CN108216031A - A kind of automobile door opening bump-proof system - Google Patents
A kind of automobile door opening bump-proof system Download PDFInfo
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- CN108216031A CN108216031A CN201810251944.4A CN201810251944A CN108216031A CN 108216031 A CN108216031 A CN 108216031A CN 201810251944 A CN201810251944 A CN 201810251944A CN 108216031 A CN108216031 A CN 108216031A
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- 210000003205 muscle Anatomy 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Emergency Alarm Devices (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of automobile door opening bump-proof system, including measuring instrumentss, for obtaining the touching information of interior door handle and the velocity information of car and obstruction；Microprocessor, microprocessor is connect with measuring instrumentss, analog signal for measuring instrumentss to be obtained to touching information and velocity information is converted into digital signal, and export warning after the digital signal of velocity information and the default value being arranged inside are compared and perform signal；Alarming device, alarming device are connect with microprocessor, for receiving warning execution signal and starting alarming device.The present invention is using singlechip technology under conditions of the intrinsic device of automobile and circuit is not changed, rear obstacle velocity information is obtained when this vehicle speed is less than setting numerical value, and when touch sensor gets touching signal, microprocessor output warning performs signal, the method of modes united application is fallen etc. to ensure passenger safety by double sudden strains of a muscle, voice prompt, door lock, is avoided accidents.
Description
Technical field
The present invention relates to traffic safety technology field, more particularly to a kind of automobile door opening bump-proof system.
Background technology
At present, vehicle safety is increasingly paid attention to by consumers in general, not only shows the protection side to driver and passenger
Face, while the protection aspect of the people in traffic environment and non power driven vehicle are also being strengthened, especially because driver and passenger open the door
Do not pay attention to observing rear vehicle condition and being eager to open the door when getting off, the electric vehicle travelled below, bicycle is caused to be hidden too late, conclusion of the business of drying in the air
Logical safety accident, even relates to life danger.
Enabling anti-collision warning system is precisely in order to the active safety technologies that such accident is avoided to occur and is developed.At present
Enabling anti-collision warning system is mainly realized using two ways：One kind is to realize vehicle by visual observation using vision camera
Rear area detects, and the detection range of this mode is limited, low precision and easily by various such environmental effects；Another is
Rear view of vehicle region is detected using Radar Technology, the detection range of the technology is remote, precision is high and not by environmental factor
Influence, at present overwhelming majority enabling anti-collision warning systems be all using CW with frequency modulation millimetre-wave radar realize target it is opposite away from
Measurement from, orientation angles and speed, but the control system of the current this enabling anti-collision warning system based on Radar Technology
System design too complex, and control accuracy is poor, cannot accurately carry out anti-collision early warning, and higher price in most cases,
The market competitiveness is poor.
Therefore, how to provide a kind of high automobile door opening bump-proof system of degree of safety is those skilled in the art's urgent need to resolve
Problem.
Invention content
In view of this, the present invention provides a kind of automobile door opening bump-proof system, using microcontroller not change automobile intrinsic
Under conditions of device and circuit, simplify the detection to vehicle periphery situation, in numerical value of this vehicle speed less than setting, obtain vehicle
Barrier velocity information afterwards, and the method for modes united application is fallen etc. to ensure vehicle by double sudden strains of a muscle, voice prompt, door lock
Main and passenger safety.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of automobile door opening bump-proof system, which is characterized in that including：
Measuring instrumentss, for obtaining the touching information of interior door handle and the velocity information of car and obstruction；
Microprocessor, the microprocessor are connect with the measuring instrumentss, for the measuring instrumentss to be obtained touching letter
The analog signal of breath and velocity information is converted into digital signal, and the digital signal of the velocity information is pre- with being arranged inside
Output warning performs signal after if numerical value is compared；
Alarming device, the alarming device are connect with the microprocessor, for receiving the warning execution signal and opening
Dynamic alarming device.
