CN108082007B - Vehicle operation condition switching method and device and automobile - Google Patents

Vehicle operation condition switching method and device and automobile Download PDF

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Publication number
CN108082007B
CN108082007B CN201711227858.1A CN201711227858A CN108082007B CN 108082007 B CN108082007 B CN 108082007B CN 201711227858 A CN201711227858 A CN 201711227858A CN 108082007 B CN108082007 B CN 108082007B
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opening degree
fault
state
condition
working condition
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CN108082007A (en
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李玮
刘超
代康伟
范江楠
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Beijing Electric Vehicle Co Ltd
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Beijing Electric Vehicle Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/48—Drive Train control parameters related to transmissions
    • B60L2240/486—Operating parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2250/00—Driver interactions
    • B60L2250/26—Driver interactions by pedal actuation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/26—Transition between different drive modes
    • 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
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Transmission Device (AREA)

Abstract

The invention provides a method and a device for switching vehicle running conditions and an automobile, wherein the method for switching the vehicle running conditions comprises the following steps: when a working condition switching instruction is received, the current operating working condition of the vehicle and the current operating parameters of the vehicle are obtained, wherein the current operating parameters comprise: the running gear, the fault state, the opening degree of a brake pedal, the opening degree of an accelerator pedal and the rotating speed of a motor; determining a target operation condition needing to be switched currently according to a corresponding relation between at least one prestored operation condition and the operation parameters of the vehicle; judging whether the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same working condition type or not; and if the current operating condition is the same type of operating condition, switching the operating conditions of the vehicle according to the driving state corresponding to the current operating condition and the driving state corresponding to the target operating condition. The invention ensures the driving smoothness in the switching process of the vehicle running condition and improves the driving feeling of the driver.

Description

Vehicle operation condition switching method and device and automobile
Technical Field
The invention relates to the field of vehicle control, in particular to a method and a device for switching vehicle running conditions and a vehicle.
Background
In the face of increasingly severe energy and environmental problems, energy-saving and new energy automobiles are becoming hot spots for research in various countries. In China, energy-saving and new energy automobiles are highly valued by governments and industries and are considered as one of strategic emerging industries. The development of energy-saving and new energy automobiles, particularly pure electric automobiles with zero pollution and zero emission, has great significance for energy safety and environmental protection in China, is an important direction for realizing transformation upgrading and technical breakthrough in the automobile field in China, and is a trend for future development of the automobile field.
The pure electric vehicle has the advantages of no exhaust emission, high energy efficiency, low noise, energy recycling and the like in the running process, and the problems of traffic energy consumption and environmental pollution in China can be effectively solved by vigorously developing the pure electric vehicle. The pure electric automobile drives wheels through a motor to realize vehicle running, in the running process, the driving intention of a driver is judged through a series of vehicle state information such as opening degree of an accelerator pedal, gears and the like, the driving intention is converted into the required torque of a driving motor, the required torque is subjected to processing such as smoothing, limiting and the like to obtain a torque command, and then a motor controller controls the motor according to a certain algorithm, so that the driving motor outputs according to the torque command, and finally the vehicle runs. According to the steps described above, it can be seen that obtaining the driving intention of the driver through the information fed back by each system of the vehicle is a precondition and a basis for controlling the vehicle and realizing each function. In fact, when a driver drives a vehicle, the whole vehicle is continuously switched under various working conditions, and the whole driving process is finally summarized through different driving working conditions changed at different stages. For example, in a single driving process, the vehicle may experience working conditions such as reversing, advancing, idling, parking, energy recovery and the like in sequence, and it is the above working conditions that construct a real driving process. Different control methods are required to correspond to different driving conditions, and the premise that the vehicle is controlled is to determine the current driving state of the vehicle, namely the vehicle working conditions, and adopt different control methods according to different driving conditions on the basis, so that the effective realization of various functions of the vehicle is ensured.
The detection and switching control of the vehicle state are the basis for realizing the basic functions of the vehicle, and meanwhile, a set of reasonable vehicle operation condition switching method is also the guarantee for the efficient operation of the vehicle and the improvement of the driving feeling of a driver, so that the importance of the detection and control of the vehicle state can be seen.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a method and a device for switching the running conditions of a vehicle and the vehicle, so as to ensure the driving smoothness in the process of switching the working conditions of the vehicle and improve the driving feeling of a driver.
In order to solve the technical problem, the method for switching the operating conditions of the vehicle provided by the embodiment of the invention comprises the following steps:
when a working condition switching instruction is received, the current operating working condition of the vehicle and the current operating parameters of the vehicle are obtained, wherein the current operating parameters comprise: the running gear, the fault state, the opening degree of a brake pedal, the opening degree of an accelerator pedal and the rotating speed of a motor;
determining a target operation condition needing to be switched currently according to a corresponding relation between at least one prestored operation condition and the operation parameters of the vehicle;
judging whether the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same working condition type or not;
and if the current operating condition is the same as the target operating condition, switching the operating conditions of the vehicle according to the driving state corresponding to the current operating condition and the driving state corresponding to the target operating condition.
Preferably, the step of judging whether the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same working condition type includes:
determining the working condition types respectively corresponding to the current operating working condition and the target operating working condition according to the preset corresponding relationship between different operating working conditions and the fault corresponding to each operating working condition;
and when the working condition types respectively corresponding to the current operating working condition and the target operating working condition are the same, determining that the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same.
Preferably, the step of determining the respective corresponding operating condition types of the current operating condition and the target operating condition according to the preset correspondence between different operating conditions and the fault corresponding to each operating condition includes:
according to preset faults respectively corresponding to the current operating condition and the target operating condition, and according to a first preset relation table of the faults and fault levels, determining fault levels respectively corresponding to the current operating condition and the target operating condition;
determining the working condition types respectively corresponding to the current operating working condition and the target operating working condition according to the fault grades respectively corresponding to the current operating working condition and the target operating working condition and according to a second preset relation table of the fault grades and the working condition types;
each fault grade corresponds to at least one fault, and the faults corresponding to different fault grades are different.
Preferably, the method further comprises:
if the working condition type corresponding to the current operating working condition is not the same as the working condition type corresponding to the target operating working condition, controlling the operating working condition of the vehicle to be switched from the current operating working condition to the target operating working condition when the fault grade corresponding to the current operating working condition is smaller than the fault grade corresponding to the target operating working condition;
and when the fault grade corresponding to the current operation working condition is larger or smaller than the fault grade corresponding to the target operation working condition, controlling the operation working condition of the vehicle to keep the current operation working condition.
Preferably, the step of switching the operating condition of the vehicle according to the driving state corresponding to the current operating condition and the driving state corresponding to the target operating condition includes:
judging whether the driving state corresponding to the current operation condition is the same as the driving state corresponding to the target operation condition;
if the current operating condition is the same as the target operating condition, controlling the operating condition of the vehicle to be switched from the current operating condition to the target operating condition;
and if the current operation working condition is different from the preset operation working condition, controlling the operation working condition of the vehicle to be switched to the preset operation working condition from the current operation working condition, and controlling the operation working condition of the vehicle to be switched to the target operation working condition from the preset operation working condition when the operation time after the operation working condition is switched to the preset operation working condition reaches a preset time.
