CN111114545A - Cruise torque monitoring method and device - Google Patents
Cruise torque monitoring method and device Download PDFInfo
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- CN111114545A CN111114545A CN201811289217.3A CN201811289217A CN111114545A CN 111114545 A CN111114545 A CN 111114545A CN 201811289217 A CN201811289217 A CN 201811289217A CN 111114545 A CN111114545 A CN 111114545A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/14—Adaptive cruise control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/16—Ratio selector position
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Abstract
The application discloses a cruise torque monitoring method and a cruise torque monitoring device, wherein the method comprises the following steps: firstly, judging whether a controller is awakened, if so, further acquiring driver operation information and state information related to the cruise torque, then monitoring the driver operation information and the state information to judge whether the driver operation information and the state information meet a preset cruise torque fault condition, if so, acquiring a monitoring result that the cruise torque is in fault, and if not, acquiring a monitoring result that the cruise torque is not in fault. It can be seen that, this application has judged whether the moment of torsion that cruises breaks down through monitoring driver's operation information and the status information that is relevant with the moment of torsion that cruises to compare with the moment of torsion fault condition that predetermines cruises, and then has realized being in the in-process that cruises at the car, to the pertinence control of the moment of torsion that cruises, thereby can effectively prevent the danger that the moment of torsion that cruises is misaligned and causes.
Description
Technical Field
The application relates to the technical field of automobile diagnosis and safety control, in particular to a cruise torque monitoring method and device.
Background
Modern automobiles increasingly rely on electronic control, wherein in an electrically controlled power system, torque-related intentions (accelerator, brake, gear operation, etc.) of a driver can be electronically collected and analyzed, and further converted into wheel-end torque for driving the vehicle, which is simply referred to as a control process of automobile torque, and calculation and control output are performed in an electronic control unit.
The existing torque-based control method is designed and programmed through a control strategy of a whole vehicle controller, and can conveniently and flexibly realize comprehensive optimization balance of the dynamic property, the comfort and the energy consumption of the whole vehicle. However, this method has inherent problems in ensuring the safety of the electronic control. In the electronic control mode, the control command is not mechanically connected with the torque output to the wheel end, and once the electronic control command is in error, abnormal torque can be generated at the wheel end, so that the driver can accelerate or decelerate undesirably, and danger is caused. Therefore, the torque of the automobile in the driving process needs to be monitored, and the situation that the whole automobile is in a dangerous state due to uncontrollable torque generated by failure caused by various reasons such as electronic and electric factors is avoided.
Meanwhile, with the high-speed development of the automatic driving technology, the utilization rate of the cruise function on each automobile type of the automobile is higher and higher, the traditional constant-speed cruise is developed to the adaptive cruise which is widely applied at present, the speed of the automobile can be controlled by replacing a driver, frequent cancellation and cruise control setting are avoided, the cruise system can be suitable for more road conditions, and a more relaxed driving mode is provided for the driver.
However, there is no safety monitoring method for the cruise torque when the automobile is cruising, because the cruise control system drives the automobile instead of the driver during cruising, which may generate a torque different from that generated when the driver drives the automobile during cruising, the current torque monitoring method is not suitable for monitoring the cruise torque, and is not highly targeted, so how to realize targeted monitoring of the cruise torque during cruising of the automobile becomes a problem to be solved urgently.
Disclosure of Invention
In view of this, the embodiment of the present application provides a cruise torque monitoring method and device, so as to implement targeted safety monitoring on a cruise torque when an automobile is cruising.
In order to achieve the above purpose, the embodiments of the present application provide the following technical solutions:
in a first aspect, the present application provides a cruise torque monitoring method, the method comprising:
judging whether the controller is awakened or not;
if yes, acquiring the driver operation information and the state information related to the cruise torque;
monitoring the driver operation information and the state information, and judging whether the driver operation information and the state information meet a preset cruise torque fault condition;
if so, obtaining a monitoring result that the cruise torque is in fault;
and if not, obtaining a monitoring result that the cruise torque is not in fault.
In an alternative implementation, the cruise torque fault condition includes:
the cruise function is not correctly exited; and/or, not entering cruise function properly; and/or, the cruise target vehicle speed is not correctly set; and/or the driver demand torque during cruising is not properly resolved.
