CN107117149A - A kind of electronics P grades of acting urgent braking systems and its method - Google Patents
A kind of electronics P grades of acting urgent braking systems and its method Download PDFInfo
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- CN107117149A CN107117149A CN201710227995.9A CN201710227995A CN107117149A CN 107117149 A CN107117149 A CN 107117149A CN 201710227995 A CN201710227995 A CN 201710227995A CN 107117149 A CN107117149 A CN 107117149A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
- B60T8/17558—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve specially adapted for collision avoidance or collision mitigation
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention provides a kind of electronics P grades of acting urgent braking systems, including：Brake pedal, P grades of buttons of electronics, central control unit, electronics hand brake system, body electronics systems stabilisation and actuator；The central control unit, the triggering information for trampling information and the electronics P grades of buttons for receiving the brake pedal, and the electronics hand brake system and body electronics systems stabilisation are sent a command signal to according to the triggering information for trampling P grades of buttons of information and electronics of brake pedal；The electronics hand brake system and the body electronics systems stabilisation send after the command signal of the central control unit is received and perform signal to the actuator, brake is performed by the actuator.Meanwhile, present invention also offers a kind of method applied to P grades of acting urgent braking systems of electronics.
Description
Technical field
The present invention relates to electric automobiles, particularly a kind of electronics P grades of acting urgent braking systems and its method.
Background technology
Existing automobile, when experience emergency needs to stop car in most short distance, equipped with ESP
On the automobile of (body electronics systems stabilisation), driver only need to step on brake pedal by continuing firmly pin, by the braking of generation
Power makes vehicle wheel rotational speed be reduced to greatest extent within the shortest time, when wheel tends to locking, ABS (anti-lock brake systems
System) anti-lock regulation can be carried out to the brake pressure for tending to locking wheel, a timing is reduced to until speed is braked, ABS is just
The regulation of ANTI LOCK pressure can be stopped automatically, into conventional brake, until vehicle shutdown, it is to avoid danger occurs.
However, for current technology, when meeting with emergency, driver is only capable of stepping on brake pedal generation by pin
Brake force reduces speed, if apart from too short or driver because it is overstretched cause pedal force not enough in the case of, this
The brake force that the method for kind is provided may be insufficient to allow speed to be lowered within the shortest time, cause meet with dangerous preceding automobile not
It can stop.This just makes occupant face a danger because of poor stop.
The content of the invention
It is an object of the invention to the shortcoming and deficiency for overcoming prior art, there is provided a kind of electronics P grades of emergency braking systems
System and its method.
The present invention is realized by following scheme：A kind of electronics P grades of acting urgent braking systems, including：Brake pedal, electronics P
Shelves button, central control unit, electronics hand brake system, body electronics systems stabilisation and actuator；
The central control unit, touching for information and the electronics P grades of buttons is trampled for receive the brake pedal
Photos and sending messages, and the electronics is sent a command signal to according to the triggering information for trampling P grades of buttons of information and electronics of brake pedal
Hand brake system and body electronics systems stabilisation；
The electronics hand brake system and the body electronics systems stabilisation are receiving the instruction of the central control unit
After signal, send and perform signal to the actuator, brake is performed by the actuator.
As a further improvement on the present invention, the central control unit includes P grades of button trigger signal receiving modules, speed
Spend detection module, brake pedal information receiving module and command signal sending module；
The P grades of button trigger signal receiving module, the triggering information for receiving the electronics P grades of buttons, works as detection
When being in down state to the P grades of button, then current vehicle speed is detected by the velocity measuring module；If current vehicle
When speed is less than setting speed, then it is judged as normal parked state, and braking instruction is sent by the command signal sending module
Signal is braked to the electronics hand brake system by the electronics hand brake system；
If current vehicle speed is more than setting speed, stepping on for the brake pedal is received by brake pedal information receiving module
Step on information；If current brake pedal is in and does not step on state, do not process,
If current brake pedal is in and steps on state, P gears are pressed again by the P grades of button trigger signal receiving module
The state of button is received, if now the P grades of button is in no down state, is not processed,
If presently described P grades of button down state, it is judged as emergency braking condition, and send by the command signal
Module sends brake hard command signal to electronics hand brake system and body electronics systems stabilisation simultaneously.
As a further improvement on the present invention, in addition to supplemental button；The central control unit includes supplemental button shape
State detection module, is detected for the state to supplemental button；When the supplemental button state detection module detects auxiliary
Button is in down state, and the P grades of button trigger signal receiving module detects P grades of buttons while in down state
When, then it is judged as emergency braking condition, and brake hard command signal is sent extremely by the command signal sending module simultaneously
Electronics hand brake system and body electronics systems stabilisation.