Preferably, the operating condition types include a first operating condition type, a second operating condition type, a third operating condition type and a fourth operating condition type, wherein the fault levels are sequentially increased.
Preferably, in at least one pre-stored operating condition, the first operating condition type includes a first operating condition in which the driving state is the parking state and a second operating condition in which the driving state is the neutral stop state, wherein,
when the operating range is a parking range and the failure state is a state in which a fifth failure or a sixth failure occurs, or,
when the operating gear is a parking gear and the fault state is a state without fault, determining that the operating condition of the vehicle is a first operating condition;
when the operating range is neutral and the fault condition is a condition in which a fifth fault or a sixth fault occurs, or,
and when the running gear is a neutral gear and the fault state is a state without fault, determining that the running working condition of the vehicle is a second running working condition.
Preferably, the first operating condition type further includes a third operating condition and a fourth operating condition in which the driving state is a reverse state, in at least one operating condition stored in advance, wherein,
when the operating range is a reverse range, the opening degree of the brake pedal is smaller than a predetermined opening degree, the opening degree of the accelerator pedal is larger than a predetermined opening degree, and the fault state is a state where a fifth fault or a sixth fault occurs, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is smaller than a preset opening degree, the opening degree of an accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is a third running working condition;
when the operating range is a reverse range, the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree, and the fault state is a state where a fifth fault or a sixth fault occurs, or,
when the running gear is a reverse gear, the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of a driving motor of the vehicle in an acceleration state is smaller than a first preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the running gear is a reverse gear, the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in a deceleration state is smaller than a second preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the operating range is a reverse range, the opening degree of the brake pedal is smaller than a predetermined opening degree, the opening degree of the accelerator pedal is smaller than a predetermined opening degree, and the fault state is a non-fault state, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is larger than a preset opening degree, the opening degree of an accelerator pedal is smaller than a preset opening degree, the rotating speed of a driving motor of the vehicle in an acceleration state is smaller than a first preset rotating speed value, and the fault state is a state without fault, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is larger than a preset opening degree, the opening degree of an accelerator pedal is smaller than a preset opening degree, the motor rotating speed of a driving motor of the vehicle in a deceleration state is smaller than a second preset rotating speed value, and the fault state is a state without faults, the running working condition of the vehicle is determined to be a fourth running working condition;
wherein the first predetermined rotation speed value is greater than the second predetermined rotation speed value.
Preferably, in at least one pre-stored operating condition, the first operating condition type further includes a fifth operating condition, a sixth operating condition and a seventh operating condition, wherein the driving state is a forward driving state, and the operating gear is a driving gear,
when the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state that a fifth fault or a sixth fault occurs, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is a fifth running working condition;
when the opening degree of the brake pedal is smaller than the preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is in a first rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a sixth operating condition;
when the opening degree of the brake pedal is greater than the preset opening degree, the opening degree of the accelerator pedal is less than the preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a seventh operating condition;
wherein the first predetermined rotational speed value is smaller than the minimum value of the first rotational speed range.
Preferably, in at least one pre-stored operating condition, the first operating condition type further includes an eighth operating condition, a ninth operating condition and a tenth operating condition, wherein the driving state is a forward state and the operating gear is an economy gear or a sport gear, and wherein,
when the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state that a fifth fault or a sixth fault occurs, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is an eighth running working condition;
when the opening degree of the brake pedal is smaller than the preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is in a second rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor is within a second rotating speed range, and the fault state is a state without fault, determining that the running working condition of the vehicle is a ninth running working condition;
when the opening degree of the brake pedal is greater than the preset opening degree, the opening degree of the accelerator pedal is less than the preset opening degree, the rotating speed of the motor is in a second rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is within a second rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a tenth operating condition;
wherein a maximum value of the first rotational speed range is smaller than a minimum value of the second rotational speed range.
Preferably, in at least one pre-stored operating condition, the first operating condition type further includes an eleventh operating condition that the driving state is a forward state and the operating gear is a driving gear, an economy gear or a sport gear, wherein,
when the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree, and the failure state is a state where a fifth failure or a sixth failure occurs, or,
when the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree and the fault state is a non-fault state, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in an acceleration state is smaller than a third preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in an acceleration state is smaller than a third preset rotating speed value, and the fault state is a non-fault state, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in a deceleration state is smaller than a fourth preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of a driving motor of the vehicle in a deceleration state is smaller than a fourth preset rotating speed value, and the fault state is a state without fault, determining that the running working condition of the vehicle is an eleventh running working condition;
the third preset rotating speed value is larger than the fourth preset rotating speed value, and the third preset rotating speed is smaller than the minimum value of the first rotating speed range.
Preferably, when the initial fault state and the fault state corresponding to the current operating condition are both non-fault states, and the initial operating gear corresponding to the current operating condition is different from the operating gear; or
And when the initial fault state corresponding to the current operation working condition is a non-fault state, and the fault state is a state in which a first fault, a second fault, a third fault, a fourth fault, a fifth fault and/or a sixth fault occurs, determining that the target operation working condition of the vehicle is the preset operation working condition.
Preferably, in at least one pre-stored operating condition, the second operating condition type includes a twelfth operating condition, a thirteenth operating condition and a fourteenth operating condition, where the fault state is a state where a fourth fault occurs; wherein the content of the first and second substances,
when the running gear of the vehicle is a driving gear, an economic gear or a motion gear and the opening degree of the brake pedal is smaller than a preset opening degree, determining that the running working condition of the vehicle is a twelfth running working condition;
when the running gear of the vehicle is a reverse gear and the opening degree of the brake pedal is smaller than a preset opening degree, determining that the running working condition of the vehicle is a thirteenth running working condition;
when the running gear of the vehicle is a parking gear or a neutral gear and the opening degree of the brake pedal is larger than a preset opening degree, or,
and when the running gear of the vehicle is a driving gear, an economic gear or a motion gear and the opening degree of the brake pedal is greater than the preset opening degree, determining that the running working condition of the vehicle is a fourteenth running working condition.
Preferably, the third operating condition type includes a fifteenth operating condition in which the fault state is a state in which a third fault occurs, among the at least one operating condition stored in advance.
Preferably, the fourth condition type includes a sixteenth operating condition in which the fault state is a state in which the first fault occurs and a seventeenth operating condition in which the fault state is a state in which the second fault occurs, among the at least one operating condition stored in advance.
According to another aspect of the present invention, an embodiment of the present invention further provides a device for switching operating conditions of a vehicle, including:
the obtaining module is used for obtaining the current operation condition of the vehicle and the current operation parameters of the vehicle when receiving the condition switching instruction, wherein the current operation parameters comprise: the running gear, the fault state, the opening degree of a brake pedal, the opening degree of an accelerator pedal and the rotating speed of a motor;
the determining module is used for determining the target operation condition needing to be switched currently according to the corresponding relation between at least one prestored operation condition and the operation parameters of the vehicle;
the judging module is used for judging whether the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same working condition type or not;
and the first switching module is used for switching the running working conditions of the vehicle according to the running state corresponding to the current running working condition and the running state corresponding to the target running working condition if the current running working condition and the target running working condition are the same working condition type.
