CN115056777A - Control method and device for vehicle launch starting, vehicle and storage medium - Google Patents
Control method and device for vehicle launch starting, vehicle and storage medium Download PDFInfo
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- CN115056777A CN115056777A CN202111348861.5A CN202111348861A CN115056777A CN 115056777 A CN115056777 A CN 115056777A CN 202111348861 A CN202111348861 A CN 202111348861A CN 115056777 A CN115056777 A CN 115056777A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000010355 oscillation Effects 0.000 claims abstract description 132
- 230000003213 activating effect Effects 0.000 claims abstract description 5
- 230000035939 shock Effects 0.000 claims description 16
- 230000009514 concussion Effects 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 7
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims 3
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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
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18027—Drive off, accelerating from standstill
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
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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
- B60W50/08—Interaction between the driver and the control system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a control method and a control device for vehicle launch starting, a vehicle and a storage medium, wherein the control method comprises the following steps: receiving a launch start instruction, and judging whether the vehicle meets the condition of entering a launch start preparation mode; if so, controlling the vehicle to enter a launch starting preparation mode, and activating a torque oscillation random generator of the vehicle; judging whether the vehicle meets the condition of entering a launch starting mode or not; and if so, controlling the vehicle to enter an ejection starting mode so as to control a power system of the vehicle to operate at the current maximum output torque. According to the invention, when the condition that the vehicle meets the condition of entering the launch start preparation mode is determined, the vehicle is controlled to enter the launch start preparation mode, and the torque oscillation random generator of the vehicle is activated to randomly generate oscillation torque, so that the vehicle is endowed with strong individuality, therefore, the vehicle has richer performance in the launch start preparation stage, the communication between a driver and the vehicle is enhanced, and the user experience is improved while the driving pleasure is improved.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a control method and device for vehicle launch starting, a vehicle and a storage medium.
Background
The sport vehicles are generally designed with a launch starting function to improve the vehicle starting and accelerating performance, however, at the present, the vehicle has single performance in the launch starting preparation stage, so that the user lacks the driving pleasure, and the user experience is poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the first objective of the present invention is to provide a control method for vehicle launch start, which controls a vehicle to enter a launch start preparation mode and activates a torque oscillation random generator of the vehicle to randomly generate an oscillation torque when determining that the vehicle meets a condition for entering the launch start preparation mode, so as to endow the vehicle with strong individuality, thereby enabling the vehicle to have richer performance in the launch start preparation stage, enhancing the communication between a driver and the vehicle, and improving the user experience while improving the driving pleasure.
Therefore, a second object of the present invention is to provide a control device for a vehicle launch start.
To this end, a third object of the invention is to propose a vehicle.
To this end, a fourth object of the invention is to propose a computer-readable storage medium.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a control method for a vehicle launch start, including: receiving a launch start instruction, and judging whether the vehicle meets the condition of entering a launch start preparation mode; if so, controlling the vehicle to enter the launch starting preparation mode so as to activate a torque oscillation random generator of the vehicle, wherein the torque oscillation random generator randomly outputs a plurality of oscillation torques with random duration within a preset torque range; judging whether the vehicle meets the condition of entering a launch starting mode or not; and if the vehicle meets the condition of entering the launch starting mode, controlling the vehicle to enter the launch starting mode so as to control a power system of the vehicle to operate at the current maximum output torque.
According to the control method for the vehicle launch starting, provided by the embodiment of the invention, when the launch instruction is received, whether the vehicle meets the condition of entering the launch starting preparation mode is judged, when the condition that the vehicle meets the condition of entering the launch starting preparation mode is determined, the vehicle is controlled to enter the launch starting preparation mode, and the torque oscillation random generator of the vehicle is activated to randomly generate oscillation torque, so that the vehicle is endowed with strong individuality, the vehicle has richer performance in the launch starting preparation stage, the communication between a driver and the vehicle is enhanced, and the user experience is improved while the driving pleasure is improved.
In some embodiments, the torque oscillation randomizer randomly outputs a plurality of oscillation torques with random durations within a preset torque range, including: the method comprises the steps of obtaining the residual electric quantity of a vehicle battery system, and controlling a torque oscillation random generator to randomly output a plurality of oscillation torques with random duration within the torque range of oscillation maximum torque and oscillation minimum torque, wherein when the residual electric quantity is less than the preset electric quantity, the oscillation maximum torque and the oscillation minimum torque are respectively less than the preset oscillation maximum torque and the preset oscillation minimum torque corresponding to the preset electric quantity.
In some embodiments, the launch preparation mode is divided into at least one time phase, and the oscillation frequency is different in the different time phases.
In some embodiments, the launch preparation mode is divided into at least one time phase, and the concussion maximum torque and the concussion minimum torque are different in the different time phases.
In some embodiments, after the torque oscillation randomizer randomly outputs a plurality of oscillation torques with random durations within a preset torque range, the method further includes: after a first preset time, controlling the torque oscillation random generator to continuously output a target oscillation torque, wherein the target oscillation torque is an average value of a plurality of oscillation torques.