As a further improvement on the present invention, when in normal parked state, the electronics hand brake system passes through measurement
The gradient calculates current desired brake force and braked automatically；When in emergency braking condition, the electronics hand brake system is adopted
The brake force of maximum is taken to be braked.
As a further improvement on the present invention, the speed that sets is 10km/h.
Present invention also offers a kind of electronics P grades of emergency brake methods, comprise the following steps：
Step S1：Receive the triggering information for trampling P grades of buttons of information and electronics of brake pedal；
Step S2：Institute is sent a command signal to according to the triggering information for trampling P grades of buttons of information and electronics of brake pedal
State electronics hand brake system and body electronics systems stabilisation；
Step S3：The electronics hand brake system and the body electronics systems stabilisation are sent after command signal is received
Signal is performed to actuator, brake is performed by the actuator.
As a further improvement on the present invention, specifically included in the step S2：
S21：The triggering information of the electronics P grades of buttons is received, when detecting the P grades of button in down state,
Then perform step S22；
S22：Current vehicle speed is detected；If current vehicle speed is less than setting speed, it is judged as normal parked state,
And brake command signal is sent to electronics hand brake system, braked by the electronics hand brake system；If current vehicle speed is more than
When setting speed, step S23 is performed；
S23：Receive the brake pedal tramples information；If current brake pedal is in and does not step on state, do not do
Processing；If current brake pedal is in and steps on state, next step is performed；
S24：The P states for keeping off button are received again, if now the P grades of button is in no down state, no
Process, if presently described P grades of button down state, is judged as emergency braking condition, and send brake hard command signal
To electronics hand brake system and body electronics systems stabilisation.
As a further improvement on the present invention, in the step S21, in addition to step：State to supplemental button is carried out
Detection；Down state is in when detecting supplemental button, and is detected simultaneously by P grades of buttons while when being in down state, then sentencing
Break as emergency braking condition, and send brake hard command signal simultaneously to electronics hand brake system and body electronics systems stabilisation.
As a further improvement on the present invention, when in normal parked state, the electronics hand brake system passes through measurement
The gradient calculates current desired brake force and braked automatically；When in emergency braking condition, the electronics hand brake system is adopted
The brake force of maximum is taken to be braked.
As a further improvement on the present invention, the speed that sets is 10km/h.
Compared to prior art, the present invention is stepped on using electronics hand brake system, body electronics systems stabilisation (ESP) and brake
The existing on-vehicle parts such as plate sensor, the shape from P grades of buttons and brake pedal sensor is received by central control unit
State information, and information is handled and judged.After the judgement by central control unit, if drawing promptly to be stopped
The result of car, central control unit can send instruction, and electronics hand brake system can be responded, and maximum braking is produced in moment
Power, while body electronics systems stabilisation (ESP system) can also make a response, prevents electronics hand brake system from producing excessive brake force
Wheel lock up is caused, but four wheels are braked with the dynamics of slightly smaller than all one's effort, to ensure riding stability.
In order to more fully understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Brief description of the drawings
Fig. 1 is the connection block diagram of P grades of acting urgent braking systems of electronics of the present invention.
Fig. 2 is the internal module block diagram of the central control unit of the present invention.
Fig. 3 is the step flow chart of P grades of emergency brake methods of electronics of the present invention.
Fig. 4 is step S2 specific process chart.
Embodiment
With reference to embodiments and accompanying drawing the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
The present invention is only capable of reducing by the brake force that pin steps on brake pedal generation to solve driver in the prior art
Speed and lead to not the technological deficiency of Quick brake there is provided a kind of electronics P grades of acting urgent braking systems and method, especially by
Following examples are introduced.
Referring to Fig. 1, its connection block diagram for P grades of acting urgent braking systems of electronics of the present invention.The invention provides one kind
P grades of acting urgent braking systems of electronics, including：Brake pedal 1, P grades of buttons 2 of electronics, supplemental button 3, central control unit 4, electronics
Hand brake system 5, body electronics systems stabilisation 6 and actuator 7.
The central control unit 4, information, electronics P grades of buttons 2 and are trampled for receive the brake pedal 1
The triggering information of the supplemental button 3, and touching for information, P grades of buttons 2 of electronics and supplemental button 3 is trampled according to brake pedal 1
Photos and sending messages send a command signal to the electronics hand brake system 5 and body electronics systems stabilisation 6.