According to another aspect of the invention, the embodiment of the invention further provides an automobile, which comprises the vehicle operation condition switching device.
According to another aspect of the present invention, the embodiment of the present invention further provides a controller, which includes a processor, a memory and a computer program stored on the memory and operable on the processor, wherein the computer program, when executed by the processor, implements the steps of the method for switching the operating condition of the vehicle as described above.
According to another aspect of the present invention, the embodiment of the present invention further provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the method for switching the operating condition of the vehicle as described above.
Compared with the prior art, the method and the device for switching the vehicle running conditions and the automobile provided by the embodiment of the invention have the following beneficial effects:
the fault state of the vehicle is combined to specifically divide each running condition entering condition in at least one running condition, so that the vehicle can meet the vehicle requirements in the working condition switching process, and meanwhile, the switching between different running conditions is controlled through providing, so that the driving smoothness of the vehicle can be guaranteed when the running conditions are switched, and the driving feeling of a driver is improved.
Drawings
FIG. 1 is a schematic flow chart of a method for switching operating conditions of a vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of step 3 according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of step 31 according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating switching of at least one operating condition according to an embodiment of the present disclosure;
FIG. 5 is a flowchart illustrating a method for switching operating conditions of a vehicle according to an embodiment of the present invention;
FIG. 6 is a schematic flow chart of step 4 according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a vehicle operation condition switching device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
Referring to fig. 1, an embodiment of the present invention provides a method for switching operating conditions of a vehicle, including:
step 1, when a working condition switching instruction is received, obtaining the current operating working condition of a vehicle and the current operating parameters of the vehicle, wherein the current operating parameters comprise: the running gear, the fault state, the opening degree of a brake pedal, the opening degree of an accelerator pedal and the rotating speed of a motor;
step 2, determining a target operation condition needing to be switched currently according to a corresponding relation between at least one prestored operation condition and the operation parameters of the vehicle;
step 3, judging whether the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same working condition type;
and 4, if the vehicle is in the same working condition type, switching the operating conditions of the vehicle according to the driving state corresponding to the current operating condition and the driving state corresponding to the target operating condition.
In particular, the operating gear is obtained by a gear system GP of the vehicle. The opening degree of a brake pedal is acquired through a Brake Pedal System (BPS), the opening degree of an accelerator pedal is acquired through an Accelerator Pedal System (APS), and the fault state is acquired through a Vehicle Control Unit (VCU).
And the current operating parameters of the vehicle are detected and obtained after receiving the working condition switching instruction when the vehicle is in the current operating working condition state.
In the embodiment of the present invention, the failure states of the vehicle are divided into a non-failure state and a failure-occurred state in total, wherein the failure-occurred state includes six failure types, which are: first failure: the whole vehicle has an immediate high-voltage failure, and the second failure is as follows: the whole vehicle has a delay high voltage failure, and the third failure is as follows: the whole vehicle has an unrecoverable zero-torque fault, and the fourth fault is that: the whole vehicle has a limp fault, and the fifth fault is as follows: the power limit fault and the sixth fault of the whole vehicle are as follows: and only reporting and not processing faults when the whole vehicle occurs.
Specifically, the system stores operation parameter data corresponding to each operation condition in advance, and the target operation condition is determined by comparing the current operation parameter with the system storage data.
Specifically, step 4 in the present invention specifically includes: and if the working condition type of the current operating working condition and the working condition type of the target operating working condition are the first working condition type (normal working condition), switching the operating working conditions of the vehicle according to the driving state corresponding to the current operating working condition and the driving state corresponding to the target operating working condition.
And when the working condition type of the current operating working condition and the working condition type of the target operating working condition are the second working condition type or the fourth working condition type, controlling the operating working condition of the vehicle to be directly switched from the current operating working condition to the target operating working condition.
When the working condition types of the current operating working condition and the target operating working condition are the fourth working condition type, if the current operating working condition is the sixteenth working condition and the target operating working condition is the seventeenth operating working condition, controlling the operating working condition of the vehicle to be directly switched from the current operating working condition to the target operating working condition; and when the current operation working condition is a seventeenth working condition and the target operation working condition is an eighteenth working condition, controlling the operation working condition of the vehicle to keep the current operation working condition.
Preferably, with reference to fig. 2, step 3 comprises:
step 31, determining the working condition types respectively corresponding to the current operating working condition and the target operating working condition according to the preset corresponding relationship between different operating working conditions and the fault corresponding to each operating working condition;
and step 32, when the working condition types respectively corresponding to the current operating working condition and the target operating working condition are the same, determining that the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same.
Preferably, with reference to fig. 3, step 31 comprises:
311, determining fault levels respectively corresponding to the current operating condition and the target operating condition according to preset faults respectively corresponding to the current operating condition and the target operating condition and a first preset relation table of faults and fault levels;
step 312, determining the working condition types respectively corresponding to the current operating working condition and the target operating working condition according to the fault grades respectively corresponding to the current operating working condition and the target operating working condition and according to a second predetermined relation table of the fault grades and the working condition types;
each fault grade corresponds to at least one fault, and the faults corresponding to different fault grades are different.
The non-fault state, the fifth fault and the sixth fault correspond to a first fault level, the fourth fault corresponds to a second fault level, the third fault corresponds to a third fault level, the first fault and the second fault correspond to a first fault level, and the severity of the first fault level, the severity of the second fault level, the severity of the third fault level and the severity of the fourth fault level are sequentially increased.
In the second predetermined relationship table, the fault levels are in one-to-one correspondence with the types of the operating conditions.
Preferably, the operating condition types include a first operating condition type, a second operating condition type, a third operating condition type and a fourth operating condition type, wherein the fault levels are sequentially increased.
As shown in FIG. 4, the first operating condition is of the normal type in FIG. 4, the second operating condition is of the limp operating condition type in FIG. 4, the third operating condition is of the zero torque type in FIG. 4, and the fourth operating condition is of the high pressure cutoff type in FIG. 4.
The first working condition type corresponds to a first fault level, the second working condition type corresponds to a second fault level, the third working condition type corresponds to a third fault level, and the fourth working condition type corresponds to a fourth fault level.
Preferably, in at least one pre-stored operating condition, the first operating condition type includes a first operating condition in which the driving state is the parking state and a second operating condition in which the driving state is the neutral stop state, wherein,
when the operating range is a parking range (P range) and the failure state is a state in which a fifth failure or a sixth failure occurs, or,
when the operating gear is a parking gear and the fault state is a state without fault, determining that the operating condition of the vehicle is a first operating condition;
when the operating range is neutral (N range) and the failure state is a state in which a fifth failure or a sixth failure occurs, or,
and when the running gear is a neutral gear and the fault state is a state without fault, determining that the running working condition of the vehicle is a second running working condition.
Specifically, the first operating condition is the P-range condition of FIG. 4, and the second operating condition is the R-range condition of FIG. 4.