In some embodiments, the conditions for entering the launch preparation mode include: the vehicle is in a state of waiting to run; and the time from the last time that the vehicle exits the catapult starting preparation mode is more than or equal to a second preset time; and the time from the last time that the vehicle exits the launch starting mode is more than or equal to a third preset time; the maximum available torque of a power system of the vehicle is larger than a preset torque threshold value, and the maximum available power of the power system is larger than a preset power threshold value; moreover, the power system has no fault of a preset type; the speed of the vehicle is less than a preset speed threshold; the brake pedal of the vehicle is stepped on, and the braking force is greater than a preset braking force threshold value; and the vehicle is in a preset gear; and, the depth of the accelerator pedal of the vehicle is greater than a preset depth threshold; and, the driving mode of the vehicle is in a set driving mode; and the turning angle of the steering wheel of the vehicle is smaller than a preset angle threshold value.
In some embodiments, the control method for the vehicle launch start further comprises: and when the vehicle is confirmed to meet the condition of exiting the catapult starting preparation mode, controlling the vehicle to exit the catapult starting preparation mode.
In some embodiments, the condition for exiting the launch ready mode includes: the vehicle is not in a state of waiting to run; or the time for the vehicle to enter the launch starting preparation mode is greater than or equal to a fourth preset time; or the maximum available torque of the power system of the vehicle is less than or equal to a preset torque threshold value, and the maximum available power of the power system is less than or equal to a preset power threshold value; or, the power system of the vehicle has a preset type of fault; or the vehicle speed of the vehicle is greater than or equal to a preset speed threshold value; or the vehicle is not in a preset gear; or the depth of an accelerator pedal of the vehicle is less than or equal to a preset depth threshold value; or the driving mode of the vehicle is not in a set driving mode; or the brake pedal of the vehicle is not pressed down, and the braking force is smaller than the preset braking force threshold value.
In some embodiments, the control method for the vehicle launch start further comprises: and when the vehicle is confirmed to meet the condition of exiting the launch starting mode, controlling the vehicle to exit the launch starting mode.
In some embodiments, the condition for exiting the launch ready mode includes: the vehicle is not in a state of waiting to run; or, the power system of the vehicle has a preset type of fault; or the vehicle speed of the vehicle is greater than or equal to a preset speed threshold value; or the vehicle is not in a preset gear; or the depth of the vehicle accelerator pedal is less than or equal to a preset depth threshold value; alternatively, the driving mode of the vehicle is not in a set driving mode.
In some embodiments, the condition for entering the launch start mode includes: the vehicle has entered the launch preparation mode and a brake pedal of the vehicle is not depressed and a braking force is less than a preset braking force threshold.
In some embodiments, after the vehicle exits the launch preparation mode, further comprising: turning off the torque oscillation randomizer.
In some embodiments, after activating the torque shock randomizer of the vehicle, further comprising: and sending out a prompt message that the torque oscillation random generator is activated.
In order to achieve the above object, an embodiment of a second aspect of the present invention proposes a control device for vehicle launch start, the device including: the first judgment module is used for judging whether the vehicle meets the condition of entering a launch start preparation mode or not when receiving a launch start instruction; the activation module is used for controlling the vehicle to enter a launch starting preparation mode when the vehicle meets the condition of entering the launch starting preparation mode so as to activate a torque oscillation random generator of the vehicle, and the torque oscillation random generator randomly outputs a plurality of oscillation torques with random duration within a preset torque range; the second judgment module is used for judging whether the vehicle meets the condition of entering the launch starting mode; and the control module is used for controlling the vehicle to enter the launch starting mode when the vehicle meets the condition of entering the launch starting mode so as to control a power system of the vehicle to operate at the current maximum output torque.
According to the control device for the vehicle launch starting, disclosed by the embodiment of the invention, when the launch instruction is received, whether the vehicle meets the condition of entering the launch starting preparation mode is judged, and when the condition that the vehicle meets the condition of entering the launch starting preparation mode is determined, the vehicle is controlled to enter the launch starting preparation mode, and the torque oscillation random generator of the vehicle is activated to randomly generate oscillation torque, so that the vehicle is endowed with strong individuality, therefore, the vehicle has richer performance in the launch starting preparation stage, the communication between a driver and the vehicle is enhanced, and the user experience is improved while the driving pleasure is improved.
To achieve the above object, an embodiment of a third aspect of the invention proposes a vehicle including: the control device for the vehicle launch start according to the embodiment; or, a processor, a memory, and a control program for vehicle launch start stored in the memory and operable on the processor, where the control program for vehicle launch start, when executed by the processor, implements the control method for vehicle launch start according to the above embodiment.
According to the vehicle provided by the embodiment of the invention, when an ejection instruction is received, whether the vehicle meets the condition of entering the ejection starting preparation mode is judged, and when the condition of entering the ejection starting preparation mode is determined, the vehicle is controlled to enter the ejection starting preparation mode, and the torque oscillation random generator of the vehicle is activated to randomly generate oscillation torque, so that the vehicle is endowed with strong individuality, and therefore, the vehicle has richer performance in the ejection starting preparation stage, the communication between a driver and the vehicle is enhanced, and the user experience is improved while the driving pleasure is improved.
