CN115071431A - New energy automobile safe driving control system and method and new energy automobile - Google Patents

New energy automobile safe driving control system and method and new energy automobile Download PDF

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Publication number
CN115071431A
CN115071431A CN202210926598.1A CN202210926598A CN115071431A CN 115071431 A CN115071431 A CN 115071431A CN 202210926598 A CN202210926598 A CN 202210926598A CN 115071431 A CN115071431 A CN 115071431A
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China
Prior art keywords
vehicle
new energy
safe driving
energy automobile
control unit
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CN202210926598.1A
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Chinese (zh)
Inventor
邓金明
刘长伟
王新树
黄意
高洁
汤庆涛
白彦梅
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Chery New Energy Automobile Co Ltd
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Chery New Energy Automobile Co Ltd
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Priority to CN202210926598.1A priority Critical patent/CN115071431A/en
Publication of CN115071431A publication Critical patent/CN115071431A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/12Recording operating variables ; Monitoring of operating variables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20Methods, 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/10Vehicle control parameters
    • B60L2240/12Speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/40Drive Train control parameters
    • B60L2240/42Drive Train control parameters related to electric machines
    • B60L2240/423Torque
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2250/00Driver interactions
    • B60L2250/26Driver interactions by pedal actuation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

The invention provides a new energy automobile safe driving control system and method and a new energy automobile, and belongs to new energy, wherein the safe driving control system at least comprises: the vehicle-mounted display system comprises a vehicle control unit and a vehicle-mounted display module communicated with the vehicle control unit; an auxiliary setup module configured to: one or more items of an output torque peak value, a torque loading gradient, the highest vehicle speed, the intensity of energy recovery and a braking request are set and sent to the whole vehicle controller; a vehicle control unit configured to: performing safe driving control corresponding to the control amount according to the received setting information; the invention improves the driving safety of the new energy automobile and reduces the driving anxiety of the initial driver.