Preferably, the first operating condition type further includes a third operating condition and a fourth operating condition in which the driving state is a reverse state, in at least one operating condition stored in advance, wherein,
when the operating range is a reverse range (R range), the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is larger than a predetermined opening degree, and the failure state is a state where a fifth failure or a sixth failure occurs, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is smaller than a preset opening degree, the opening degree of an accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is a third running working condition;
when the operating range is a reverse range, the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree, and the fault state is a state where a fifth fault or a sixth fault occurs, or,
when the running gear is a reverse gear, the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of a driving motor of the vehicle in an acceleration state is smaller than a first preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the running gear is a reverse gear, the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in a deceleration state is smaller than a second preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the operating range is a reverse range, the opening degree of the brake pedal is smaller than a predetermined opening degree, the opening degree of the accelerator pedal is smaller than a predetermined opening degree, and the fault state is a non-fault state, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is larger than a preset opening degree, the opening degree of an accelerator pedal is smaller than a preset opening degree, the rotating speed of a driving motor of the vehicle in an acceleration state is smaller than a first preset rotating speed value, and the fault state is a state without fault, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is larger than a preset opening degree, the opening degree of an accelerator pedal is smaller than a preset opening degree, the motor rotating speed of a driving motor of the vehicle in a deceleration state is smaller than a second preset rotating speed value, and the fault state is a state without faults, the running working condition of the vehicle is determined to be a fourth running working condition;
wherein the first predetermined rotation speed value is greater than the second predetermined rotation speed value.
Wherein the third operating condition is the R-range operating condition in fig. 4, and the fourth operating condition is the R-range idle operating condition in fig. 4.
Preferably, in at least one pre-stored operating condition, the first operating condition type further includes a fifth operating condition, a sixth operating condition and a seventh operating condition, wherein the driving state is a forward state and the operating gear is a driving gear (D gear), and wherein,
when the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state that a fifth fault or a sixth fault occurs, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is a fifth running working condition;
when the opening degree of the brake pedal is smaller than the preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is in a first rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a sixth operating condition;
when the opening degree of the brake pedal is greater than the preset opening degree, the opening degree of the accelerator pedal is less than the preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a seventh operating condition;
wherein the first predetermined rotational speed value is smaller than the minimum value of the first rotational speed range.
The fifth operation condition is a D-gear operation condition in fig. 4, the sixth operation condition is a D-gear sliding energy recovery operation condition in fig. 4, and the seventh operation condition is a D-gear braking energy recovery operation condition in fig. 4, wherein the D-gear sliding energy recovery operation condition and the D-gear braking energy recovery operation condition form a D-gear energy recovery system.
In an embodiment of the present invention, the first rotation speed range is KDELTo KDEHWherein K isDEH>KDEL>0, the entering and exiting conditions of the sixth operating condition and the seventh operating condition are hysteresis control, the first rotating speed range is a hysteresis interval,the motor speed is higher than K when the driving motor is in the speed increasing stateDEHEntering when the motor rotating speed is lower than the K when the driving motor is in a speed reduction stateDELAnd exit is performed.
Preferably, in at least one pre-stored operating condition, the first operating condition type further includes an eighth operating condition, a ninth operating condition and a tenth operating condition, wherein the driving state is a forward state and the operating gear is an economy gear (E gear) or a sport gear (S gear), and wherein,
when the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state that a fifth fault or a sixth fault occurs, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is an eighth running working condition;
when the opening degree of the brake pedal is smaller than the preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is in a second rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor is within a second rotating speed range, and the fault state is a state without fault, determining that the running working condition of the vehicle is a ninth running working condition;
when the opening degree of the brake pedal is greater than the preset opening degree, the opening degree of the accelerator pedal is less than the preset opening degree, the rotating speed of the motor is in a second rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is within a second rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a tenth operating condition;
wherein a maximum value of the first rotational speed range is smaller than a minimum value of the second rotational speed range.
The eighth operation condition is an E/S gear condition in fig. 4, the ninth operation condition is an E/S gear sliding energy recovery condition in fig. 4, and the tenth operation condition is an E/S gear braking energy recovery condition in fig. 4, wherein the E/S gear sliding energy recovery condition and the E/S gear braking energy recovery condition form an E/S gear energy recovery system.
In the embodiment of the invention, the second rotating speed range is KEELTo KEEHWherein K isEEH>KEEL>0, the ninth operating condition and the tenth operating condition enter and exit conditions are hysteresis control, the first rotating speed range is a hysteresis interval, and when the driving motor is in an acceleration state, the rotating speed of the motor is greater than the KEEHEntering when the motor rotating speed is lower than the K when the driving motor is in a speed reduction stateEELAnd exit is performed.
Preferably, in at least one pre-stored operating condition, the first operating condition type further includes an eleventh operating condition that the driving state is a forward state and the operating gear is a driving gear, an economy gear or a sport gear, wherein,
when the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree, and the failure state is a state where a fifth failure or a sixth failure occurs, or,
when the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree and the fault state is a non-fault state, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in an acceleration state is smaller than a third preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in an acceleration state is smaller than a third preset rotating speed value, and the fault state is a non-fault state, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in a deceleration state is smaller than a fourth preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of a driving motor of the vehicle in a deceleration state is smaller than a fourth preset rotating speed value, and the fault state is a state without fault, determining that the running working condition of the vehicle is an eleventh running working condition;
the third preset rotating speed value is larger than the fourth preset rotating speed value, and the third preset rotating speed is smaller than the minimum value of the first rotating speed range.
Wherein the eleventh operating condition is the D/S/E idle condition of FIG. 4.
Preferably, when the initial fault state and the fault state corresponding to the current operating condition are both non-fault states, and the initial operating gear corresponding to the current operating condition is different from the operating gear; or
And when the initial fault state corresponding to the current operation working condition is a non-fault state, and the fault state is a state in which a first fault, a second fault, a third fault, a fourth fault, a fifth fault and/or a sixth fault occurs, determining that the target operation working condition of the vehicle is the preset operation working condition.
The predetermined operating condition is the zero transition condition of fig. 4.
In the embodiment of the invention, when the initial fault state corresponding to the current operation working condition is a non-fault state, the opening degree of the brake pedal is greater than the preset opening degree but does not meet the entering conditions of entering the fourth operation working condition, the eleventh operation working condition, the tenth operation working condition and the seventh operation working condition, the target operation working condition of the vehicle is determined to be the preset operation working condition.
Preferably, in at least one pre-stored operating condition, the second operating condition type includes a twelfth operating condition, a thirteenth operating condition and a fourteenth operating condition, where the fault state is a state where a fourth fault occurs; wherein the content of the first and second substances,
when the running gear of the vehicle is a driving gear, an economic gear or a motion gear and the opening degree of the brake pedal is smaller than a preset opening degree, determining that the running working condition of the vehicle is a twelfth running working condition;
when the running gear of the vehicle is a reverse gear and the opening degree of the brake pedal is smaller than a preset opening degree, determining that the running working condition of the vehicle is a thirteenth running working condition;
when the running gear of the vehicle is a parking gear or a neutral gear and the opening degree of the brake pedal is larger than a preset opening degree, or,
and when the running gear of the vehicle is a driving gear, an economic gear or a motion gear and the opening degree of the brake pedal is greater than the preset opening degree, determining that the running working condition of the vehicle is a fourteenth running working condition.