The electronics hand brake system 5 and the body electronics systems stabilisation 6 are receiving the finger of the central control unit
Make after signal, send and perform signal to the actuator 7, brake is performed by the actuator.
Further please refer to Fig. 2, it is the internal module block diagram of the central control unit of the present invention.The center control
Unit 4 processed includes P grades of button trigger signal receiving modules 41, velocity measuring module 42, brake pedal information receiving module 43, referred to
Make signal transmitting module 44 and supplemental button state detection module 45.
The P grades of button trigger signal receiving module 41, the triggering information for receiving the electronics P grades of buttons 2, works as inspection
When measuring the P grades of button in down state, then current vehicle speed is detected by the velocity measuring module 42.If working as
When preceding speed is less than setting speed, then it is judged as normal parked state, and braking is sent by the command signal sending module
Command signal is braked to the electronics hand brake system by the electronics hand brake system.Specifically, institute in the present embodiment
State and set speed as 10km/h.
If current vehicle speed is more than setting speed, the brake pedal is received by brake pedal information receiving module 43
Information is trampled, if current brake pedal, which is in, does not step on state, is not processed.
If current brake pedal is in and steps on state, P is kept off again by the P grades of button trigger signal receiving module 41
The state of button is received, if now the P grades of button is in no down state, is not processed.
If presently described P grades of button down state, it is judged as emergency braking condition, and send by the command signal
Module 44 sends brake hard command signal to electronics hand brake system 5 and body electronics systems stabilisation 6 simultaneously.
Further, the supplemental button state detection module 45, is detected for the state to supplemental button.When described
Supplemental button state detection module 45 detects supplemental button and is in down state, and the P grades of button trigger signal receives mould
Block 41 detects P grades of buttons while when being in down state, being then judged as emergency braking condition, and send out by the command signal
Module 44 is sent while sending brake hard command signal to electronics hand brake system 5 and body electronics systems stabilisation 6.
Wherein, when in normal parked state, the electronics hand brake system 5 calculates current institute automatically by measuring the gradient
The brake force needed is braked；When in emergency braking condition, the electronics hand brake system 5 takes the brake force of maximum to carry out
Braking.
In order to overcome the shortcoming of above-mentioned prior art, the present invention utilizes electronics hand brake system, body electronics systems stabilisation ESP
And the existing on-vehicle parts such as brake pedal sensor, received by central control unit and come from P grades of buttons and brake pedal
The status information of sensor, and information is handled and judged.After the judgement by central control unit, if drawing needs
The result of emergency brake is carried out, central control unit can send instruction, and electronics hand brake system can be responded, produced most in moment
Big brake force, while ESP system can also make a response, prevents electronics hand brake system from producing excessive brake force and causing wheel to embrace
Extremely, but four wheels are braked with the dynamics of slightly smaller than all one's effort, to ensure riding stability.
If usually normally use parking braking, system can calculate the gradient by longitudinal acceleration sensor, electricity
Sub- hand brake system only needs to provide it is sufficient to can prevent the brake force slipped after vehicle under this gradient.But when experience emergency
When, then need electronics hand brake system to provide maximum brake force, so as to ensure most short braking distance.Therefore in the present invention will
Electronics hand brake system is divided into two kinds of working conditions：Normal parking braking state and emergency braking condition.
Please refer to Fig. 3, it is the step flow chart of P grades of emergency brake methods of electronics of the present invention.The above-mentioned electricity of correspondence
Sub- P grades of emergency automatic system, present invention also offers a kind of electronics P grades of emergency brake methods, comprises the following steps：
S1：Receive the triggering information for trampling P grades of buttons of information and electronics of brake pedal；
S2：The electricity is sent a command signal to according to the triggering information for trampling P grades of buttons of information and electronics of brake pedal
Sub- hand brake system and body electronics systems stabilisation.
Specifically please refer to Fig. 4, it is this step S2 specific process chart.Specifically wrapped in the step S2
Include：
S21：The triggering information and supplemental button information of the electronics P grades of buttons are received, is in when detecting supplemental button
Down state, and P grades of buttons are detected simultaneously by while when being in down state, be then judged as emergency braking condition, and send out simultaneously
Brake hard command signal is sent to electronics hand brake system and body electronics systems stabilisation；When detect P grades of buttons of electronics be in press
Lower state, and supplemental button is in when not having down state, performs next step.
S22：Current vehicle speed is detected；If current vehicle speed is less than setting speed, it is judged as normal parked state,
And brake command signal is sent to electronics hand brake system, braked by the electronics hand brake system；If current vehicle speed is more than
When setting speed, step S23 is performed.Specifically, the speed that sets is 10km/h.