In an optional implementation, the method further includes:
accumulating the time of the cruise torque failure by using a timer;
and when the accumulated time exceeds a preset threshold value, displaying the fault of the cruise torque.
In an optional implementation manner, before displaying the cruise torque fault, the method further includes:
and when the preset cruise torque fault condition that the driver operation information and the state information are not satisfied is detected, resetting the timer.
In an optional implementation manner, after obtaining the monitoring result that the cruise torque is failed, the method further includes:
and executing fault action corresponding to the fault condition according to the preset cruise torque fault condition met by the driver operation information and the state information.
In a second aspect, the present application provides a cruise torque monitoring device, the device comprising:
the first judgment unit is used for judging whether the controller is awakened or not;
an acquisition unit for acquiring driver operation information and state information related to the cruise torque if the controller is awakened;
the second judgment unit is used for judging whether the driver operation information and the state information meet the preset cruise torque fault condition or not by monitoring the driver operation information and the state information;
the first monitoring result obtaining unit is used for obtaining a monitoring result of the cruise torque failure if a preset cruise torque failure condition is met;
and the second monitoring result obtaining unit is used for obtaining a monitoring result that the cruise torque is not in fault if the preset cruise torque fault condition is not met.
In an alternative implementation, the cruise torque fault condition includes:
the cruise function is not correctly exited; and/or, not entering cruise function properly; and/or, the cruise target vehicle speed is not correctly set; and/or the driver demand torque during cruising is not properly resolved.
In an optional implementation, the apparatus further includes:
the time accumulation unit is used for accumulating the time of the cruise torque failure by using a timer;
and the fault display unit is used for displaying the fault of the cruise torque when the accumulated time exceeds a preset threshold value.
In an optional implementation, the apparatus further includes:
and the timer zero clearing unit is used for clearing the timer when detecting that the driver operation information and the state information do not meet the preset cruise torque fault condition.
In an optional implementation, the apparatus further includes:
and the execution unit is used for executing fault action corresponding to the fault condition according to the preset cruise torque fault condition met by the driver operation information and the state information.
Therefore, the embodiment of the application has the following beneficial effects:
in the cruise torque monitoring method provided by the application, whether the controller is awakened or not is judged, if the controller is awakened, driver operation information and state information related to the cruise torque can be further acquired, then, whether the driver operation information and the state information meet a preset cruise torque fault condition or not is judged by monitoring the driver operation information and the state information, if the preset cruise torque fault condition is met, a monitoring result that the cruise torque is in fault is obtained, and if the preset cruise torque fault condition is not met, a monitoring result that the cruise torque is not in fault is obtained. It can be seen that, this application has judged whether the moment of torsion that cruises breaks down through monitoring driver's operation information and the status information that is relevant with the moment of torsion that cruises to compare with the moment of torsion fault condition that predetermines cruises, and then has realized being in the in-process that cruises at the car, to the pertinence control of the moment of torsion that cruises, thereby can effectively prevent the danger that the moment of torsion that cruises is misaligned and causes.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a flow chart of a cruise torque monitoring method provided by an embodiment of the present application;
FIG. 2 is one of the schematic diagrams of a cruise torque fault condition provided by an embodiment of the present application;
FIG. 3 is a second schematic diagram of a cruise torque fault condition provided by the embodiments of the present application;
FIG. 4 is a third schematic diagram illustrating a cruise torque fault condition provided by an embodiment of the present application;
FIG. 5 is a fourth schematic illustration of a cruise torque fault condition provided by an embodiment of the present application;
FIG. 6 is a schematic diagram illustrating time accumulation by a timer according to an embodiment of the present disclosure;
FIG. 7 is a flowchart illustrating an exemplary implementation of a cruise torque monitoring method according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a cruise torque monitoring device according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the drawings are described in detail below.
In order to facilitate understanding of the technical solutions provided in the present application, the following briefly describes the research background of the technical solutions in the present application.