Description

New energy automobile safe driving control system and method and new energy automobile
Technical Field
The invention relates to the technical field of new energy automobile control, in particular to a new energy automobile safe driving control system and method and a new energy automobile.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
At present, various technologies of automobiles are becoming more mature, and more technical modes are applied to new energy automobiles, such as an automatic driving technology, an automatic cruise technology, and the like.
However, the existing driving mode setting of the new energy automobile supports the personalized setting of many mature drivers, and cannot meet the requirements of the initial driver (i.e. the driver who lacks the experience of driving on the road after the license), i.e. the driver has no specific design for the initial driver, and cannot solve the anxiety of the initial driver when driving on the road, and the driving technology of the initial driver is not skillful, so that a traffic accident caused by misoperation is easy to occur in case of an emergency.
Patent number CN114393999A discloses a control method and device for individual driving of a new energy automobile, and an automobile, wherein a driver can independently select a sliding energy recovery intensity, and is not limited by a sliding gear, so that the vehicle can realize an exclusive own driving style, and only optimization and promotion of the driving style can be performed, and limitation of the driving mode of a primary driver cannot be realized, so that the driving safety of the primary driver cannot be ensured to reduce driving anxiety.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a system and a method for controlling safe driving of a new energy automobile and the new energy automobile.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a safe driving control system of a new energy automobile in a first aspect.
A safe driving control system of a new energy automobile at least comprises: the vehicle-mounted display system comprises a vehicle control unit and a vehicle-mounted display module communicated with the vehicle control unit;
an auxiliary setup module configured to: one or more items of an output torque peak value, a torque loading gradient, the highest vehicle speed, the intensity of energy recovery and a braking request are set and sent to the whole vehicle controller;
a vehicle control unit configured to: and performing safe driving control corresponding to the control amount according to the received setting information.
As an optional implementation manner, the auxiliary setting module is a vehicle-mounted display module with a key or a touch display module; or the auxiliary setting module is a plurality of keys with different functions.
As an optional implementation manner, the vehicle control unit is in communication with an accelerator pedal opening degree sensor;
a vehicle control unit further configured to: and when the change rate of the accelerator pedal exceeds a first set value and the opening degree of the accelerator pedal is greater than a second set value, judging that the driver illegally steps on the accelerator pedal, and not responding to the acceleration signal.
As an optional implementation manner, after the braking request is set and sent to the vehicle controller;
a vehicle control unit configured to: not in response to any acceleration signal.
As an optional implementation manner, the vehicle control unit is further configured to:
when receiving the hand brake pull-up signal and/or receiving the electronic parking brake signal, no acceleration signal is responded.
As an optional implementation manner, the peak value of the output torque is any value between 20% and 100% of the maximum torque of the vehicle; alternatively, the moment loading gradient is any value between 20% and 100% of the maximum moment loading gradient.
As an optional implementation manner, the maximum vehicle speed is any value between 30km/h and 100km/h, voice prompt is carried out when the vehicle speed reaches the set maximum vehicle speed, and the whole vehicle controller does not respond to an acceleration signal any more; alternatively, the intensity of energy recovery is controlled in the range of 100% to 150% of the maximum energy recovery intensity.
As an optional implementation mode, the vehicle control unit is communicated with the braking system, the motor controller and the vehicle body controller, and the motor controller is in communication connection with the motor.
The invention provides a safe driving control method for a new energy automobile in a second aspect.
A safe driving control method for a new energy automobile comprises the following processes:
receiving one or more items of setting information of an output torque peak value, a torque loading gradient, the highest vehicle speed, the strength of energy recovery and a braking request sent by an auxiliary setting module;
and performing safe driving control corresponding to the control amount according to the received setting information.
As an optional implementation manner, when the opening degree information of the accelerator pedal is received, the change rate of the accelerator pedal exceeds a first set value, and the opening degree of the accelerator pedal is greater than a second set value, it is determined that the driver illegally steps on the accelerator pedal, and the accelerator signal is not responded.
As an alternative implementation, after the braking request is set and sent to the vehicle control unit, no acceleration signal is responded.