In order to achieve the above object, an embodiment of a fourth aspect of the present invention provides a computer-readable storage medium, on which a control program for vehicle launch start is stored, and the control program for vehicle launch start, when executed by a processor, implements the control method for vehicle launch start according to the above embodiment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of a control method for a vehicle launch start according to one embodiment of the invention;
FIG. 2 is a schematic diagram of the operation of a torque oscillation randomizer according to one embodiment of the present invention;
fig. 3 is a block diagram of a control device for vehicle launch start according to one embodiment of the invention.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
A method for controlling a vehicle launch start according to an embodiment of the present invention will be described below.
Referring to fig. 1 and 2, a control method for vehicle launch start according to an embodiment of the invention is described, and as shown in fig. 1, the control method for vehicle launch start according to the embodiment of the invention at least comprises steps S1-S4.
And step S1, receiving the launch start command, and judging whether the vehicle meets the condition of entering a launch start preparation mode.
In the embodiment, when a user has a launch start demand, a launch start instruction command is sent out, and after the vehicle receives the launch start instruction, the current state of the vehicle is judged. Specifically, the user may issue a launch command by activating a special button or switch disposed within the vehicle. Alternatively, the launch command may be issued by inputting a specific voice message.
Specifically, after receiving the launch start instruction, in response to the launch start instruction, determining whether the vehicle meets a condition for entering a launch start preparation mode, for example, determining a current running state of the vehicle, a time since the vehicle left the launch start preparation mode last time, a time since the vehicle left the launch start mode last time, a maximum available torque of a power system of the vehicle, a maximum available power of the power system, a non-existence of a preset type of fault in the power system, a vehicle speed of the vehicle, a state of a brake pedal of the vehicle, a gear position of the vehicle, a depth of an accelerator pedal of the vehicle, a driving mode where the vehicle is located, and a rotation angle of a steering wheel of the vehicle.
And step S2, if yes, controlling the vehicle to enter a launch starting preparation mode so as to activate a torque oscillation random generator of the vehicle, wherein the torque oscillation random generator randomly outputs a plurality of oscillation torques with random duration within a preset torque range.
In an embodiment, the torque shock randomizer may be integrally disposed in a VCU (vehicle control Unit), and if the vehicle meets a condition of entering the launch start preparation mode, the launch start preparation mode of the vehicle is considered to be activated, at this time, the vehicle is controlled to enter the launch start preparation mode, and the torque shock randomizer of the vehicle is activated to randomly generate a shock torque, so as to give the vehicle strong personality, so that the vehicle has richer performance in the launch start preparation phase, communication between a driver and the vehicle is enhanced, and while driving pleasure is improved, user experience is improved.
For example, as shown in fig. 2, a schematic diagram of a torque oscillation random generator according to an embodiment of the present invention is shown. After the torque oscillation random generator of the vehicle is activated, the output torque generated by the torque oscillation random generator is controlled to randomly output a plurality of oscillation torques with random duration within a preset torque range, for example, the torque oscillation random generator is controlled to randomly output a plurality of oscillation torques with random duration within the torque range of the maximum torque value and the minimum torque value, so that the vehicle can be endowed with strong individuality, the communication between a user and the vehicle is enhanced, and the driving pleasure is further improved. As can be seen from fig. 2, the maximum torque value is denoted by Tq _ Max, the minimum torque value is denoted by Tq _ Min, and the torque oscillation randomizer is controlled to randomly output oscillation torques with random durations within a preset range, that is, the torque oscillation randomizer is controlled to randomly output oscillation torques with random durations within the torque ranges of Tq _ Max and Tq _ Min.
Step S3 is to determine whether the vehicle satisfies the condition for entering the launch start mode.
In the embodiment, after the vehicle is determined to enter the launch start preparation mode, the state and the braking force of a brake pedal of the vehicle are judged, and the launch state of the vehicle is judged according to the state and the braking force of the brake pedal, so that whether the vehicle meets the conditions of the launch start mode is conveniently determined.
And step S4, if the vehicle meets the condition of entering the launch starting mode, controlling the vehicle to enter the launch starting mode so as to control the power system of the vehicle to operate at the current maximum output torque.
In an embodiment, the control of the powertrain of the vehicle to operate at the current maximum output torque is performed at the moment of starting of the vehicle to operate at the maximum output torque to achieve acceleration of the vehicle. It will be appreciated that when the vehicle is a pure electric vehicle, the powertrain is an electric machine, i.e. the electric machine is controlled to operate at maximum output torque. When the vehicle is a fuel-powered vehicle, the power system is an engine, namely the engine is controlled to operate at the maximum output torque. When the vehicle is a hybrid vehicle, the power system is an engine and a motor, namely the engine and the motor are controlled to be matched with each other to operate at the maximum output torque.
Specifically, after the condition that the vehicle meets the condition of entering the launch starting mode is determined, the vehicle is controlled to enter the launch starting mode so as to control a power system of the vehicle to operate at the current maximum output torque, and therefore launch starting of the vehicle is achieved.