As is well known, with the rapid development of the automobile industry, more automobiles enter people's lives, driving safety becomes a key concern of people, and the correct output of torque is an important factor for ensuring driving safety. However, this method has inherent problems in ensuring the safety of the electronic control. In the electronic control mode, the control command has no mechanical connection relation with the torque output to the wheel end, and once the electronic control command is in error, abnormal torque can be generated at the wheel end, so that the driver can accelerate or decelerate undesirably to cause danger.
In addition, with the great increase of the utilization rate of the cruise function on each automobile type of an automobile, the cruise control system can replace a driver to drive instead of the traditional constant-speed cruise to the currently widely applied adaptive cruise, and the speed of the automobile can be controlled.
Based on the method and the device, the cruise torque monitoring method and the device are used for monitoring whether the cruise torque is output correctly or not when the automobile is in the cruise process, so that the danger caused by the misalignment of the cruise torque can be effectively prevented.
The cruise torque monitoring method provided by the embodiment of the present application will be described in detail below with reference to the accompanying drawings. Referring to fig. 1, which shows a flowchart of a cruise torque monitoring method provided in an embodiment of the present application, the embodiment may include the following steps:
step 101: and judging whether the controller is awakened or not.
In the embodiment of the application, in order to realize the targeted monitoring of the cruise torque, the precondition of the cruise torque monitoring needs to be set firstly, namely whether the controller is awakened or not is judged, and the normal output of the cruise torque can be controlled only when the controller is awakened, so that the operation of the automobile cruise function is ensured, and then the subsequent steps can be continuously executed.
Step 102: if yes, the driver operation information and the state information related to the cruise torque are obtained.
In practical application, through step 101, it may be determined whether the controller is awakened, if the controller is not awakened, the cruise torque is not monitored, and if the controller is awakened, the cruise torque may be monitored, and further, driver operation information and state information related to the cruise torque may be obtained, where the driver operation information related to the cruise torque refers to operations performed by a driver on positions such as an accelerator pedal, a brake pedal, and a shift position during driving of the vehicle, for example, operations performed by the driver such as depressing the brake pedal and shifting a shift lever to a forward gear; the state information refers to information such as vehicle speed and temperature.
After determining that the controller has been awakened and acquiring the driver operation information related to the cruise torque as the status information, step 103 may be continuously performed.
Step 103: whether the driver operation information and the state information meet the preset cruise torque fault condition or not is judged by monitoring the driver operation information and the state information.
In practical application, after the driver operation information and the state information related to the cruise torque are acquired through step 102, the driver operation information and the state information may be further monitored, and whether the driver operation information and the state information related to the cruise torque meet the preset cruise torque fault condition or not may be determined. The preset cruise torque fault condition refers to a condition which needs to be met when the preset cruise torque is in fault, namely real-time operation information of a driver or state information of an automobile when the cruise torque is in fault, and the operation information of the driver fully reflects the driving intention of the driver. If the driver presses the brake pedal, the driver wants to decelerate the vehicle, and if the opening degree of the brake pedal is large, the driver needs to decelerate as soon as possible. Therefore, the driving intention of the driver is represented by the driving information (such as the accelerator opening, the brake pedal opening, and the gear). The information can be collected through an electronic mode (such as a sensor), the information is input into a driving electronic control unit, driving intentions are calculated and analyzed through the electronic control unit, and then on the basis of the intentions, the power source is controlled to output corresponding driving torque or a braking mechanism is controlled to give braking torque, so that the driving intentions of a driver are met, and therefore, the monitoring on the cruising torque can be realized through monitoring on the operation information and the state information of the driver related to the cruising torque.
In some possible implementations of the present application, the cruise torque fault condition preset in step 103 may include:
the cruise function is not correctly exited; and/or, not entering cruise function properly; and/or, the cruise target vehicle speed is not correctly set; and/or the driver demand torque during cruising is not properly resolved.
In practical application, in order to judge whether the cruise torque is failed according to the acquired driver operation information and state information related to the cruise torque, the following four cruise torque failure conditions are preset, and the cruise torque is monitored by judging whether the driver operation information and the state information related to the cruise torque meet the preset torque failure conditions.