Advantageous effect using the above scheme is, compared with prior art, automobile door opening anticollision system provided by the present invention
System innovation based on car door touch sensor obtain touching information come control warning perform signal generation, and using this vehicle speed as
The opening and closing premise of entire anti-collision system；And when touch sensor gets touching signal, microprocessor starts to get
The velocity information of car and obstruction and the default value built in it are compared output warning and perform signal, and alarming device, which receives, warns
Show and perform signal and start；The present invention realizes high-precision enabling anti-collision alarm control, is not influenced, improved by environmental factor
The safe class of driver and passenger.
Preferably, the measuring instrumentss include touch sensor and ultrasonic sensor, and the touch sensor obtains vehicle
The touching information of inside door handle；The ultrasonic sensor is used to obtain the velocity information of car and obstruction.
Preferably, the microprocessor includes Chip Microcomputer A, microcontroller B and microcontroller C, the Chip Microcomputer A and the touching
Sensor connects, and the touching information for that will obtain interior door handle is converted into the digital signal of touching information；
The microcontroller B is connect with the ultrasonic sensor, for the analog signal of velocity information to be converted into number
Signal；
The microcontroller C receives the digital signal of the microcontroller B picking rate information, and works as and receive the microcontroller
During the digital signal of the touching information of A, by the digital signal of the microcontroller B picking rate information and the present count being arranged inside
Output warning performs signal after value is compared；
The microcontroller C is connect with alarming device, for that will receive warning execution signal and alarming device is controlled to start.
Preferably, alarming device includes the double sudden strain of a muscle control circuits of speech ciphering equipment, car light and centrally controrlled locking system control circuit, institute's predicate
Double control circuit and the centrally controrlled locking system control circuits of dodging of sound equipment, car light are connected with microcontroller B communications.
Preferably, the anti-collision system is additionally provided with display, and the display connect with the microcontroller B, is used for
Show the distance and and its velocity information of barrier.
Advantageous effect using the above scheme is that driver and passenger can be clearly seen that vehicle in this car by display module
Traffic information afterwards is further ensured that the safety of driver and passenger.
A kind of method for the automobile door opening anticollision that automobile door opening bump-proof system carries out, includes the following steps：
S100：When this vehicle travel speed is less than preset vehicle speed, obstacle after the touching information and vehicle of the interior door handle of acquisition
The velocity information of object；
S101：The analog signal that the measuring instrumentss are obtained to touching information and velocity information is converted into digital signal；
S102:The digital signal for touching information and velocity information is sent to the microprocessor；
S103:The digital signal of the velocity information is compared rear defeated with the default value set in the microprocessor
Go out warning and perform signal；
S104：The warning that alarming device receives microprocessor output performs signal and starts.
Preferably, when the digital signal of the velocity information of the barrier is more than the default value, alarming device is held
The double sudden strains of a muscle of this vehicle of row car light, interior voice prompt and centrally controrlled locking system locking car door.
Preferably, when the digital signal of the velocity information of the barrier is less than the default value, alarming device is held
The double sudden strains of a muscle of this vehicle of row car light or the double sudden strains of a muscle of car light interior voice prompt simultaneously.
Preferably, it is further included after S104：The judgement of S101 to S104 is repeated, and when this vehicle speed is higher than setting
Under speed or halted state, closing automobile enabling anti-collision system master switch, the master switch controls measuring instrumentss and microprocessor
Unlatching.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of automobile door openings to prevent
System is hit, based on single chip computer device and radar for backing car, in the case where not changing interior circuit, is simplified to vehicle periphery situation
Detection, it is at low cost and more safe secure.