As an alternative implementation, when receiving the hand brake pull-up signal and/or receiving the electronic parking brake signal, no acceleration signal is responded.
The invention provides a vehicle control unit in a third aspect.
The vehicle control unit receives one or more items of setting information of an output torque peak value, a torque loading gradient, a highest vehicle speed, the intensity of energy recovery and a braking request sent by an auxiliary setting module;
and performing safe driving control corresponding to the control amount according to the received setting information.
As an optional implementation manner, when the opening degree information of the accelerator pedal is received, the change rate of the accelerator pedal exceeds a first set value, and the opening degree of the accelerator pedal is greater than a second set value, it is determined that the driver illegally steps on the accelerator pedal, and the accelerator signal is not responded.
As an alternative implementation, after the braking request is set and sent to the vehicle control unit, no acceleration signal is responded.
As an alternative implementation, when receiving the hand brake pull-up signal and/or receiving the electronic parking brake signal, no acceleration signal is responded.
The invention provides a new energy automobile in a fourth aspect, which comprises the new energy automobile safe driving control system in the first aspect of the invention; or, the safe driving control method of the new energy automobile is utilized; alternatively, the vehicle control unit according to the third aspect of the present invention is included.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, one or more items of an output torque peak value, a torque loading gradient, a highest vehicle speed, the intensity of energy recovery and a braking request can be set through an auxiliary setting module (such as a vehicle-mounted large screen) and sent to the vehicle control unit; the vehicle control unit can carry out safe driving control corresponding to the control quantity according to the received setting information, can quickly drive self-defined safe setting, and can realize quick control response.
2. The invention can set the driving learning mode through the auxiliary setting module (for example, the driving learning interface of the vehicle-mounted large screen is set), the braking is absolutely preferred, the driver steps on the brake pedal, or the assistant driver operates the braking, pulling up the electronic parking or the hand brake and the like in the driving learning mode, the power system does not respond to the information of the accelerator pedal (namely only braking force and no driving force), and the driving safety in the driving learning mode is further improved.
3. According to the invention, the accelerator pedal stepping speed is identified by adopting the accelerator pedal change rate, when the accelerator pedal change rate exceeds a certain threshold value and the accelerator pedal opening is greater than a certain threshold value, the accelerator pedal is judged to be illegally stepped by the driver, the system does not respond to accelerator pedal information (namely only braking force and no driving force), and the driving safety of the initial driver is further avoided.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic diagram of a safe driving control system of a new energy vehicle according to embodiment 1 of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments of the invention may be combined with each other without conflict.
Example 1:
as shown in fig. 1, embodiment 1 of the present invention provides a safe driving control system for a new energy vehicle, including:
the device comprises a vehicle control unit, a motor controller, an auxiliary setting module (the auxiliary setting module is a vehicle-mounted display module with keys or a touch display module; or the auxiliary setting module is a plurality of keys with different functions, in the embodiment, a DVD large screen is taken as an example), an accelerator pedal opening degree sensor, a braking system (an active increasing function is provided, and if the function is not provided, the braking function is not provided on the large screen) and a vehicle body controller;
wherein the vehicle control unit is configured to: analyzing an accelerator pedal, calculating the magnitude of a torque request, controlling a torque loading gradient, calculating an energy recovery torque, controlling the highest vehicle speed and the like;
an accelerator opening degree sensor configured to: the vehicle-mounted accelerator pedal opening degree monitoring system is connected with a vehicle control unit and used for sending opening degree information of an accelerator pedal to the vehicle control unit;
a braking system configured to: the system is used for sending a vehicle speed signal to the vehicle control unit and sending a braking request sent by the vehicle control unit;
a DVD large screen configured to: sending an allowable output torque peak value, torque loading gradient setting, highest vehicle speed setting, braking deceleration request and energy recovery intensity setting to the whole vehicle controller;
a motor controller configured to: sending the actual working states of the motor controller and the motor to the vehicle controller, receiving a torque request of the vehicle controller, and connecting the motor with the motor controller;
a body controller configured to: and receiving a danger alarm lamp request of the vehicle control unit.