Wherein the first cruise torque fault condition is the cruise function not being properly exited. In practical application, in consideration of the driving safety of the automobile, when the automobile is cruising, if the following four kinds of information about the operation of the driver and the state of the automobile are collected, the cruising function should be stopped, wherein the four kinds of information are respectively: when one of the four information related to the cruise torque appears, the cruise function is quitted, but if the cruise function is not quitted when any one of the four information related to the cruise torque appears, the operation of the cruise function of the controller is failed, so that the cruise torque is out of alignment, and the cruise function is not quitted correctly.
Referring to fig. 2, which shows a schematic diagram of a cruise torque failure condition provided by an embodiment of the present application, as shown in fig. 2, when one of four cruise torque-related driver operation information and state information occurs, such as when a brake pedal is depressed, a shift lever is not in a forward gear, a cruise control key (shift lever) is switched to an off cruise position, and other conditions requiring cruise exit, and the cruise function is not properly exited, it indicates that the cruise torque is failed.
Correspondingly, the second cruise torque fault condition is an incorrect entry into the cruise function. In practical application, after the driver sets the cruise function of the automobile to standby, the cruise function of the automobile can be enabled by the following two ways, respectively: pressing a cruise target speed setting key, and setting the target speed as the current actual speed of the vehicle; and pressing a cruise target vehicle speed recovery key, and returning the target vehicle speed to the target vehicle speed before the last cruise function is quitted. If the collected related information shows that the driver does not set the cruise function to be in the standby state, or does not press the set key in the cruise standby state, or does not press the recovery key in the cruise standby state, but the cruise function is enabled, the cruise function of the controller is invalid in operation, so that the cruise torque is misaligned, and the automobile does not enter the cruise function correctly.
Referring to fig. 3, which shows a schematic diagram of another cruise torque failure condition provided by the embodiment of the present application, as shown in fig. 3, if the collected related information indicates that the cruise function is not in the standby state, or the cruise function enters the standby state and the cruise set key is not pressed, or the cruise function enters the standby state and the cruise recovery key is not pressed, but the cruise function is enabled, it indicates that the cruise torque is failed.
Further, the third cruise torque fault condition is that the cruise target vehicle speed is not properly set. In practical applications, when the cruise function of the automobile is enabled, the cruise target speed can be set or changed by the following various operation modes: pressing a cruise target speed setting key, and setting the target speed as the current actual speed of the vehicle; pressing a cruise target speed recovery key, and returning the target speed to the target speed before the last cruise function quits; pressing a cruise target speed acceleration key for a long time, wherein the target speed is increased at a certain speed until the acceleration key is released; pressing a cruise target speed acceleration key for a short time, wherein the target speed is increased by one kilometer per hour; pressing a cruise target speed reduction key for a long time, and reducing the target speed at a certain speed until the reduction key is released; and pressing a cruise target speed reduction key for a short time, wherein the target speed is reduced by one kilometer every hour. The driver can obtain and store the cruise target speed by implementing the operation, and if the collected related information shows that the driver does not perform the operation but the cruise target speed is changed, the cruise function of the controller is invalid, so that the cruise torque is misaligned, and the automobile is not correctly set to the cruise target speed.
Referring to fig. 4, which shows a schematic diagram of another cruise torque failure condition provided by the embodiment of the present application, as shown in fig. 4, if the collected related information shows that the driver does not press at least one of the set key, the resume key, the acceleration key, or the deceleration key of the cruise target vehicle speed, but the cruise target vehicle speed changes, it indicates that the controller cruise function is disabled, so that the vehicle is not correctly set to the cruise target vehicle speed, indicating that the cruise torque is failed.
Additionally, a fourth cruise torque fault condition is that the driver requested torque during cruise is not properly resolved. In the actual cruising process of an automobile, a driver required torque analysis algorithm is generally closed-loop control based on a target speed, namely, according to collected cruising-related driver operation information and state information, a redundant differentiation algorithm is used for checking a basic control algorithm, reference cruising driver required torque is set, an upper limit threshold value and a lower limit threshold value are set according to actual conditions and different automobile types, when the difference value of the actual cruising driver required torque minus the cruising-required reference torque is larger than the upper limit threshold value or smaller than the lower limit threshold value, the cruise driver required torque analysis is abnormal, and further the cruise torque is misaligned due to the fact that the cruise function of a controller is failed in operation, and the driver required torque is not correctly analyzed in the cruising process.