The present invention is based on touch sensors, radar for backing car combination microcontroller warning to be controlled to perform the generation of signal, and will
Opening and closing premise of the speed of this vehicle as entire anti-collision system, when detecting that this vehicle speed is less than setting speed value, automobile is opened
Door anti-collision system starts, and ultrasonic sensor detects the velocity information of car and obstruction, and microcontroller B is by the simulation of velocity information
Signal is converted into digital signal, and after touch sensor obtains touching signal, microcontroller B is super based on ultrasonic transmitter
Sound wave tranmitting frequency, the moment determines the velocity information of rear obstacle, and will be set in the digital signal of velocity information and microcontroller C
Output warning performs signal after the default value put is compared, and alarming device, which is received after warning performs signal, to be started, and is taken pair
The measure answered reaches the warning effect to driver and passenger and car and obstruction；For the prior art, the present invention can expire
The practical enabling warning scene demand of sufficient vehicle, visual alarm and sound sensation alarm are combined, and can in emergency circumstances fall automatically
Lower door lock, improves warning safe rank, more ensures that driver and passenger open the door in the case of overall safety and gets off, it is therefore prevented that
The generation of car door collision accident.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawings are a kind of flow frame diagram of automobile door opening bump-proof system provided by the invention；
Fig. 2 attached drawings are a kind of avoiding collision flow chart of automobile door opening bump-proof system provided by the invention；
Fig. 3 attached drawings are a kind of structural framing figure of automobile door opening bump-proof system provided in an embodiment of the present invention；
Fig. 4 attached drawings are a kind of use state diagram of automobile door opening bump-proof system provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Automobile door opening bump-proof system according to embodiments of the present invention, as shown in Figs. 1-2, including：
Measuring instrumentss 1, for obtaining the touching information of interior door handle and the velocity information of car and obstruction；
Microprocessor 2, microprocessor 2 are connect with measuring instrumentss 1, for measuring instrumentss 1 to be obtained touching information and speed
The analog signal of information is converted into digital signal, and the digital signal of velocity information is compared with the default value being arranged inside
Output warning more afterwards performs signal；
Alarming device 3, alarming device 3 are connect with microprocessor 2, are filled for receiving to warn to perform signal and start warning
It puts.
In some embodiments, measuring instrumentss 1 can include touch sensor 11 and ultrasonic sensor 12, touching sensing
Device 11 obtains the touching information of interior door handle；Ultrasonic sensor 12 is used to obtain the velocity information of car and obstruction.
Automobile door opening bump-proof system according to embodiments of the present invention, microprocessor 2 can include Chip Microcomputer A 21, microcontroller B22
With microcontroller C23, Chip Microcomputer A 21 is connect with touch sensor 11, for the touching information for obtaining interior door handle to be converted into
Touch the digital signal of information；Microcontroller B22 is connect with ultrasonic sensor 12, for the analog signal of velocity information to be converted
For digital signal；Microcontroller C23 receives the digital signal of microcontroller B22 picking rate information, and works as and receive Chip Microcomputer A 21
It is default by what is set in the digital signal of microcontroller B22 picking rate information and microcontroller C23 when touching the digital signal of information
Output warning performs signal after numerical value is compared；Microcontroller C23 is connect with alarming device 3, and letter is performed for that will receive warning
Number and alarming device 3 is controlled to start.
Advantageously, alarming device 3 can include the double sudden strain of a muscle control circuits 32 of speech ciphering equipment 31, car light and centrally controrlled locking system control electricity
Road 33, double control circuit 32 and the centrally controrlled locking system control circuits 33 of dodging of speech ciphering equipment 31, car light are connected with microcontroller B22 communications；More
Advantageously, the double intrinsic polices for dodging control circuit 32 and centrally controrlled locking system control circuit 33 is car body itself of speech ciphering equipment 31, car light
Showing device has saved cost and has simplified structure as a result, is conducive to the popularization and application of the present invention.
In one embodiment, anti-collision system is additionally provided with display 4, and display 4 is connect with microcontroller B22, for showing
The distance of barrier and and its velocity information, thus, it is possible to which driver is allowed to be more convenient accurately to know vehicle rear obstacle information.
As shown in figure 3, the present embodiment automobile door opening avoiding collision, including：
S100：When this vehicle travel speed is less than preset vehicle speed, obstacle after the touching information and vehicle of the interior door handle of acquisition
The velocity information of object；
S101：The analog signal that the measuring instrumentss are obtained to touching information and velocity information is converted into digital signal；
S102:The digital signal of touching information and velocity information is sent to the microprocessor；
S103:The digital signal of the velocity information is compared rear defeated with the default value set in the microprocessor
Go out warning and perform signal；
S104：The warning that alarming device receives microprocessor output performs signal and starts.