The twelfth operating condition is a D/E/S gear limping condition in fig. 4, the thirteenth operating condition is an N gear limping condition in fig. 6, and the fourteenth operating condition is an R gear limping condition in fig. 4.
Preferably, the third operating condition type includes a fifteenth operating condition in which the fault state is a state in which a third fault occurs, among the at least one operating condition stored in advance.
Wherein the fifteenth operating condition is the zero torque fault condition of FIG. 4.
Preferably, the fourth condition type includes a sixteenth operating condition in which the fault state is a state in which the first fault occurs and a seventeenth operating condition in which the fault state is a state in which the second fault occurs, among the at least one operating condition stored in advance.
The sixteenth operating condition is the emergency high-pressure-off condition shown in fig. 4, and the seventeenth operating condition is the delayed high-pressure-off condition shown in fig. 6.
In the above embodiment of the present invention, the predetermined opening degree is 1.5%.
Preferably, referring to fig. 5, the method further comprises:
step 5, if the working condition type corresponding to the current operating working condition is not the same as the working condition type corresponding to the target operating working condition, controlling the operating working condition of the vehicle to be switched from the current operating working condition to the target operating working condition when the fault grade corresponding to the current operating working condition is smaller than the fault grade corresponding to the target operating working condition;
and 6, controlling the running working condition of the vehicle to keep the current running working condition when the fault grade corresponding to the current running working condition is larger or smaller than the fault grade corresponding to the target running working condition.
In step 5, when the fault level corresponding to the current operation condition is less than the fault level corresponding to the target operation condition,
preferably, referring to fig. 6, step 4 comprises:
step 41, judging whether the driving state corresponding to the current operation condition is the same as the driving state corresponding to the target operation condition;
step 42, if the current operating condition is the same as the target operating condition, controlling the operating condition of the vehicle to be switched from the current operating condition to the target operating condition;
and 43, if the running conditions are different, controlling the running condition of the vehicle to be switched from the current running condition to a preset running condition, and controlling the running condition of the vehicle to be switched from the preset running condition to the target running condition when the running time after the vehicle is switched to the preset running condition reaches a preset time.
Specifically, the driving state of the vehicle is: the vehicle is in a forward state, the vehicle is in a reverse state, the vehicle is in a park state, or the vehicle is in a neutral stop state.
When the target operation condition is the same as the driving state corresponding to the current operation condition, the correlation degree between the target operation condition and the current operation condition is high, and at the moment, the operation condition of the vehicle is directly switched from the current operation condition to the target operation condition, so that the smooth operation of the vehicle can be ensured.
When the driving state that target operating mode and current operating mode correspond is inequality, switch over to predetermined operating mode by this current operating mode through the operating mode of control vehicle, can make vehicle power output more smooth-going, simultaneously, accord with driver's anticipated demand more.
Specifically, the predetermined operating condition is the zero transition condition of FIG. 6. As shown in fig. 4, illustrating: the R keeps off operating mode and the in-process that the vehicle was backed a car is controlled to the R fender idle condition at the driver can appear repeatedly, driver's accessible R keeps off idle condition promptly and backs a car, also can keep off the operating mode through R simultaneously and accomplish and back a car, the speed of a motor vehicle when the idle speed can satisfy the driver demand then the process of backing a car can only be accomplished through R fender idle condition, if the idle speed of a motor vehicle does not satisfy the driver demand then the driver accessible makes the vehicle enter into R fender operating mode and accomplish the operation of backing a car, from this see the degree of contact between two operating modes above. Through freely switching between the two working conditions without transition through a third working condition (zero transition working condition), smooth power output of the vehicle can be ensured, and meanwhile, the requirement expectation of a driver is better met.
In the embodiment of the present invention, there are 6 groups of operating conditions in total that do not require transition switching through the predetermined operating condition (zero transition operating condition), as shown in fig. 4, specifically:
①, allowing the vehicle to freely switch between the R gear working condition and the R gear idling working condition;
②, allowing the vehicle to freely switch between the D gear working condition and the E/S gear working condition;
③, allowing the vehicle to freely switch between the D gear working condition and the D/E/S gear idling working condition;
④, allowing the vehicle to freely switch between the D gear working condition and the D gear energy recovery working condition (including the D gear sliding energy recovery working condition and the D gear braking energy recovery working condition);
⑤, allowing the vehicle to freely switch between the E/S gear working condition and the D/E/S gear idling working condition;
⑥, the vehicle is allowed to freely switch between the E/S gear working condition and the E/S gear energy recovery working condition (comprising the E/S gear sliding energy recovery working condition and the E/S gear braking energy recovery working condition).
In the embodiment of the invention, when the target operation working condition and the current operation working condition belong to the first working condition type, except that the 6 groups of working conditions can be directly switched, the switching among the rest working conditions needs to be transited and switched through the preset operation working condition, so that the impact of the working condition switching on the driving smoothness can be avoided by forcing the vehicle to enter a zero-transition working condition link, and the driving feeling of a driver is improved.
According to the switching method of the vehicle running working conditions, the entering conditions of each running working condition in at least one running working condition are specifically divided by combining the fault state of the vehicle, so that the vehicle can meet the vehicle requirements in the working condition switching process, and meanwhile, the smooth running of the vehicle can be ensured and the driving feeling of a driver can be improved when the running working conditions are switched by controlling the switching among different running working conditions.
The method can reasonably and effectively realize the switching among the running working conditions of the vehicle, has the advantages of reasonableness, high efficiency and reliability, can efficiently judge the driving intention of a driver according to the state of the vehicle, and can protect the vehicle by enabling the vehicle to enter a special state by utilizing fault information. The method provided by the invention can meet the basic functions of the vehicle and simultaneously ensure the driving feeling of the driver, and in addition, the method has the characteristics of simplicity, convenience, easiness in implementation and no additional increase of the production cost of the vehicle, so the method has good popularization value.
According to another aspect of the present invention, referring to fig. 7, an embodiment of the present invention further provides a vehicle operation condition switching device, including:
the obtaining module 101 is configured to obtain a current operating condition of a vehicle and a current operating parameter of the vehicle when a condition switching instruction is received, where the current operating parameter includes: the running gear, the fault state, the opening degree of a brake pedal, the opening degree of an accelerator pedal and the rotating speed of a motor;
the determining module 102 is configured to determine a target operation condition that needs to be switched currently according to a pre-stored correspondence between at least one operation condition and an operation parameter of a vehicle;
the judging module 103 is configured to judge whether the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same working condition type;
and the first switching module 104 is configured to switch the operation conditions of the vehicle according to the driving state corresponding to the current operation condition and the driving state corresponding to the target operation condition if the current operation condition and the target operation condition are the same type.
Furthermore, in the embodiment of the present invention, the determining module includes:
the first determining submodule is used for determining the working condition types respectively corresponding to the current operating working condition and the target operating working condition according to the preset corresponding relation between different operating working conditions and the fault corresponding to each operating working condition;
and the second determining submodule is used for determining that the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same when the working condition types respectively corresponding to the current operating working condition and the target operating working condition are the same.