Referring to fig. 5, which shows a schematic diagram of another cruise torque fault condition provided by the embodiment of the present application, as shown in fig. 5, if the collected related information shows that the difference between the actual required torque of the cruise driver and the cruise required reference torque is greater than the upper threshold or smaller than the lower threshold, it indicates that the analysis of the cruise driver required torque is abnormal, and the cruise function of the controller is disabled, thereby causing a cruise torque fault.
Through step 103, if it is determined that the acquired driver operation information and state information related to the cruise torque satisfy the preset cruise torque fault condition, step 104 is continuously performed, and if it is determined that the acquired driver operation information and state information related to the cruise torque do not satisfy the preset cruise torque fault condition, step 105 is continuously performed.
Step 104: and if so, obtaining a monitoring result that the cruise torque is out of order.
In practical application, if it is determined that the acquired driver operation information and state information related to the cruise torque satisfy the preset cruise torque fault condition through step 103, it may be determined that the cruise torque is faulty, and a monitoring result of the cruise torque fault may be obtained.
Step 105: if not, a monitoring result that the cruise torque is not in fault is obtained.
In practical application, if it is determined through step 103 that the acquired driver operation information and state information related to the cruise torque do not satisfy the preset cruise torque fault condition, it may be determined that the cruise torque is not faulty, and a monitoring result that the cruise torque is not faulty may be obtained.
In some possible implementations of the present application, the present application further includes:
step A: the time of the cruise torque failure is accumulated using a timer.
And B: and when the accumulated time exceeds a preset threshold value, displaying the fault of the cruise torque.
In this implementation, because the vehicle operating mode is complicated, uncertain factor is more in the environment of traveling, when monitoring the moment of torsion that cruises, because the filtration is disturbed and the consideration that prevents that the misdiagnosis from causing the influence to the normal function of crusing of vehicle, can pass through step A, utilize the trouble timer that sets up in advance, add up the time that the moment of torsion that cruises breaks down, wherein, the trigger condition that the timer timing is: the controller is awakened and it has been determined by steps 103 and 104 above that the cruise torque is faulty; and then, step B may be continuously executed, that is, when the accumulated time exceeds a preset threshold (calibration value T), the fault of the cruise torque may be displayed, for example, a corresponding fault type may be displayed on a central control screen of the automobile in a text form, or a driver may be prompted in a voice broadcast manner, or a fault of the cruise torque may be reported in various manners such as an alarm beeping sound, and the fault is displayed to the driver, so that the driver takes a corresponding measure to eliminate the fault, as shown in fig. 6, which shows a schematic diagram of performing time accumulation by using a timer provided in the embodiment of the present application.
It should be noted that the preset threshold T of the accumulation time may be set according to an actual situation, which is not limited in this application.
Further, before the step B shows the fault of the cruise torque, the method may further include:
and when the preset cruise torque fault condition that the driver operation information and the state information are not satisfied is detected, resetting the timer.
In practical application, through the step a, when the time when the cruise torque is failed is accumulated by using the timer, before the failure is reported in the step B, as long as the cruise torque is monitored to be not failed, that is, when the acquired driver operation information and state information related to the cruise torque do not satisfy the preset cruise torque failure condition, the timer is immediately cleared, as shown in fig. 6, so as to eliminate false alarm caused by short-time misalignment due to interference of the signal, and further improve the accuracy of cruise torque monitoring.
It can be understood that, after the cruise torque failure monitoring results are obtained through steps 101 to 104, the present application may further execute a failure action corresponding to the failure condition according to the preset cruise torque failure condition satisfied by the driver operation information and the state information.
In practical application, after the cruise torque monitoring method is used for obtaining the monitoring result of the torque fault, further, corresponding fault actions can be executed according to the fault conditions corresponding to the cruise torque faults, for example, when the torque fault is caused by the failure of the cruise function of the controller, the cruise function of the automobile can be forcibly quitted, the driving safety and the like are ensured, and meanwhile, related control parameters of the cruise torque monitoring can be recorded, so that the reason of the cruise torque fault can be further analyzed.