In the present embodiment, the default value of barrier speed is v >=6km/h,
When v >=6km/h is performed, the double sudden strains of a muscle of car light, interior voice prompt and door lock fall locking car door；
Interior voice prompt simultaneously is dodged when 2 ＜ v ＜ 6km/h car lights are double
When 0 ＜ v≤2km/h are performed, car light is double to be dodged；
Advantageous, it is further included after S103：The judgement of S101 to S104 is repeated, and when this vehicle speed is higher than setting
Under speed or halted state, closing automobile enabling anti-collision system master switch, master switch control measuring instrumentss 1 and microprocessor 2
It opens..
As shown in figure 4, reversing radar of vehicle data are based on the calculation basis of the tachometric survey of car pedestrian or vehicle
The ultrasonic transmitter of radar for backing car designs ultrasonic wave receiving module and single-chip computer control system, realization pair with reference to microcontroller
Rear pedestrian or the collection and utilization of vehicle speed data, and then realize the measurement to car pedestrian or car speed.
In the present embodiment, since the tailstock is typically provided with four radar for backing car, two radar for backing car on the left of parking stall are compiled as A
Group, two, right side radar for backing car are compiled as B groups；Radar for backing car BURN-THROUGH RANGE is 3m, is recently 30cm, detection cycle is
0.005s, rearview mirror to tailstock distance about 2.5m, to tailstock distance about 1.5m when vehicle back door is opened.
In actual motion, one group of totally four distance parameters X1, X2, X3, X4 is measured by radar for backing car, by size of data according to
Secondary arrangement, X1 ＜ X2 ＜ X3 ＜ X4 or X1 ＞ X2 ＞ X3 ＞ X4, X1 and X2, X3 and X4 must be same group of radar for backing car at this time.
When choosing two distance parameters of A groups, object is located at automobile left side after vehicle.When choosing B group distance parameters, Che Hou
Object is located at car right side.
As shown in figure 4, the calculating away from tailstock vertical range h and away from homonymy vehicle body horizontal distance s of car pedestrian or vehicle
Formula is：
H=X2.sinΦ
Wherein, a is the distance that most edge radar arrives homonymy vehicle edge, and L1 is two neighboring distance by radar, and L1=L2.
Car pedestrian or the instantaneous velocity calculation formula of vehicle：
V=Δ h/ Δs t
The forward travel distance of car pedestrian or vehicle is between ranging twice：
Δ h=h1-h2
The speed formula for measuring car pedestrian or vehicle is：
V=Δs h.f
F is radar for backing car ultrasonic transmitter look-in frequency.
The movement velocity of car pedestrian or vehicle is measured by above-mentioned formula.
In general urban road, the speed of the vehicles is less than 60km/h, and Class I highway 80km/h is at a high speed
130km/h, about 16.7m/s, Class I highway 22.2m/s, high speed 33.3m/s.
When object is not close in the nearest detection range 30cm of the tailstock after vehicle, in each detection cycle of above-mentioned three kinds of highways
It is interior can travel distance respectively be：
L1=0.005s*16.7m/s=0.0835m
L2=0.005s*22.2m/s=0.111m
L3=0.005s*33.3m/s=0.1665m
About advance 10cm in urban transportation highway, highway about advances 17cm, single less than the remaining detectable distance of the tailstock
Piece machine and circuit system working time can be neglected, safety in the case of this.
Generation it is possible to prevente effectively from accident is proved by above-mentioned calculating.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
Embodiment difference, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, relevant part is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (9)
1. a kind of automobile door opening bump-proof system, which is characterized in that including：
Measuring instrumentss (1), for obtaining the touching information of interior door handle and the velocity information of car and obstruction；
Microprocessor (2), the microprocessor are connect with the measuring instrumentss (1), for the measuring instrumentss (1) to be touched
The analog signal for touching information and velocity information is converted into digital signal, and the digital signal of velocity information is pre- with being arranged inside
Output warning performs signal after if numerical value is compared；
Alarming device (3), the alarming device (3) connect with the microprocessor (2), and signal is performed for receiving the warning
And start alarming device.
2. a kind of automobile door opening bump-proof system according to claim 1, which is characterized in that the measuring instrumentss (1) include
Touch sensor (11) and ultrasonic sensor (12), the touch sensor (11) obtain the touching information of interior door handle；
The ultrasonic sensor (12) is for obtaining the velocity information of car and obstruction.