S23：Receive the brake pedal tramples information；If current brake pedal is in and does not step on state, do not do
Processing；If current brake pedal is in and steps on state, next step is performed.
S24：The P states for keeping off button are received again, if now the P grades of button is in no down state, no
Process, if presently described P grades of button down state, is judged as emergency braking condition, and send brake hard command signal
To electronics hand brake system and body electronics systems stabilisation.
Wherein, in the present embodiment, when in normal parked state, the electronics hand brake system is by measuring the gradient certainly
The current desired brake force of dynamic calculating is braked.When in emergency braking condition, the electronics hand brake system takes maximum
Brake force braked.
S3：The electronics hand brake system and the body electronics systems stabilisation send and performed after command signal is received
Signal performs brake to actuator by the actuator.
Below by way of an example, the application scenarios of the P grades of acting urgent braking systems of electronics of the present invention are introduced：
When driving, if barrier occurs suddenly in front, driver is accomplished by carrying out hard brake stop.And
In current technology, driver can be stopped in emergency by continuing firmly to trample brake pedal, it is likely that because apart from mistake
It is short, brake force is not enough and before barrier is bumped against car can not be made to stop.
And working as the vehicle of acting urgent braking system by being configured with the P of the present invention, driver can just slam brake pedal
And hold with a firm grip steering wheel while, P grades of buttons of electronics are pinned with hand, system, which just will recognise that, is currently under emergency, then
Electronics hand brake system and ESP system will add braking procedure, so as to increase brake force to greatest extent, and ensure the steady of vehicle
Fixed traveling, enables automobile to be stopped before barrier is knocked, and protects the personal safety as well as the property safety of occupant.
And as another preferred scheme, many supplemental buttons can be configured in addition, while press P grade buttons of electronics with
Supplemental button, then system, which just will recognise that, is currently under emergency, and then electronics hand brake system and ESP system will be added
Braking procedure.
Compared to prior art, the present invention can provide maximum using electronics hand brake system (P grades of electronics) within the shortest time
Brake force advantage, while body electronics systems stabilisation (ESP system) can prevent again electronics hand brake system because excessively braking lead
Wheel lock up is caused, so as to ensure the riding stability of vehicle under brake hard, both synergies are realized in emergency circumstances
Brake stop, in maximum protect occupant personal safety as well as the property safety.And the implementation of this scheme simultaneously need not
Extra component is added for automobile, the overall manufacturing cost to automobile will not produce big influence, can increase the peace of automobile again
Overall coefficient.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of electronics P grades of acting urgent braking systems, it is characterised in that：Including：Brake pedal, P grades of buttons of electronics, center control are single
Member, electronics hand brake system, body electronics systems stabilisation and actuator；
The central control unit, the triggering letter for trampling information and the electronics P grades of buttons for receiving the brake pedal
Breath, and the electronics parking brake is sent a command signal to according to the triggering information for trampling P grades of buttons of information and electronics of brake pedal
System and body electronics systems stabilisation；
The electronics hand brake system and the body electronics systems stabilisation are receiving the command signal of the central control unit
Afterwards, send and perform signal to the actuator, brake is performed by the actuator.
2. electronics P grades of acting urgent braking systems according to claim 1, it is characterised in that：The central control unit includes P grades
Button trigger signal receiving module, velocity measuring module, brake pedal information receiving module and command signal sending module；
The P grades of button trigger signal receiving module, the triggering information for receiving the electronics P grades of buttons, when detecting
When stating P grades of buttons in down state, then current vehicle speed is detected by the velocity measuring module；If current vehicle speed is small
When speed is set, then it is judged as normal parked state, and brake command signal is sent by the command signal sending module
To the electronics hand brake system, braked by the electronics hand brake system；
If current vehicle speed is more than setting speed, letter is trampled by the brake pedal information receiving module reception brake pedal
Breath；If current brake pedal is in and does not step on state, do not process,
If current brake pedal is in and steps on state, button is kept off to P by the P grades of button trigger signal receiving module again
State is received, if now the P grades of button is in no down state, is not processed,
If presently described P grades of button down state, it is judged as emergency braking condition, and pass through the command signal sending module
Brake hard command signal is sent simultaneously to electronics hand brake system and body electronics systems stabilisation.
3. electronics P grades of acting urgent braking systems according to claim 2, it is characterised in that：Also include supplemental button；The center
Control unit includes supplemental button state detection module, is detected for the state to supplemental button；When the supplemental button
State detection module detects supplemental button and is in down state, and the P grades of button trigger signal receiving module detects P grades
When button is in down state simultaneously, then it is judged as emergency braking condition, and send out simultaneously by the command signal sending module
Brake hard command signal is sent to electronics hand brake system and body electronics systems stabilisation.