In this embodiment, the DVD large screen is a DVD large screen with a touch function, the DVD large screen is provided with a driving learning mode interface, and parameters for controlling various user requirements of driving of a user can be set in the driving learning mode interface.
When a primary driver just starts to use the vehicle, the primary driver worrys about that the acceleration is too fast due to too large and too fast vehicle power response after the primary driver steps on an accelerator pedal, the primary driver can set the maximum power output (the limit value range is 20% -100% of the original maximum power output) of the vehicle through a large screen, the specific maximum power output limit value can be selected according to specific working conditions, and the detailed description is omitted.
It is understood that the initial driver may set a loading gradient of the driving torque (a limit value range is 20% -100% of the original maximum loading gradient), and a specific limit value of the loading gradient may be selected according to a specific operating condition, which is not described herein again.
It can be understood that the initial driver can also set the maximum speed (the upper limit of the speed is limited to 30-100km/h) that the vehicle can reach, and the speed can be provided with voice or other prompts (for example, a light prompt or an alarm sound prompt can be set) when reaching the set maximum speed, and the speed of stepping on the accelerator pedal is not increased any more; the specific maximum vehicle speed limit may be selected according to specific operating conditions, and will not be described herein.
In this embodiment, a braking switch (a vehicle type of a braking system configured with an active boosting function) is arranged on a driving learning interface of the DVD large screen, the entire vehicle can be controlled to brake at a deceleration of 0.2g to the maximum deceleration, a braking request is made to the braking system in the form of the entire vehicle deceleration through the entire vehicle controller, and the braking system calculates a required braking force and actually executes the required braking force. The braking function setting has the following functions: when the passenger drives and accompanying personnel think that the vehicle needs to be braked due to safety considerations, the vehicle is controlled to decelerate and stop.
In the embodiment, in the driving learning mode, a braking absolute priority strategy is embodied, namely when a pilot driver operates braking on a DVD large screen, an EPB (electronic parking brake system) or a hand brake is pulled up, the request of an accelerator pedal is not responded, so that the braking effect of a vehicle is ensured; when the vehicle is operated to decelerate through a DVD large screen, an EPB (electronic parking brake system) or a hand brake, the vehicle controller requests the vehicle body controller to light a danger alarm lamp, and the vehicle body controller continuously works after being lightened until being manually turned off.
The driving learning interface of the DVD large screen can also set the intensity of energy recovery (the control range is 100% -150%), the energy recovery is set to be stronger, and after a driver releases an accelerator pedal, the vehicle decelerates faster so as to give enough safety feeling to the driver; the specific energy recovery strength limit may be selected according to specific operating conditions, and will not be described herein.
In the designed driving learning mode, whether the driver normally steps on the accelerator pedal is judged according to the change rate of the accelerator pedal and the opening degree of the accelerator pedal, when the change rate of the accelerator pedal is greater than a certain threshold value and the opening degree of the accelerator pedal is greater than a certain threshold value, the system does not respond to the request of the accelerator pedal, and only when the accelerator pedal is completely released and is slowly stepped on again, the system responds to the torque request of the accelerator pedal, so that the safety of a driver at first can be effectively ensured.
The system of the embodiment can set relevant parameters before driving so as to lead the dynamic response of the vehicle to accord with the expectation of a driver; accompanying personnel on the copilot can control the power response speed, the power output size, the speed of a motor vehicle, the energy recovery size, the brake and the like of the vehicle through a large screen in real time according to the characteristics of a driver, and a safety guarantee can be added for the driving of a beginner.
Example 2:
the embodiment 2 of the invention provides a new energy automobile safe driving control method, which comprises the following processes:
receiving one or more items of setting information of an output torque peak value, a torque loading gradient, the highest vehicle speed, the strength of energy recovery and a braking request sent by an auxiliary setting module;
and performing safe driving control corresponding to the control amount according to the received setting information.
Receiving opening information of an accelerator pedal, judging that a driver illegally steps on the accelerator pedal when the change rate of the accelerator pedal exceeds a first set value and the opening of the accelerator pedal is greater than a second set value, and not responding to an acceleration signal;
when the braking request is set and sent to the vehicle control unit, no acceleration signal is responded;