3. a kind of automobile door opening bump-proof system according to claim 2, which is characterized in that the microprocessor (2) is including list
Piece machine A (21), microcontroller B (22) and microcontroller C (23), the Chip Microcomputer A (21) connect with the touch sensor (11), use
The digital signal of touching information is converted into the touching information that will obtain interior door handle；
The microcontroller B (22) connect with the ultrasonic sensor (12), for the analog signal of velocity information to be converted into
Digital signal；
The microcontroller C (23) receives the digital signal of the microcontroller B picking rate information, when the reception Chip Microcomputer A
(21) during the digital signal of touching information, by what is set in the digital signal of the velocity information and the microcontroller C (23)
Output warning performs signal after default value is compared；
Microcontroller C (23) is connect with alarming device (3), for that will receive warning execution signal and alarming device (3) is controlled to start.
4. a kind of automobile door opening bump-proof system according to claim 3, which is characterized in that the alarming device (3) includes
Speech ciphering equipment (31), car light are double to dodge control circuit (32) and centrally controrlled locking system control circuit (33), the speech ciphering equipment (31), car light
Double sudden strain of a muscle control circuits (32) and centrally controrlled locking system control circuit (33) are connected with the microcontroller B (22) communication.
5. a kind of automobile door opening bump-proof system according to claim 3, which is characterized in that the anti-collision system is additionally provided with aobvious
Show device (4), the display (4) connect with the microcontroller B (22), for showing the distance of barrier and and its speed letter
Breath.
A kind of 6. method of automobile door opening anticollision, which is characterized in that prevented using any one of claim 1 to 5 automobile door opening
System is hit, is included the following steps：
S100：When this vehicle travel speed is less than preset vehicle speed, the touching information and car and obstruction of interior door handle are obtained
Velocity information；
S101：The analog signal that the measuring instrumentss are obtained to touching information and velocity information is converted into digital signal；
S102:The digital signal for touching information and velocity information is sent to the microprocessor；
S103:The digital signal of the velocity information is exported after being compared with the default value set in the microprocessor and is warned
Show execution signal；
S104：The warning that alarming device receives microprocessor output performs signal and starts.
7. a kind of automobile door opening avoiding collision according to claim 6, which is characterized in that
When the digital signal of the barrier velocity information is more than the default value, it is double that alarming device performs this vehicle car light
It dodges, car door is locked in interior voice prompt and centrally controrlled locking system.
8. a kind of automobile door opening avoiding collision according to claim 6, which is characterized in that
When the digital signal of the velocity information of the barrier is less than the default value, the double sudden strains of a muscle of this vehicle car light or vehicle are performed
Or the double sudden strains of a muscle of car light interior voice prompt simultaneously.
9. a kind of automobile door opening avoiding collision according to claim 6, which is characterized in that
It is further included after S104：The judgement of S101 to S104 is repeated, and when this vehicle speed is higher than setting speed or stopping
Under state, closing automobile enabling anti-collision system master switch, master switch control measuring instrumentss (1) and microprocessor (2) is opened
It opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251944.4A CN108216031A (en) | 2018-03-26 | 2018-03-26 | A kind of automobile door opening bump-proof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251944.4A CN108216031A (en) | 2018-03-26 | 2018-03-26 | A kind of automobile door opening bump-proof system |
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| Publication Number | Publication Date |
|---|---|
| CN108216031A true CN108216031A (en) | 2018-06-29 |
Family
ID=62660015
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810251944.4A Pending CN108216031A (en) | 2018-03-26 | 2018-03-26 | A kind of automobile door opening bump-proof system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795411A (en) * | 2019-03-05 | 2019-05-24 | 冉楷立 | Enabling avoiding collision and system |
| CN110597269A (en) * | 2019-09-30 | 2019-12-20 | 潍柴动力股份有限公司 | Vehicle autonomous obstacle avoidance method and vehicle autonomous obstacle avoidance system |
| CN110696719A (en) * | 2019-11-05 | 2020-01-17 | 东风小康汽车有限公司重庆分公司 | Vehicle door control system, method and device and vehicle body controller |
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