According to the control method for the vehicle launch starting, provided by the embodiment of the invention, when the launch instruction is received, whether the vehicle meets the condition of entering the launch starting preparation mode is judged, when the condition that the vehicle meets the condition of entering the launch starting preparation mode is determined, the vehicle is controlled to enter the launch starting preparation mode, and the torque oscillation random generator of the vehicle is activated to randomly generate oscillation torque, so that the vehicle is endowed with strong individuality, the vehicle has richer performance in the launch starting preparation stage, the communication between a driver and the vehicle is enhanced, and the user experience is improved while the driving pleasure is improved.
In some embodiments, the torque oscillation randomizer randomly outputs a plurality of oscillation torques with random durations within a preset torque range, including: the method comprises the steps of obtaining the residual electric quantity of a vehicle battery system, and controlling a torque oscillation random generator to randomly output a plurality of oscillation torques with random duration within the torque range of oscillation maximum torque and oscillation minimum torque, wherein when the residual electric quantity is smaller than the preset electric quantity, the oscillation maximum torque and the oscillation minimum torque are respectively smaller than the preset oscillation maximum torque and the preset oscillation minimum torque corresponding to the preset electric quantity. Specifically, when a plurality of oscillation torques with random duration are output by the torque oscillation random generator, the residual capacity of the vehicle battery system needs to be acquired, when the residual capacity of the vehicle battery system is lower than the preset capacity, the battery capacity of the vehicle battery system is considered to be lower, at the moment, the torque oscillation random generator is controlled to randomly output a plurality of oscillation torques with random duration in the torque range of oscillation maximum torque and oscillation minimum torque, and the electric quantity of the vehicle battery system is lower by reminding a driver of vibration feeling.
In some embodiments, the launch preparation mode is divided into at least one time phase, and the oscillation frequency is different in different time phases. It is understood that the launch preparation mode may be divided into at least one time period, for example two or three time periods, and the oscillation frequency of the torque oscillation random generator outputting the oscillation torque is different in different time periods.
In some embodiments, the launch preparation mode is divided into at least one time phase, and the concussion maximum torque and the concussion minimum torque are different in different time phases. Specifically, the launch start preparation mode may be divided into at least one time phase, and in different time phases, the maximum oscillation torque and the minimum oscillation torque output by the torque oscillation random generator are different, as can be seen from fig. 2, in different time phases, for example, when the launch start preparation mode is just entered, the corresponding maximum oscillation torque is torque value 1, and the corresponding minimum oscillation torque is torque value 2; after entering the launch start preparation mode for a period of time, the maximum torque of oscillation corresponding to the launch start preparation mode is a torque value 2, and the minimum torque of oscillation corresponding to the launch start preparation mode is a torque value 3.
In some embodiments, after the torque oscillation randomizer randomly outputs a plurality of oscillation torques with random durations within the preset torque range, the method further comprises: after the first preset time, the torque oscillation random generator is controlled to continuously output a target oscillation torque, wherein the target oscillation torque is an average value of a plurality of oscillation torques.
For example, as shown in fig. 2, after the torque oscillation randomizer outputs the oscillation torque for a first preset time, for example, 4S, the torque oscillation randomizer is controlled to continuously output the target oscillation torque and keep the target oscillation torque unchanged, so that the vehicle can smoothly enter the launch start stage. The target oscillation torque is denoted by Tq — Ave, for example.
In some embodiments, the conditions for entering the launch preparation mode include: the vehicle is in a state of waiting to run; and the time from the last time that the vehicle exits the catapult starting preparation mode is more than or equal to a second preset time; and the time from the last time that the vehicle exits the launch starting mode is greater than or equal to a third preset time; the maximum available torque of a power system of the vehicle is larger than a preset torque threshold value, and the maximum available power of the power system is larger than a preset power threshold value; moreover, the power system has no fault of a preset type; the speed of the vehicle is less than a preset speed threshold; the brake pedal of the vehicle is stepped on, and the braking force is greater than a preset braking force threshold value; moreover, the vehicle is in a preset gear; the depth of an accelerator pedal of the vehicle is greater than a preset depth threshold value; and, the driving mode of the vehicle is in the set driving mode; and the turning angle of the steering wheel of the vehicle is smaller than a preset angle threshold.