In this way, in the cruise torque monitoring method provided by the application, whether the controller is awakened or not is judged, if the controller is awakened, driver operation information and state information related to the cruise torque can be further acquired, then, whether the driver operation information and the state information meet a preset cruise torque fault condition or not is judged by monitoring the driver operation information and the state information, if the preset cruise torque fault condition is met, a monitoring result that the cruise torque is in fault is obtained, and if the preset cruise torque fault condition is not met, a monitoring result that the cruise torque is not in fault is obtained. It can be seen that, this application has judged whether the moment of torsion that cruises breaks down through monitoring driver's operation information and the status information that is relevant with the moment of torsion that cruises to compare with the moment of torsion fault condition that predetermines cruises, and then has realized being in the in-process that cruises at the car, to the pertinence control of the moment of torsion that cruises, thereby can effectively prevent the danger that the moment of torsion that cruises is misaligned and causes.
For convenience of understanding, a detailed implementation process of the cruise torque monitoring method provided by the embodiment of the present application will be described with reference to a flowchart of a detailed implementation of the cruise torque monitoring method shown in fig. 7.
As shown in fig. 7, the specific implementation process of the embodiment of the present application is as follows: firstly, a precondition for monitoring the cruise torque needs to be set, namely whether a controller is awakened or not is judged, and the specific implementation process is shown in step 101; if the controller is awakened, the cruise torque can be monitored, further, driver operation information and state information related to the cruise torque can be obtained, and the specific implementation process is shown in step 102; then, whether the driver operation information and the state information meet the preset cruise torque fault condition or not can be judged by monitoring the driver operation information and the state information, and then a corresponding monitoring result can be obtained. The specific implementation process is shown in step 203 to step 205.
It can be understood that, in consideration of filtering out interference and preventing misdiagnosis from affecting the normal cruise function of the vehicle, a preset fault timer may be further used to accumulate the time when the cruise torque fails, when the accumulated time exceeds a preset threshold, the fault when the cruise torque occurs may be reported, and simultaneously, when a preset cruise torque fault condition that the driver operation information and the state information do not satisfy is detected, the timer is cleared to zero to eliminate false alarm caused by short-time misalignment due to interference, so as to further improve the accuracy of cruise torque monitoring, it should be noted that after the cruise torque monitoring method of the present application is used to obtain the monitoring result when the torque fails, further, a corresponding fault action may be performed according to the fault condition corresponding to the cruise torque fault, for example, when the controller fails to function and causes the torque fault, the method has the advantages that the automobile cruise function is forcibly quitted, the driving safety is guaranteed, and meanwhile, related control parameters of cruise torque monitoring can be recorded, so that the reason for the cruise torque to be in fault can be further analyzed.
The above embodiments describe the technical solution of the method of the present application in detail, and accordingly, the present application further provides a cruise torque monitoring device, which is described below.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a cruise torque monitoring device according to an embodiment of the present application, and as shown in fig. 8, the cruise torque monitoring device includes:
a first judging unit 801, configured to judge whether the controller is woken up;
an acquisition unit 802 for acquiring driver operation information and state information related to the cruise torque if the controller is awakened;
a second determination unit 803, configured to determine whether the driver operation information and the state information satisfy a preset cruise torque fault condition by monitoring the driver operation information and the state information;
a first monitoring result obtaining unit 804, configured to obtain a monitoring result that the cruise torque fails if a preset cruise torque failure condition is met;
a second monitoring result obtaining unit 805, configured to obtain a monitoring result that the cruise torque is not failed if a preset cruise torque failure condition is not met.
In some possible implementations of the present application, the cruise torque fault condition includes:
the cruise function is not correctly exited; and/or, not entering cruise function properly; and/or, the cruise target vehicle speed is not correctly set; and/or the driver demand torque during cruising is not properly resolved.
In some possible implementations of the present application, the apparatus further includes:
the time accumulation unit is used for accumulating the time of the cruise torque failure by using a timer;
and the fault display unit is used for displaying the fault of the cruise torque when the accumulated time exceeds a preset threshold value.
In some possible implementations of the present application, the apparatus further includes:
and the timer zero clearing unit is used for clearing the timer when detecting that the driver operation information and the state information do not meet the preset cruise torque fault condition.