Further, in an embodiment of the present invention, the first determination submodule includes:
the first determining unit is used for determining fault levels respectively corresponding to the current operating condition and the target operating condition according to preset faults respectively corresponding to the current operating condition and the target operating condition and a first preset relation table of faults and fault levels;
the second determining unit is used for determining the working condition types respectively corresponding to the current operating working condition and the target operating working condition according to the fault grades respectively corresponding to the current operating working condition and the target operating working condition and a second preset relation table of the fault grades and the working condition types;
each fault grade corresponds to at least one fault, and the faults corresponding to different fault grades are different.
Further, in an embodiment of the present invention, the method further includes:
the second switching module is used for controlling the running working condition of the vehicle to be switched from the current running working condition to the target running working condition when the fault grade corresponding to the current running working condition is smaller than the fault grade corresponding to the target running working condition if the working condition type corresponding to the current running working condition is not the same as the working condition type corresponding to the target running working condition;
and the control module is used for controlling the running working condition of the vehicle to keep the current running working condition when the fault grade corresponding to the current running working condition is greater than or less than the fault grade corresponding to the target running working condition.
Further, in an embodiment of the present invention, the first switching module includes:
the judgment submodule is used for judging whether the driving state corresponding to the current operation working condition is the same as the driving state corresponding to the target operation working condition or not;
the first control submodule is used for controlling the operation working condition of the vehicle to be switched from the current operation working condition to the target operation working condition if the current operation working condition is the same as the target operation working condition;
and the second control submodule is used for controlling the running working condition of the vehicle to be switched from the current running working condition to a preset running working condition if the current running working condition is different from the preset running working condition, and controlling the running working condition of the vehicle to be switched from the preset running working condition to the target running working condition when the running time after the vehicle is switched to the preset running working condition reaches a preset time.
Further, in the embodiment of the present invention, the operation condition types include a first operation condition type, a second operation condition type, a third operation condition type, and a fourth operation condition type in which the fault level is sequentially increased.
Further, in the embodiment of the present invention, in at least one operation condition stored in advance, the first condition type includes a first operation condition in which the driving state is the parking state and a second operation condition in which the driving state is the neutral stop state, wherein,
when the operating range is a parking range and the failure state is a state in which a fifth failure or a sixth failure occurs, or,
when the operating gear is a parking gear and the fault state is a state without fault, determining that the operating condition of the vehicle is a first operating condition;
when the operating range is neutral and the fault condition is a condition in which a fifth fault or a sixth fault occurs, or,
and when the running gear is a neutral gear and the fault state is a state without fault, determining that the running working condition of the vehicle is a second running working condition.
Further, in the embodiment of the present invention, the first operating condition type further includes a third operating condition and a fourth operating condition in which the driving state is a reverse state, among the at least one operating condition stored in advance, wherein,
when the operating range is a reverse range, the opening degree of the brake pedal is smaller than a predetermined opening degree, the opening degree of the accelerator pedal is larger than a predetermined opening degree, and the fault state is a state where a fifth fault or a sixth fault occurs, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is smaller than a preset opening degree, the opening degree of an accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is a third running working condition;
when the operating range is a reverse range, the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree, and the fault state is a state where a fifth fault or a sixth fault occurs, or,
when the running gear is a reverse gear, the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of a driving motor of the vehicle in an acceleration state is smaller than a first preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the running gear is a reverse gear, the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in a deceleration state is smaller than a second preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the operating range is a reverse range, the opening degree of the brake pedal is smaller than a predetermined opening degree, the opening degree of the accelerator pedal is smaller than a predetermined opening degree, and the fault state is a non-fault state, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is larger than a preset opening degree, the opening degree of an accelerator pedal is smaller than a preset opening degree, the rotating speed of a driving motor of the vehicle in an acceleration state is smaller than a first preset rotating speed value, and the fault state is a state without fault, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is larger than a preset opening degree, the opening degree of an accelerator pedal is smaller than a preset opening degree, the motor rotating speed of a driving motor of the vehicle in a deceleration state is smaller than a second preset rotating speed value, and the fault state is a state without faults, the running working condition of the vehicle is determined to be a fourth running working condition;
wherein the first predetermined rotation speed value is greater than the second predetermined rotation speed value.
Furthermore, in the embodiment of the present invention, in at least one operation condition stored in advance, the first operation condition type further includes a fifth operation condition, a sixth operation condition and a seventh operation condition, in which the driving state is a forward state and the operation gear is a driving gear, wherein,
when the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state that a fifth fault or a sixth fault occurs, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is a fifth running working condition;
when the opening degree of the brake pedal is smaller than the preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is in a first rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a sixth operating condition;
when the opening degree of the brake pedal is greater than the preset opening degree, the opening degree of the accelerator pedal is less than the preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a seventh operating condition;
wherein the first predetermined rotational speed value is smaller than the minimum value of the first rotational speed range.
Further, in the embodiment of the present invention, in at least one operation condition stored in advance, the first operation condition type further includes an eighth operation condition, a ninth operation condition and a tenth operation condition where the driving state is a forward state and the operation gear is an economy gear or a sport gear, wherein,
when the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state that a fifth fault or a sixth fault occurs, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is an eighth running working condition;
when the opening degree of the brake pedal is smaller than the preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is in a second rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor is within a second rotating speed range, and the fault state is a state without fault, determining that the running working condition of the vehicle is a ninth running working condition;
when the opening degree of the brake pedal is greater than the preset opening degree, the opening degree of the accelerator pedal is less than the preset opening degree, the rotating speed of the motor is in a second rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is within a second rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a tenth operating condition;
wherein a maximum value of the first rotational speed range is smaller than a minimum value of the second rotational speed range.
Further, in the embodiment of the present invention, in at least one operation condition stored in advance, the first operation condition type further includes an eleventh operation condition in which the driving state is a forward state and the operation gear is a driving gear, an economy gear, or a sport gear, wherein,
when the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree, and the failure state is a state where a fifth failure or a sixth failure occurs, or,
when the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree and the fault state is a non-fault state, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in an acceleration state is smaller than a third preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in an acceleration state is smaller than a third preset rotating speed value, and the fault state is a non-fault state, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in a deceleration state is smaller than a fourth preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of a driving motor of the vehicle in a deceleration state is smaller than a fourth preset rotating speed value, and the fault state is a state without fault, determining that the running working condition of the vehicle is an eleventh running working condition;
the third preset rotating speed value is larger than the fourth preset rotating speed value, and the third preset rotating speed is smaller than the minimum value of the first rotating speed range.
Furthermore, in the embodiment of the present invention, when the initial fault state and the fault state corresponding to the current operating condition are both non-fault states, and the initial operating gear corresponding to the current operating condition is different from the operating gear; or
And when the initial fault state corresponding to the current operation working condition is a non-fault state, and the fault state is a state in which a first fault, a second fault, a third fault, a fourth fault, a fifth fault and/or a sixth fault occurs, determining that the target operation working condition of the vehicle is the preset operation working condition.