In an embodiment, it is determined whether the vehicle meets the condition of the launch start preparation mode, that is, whether the running state of the vehicle is in a waiting running state, and whether the time from the last time the vehicle exits the launch start preparation mode is greater than or equal to a second preset time, for example, whether the time from the last time the vehicle exits the launch start preparation mode is greater than or equal to 10 seconds; judging whether the time that the vehicle exits the launch starting mode last time is greater than or equal to a third preset time, for example, judging whether the time that the vehicle exits the launch starting mode last time is greater than or equal to 10 seconds, wherein the time that the vehicle exits the launch starting preparation mode last time and the time that the vehicle exits the launch starting mode last time can be calibrated according to actual conditions; judging whether the maximum available torque of a power system of the vehicle is greater than a preset torque threshold value, and whether the maximum available power of the power system is greater than a preset power threshold value, wherein the preset torque threshold value is recorded as Ta for example, and the preset power threshold value is recorded as Pa for example; judging whether the power system has a fault of a preset type, for example, judging whether the power system has a fault which affects the power output capability; judging whether the vehicle speed of the vehicle is less than a preset speed threshold value, for example, judging whether the vehicle speed value of the vehicle is less than 100 Kph; judging whether a brake pedal of the vehicle is stepped on and whether the braking force is greater than a preset braking force threshold value; judging whether the vehicle is in a preset gear, for example, whether the vehicle gear is in a forward gear; judging whether the depth of an accelerator pedal of the vehicle is greater than a preset depth threshold value or not, and judging whether the driving mode of the vehicle is in a set driving mode, such as a motion mode or a motion attribute mode; and judging whether the turning angle of the steering wheel of the vehicle is smaller than a preset angle threshold value, if the conditions are met, determining that the vehicle meets the conditions for entering a launch starting preparation mode, and controlling the vehicle to enter the launch starting preparation mode. The conditions for the vehicle to enter the launch starting preparation mode are judged by setting a plurality of conditions, so that the vehicle is prevented from entering the launch starting preparation mode by mistake, and the accuracy for the vehicle to enter the launch starting preparation mode is improved.
In some embodiments, the control method for the vehicle launch start further comprises: and when the condition that the vehicle is quitted from the catapult starting preparation mode is confirmed, controlling the vehicle to quit the catapult starting preparation mode.
In the embodiment, the running state of the vehicle is controlled by judging whether the vehicle meets the condition of exiting the catapult starting preparation mode, and the vehicle is controlled to exit the catapult starting preparation mode when the condition that the vehicle meets the condition of exiting the catapult starting preparation mode is determined.
In some embodiments, the condition for exiting the launch ready mode includes: the vehicle is not in a state of waiting to run; or the time for the vehicle to enter the launch starting preparation mode is greater than or equal to the fourth preset time; or the maximum available torque of the power system of the vehicle is less than or equal to a preset torque threshold value, and the maximum available power of the power system is less than or equal to a preset power threshold value; or, a preset type of fault exists in the power system of the vehicle; or the speed of the vehicle is greater than or equal to a preset speed threshold; or the vehicle is not in a preset gear; or the depth of an accelerator pedal of the vehicle is less than or equal to a preset depth threshold; or the driving mode of the vehicle is not in the set driving mode; alternatively, the brake pedal of the vehicle is not depressed and the braking force is less than the preset braking force threshold.
In the embodiment, when determining whether the vehicle meets the launch start preparation mode, it is necessary to determine whether the vehicle is in a state to be driven, or whether the time for the vehicle to enter the launch start preparation mode is greater than or equal to a fourth preset time, for example, whether the time for the vehicle to enter the launch start preparation mode is greater than or equal to 10 seconds; or, judging whether the maximum available torque of the power system of the vehicle is smaller than or equal to a preset torque threshold Ta and the maximum available power of the power system is smaller than or equal to a preset power threshold Pa, or judging whether the power system of the vehicle has a preset type of fault, or judging whether the speed of the vehicle is greater than or equal to a preset speed threshold 100kph, or judging whether the vehicle is not in a preset gear, for example, whether the vehicle is not in a forward gear; or, judging whether the depth of an accelerator pedal of the vehicle is less than or equal to a preset depth threshold value, for example, less than or equal to a preset depth threshold value Aa; or, it is determined whether the driving mode of the vehicle is not in the set driving mode, or whether the brake pedal of the vehicle is not pressed and the braking force is smaller than the preset braking force threshold Ba, it can be understood that the preset time, the preset torque threshold, the preset depth threshold and the preset braking force threshold can be calibrated according to the actual situation, and if one or more of the above conditions are met, the vehicle is considered to meet the condition of exiting the launch start preparation mode. The conditions for the vehicle to exit the catapult starting preparation mode are judged by setting a plurality of conditions, so that the accuracy for the vehicle to exit the catapult starting preparation mode is improved.
In some embodiments, the control method for the vehicle launch start further comprises: and when the condition that the vehicle is exited from the launch starting mode is confirmed, controlling the vehicle to exit from the launch starting mode.
In some embodiments, the conditions for exiting the launch preparation mode include: the vehicle is not in a state of waiting to run; or, a preset type of fault exists in the power system of the vehicle; or the speed of the vehicle is greater than or equal to a preset speed threshold; or the vehicle is not in a preset gear; or the depth of the vehicle accelerator pedal is less than or equal to a preset depth threshold value; alternatively, the driving mode of the vehicle is not in the set driving mode.
For example, whether the vehicle is in a standby running state or not is judged, whether a preset type of fault exists in a power system of the vehicle or not is judged, whether the speed of the vehicle is greater than or equal to a preset speed threshold or not is judged, whether the vehicle is not in a preset gear or not is judged, whether the depth of an accelerator pedal of the vehicle is smaller than or equal to a preset depth threshold or not is judged, whether a driving mode of the vehicle is not in a set driving state or not is judged, and if any one of the conditions is met, the vehicle is controlled to exit an ejection starting mode.