In some possible implementations of the present application, the apparatus further includes:
and the execution unit is used for executing fault action corresponding to the fault condition according to the preset cruise torque fault condition met by the driver operation information and the state information.
In this way, in the cruise torque monitoring device provided by the application, whether the controller is awakened or not is judged, if the controller is awakened, driver operation information and state information related to the cruise torque can be further acquired, then, whether the driver operation information and the state information meet a preset cruise torque fault condition or not is judged by monitoring the driver operation information and the state information, if the preset cruise torque fault condition is met, a monitoring result that the cruise torque is in fault is obtained, and if the preset cruise torque fault condition is not met, a monitoring result that the cruise torque is not in fault is obtained. It can be seen that, this application has judged whether the moment of torsion that cruises breaks down through monitoring driver's operation information and the status information that is relevant with the moment of torsion that cruises to compare with the moment of torsion fault condition that predetermines cruises, and then has realized being in the in-process that cruises at the car, to the pertinence control of the moment of torsion that cruises, thereby can effectively prevent the danger that the moment of torsion that cruises is misaligned and causes.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the system or the device disclosed by the embodiment, the description is simple because the system or the device corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 a process, method, article, or apparatus that comprises the element.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A cruise torque monitoring method, the method comprising:
judging whether the controller is awakened or not;
if yes, acquiring the driver operation information and the state information related to the cruise torque;
monitoring the driver operation information and the state information, and judging whether the driver operation information and the state information meet a preset cruise torque fault condition;
if so, obtaining a monitoring result that the cruise torque is in fault;
and if not, obtaining a monitoring result that the cruise torque is not in fault.
2. The method of claim 1, wherein the cruise torque fault condition comprises:
the cruise function is not correctly exited; and/or, not entering cruise function properly; and/or, the cruise target vehicle speed is not correctly set; and/or the driver demand torque during cruising is not properly resolved.
3. The method of claim 1, further comprising:
accumulating the time of the cruise torque failure by using a timer;
and when the accumulated time exceeds a preset threshold value, displaying the fault of the cruise torque.
4. The method of claim 3, wherein prior to exhibiting the cruise torque fault, further comprising:
and when the preset cruise torque fault condition that the driver operation information and the state information are not satisfied is detected, resetting the timer.
5. The method of claim 1, wherein said obtaining said cruise torque failure monitoring further comprises:
and executing fault action corresponding to the fault condition according to the preset cruise torque fault condition met by the driver operation information and the state information.
6. A cruise torque monitoring device, the device comprising:
the first judgment unit is used for judging whether the controller is awakened or not;
an acquisition unit for acquiring driver operation information and state information related to the cruise torque if the controller is awakened;
the second judgment unit is used for judging whether the driver operation information and the state information meet the preset cruise torque fault condition or not by monitoring the driver operation information and the state information;
the first monitoring result obtaining unit is used for obtaining a monitoring result of the cruise torque failure if a preset cruise torque failure condition is met;
and the second monitoring result obtaining unit is used for obtaining a monitoring result that the cruise torque is not in fault if the preset cruise torque fault condition is not met.
7. The apparatus of claim 6, wherein the cruise torque fault condition comprises:
the cruise function is not correctly exited; and/or, not entering cruise function properly; and/or, the cruise target vehicle speed is not correctly set; and/or the driver demand torque during cruising is not properly resolved.
8. The apparatus of claim 6, further comprising:
the time accumulation unit is used for accumulating the time of the cruise torque failure by using a timer;
and the fault display unit is used for displaying the fault of the cruise torque when the accumulated time exceeds a preset threshold value.
9. The apparatus of claim 8, further comprising:
and the timer zero clearing unit is used for clearing the timer when detecting that the driver operation information and the state information do not meet the preset cruise torque fault condition.
10. The apparatus of claim 6, further comprising:
and the execution unit is used for executing fault action corresponding to the fault condition according to the preset cruise torque fault condition met by the driver operation information and the state information.
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| CN201811289217.3A CN111114545B (en) | 2018-10-31 | 2018-10-31 | Cruise torque monitoring method and device |
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| CN201811289217.3A CN111114545B (en) | 2018-10-31 | 2018-10-31 | Cruise torque monitoring method and device |
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| CN111114545B (en) | 2021-07-27 |
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