when receiving the hand brake pull-up signal and/or receiving the electronic parking brake signal, no acceleration signal is responded.
The peak value of the output torque is any value between 20% and 100% of the maximum torque of the vehicle, and the specific maximum power output limit value can be selected according to specific working conditions, which is not described again; the torque loading gradient is any value between 20% and 100% of the maximum torque loading gradient, and the specific maximum torque loading gradient limit value can be selected according to specific working conditions, which is not described herein again.
The maximum vehicle speed is any value between 30km/h and 100km/h, voice prompt is carried out when the vehicle speed reaches the set maximum vehicle speed, and the whole vehicle controller does not respond to the acceleration signal any more; the specific maximum vehicle speed may be selected according to a specific working condition, which is not described herein again.
The control range of the intensity of energy recovery is 100% -150% of the highest energy recovery intensity, and the specific control range of the intensity of energy recovery can be selected according to specific working conditions, which are not described again; the energy recovery is set to be stronger, and after the driver releases the accelerator pedal, the vehicle decelerates more quickly so as to give the driver enough safety feeling; the specific energy recovery strength limit may be selected according to specific operating conditions, and will not be described herein.
The method of the embodiment can set relevant parameters before driving so as to lead the dynamic response of the vehicle to accord with the expectation of a driver; accompanying personnel on the copilot can control the power response speed, the power output size, the speed of a vehicle, the energy recovery size, the brake and the like of the vehicle through a large screen in real time according to the characteristics of a driver, and a safety guarantee can be added for the driving of a beginner.
Example 3:
the embodiment 3 of the invention provides a vehicle control unit, which receives one or more setting information of an output torque peak value, a torque loading gradient, a highest vehicle speed, the intensity of energy recovery and a braking request sent by an auxiliary setting module;
and performing safe driving control corresponding to the control amount according to the received setting information.
And receiving the opening information of the accelerator pedal, judging that the driver illegally steps on the accelerator pedal when the change rate of the accelerator pedal exceeds a first set value and the opening of the accelerator pedal is greater than a second set value, and not responding to an acceleration signal.
When the braking request is set and sent to the vehicle control unit, no acceleration signal is responded.
When receiving the hand brake pull-up signal and/or receiving the electronic parking brake signal, no acceleration signal is responded.
The peak value of the output torque is any value between 20% and 100% of the maximum torque of the vehicle, and the specific maximum power output limit value can be selected according to specific working conditions, which is not described again; the torque loading gradient is any value between 20% and 100% of the maximum torque loading gradient, and the specific maximum torque loading gradient limit value can be selected according to specific working conditions, which is not described herein again.
The maximum vehicle speed is any value between 30km/h and 100km/h, voice prompt is carried out when the vehicle speed reaches the set maximum vehicle speed, and the whole vehicle controller does not respond to an acceleration signal any more; the specific maximum vehicle speed can be selected according to specific working conditions, and is not described in detail herein.
The control range of the intensity of energy recovery is 100% -150% of the highest energy recovery intensity, and the specific control range of the intensity of energy recovery can be selected according to specific working conditions, which is not described herein again. The energy recovery is set to be stronger, and after the driver releases the accelerator pedal, the vehicle decelerates faster so as to give the driver enough safety feeling; the specific energy recovery strength limit may be selected according to specific operating conditions, and will not be described herein.
The vehicle control unit can set relevant parameters before driving so that the power response of the vehicle meets the expectation of a driver; accompanying personnel on the copilot can control the power response speed, the power output size, the speed of a vehicle, the energy recovery size, the brake and the like of the vehicle in real time according to the characteristics of a driver, and can add a safety guarantee for the driving of a beginner.
Example 4:
embodiment 4 of the present invention provides a new energy vehicle, including the new energy vehicle safe driving control system described in embodiment 1 of the present invention; or, the safe driving control method of the new energy automobile in embodiment 2 of the invention is utilized; or, the vehicle control unit according to embodiment 3 of the present invention is included.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by a computer program, which may be stored in a computer readable storage medium and executed by a computer to implement the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (17)