In some embodiments, the conditions for entering the launch mode include: the vehicle has entered a launch preparation mode and the brake pedal of the vehicle is not depressed and the braking force is less than the preset braking force threshold. Specifically, after the vehicle is determined to enter the launch start preparation mode, the state of a brake pedal and the braking force of the vehicle are detected, and if the brake pedal of the vehicle is not stepped on and the braking force is smaller than a preset braking force threshold value, the vehicle is controlled to enter the launch start mode.
In some embodiments, after the vehicle exits the launch preparation mode, the method further comprises: the torque oscillation randomizer is turned off. It can be understood that after the vehicle exits the launch start preparation mode, the torque shock random generator is controlled to be turned off, so that the vehicle normally enters the launch start mode.
In some embodiments, after activating the torque shock randomizer of the vehicle, further comprising: and sending out a prompt message of the activated torque oscillation random generator. Specifically, after the launch preparation mode is activated, the meter pops up a display window or pop-up icon to alert the driver that the torque randomizer has been activated.
According to the control method for the vehicle launch starting, provided by the embodiment of the invention, when the launch instruction is received, whether the vehicle meets the condition of entering the launch starting preparation mode is judged, when the condition that the vehicle meets the condition of entering the launch starting preparation mode is determined, the vehicle is controlled to enter the launch starting preparation mode, and the torque oscillation random generator of the vehicle is activated to randomly generate oscillation torque, so that the vehicle is endowed with strong individuality, the vehicle has richer performance in the launch starting preparation stage, the communication between a driver and the vehicle is enhanced, and the user experience is improved while the driving pleasure is improved.
The following describes a control device for vehicle launch start according to an embodiment of the present invention with reference to the drawings.
As shown in fig. 3, a control device 2 for vehicle launch start according to an embodiment of the present invention includes: the vehicle control system comprises a first judgment module 20, an activation module 21, a second judgment module 22 and a control module 23, wherein the first judgment module 20 is used for judging whether a vehicle meets the condition of entering a launch start preparation mode when receiving a launch start instruction; the activation module 21 is configured to control the vehicle to enter a launch start preparation mode when the vehicle meets a condition of entering the launch start preparation mode, so as to activate a torque oscillation random generator of the vehicle, where the torque oscillation random generator randomly outputs a plurality of oscillation torques with random duration within a preset torque range; the second judging module 22 is used for judging whether the vehicle meets the condition of entering the launch starting mode; the control module 23 is configured to control the vehicle to enter the launch start mode when the vehicle meets a condition for entering the launch start mode, so as to control a power system of the vehicle to operate at a current maximum output torque.
According to the control device 2 for the vehicle launch start provided by the embodiment of the invention, when the launch instruction is received, whether the vehicle meets the condition of entering the launch start preparation mode is judged, when the condition that the vehicle meets the condition of entering the launch start preparation mode is determined, the vehicle is controlled to enter the launch start preparation mode, and the torque oscillation random generator of the vehicle is activated to randomly generate oscillation torque and endow the vehicle with strong individuality, so that the vehicle has richer performance in the launch start preparation stage, the communication between a driver and the vehicle is enhanced, and the user experience is improved while the driving pleasure is improved.
In some embodiments, the activation module 21 is specifically configured to obtain a remaining power amount of the vehicle battery system, and control the torque oscillation random generator to randomly output a plurality of oscillation torques with random durations within a torque range of an oscillation maximum torque and an oscillation minimum torque, where when the remaining power amount is less than a preset power amount, the oscillation maximum torque and the oscillation minimum torque are respectively less than a preset oscillation maximum torque and a preset oscillation minimum torque corresponding to the preset power amount.
In some embodiments, the launch preparation mode is divided into at least one time phase, and the oscillation frequency is different in different time phases.
In some embodiments, the launch preparation mode is divided into at least one time phase, and the concussion maximum torque and the concussion minimum torque are different in different time phases.
In some embodiments, the activation module 21 is further configured to, after the first preset time, continuously output the target oscillation torque by the torque oscillation randomizer, where the target oscillation torque is an average value of the plurality of oscillation torques.
In some embodiments, the conditions for entering the launch preparation mode include: the vehicle is in a state of waiting to run; the time from the last time that the vehicle exits the launch starting preparation mode is longer than or equal to a second preset time; and the time from the last time that the vehicle exits the launch starting mode is greater than or equal to a third preset time; the maximum available torque of a power system of the vehicle is larger than a preset torque threshold value, and the maximum available power of the power system is larger than a preset power threshold value; moreover, the power system has no fault of a preset type; the speed of the vehicle is less than a preset speed threshold value; the brake pedal of the vehicle is stepped on, and the braking force is greater than a preset braking force threshold value; moreover, the vehicle is in a preset gear; the depth of an accelerator pedal of the vehicle is greater than a preset depth threshold value; the driving mode of the vehicle is in a set driving mode; and the turning angle of the steering wheel of the vehicle is smaller than a preset angle threshold value.
In some embodiments, the control device 2 for vehicle launch is further configured to control the vehicle to exit the launch preparation mode when the vehicle is confirmed to meet the condition for exiting the launch preparation mode.