Further, in the embodiment of the present invention, in at least one operation condition stored in advance, the second condition type includes a twelfth operation condition, a thirteenth operation condition, and a fourteenth operation condition, where the fault state is a state where a fourth fault occurs; wherein the content of the first and second substances,
when the running gear of the vehicle is a driving gear, an economic gear or a motion gear and the opening degree of the brake pedal is smaller than a preset opening degree, determining that the running working condition of the vehicle is a twelfth running working condition;
when the running gear of the vehicle is a reverse gear and the opening degree of the brake pedal is smaller than a preset opening degree, determining that the running working condition of the vehicle is a thirteenth running working condition;
when the running gear of the vehicle is a parking gear or a neutral gear and the opening degree of the brake pedal is larger than a preset opening degree, or,
and when the running gear of the vehicle is a driving gear, an economic gear or a motion gear and the opening degree of the brake pedal is greater than the preset opening degree, determining that the running working condition of the vehicle is a fourteenth running working condition.
Still further, in an embodiment of the present invention, the third operating condition type includes a fifteenth operating condition in which the fault state is a state in which a third fault occurs, among the at least one operating condition stored in advance.
Still further, in the embodiment of the present invention, the fourth condition type includes, among the at least one operation condition stored in advance, a sixteenth operation condition in which the fault state is a state in which the first fault occurs and a seventeenth operation condition in which the fault state is a state in which the second fault occurs.
The switching device for the vehicle running working conditions, provided by the embodiment of the invention, specifically divides each running working condition entry condition in at least one running working condition by combining the fault state of the vehicle, so that the vehicle can meet the vehicle requirements in the working condition switching process, and meanwhile, the smooth running of the vehicle can be ensured and the driving feeling of a driver can be improved by controlling the switching among different running working conditions.
According to another aspect of the invention, the embodiment of the invention further provides an automobile, which comprises the vehicle operation condition switching device.
According to another aspect of the present invention, the embodiment of the present invention further provides a controller, which includes a processor, a memory and a computer program stored on the memory and operable on the processor, wherein the computer program, when executed by the processor, implements the steps of the method for switching the operating condition of the vehicle as described above.
According to another aspect of the present invention, the embodiment of the present invention further provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the method for switching the operating condition of the vehicle as described above.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (18)

1. A method for switching the running conditions of a vehicle is characterized by comprising the following steps:
when a working condition switching instruction is received, the current operating working condition of the vehicle and the current operating parameters of the vehicle are obtained, wherein the current operating parameters comprise: the running gear, the fault state, the opening degree of a brake pedal, the opening degree of an accelerator pedal and the rotating speed of a motor;
determining a target operation condition needing to be switched currently according to a corresponding relation between at least one prestored operation condition and the operation parameters of the vehicle;
judging whether the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same working condition type or not;
if the current operating condition is the same as the target operating condition, switching the operating conditions of the vehicle according to the driving state corresponding to the current operating condition and the driving state corresponding to the target operating condition; if the working condition type corresponding to the current operating working condition is not the same as the working condition type corresponding to the target operating working condition, controlling the operating working condition of the vehicle to be switched from the current operating working condition to the target operating working condition when the fault grade corresponding to the current operating working condition is smaller than the fault grade corresponding to the target operating working condition; and when the fault grade corresponding to the current operation working condition is larger or smaller than the fault grade corresponding to the target operation working condition, controlling the operation working condition of the vehicle to keep the current operation working condition.
2. The method for switching the operating conditions of the vehicle according to claim 1, wherein the step of judging whether the operating condition type of the current operating condition and the operating condition type of the target operating condition are the same operating condition type comprises:
determining the working condition types respectively corresponding to the current operating working condition and the target operating working condition according to the preset corresponding relationship between different operating working conditions and the fault corresponding to each operating working condition;
and when the working condition types respectively corresponding to the current operating working condition and the target operating working condition are the same, determining that the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same.
3. The method for switching the operating conditions of the vehicle according to claim 2, wherein the step of determining the operating condition types respectively corresponding to the current operating condition and the target operating condition according to the preset correspondence between different operating conditions and the fault corresponding to each operating condition comprises:
according to preset faults respectively corresponding to the current operating condition and the target operating condition, and according to a first preset relation table of the faults and fault levels, determining fault levels respectively corresponding to the current operating condition and the target operating condition;
determining the working condition types respectively corresponding to the current operating working condition and the target operating working condition according to the fault grades respectively corresponding to the current operating working condition and the target operating working condition and according to a second preset relation table of the fault grades and the working condition types;
each fault grade corresponds to at least one fault, and the faults corresponding to different fault grades are different.
4. The method for switching the operating conditions of the vehicle according to claim 1, wherein the step of switching the operating conditions of the vehicle according to the driving state corresponding to the current operating condition and the driving state corresponding to the target operating condition comprises:
judging whether the driving state corresponding to the current operation condition is the same as the driving state corresponding to the target operation condition;
if the current operating condition is the same as the target operating condition, controlling the operating condition of the vehicle to be switched from the current operating condition to the target operating condition;
and if the current operation working condition is different from the preset operation working condition, controlling the operation working condition of the vehicle to be switched to the preset operation working condition from the current operation working condition, and controlling the operation working condition of the vehicle to be switched to the target operation working condition from the preset operation working condition when the operation time after the operation working condition is switched to the preset operation working condition reaches a preset time.
5. The method of switching the running condition of the vehicle according to claim 3, wherein the condition types include a first condition type, a second condition type, a third condition type, and a fourth condition type in which the fault level is sequentially increased.
6. The method for switching the operating conditions of the vehicle according to claim 5, wherein the first operating condition type includes a first operating condition in which the driving state is a parking state and a second operating condition in which the driving state is a neutral stop state, in at least one operating condition stored in advance, wherein,
when the operating range is a parking range and the failure state is a state in which a fifth failure or a sixth failure occurs, or,
when the operating gear is a parking gear and the fault state is a state without fault, determining that the operating condition of the vehicle is a first operating condition;
when the operating range is neutral and the fault condition is a condition in which a fifth fault or a sixth fault occurs, or,
and when the running gear is a neutral gear and the fault state is a state without fault, determining that the running working condition of the vehicle is a second running working condition.
7. The method of switching the operating condition of the vehicle according to claim 6, wherein the first operating condition type further includes a third operating condition and a fourth operating condition in which the driving state is a reverse state, among the at least one operating condition stored in advance, wherein,
when the operating range is a reverse range, the opening degree of the brake pedal is smaller than a predetermined opening degree, the opening degree of the accelerator pedal is larger than a predetermined opening degree, and the fault state is a state where a fifth fault or a sixth fault occurs, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is smaller than a preset opening degree, the opening degree of an accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is a third running working condition;
when the operating range is a reverse range, the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree, and the fault state is a state where a fifth fault or a sixth fault occurs, or,
when the running gear is a reverse gear, the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of a driving motor of the vehicle in an acceleration state is smaller than a first preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the running gear is a reverse gear, the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in a deceleration state is smaller than a second preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the operating range is a reverse range, the opening degree of the brake pedal is smaller than a predetermined opening degree, the opening degree of the accelerator pedal is smaller than a predetermined opening degree, and the fault state is a non-fault state, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is larger than a preset opening degree, the opening degree of an accelerator pedal is smaller than a preset opening degree, the rotating speed of a driving motor of the vehicle in an acceleration state is smaller than a first preset rotating speed value, and the fault state is a state without fault, or,
when the running gear is a reverse gear, the opening degree of a brake pedal is larger than a preset opening degree, the opening degree of an accelerator pedal is smaller than a preset opening degree, the motor rotating speed of a driving motor of the vehicle in a deceleration state is smaller than a second preset rotating speed value, and the fault state is a state without faults, the running working condition of the vehicle is determined to be a fourth running working condition;
wherein the first predetermined rotation speed value is greater than the second predetermined rotation speed value.