1. The utility model provides a new energy automobile safe driving control system which characterized in that:
at least comprises the following steps: the vehicle-mounted display system comprises a vehicle control unit and a vehicle-mounted display module communicated with the vehicle control unit;
an auxiliary setup module configured to: one or more items of an output torque peak value, a torque loading gradient, the highest vehicle speed, the intensity of energy recovery and a braking request are set and sent to the whole vehicle controller;
a vehicle control unit configured to: and performing safe driving control corresponding to the control amount according to the received setting information.
2. The safe driving control system of the new energy automobile as claimed in claim 1, characterized in that:
the auxiliary setting module is a vehicle-mounted display module or a touch display module with keys; or the auxiliary setting module is a plurality of keys with different functions.
3. The safe driving control system of the new energy automobile as claimed in claim 1, characterized in that:
the whole vehicle controller is communicated with an accelerator pedal opening sensor;
a vehicle control unit further configured to: and when the change rate of the accelerator pedal exceeds a first set value and the opening degree of the accelerator pedal is greater than a second set value, judging that the driver illegally steps on the accelerator pedal, and not responding to the acceleration signal.
4. The safe driving control system of the new energy automobile according to claim 1, characterized in that:
when the braking request is set and sent to the vehicle control unit;
a vehicle control unit configured to: not in response to any acceleration signal.
5. The safe driving control system of the new energy automobile according to claim 1, characterized in that:
a vehicle control unit further configured to:
when the hand brake pull-up signal is received and/or the electronic parking brake signal is received, no acceleration signal is responded.
6. The safe driving control system of the new energy automobile according to claim 1, characterized in that:
the peak value of the output torque is any value between 20% and 100% of the maximum torque of the vehicle; alternatively, the moment loading gradient is any value between 20% and 100% of the maximum moment loading gradient.
7. The safe driving control system of the new energy automobile according to claim 1, characterized in that:
the maximum vehicle speed is any value between 30km/h and 100km/h, voice prompt is carried out when the vehicle speed reaches the set maximum vehicle speed, and the whole vehicle controller does not respond to an acceleration signal any more; alternatively, the intensity of energy recovery is controlled in the range of 100% to 150% of the maximum energy recovery intensity.
8. The safe driving control system of the new energy automobile according to claim 1, characterized in that:
the vehicle control unit is communicated with the braking system, the motor controller and the vehicle body controller, and the motor controller is communicated with the motor.
9. A safe driving control method of a new energy automobile is characterized by comprising the following steps:
the method comprises the following steps:
receiving one or more items of setting information of an output torque peak value, a torque loading gradient, the highest vehicle speed, the strength of energy recovery and a braking request sent by an auxiliary setting module;
and performing safe driving control corresponding to the control amount according to the received setting information.
10. The safe driving control method of the new energy automobile according to claim 9, characterized in that:
and receiving the opening information of the accelerator pedal, judging that the driver illegally steps on the accelerator pedal when the change rate of the accelerator pedal exceeds a first set value and the opening of the accelerator pedal is greater than a second set value, and not responding to an acceleration signal.
11. The safe driving control method of the new energy automobile according to claim 9, characterized in that:
when the braking request is set and sent to the vehicle control unit, no acceleration signal is responded.
12. The safe driving control method for the new energy automobile according to claim 9, characterized in that:
when receiving the hand brake pull-up signal and/or receiving the electronic parking brake signal, no acceleration signal is responded.
13. A vehicle control unit is characterized in that:
receiving one or more items of setting information of an output torque peak value, a torque loading gradient, the highest vehicle speed, the strength of energy recovery and a braking request sent by an auxiliary setting module;
and performing safe driving control corresponding to the control amount according to the received setting information.
14. The vehicle control unit of claim 13, wherein:
and receiving the opening information of the accelerator pedal, judging that the driver illegally steps on the accelerator pedal when the change rate of the accelerator pedal exceeds a first set value and the opening of the accelerator pedal is greater than a second set value, and not responding to an acceleration signal.
15. The vehicle control unit of claim 13, wherein:
when the braking request is set and sent to the vehicle control unit, no acceleration signal is responded.
16. The vehicle control unit of claim 13, wherein:
when receiving the hand brake pull-up signal and/or receiving the electronic parking brake signal, no acceleration signal is responded.
17. The utility model provides a new energy automobile which characterized in that: the safe driving control system of the new energy automobile comprises the safe driving control system of the new energy automobile of any one of claims 1-8; or, the safe driving control method of the new energy automobile according to any one of claims 9 to 12 is used; alternatively, a vehicle control unit according to claims 13-16 is included.
CN202210926598.1A 2022-08-03 2022-08-03 New energy automobile safe driving control system and method and new energy automobile Pending CN115071431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210926598.1A CN115071431A (en) 2022-08-03 2022-08-03 New energy automobile safe driving control system and method and new energy automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210926598.1A CN115071431A (en) 2022-08-03 2022-08-03 New energy automobile safe driving control system and method and new energy automobile

Publications (1)

Publication Number Publication Date
CN115071431A true CN115071431A (en) 2022-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210926598.1A Pending CN115071431A (en) 2022-08-03 2022-08-03 New energy automobile safe driving control system and method and new energy automobile

Country Status (1)

Country Link
CN (1) CN115071431A (en)

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