In some embodiments, the condition for exiting the launch ready mode includes: the vehicle is not in a state of waiting to run; or the time for the vehicle to enter the launch starting preparation mode is greater than or equal to the fourth preset time; or the maximum available torque of the power system of the vehicle is less than or equal to a preset torque threshold value, and the maximum available power of the power system is less than or equal to a preset power threshold value; or, a preset type of fault exists in the power system of the vehicle; or the speed of the vehicle is greater than or equal to a preset speed threshold; or the vehicle is not in a preset gear; or the depth of an accelerator pedal of the vehicle is less than or equal to a preset depth threshold value; or the driving mode of the vehicle is not in the set driving mode; alternatively, the brake pedal of the vehicle is not depressed and the braking force is less than the preset braking force threshold.
In some embodiments, the control device 2 for vehicle launch start is further configured to control the vehicle to exit the launch start mode when the vehicle is confirmed to meet the condition for exiting the launch start mode.
In some embodiments, the condition for exiting the launch ready mode includes: the vehicle is not in a state of waiting to run; or, a preset type of fault exists in the power system of the vehicle; or the speed of the vehicle is greater than or equal to a preset speed threshold; or the vehicle is not in a preset gear; or the depth of the vehicle accelerator pedal is less than or equal to a preset depth threshold value; alternatively, the driving mode of the vehicle is not in the set driving mode.
In some embodiments, the conditions for entering the launch mode include: the vehicle has entered the launch preparation mode and the brake pedal of the vehicle is not depressed and the braking force is less than a preset braking force threshold.
In some embodiments, the torque shock randomizer is turned off after the vehicle exits launch preparation mode.
In some embodiments, the activation module 21 is further configured to send a notification that the torque shock randomizer is activated.
A vehicle of an embodiment of the invention is described below.
The vehicle of the embodiment of the invention includes: the control device for the vehicle launch start according to the above embodiment; alternatively, the control method for vehicle launch start according to the above embodiment is implemented by a processor, a memory, and a control program for vehicle launch start stored in the memory and operable on the processor, when the control program for vehicle launch start is executed by the processor.
According to the vehicle provided by the embodiment of the invention, when an ejection instruction is received, whether the vehicle meets the condition of entering the ejection starting preparation mode is judged, and when the condition of entering the ejection starting preparation mode is determined, the vehicle is controlled to enter the ejection starting preparation mode, and the torque oscillation random generator of the vehicle is activated to randomly generate oscillation torque, so that the vehicle is endowed with strong individuality, and therefore, the vehicle has richer performance in the ejection starting preparation stage, the communication between a driver and the vehicle is enhanced, and the user experience is improved while the driving pleasure is improved.
In order to achieve the above object, an embodiment of a fourth aspect of the present invention provides a computer-readable storage medium, on which a control program for vehicle launch start is stored, and the control program for vehicle launch start, when executed by a processor, implements the control method for vehicle launch start according to the above embodiment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (15)
1. A control method for vehicle launch start is characterized by comprising the following steps:
receiving a launch start instruction, and judging whether the vehicle meets the condition of entering a launch start preparation mode;
if so, controlling the vehicle to enter the launch starting preparation mode so as to activate a torque oscillation random generator of the vehicle, wherein the torque oscillation random generator randomly outputs a plurality of oscillation torques with random duration within a preset torque range;
judging whether the vehicle meets the condition of entering a launch starting mode or not;
and if the vehicle meets the condition of entering the launch starting mode, controlling the vehicle to enter the launch starting mode so as to control a power system of the vehicle to operate at the current maximum output torque.
2. The control method for launch start of vehicle according to claim 1, wherein said torque shock randomizer randomly outputs a plurality of shock torques with random durations within a preset torque range, comprising:
the method comprises the steps of obtaining the residual electric quantity of a vehicle battery system, and controlling a torque oscillation random generator to randomly output a plurality of oscillation torques with random duration within the torque range of oscillation maximum torque and oscillation minimum torque, wherein when the residual electric quantity is smaller than a preset electric quantity, the oscillation maximum torque and the oscillation minimum torque are respectively smaller than preset oscillation maximum torque and preset oscillation minimum torque corresponding to the preset electric quantity.
3. The control method for vehicle launch initiation according to claim 1 or 2, characterised in that the launch initiation preparation mode is divided into at least one time phase, and the oscillation frequency is different in the different time phases.
4. The control method for vehicle launch start according to claim 2, characterized in that the launch start preparation mode is divided into at least one time phase, and the concussion maximum torque and the concussion minimum torque are different in the different time phases.
5. The method for controlling launch start of a vehicle according to claim 1, wherein after the torque shock randomizer randomly outputs a plurality of shock torques with random durations within a preset torque range, the method further comprises:
after a first preset time, controlling the torque oscillation random generator to continuously output a target oscillation torque, wherein the target oscillation torque is an average value of a plurality of oscillation torques.