8. The method according to claim 7, wherein the first operating condition type further includes a fifth operating condition, a sixth operating condition and a seventh operating condition in which the driving state is a forward state and the operating range is a driving range, in at least one operating condition stored in advance, wherein,
when the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state that a fifth fault or a sixth fault occurs, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is a fifth running working condition;
when the opening degree of the brake pedal is smaller than the preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is in a first rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a sixth operating condition;
when the opening degree of the brake pedal is greater than the preset opening degree, the opening degree of the accelerator pedal is less than the preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is within a first rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a seventh operating condition;
wherein the first predetermined rotational speed value is smaller than the minimum value of the first rotational speed range.
9. The method according to claim 8, wherein the first operating condition type further includes an eighth operating condition, a ninth operating condition, and a tenth operating condition in which the driving state is a forward state and the operating range is an economy range or a sport range, in at least one operating condition stored in advance, wherein,
when the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state that a fifth fault or a sixth fault occurs, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is larger than the preset opening degree, and the fault state is a state without fault, determining that the running working condition of the vehicle is an eighth running working condition;
when the opening degree of the brake pedal is smaller than the preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is in a second rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is smaller than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor is within a second rotating speed range, and the fault state is a state without fault, determining that the running working condition of the vehicle is a ninth running working condition;
when the opening degree of the brake pedal is greater than the preset opening degree, the opening degree of the accelerator pedal is less than the preset opening degree, the rotating speed of the motor is in a second rotating speed range, and the fault state is a state of fifth fault or sixth fault, or
When the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of the motor is within a second rotating speed range, and the fault state is a state without fault, determining that the operating condition of the vehicle is a tenth operating condition;
wherein a maximum value of the first rotational speed range is smaller than a minimum value of the second rotational speed range.
10. The method according to claim 9, wherein the first operating condition type further includes an eleventh operating condition where the driving state is a forward state and the operating range is a driving range, an economy range, or a sport range, in at least one operating condition stored in advance, wherein,
when the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree, and the failure state is a state where a fifth failure or a sixth failure occurs, or,
when the brake pedal opening degree is smaller than a predetermined opening degree, the accelerator pedal opening degree is smaller than a predetermined opening degree and the fault state is a non-fault state, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in an acceleration state is smaller than a third preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in an acceleration state is smaller than a third preset rotating speed value, and the fault state is a non-fault state, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than a preset opening degree, the rotating speed of the motor of the vehicle in a deceleration state is smaller than a fourth preset rotating speed value, and the fault state is a state of fifth fault or sixth fault, or,
when the opening degree of the brake pedal is larger than a preset opening degree, the opening degree of the accelerator pedal is smaller than the preset opening degree, the rotating speed of a driving motor of the vehicle in a deceleration state is smaller than a fourth preset rotating speed value, and the fault state is a state without fault, determining that the running working condition of the vehicle is an eleventh running working condition;
the third preset rotating speed value is larger than the fourth preset rotating speed value, and the third preset rotating speed is smaller than the minimum value of the first rotating speed range.
11. The method of switching the running condition of the vehicle according to claim 4,
when the initial fault state corresponding to the current operating condition and the fault state are both non-fault states, and the initial operating gear corresponding to the current operating condition is different from the operating gear; or
And when the initial fault state corresponding to the current operation working condition is a non-fault state, and the fault state is a state in which a first fault, a second fault, a third fault, a fourth fault, a fifth fault and/or a sixth fault occurs, determining that the target operation working condition of the vehicle is the preset operation working condition.
12. The method for switching the operating conditions of the vehicle according to claim 5, wherein the second operating condition type comprises a twelfth operating condition, a thirteenth operating condition and a fourteenth operating condition of which the fault states are states in which a fourth fault occurs, in at least one operating condition stored in advance; wherein the content of the first and second substances,
when the running gear of the vehicle is a driving gear, an economic gear or a motion gear and the opening degree of the brake pedal is smaller than a preset opening degree, determining that the running working condition of the vehicle is a twelfth running working condition;
when the running gear of the vehicle is a reverse gear and the opening degree of the brake pedal is smaller than a preset opening degree, determining that the running working condition of the vehicle is a thirteenth running working condition;
when the running gear of the vehicle is a parking gear or a neutral gear and the opening degree of the brake pedal is larger than a preset opening degree, or,
and when the running gear of the vehicle is a driving gear, an economic gear or a motion gear and the opening degree of the brake pedal is greater than the preset opening degree, determining that the running working condition of the vehicle is a fourteenth running working condition.
13. The method for switching the operating conditions of the vehicle according to claim 5, wherein the third operating condition type comprises a fifteenth operating condition in which the fault state is a state in which a third fault occurs, among the at least one operating condition stored in advance.
14. The method for switching the operating conditions of the vehicle according to claim 5, wherein the fourth condition type includes a sixteenth operating condition in which the fault state is a state in which the first fault occurs and a seventeenth operating condition in which the fault state is a state in which the second fault occurs, among the at least one operating condition stored in advance.
15. A vehicle behavior switching device, comprising:
the obtaining module is used for obtaining the current operation condition of the vehicle and the current operation parameters of the vehicle when receiving the condition switching instruction, wherein the current operation parameters comprise: the running gear, the fault state, the opening degree of a brake pedal, the opening degree of an accelerator pedal and the rotating speed of a motor;
the determining module is used for determining the target operation condition needing to be switched currently according to the corresponding relation between at least one prestored operation condition and the operation parameters of the vehicle;
the judging module is used for judging whether the working condition type of the current operating working condition and the working condition type of the target operating working condition are the same working condition type or not;
the first switching module is used for switching the running working conditions of the vehicle according to the running state corresponding to the current running working condition and the running state corresponding to the target running working condition if the current running working condition and the target running working condition are the same working condition type; if the working condition type corresponding to the current operating working condition is not the same as the working condition type corresponding to the target operating working condition, controlling the operating working condition of the vehicle to be switched from the current operating working condition to the target operating working condition when the fault grade corresponding to the current operating working condition is smaller than the fault grade corresponding to the target operating working condition; and when the fault grade corresponding to the current operation working condition is larger or smaller than the fault grade corresponding to the target operation working condition, controlling the operation working condition of the vehicle to keep the current operation working condition.
16. An automobile characterized by comprising the vehicle behavior switching device according to claim 15.
17. A controller comprising a processor, a memory and a computer program stored on the memory and operable on the processor, the computer program when executed by the processor implementing the steps of the method of switching operating conditions of a vehicle as claimed in any one of claims 1 to 14.
18. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method for switching operating conditions of a vehicle according to any one of claims 1 to 14.
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