4. electronics P grades of acting urgent braking systems according to claim 2, it is characterised in that：When in normal parked state, institute
State electronics hand brake system and calculate current desired brake force automatically by measuring the gradient and braked；When in emergency braking condition
When, the electronics hand brake system takes the brake force of maximum to be braked.
5. electronics P grades of acting urgent braking systems according to claim 2, it is characterised in that：The speed that sets is 10km/h.
6. a kind of electronics P grades of emergency brake methods, it is characterised in that：Comprise the following steps：
Step S1：Receive the triggering information for trampling P grades of buttons of information and electronics of brake pedal；
Step S2：The electricity is sent a command signal to according to the triggering information for trampling P grades of buttons of information and electronics of brake pedal
Sub- hand brake system and body electronics systems stabilisation；
Step S3：The electronics hand brake system and the body electronics systems stabilisation send and performed after command signal is received
Signal performs brake to actuator by the actuator.
7. electronics P grades of emergency brake methods according to claim 6, it is characterised in that：Specifically included in the step S2：
S21：The triggering information of the electronics P grades of buttons is received, when detecting the P grades of button in down state, is then held
Row step S22；
S22：Current vehicle speed is detected；If current vehicle speed is less than setting speed, it is judged as normal parked state, concurrently
Send brake command signal to electronics hand brake system, braked by the electronics hand brake system；If current vehicle speed is more than setting
During speed, step S23 is performed；
S23：Receive the brake pedal tramples information；If current brake pedal is in and does not step on state, do not process；
If current brake pedal is in and steps on state, next step is performed；
S24：The P states for keeping off button are received again, if now the P grades of button is in no down state, does not do and locates
Reason, if presently described P grades of button down state, is judged as emergency braking condition, and send brake hard command signal to electricity
Sub- hand brake system and body electronics systems stabilisation.
8. electronics P grades of emergency brake methods according to claim 7, it is characterised in that：In the step S21, in addition to step
Suddenly：State to supplemental button is detected；Down state is in when detecting supplemental button, and is detected simultaneously by P grades of buttons
When simultaneously in down state, then it is judged as emergency braking condition, and sends brake hard command signal simultaneously to electronics parking brake
System and body electronics systems stabilisation.
9. electronics P grades of emergency brake methods according to claim 7, it is characterised in that：When in normal parked state, institute
State electronics hand brake system and calculate current desired brake force automatically by measuring the gradient and braked；When in emergency braking condition
When, the electronics hand brake system takes the brake force of maximum to be braked.
10. electronics P grades of emergency brake methods according to claim 7, it is characterised in that：The speed that sets is 10km/h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710227995.9A CN107117149A (en) | 2017-04-10 | 2017-04-10 | A kind of electronics P grades of acting urgent braking systems and its method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710227995.9A CN107117149A (en) | 2017-04-10 | 2017-04-10 | A kind of electronics P grades of acting urgent braking systems and its method |
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| CN107985283A (en) * | 2017-12-07 | 2018-05-04 | 奇瑞商用车（安徽）有限公司 | P based on EPB-ESP linkages keeps off automatic parking control method |
| CN108422899A (en) * | 2018-03-09 | 2018-08-21 | 安徽安凯汽车股份有限公司 | A kind of triple brake safes protection system and methods of new-energy automobile |
| CN111469830A (en) * | 2019-01-24 | 2020-07-31 | 广州汽车集团股份有限公司 | Electronic parking control method, device, controller, system and vehicle |
| CN112193238A (en) * | 2019-07-08 | 2021-01-08 | 本田技研工业(中国)投资有限公司 | Parking assisting method and system |
| CN113848935A (en) * | 2021-10-12 | 2021-12-28 | 广州小鹏自动驾驶科技有限公司 | Braking method, device and system for remote driving |
| CN115195678A (en) * | 2022-08-10 | 2022-10-18 | 阿波罗智能技术(北京)有限公司 | Emergency braking device, control method thereof and automatic driving vehicle |
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| CN113848935A (en) * | 2021-10-12 | 2021-12-28 | 广州小鹏自动驾驶科技有限公司 | Braking method, device and system for remote driving |
| CN115195678A (en) * | 2022-08-10 | 2022-10-18 | 阿波罗智能技术(北京)有限公司 | Emergency braking device, control method thereof and automatic driving vehicle |
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