6. The control method for vehicle launch start according to claim 1, wherein the condition for entering the launch start preparation mode includes:
the vehicle is in a state of waiting to run; and the number of the first and second electrodes,
the time from the last time that the vehicle exits the catapult starting preparation mode is longer than or equal to a second preset time; and the number of the first and second groups is,
the time from the last time that the vehicle exits the launch starting mode is greater than or equal to a third preset time; and the number of the first and second electrodes,
the maximum available torque of a power system of the vehicle is larger than a preset torque threshold value, and the maximum available power of the power system is larger than a preset power threshold value; and the number of the first and second electrodes,
the power system has no fault of a preset type; and the number of the first and second electrodes,
the speed of the vehicle is less than a preset speed threshold; and the number of the first and second electrodes,
the brake pedal of the vehicle is stepped on, and the braking force is greater than a preset braking force threshold value; and the number of the first and second groups is,
the vehicle is in a preset gear; and the number of the first and second electrodes,
the depth of an accelerator pedal of the vehicle is greater than a preset depth threshold; and the number of the first and second electrodes,
the driving mode of the vehicle is in a set driving mode; and the number of the first and second electrodes,
the turning angle of the steering wheel of the vehicle is smaller than a preset angle threshold value.
7. The control method for launch start of a vehicle according to claim 1, further comprising:
and when the vehicle is confirmed to meet the condition of exiting the catapult starting preparation mode, controlling the vehicle to exit the catapult starting preparation mode.
8. The control method for vehicle launch start according to claim 7, wherein the condition for exiting the launch start preparation mode includes:
the vehicle is not in a state of waiting to run; or,
the time for the vehicle to enter the launch starting preparation mode is greater than or equal to fourth preset time; or,
the maximum available torque of a power system of the vehicle is less than or equal to a preset torque threshold value, and the maximum available power of the power system is less than or equal to a preset power threshold value; or,
a preset type of fault exists in a power system of the vehicle; or,
the speed of the vehicle is greater than or equal to a preset speed threshold; or,
the vehicle is not in a preset gear; or,
the depth of an accelerator pedal of the vehicle is less than or equal to a preset depth threshold; or,
the driving mode of the vehicle is not in a set driving mode; or,
the brake pedal of the vehicle is not stepped on, and the braking force is smaller than a preset braking force threshold value.
9. The control method for launch start of a vehicle according to claim 1, further comprising:
and when the vehicle is confirmed to meet the condition of exiting the launch starting mode, controlling the vehicle to exit the launch starting mode.
10. The control method for vehicle launch start according to claim 9, wherein the condition for exiting the launch start preparation mode includes:
the vehicle is not in a state of waiting to run; or,
a preset type of fault exists in a power system of the vehicle; or,
the speed of the vehicle is greater than or equal to a preset speed threshold; or,
the vehicle is not in a preset gear; or,
the depth of the vehicle accelerator pedal is less than or equal to a preset depth threshold value; or,
the driving mode of the vehicle is not in a set driving mode.
11. The vehicle launch control method according to claim 1, characterized in that the condition for entering the launch mode includes:
the vehicle has entered the launch preparation mode and a brake pedal of the vehicle is not depressed and a braking force is less than a preset braking force threshold.
12. The method for controlling launch initiation of a vehicle according to claim 1, further comprising, after activating the torque shock randomizer of said vehicle:
and sending out a prompt message that the torque oscillation random generator is activated.
13. A control device for a vehicle launch start, comprising:
the first judgment module is used for judging whether the vehicle meets the condition of entering a launch start preparation mode or not when receiving a launch start instruction;
the activation module is used for controlling the vehicle to enter a launch start preparation mode when the vehicle meets the condition of entering the launch start preparation mode so as to activate a torque shock random generator of the vehicle, wherein the torque shock random generator randomly outputs a plurality of shock torques with random duration within a preset torque range;
the second judgment module is used for judging whether the vehicle meets the condition of entering the launch starting mode or not;
and the control module is used for controlling the vehicle to enter the launch starting mode when the vehicle meets the condition of entering the launch starting mode so as to control a power system of the vehicle to operate at the current maximum output torque.
14. A vehicle, characterized by comprising:
the control device for launch start of vehicle according to claim 13; or,
a processor, a memory and a vehicle launch control program stored on and executable on the memory, which when executed by the processor implements the vehicle launch control method according to any one of claims 1 to 12.
15. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a control program for vehicle launch start, which when executed by a processor implements the control method for vehicle launch start according to any one of claims 1 to 12.
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| CN202111348861.5A CN115056777A (en) | 2021-11-15 | 2021-11-15 | Control method and device for vehicle launch starting, vehicle and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402118A (en) * | 2022-10-18 | 2022-11-29 | 阿维塔科技(重庆)有限公司 | Starting control method and device for electric automobile |
| CN116749788A (en) * | 2023-06-27 | 2023-09-15 | 广州汽车集团股份有限公司 | Ejection control method and device, electronic equipment and storage medium |
-
2021
- 2021-11-15 CN CN202111348861.5A patent/CN115056777A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402118A (en) * | 2022-10-18 | 2022-11-29 | 阿维塔科技(重庆)有限公司 | Starting control method and device for electric automobile |
| CN116749788A (en) * | 2023-06-27 | 2023-09-15 | 广州汽车集团股份有限公司 | Ejection control method and device, electronic equipment and storage medium |
| CN116749788B (en) * | 2023-06-27 | 2024-04-05 | 广州汽车集团股份有限公司 | Ejection control method and device, electronic equipment and storage medium |
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