) | Method and device for detecting misloading of throttle valve, storage medium and electronic equipment | |
| CN110284960B (en) | Supercharger control method and device, storage medium and computer equipment | |
| CN114858110A (en) | Detection method and device of clutch position sensor and vehicle | |
| CN114251446A (en) | Gear shifting control method and device of AMT (automated mechanical Transmission) engine | |
| CN103569121B (en) | System and method for controlling power transmission system of vehicle | |
| KR20170068288A (en) | Shift control method for vehicle | |
| US10054220B2 (en) | System and method for controlling shift for vehicle | |
| CN111692331A (en) | Control method and device for engine gear shifting and heavy truck tractor | |
| CN113137312B (en) | Method, device and equipment for adjusting engine speed and storage medium | |
| CN115275277A (en) | Fuel cell low-temperature starting method, device and system and fuel cell equipment | |
| CN110552800B (en) | Throttle control method and device | |
| CN103671884A (en) | Method and control device for controlling a positvely locking shift element of a transmission | |
| CN111089166B (en) | Self-learning method and device for hydraulic torque converter, electronic equipment and storage medium | |
| CN112277925B (en) | Vehicle speed adjusting method and device and electronic equipment | |
| CN101737488A (en) | Method and system for controlling transmission | |
| KR101686798B1 (en) | Automatic transmission apparatus and damper clutch control method thereof | |
| GB2555850B (en) | Controlling a transmission system for a vehicle | |
| CN112799438B (en) | Oil state control method and device of transfer case and vehicle | |
| JP4305023B2 (en) | Hydraulic control device for automatic transmission | |
| CN115163244A (en) | Engine oil temperature control method, vehicle, storage medium and electronic device | |
| CN115387940B (en) | Pressure control method and device for multi-cylinder engine, storage medium and processor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |