CN112455437A - Vehicle-mounted automatic distance measurement collision avoidance auxiliary control system - Google Patents

Vehicle-mounted automatic distance measurement collision avoidance auxiliary control system Download PDF

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Publication number
CN112455437A
CN112455437A CN202011376145.3A CN202011376145A CN112455437A CN 112455437 A CN112455437 A CN 112455437A CN 202011376145 A CN202011376145 A CN 202011376145A CN 112455437 A CN112455437 A CN 112455437A
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CN
China
Prior art keywords
vehicle
forced braking
conductive
preset threshold
forced
Prior art date
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Pending
Application number
CN202011376145.3A
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Chinese (zh)
Inventor
李晓雷
宋强辉
唐伯明
谭德军
任世聪
刘唐志
蔡晓禹
彭博
田杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Jiaotong University
Chongqing Institute of Geology and Mineral Resources
Army Service Academy of PLA
Original Assignee
Chongqing Jiaotong University
Chongqing Institute of Geology and Mineral Resources
Army Service Academy of PLA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Chongqing Jiaotong University, Chongqing Institute of Geology and Mineral Resources, Army Service Academy of PLA filed Critical Chongqing Jiaotong University
Priority to CN202011376145.3A priority Critical patent/CN112455437A/en
Publication of CN112455437A publication Critical patent/CN112455437A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/08Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/09Taking automatic action to avoid collision, e.g. braking and steering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/008Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/48Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
    • B60R19/483Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds with obstacle sensors of electric or electronic type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/04Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/741Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T7/00Brake-action initiating means
    • B60T7/12Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/22Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/08Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/095Predicting travel path or likelihood of collision
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08Interaction between the driver and the control system
    • B60W50/14Means for informing the driver, warning the driver or prompting a driver intervention
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08Interaction between the driver and the control system
    • B60W50/14Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143Alarm means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Regulating Braking Force (AREA)

Abstract

The invention provides a vehicle-mounted automatic ranging collision avoidance auxiliary control system, which comprises an automatic ranging radar, a master control central unit and a forced braking mechanism, wherein the automatic ranging radar is used for automatically measuring the distances between the head and the tail of a vehicle and between the front vehicle and the rear vehicle as well as between the front vehicle and the rear vehicle and between the front vehicle and the obstacle, the master control central unit compares the measured distance data with a first preset threshold value and a second preset threshold value, when the distance data reaches a first preset threshold value, an alarm control signal is output to a horn in the vehicle to start alarming, and when the distance data exceeds a first preset threshold value and reaches a second preset threshold value, controlling a vehicle-mounted current distributor carried by the vehicle to output a current signal, wherein the forced braking mechanism comprises conductive forced braking rings arranged on two side edges of the tread rubber of the tire, a metal forced braking barb is embedded in the middle of the circumferential surface of each conductive forced braking ring, and the inner wall of each conductive forced braking ring is connected with an electric wire for connecting the current signal to the conductive forced braking rings for charging. This application can start the warning and start the compulsory brake mechanism and assist the compulsory braking.

Description

Vehicle-mounted automatic distance measurement collision avoidance auxiliary control system
Technical Field
The invention relates to the technical field of traffic safety, in particular to a vehicle-mounted automatic distance measurement collision avoidance auxiliary control system.
Background
In recent years, with the rapid development of economy and the improvement of the living standard of people, the quantity of motor vehicles in China is continuously and rapidly increased, and the caused traffic accidents are also increased. Under the background, the automobile collision avoidance technology is highly regarded as an effective method for reducing the accident rate and avoiding the loss, and the future development direction of the vehicle safety technology is led. The inventor of the present invention has found through research that the current collision avoidance system cannot directly control and operate the brake, but is only a warning system, and when special conditions such as drunk driving by a driver or completely autonomous brake operation by sudden physical reasons of the driver occur, the driver can only see that vehicles (mainly large trucks and heavy-duty trucks) collide with roadside guardrails with eyes, so that the problem needs to be solved urgently.
Disclosure of Invention
The invention provides a vehicle-mounted automatic distance-measuring collision-preventing auxiliary control system, aiming at the technical problem that the existing collision-preventing system is only a warning system and the brake can not be operated in an auxiliary mode when a vehicle collides with the road side under special conditions such as intentional or unintentional states of a driver.
In order to solve the technical problems, the invention adopts the following technical scheme:
a vehicle-mounted automatic ranging collision avoidance auxiliary control system comprises an automatic ranging radar, a master control center unit and a forced braking mechanism, wherein the automatic ranging radar selects an industrial-grade high-speed measuring laser radar to be installed on a vehicle head and a vehicle tail, and is used for automatically measuring the distance between the vehicle head and the vehicle tail and the distance between a front vehicle, a rear vehicle and an obstacle; the master control center unit is arranged on a vehicle cab and is used for comparing distance data measured by an automatic distance measuring radar with a first preset threshold and a second preset threshold, outputting an alarm control signal to a horn in a vehicle to start alarm when the distance data reaches the first preset threshold, and controlling a vehicle-mounted current distributor of the vehicle to output a current signal when the distance data exceeds the first preset threshold and reaches the second preset threshold; the forced braking mechanism comprises a conductive forced braking ring fixedly installed on two side edges of tread rubber of a tire, a metal forced braking barb is embedded in the middle of the circumferential surface of the conductive forced braking ring, an electric wire is fixedly connected to the inner wall of the conductive forced braking ring, and a current signal output by a vehicle-mounted current distributor is connected to one end, far away from the conductive forced braking ring, of the electric wire and is used for charging the conductive forced braking ring.
Compared with the prior art, the vehicle-mounted automatic ranging collision avoidance auxiliary control system measures the distances between the vehicle head and the vehicle tail and between the front vehicle and the rear vehicle as well as between the front vehicle and the rear vehicle and between the front vehicle and the obstacles through the automatic ranging radar, and the master control center unit outputs an alarm control signal to a horn in the vehicle to start an alarm according to different measured distance data when the distance data reaches a first preset threshold value of the system so as to warn a driver to pay attention to driving safety; when the distance data exceeds a first preset threshold value of the system and reaches a second preset threshold value of the system (namely, the distance data enters a forced braking distance range), the vehicle-mounted current distributor of the vehicle is controlled to output a current signal so as to start a forced braking mechanism to perform forced braking, at the moment, the current signal charges a conductive forced braking ring, the conductive forced braking ring generates heat after being conductive, on one hand, the heat can soften the tire to a certain extent, namely, the height of the tire can be reduced, the tire is more attached to the ground, on the other hand, the heat can enable the metal forced braking ring on the circumferential surface of the conductive forced braking ring to be barbed, so that the friction resistance between the wheel and the ground is increased, and the vehicle is subjected to forced braking together with the conventional braking system. Therefore, the vehicle can be directly started to alarm and the forced braking mechanism is started to assist in forced braking, the problem that a driver cannot completely and autonomously control the automatic braking when the vehicle collides with the road side is solved, and the driving safety of the vehicle is effectively improved.
Further, the automatic distance measuring radar is arranged on a wheel arch bar of the vehicle head and a rear bumper of the vehicle tail.
Further, the conductive forced brake ring is wound and adhered on the tread rubber on two sides of the tire by adopting high-temperature-resistant metal cloth.
Furthermore, the metal forced brake barb is made of a semimetal friction material.
Drawings
Fig. 1 is a schematic block diagram of a vehicle-mounted automatic distance-measuring collision-preventing auxiliary control system provided by the invention.
Fig. 2 is a schematic structural diagram of a forcible braking mechanism on a tire provided by the invention in a working state.
In the figure, 1, automatic range radar; 2. a master control central unit; 3. a forced braking mechanism; 31. a conductive forced brake ring; 32. a metal forced brake barb; 33. an electric wire; 4. a tire; 41. a tread rubber.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the invention provides a vehicle-mounted automatic ranging collision avoidance auxiliary control system, which comprises an automatic ranging radar 1, a master control center unit 2 and a forced braking mechanism 3, wherein the automatic ranging radar 1 selects an existing industrial high-speed measurement laser radar to be installed at a vehicle head and a vehicle tail, the industrial high-speed measurement laser radar can still normally work under strong light and rain and fog environments, and has multiple measurement modes and parameters for a user to independently select and configure so as to meet different ranging requirements, and the automatic ranging radar 1 is used for automatically measuring distances between the vehicle head and the vehicle tail and between front and rear vehicles and obstacles; the general control center unit 2 is arranged on a vehicle cab, and the general control center unit 2 is used for comparing distance data measured by the automatic distance measuring radar 1 with a first preset threshold and a second preset threshold, outputting an alarm control signal to a horn in the vehicle to start alarm when the distance data reaches the first preset threshold (namely, enters a warning distance range), and controlling a vehicle-mounted current distributor carried by the vehicle to output a current signal when the distance data exceeds the first preset threshold and reaches the second preset threshold (namely, enters a forced braking distance range); forced brake mechanism 3 forces brake ring 31 including the electrically conductive of fixed mounting in 41 both sides limit of tread rubber of tire 4, inlay in the middle of the circumferential surface of electrically conductive forced brake ring 31 and be equipped with metal forced brake barb 32, fixedly connected with electric wire 33 on the electrically conductive forced brake ring 31 inner wall, electric wire 33 keeps away from the current signal that the one end of electrically conductive forced brake ring 31 was connected current on-board current distributor output and is used for charging for electrically conductive forced brake ring 31, promptly the electric wire 33 keeps away from the one end of electrically conductive forced brake ring 31 and is connected in order to realize charging for electrically conductive forced brake ring 31 with current on-board current distributor electricity.
Compared with the prior art, the vehicle-mounted automatic ranging collision avoidance auxiliary control system measures the distances between the vehicle head and the vehicle tail and between the front vehicle and the rear vehicle as well as between the front vehicle and the rear vehicle and between the front vehicle and the obstacles through the automatic ranging radar, and the master control center unit outputs an alarm control signal to a horn in the vehicle to start an alarm according to different measured distance data when the distance data reaches a first preset threshold value of the system so as to warn a driver to pay attention to driving safety; when the distance data exceeds a first preset threshold value of the system and reaches a second preset threshold value of the system (namely, the distance data enters a forced braking distance range), the vehicle-mounted current distributor of the vehicle is controlled to output a current signal so as to start a forced braking mechanism to perform forced braking, at the moment, the current signal charges a conductive forced braking ring, the conductive forced braking ring generates heat after being conductive, on one hand, the heat can soften the tire to a certain extent, namely, the height of the tire can be reduced, the tire is more attached to the ground, on the other hand, the heat can enable the metal forced braking ring on the circumferential surface of the conductive forced braking ring to be barbed, so that the friction resistance between the wheel and the ground is increased, and the vehicle is subjected to forced braking together with the conventional braking system. Therefore, the vehicle can be directly started to alarm and the forced braking mechanism is started to assist in forced braking, the problem that a driver cannot completely and autonomously control the automatic braking when the vehicle collides with the road side is solved, and the driving safety of the vehicle is effectively improved.
As a specific embodiment, the automatic distance measuring radar 1 is installed on an existing wheel arch of a vehicle head and an existing rear bumper of the vehicle tail, so that distances between the vehicle head and the vehicle tail and between a front vehicle and a rear vehicle and between left and right obstacles can be better measured, and a measurement visual field is improved.
As a specific embodiment, the general control central unit 2 is implemented by using an existing automobile single chip microcomputer or an Electronic Control Unit (ECU), and the power of the general control central unit is relatively high because the general control central unit is mainly used for large trucks and heavy-duty trucks, and the power of the general control central unit is enough to bear the power required by the general control central unit, namely the current output by the vehicle-mounted current distributor is enough to charge the conductive forced braking ring 31.
As a specific embodiment, the conductive forced brake rim 31 is wound and bonded on the tread rubber 41 on both sides of the tire 4 by using the existing high temperature resistant metal cloth, that is, the high temperature resistant metal cloth is wound and then bonded on the tread rubber 41 on both sides of the tire 4. Specifically, the high-temperature resistant metal cloth is also called stainless steel fiber cloth, is a cloth woven by 316L stainless steel metal fibers, and has the characteristics of high temperature resistance (650 ℃), wear resistance, long service life, smooth surface, good flexibility, ductility and the like.
As a specific embodiment, the metal positive brake barb 32 is made of a conventional semimetal friction material, and specifically, the formula of the semimetal friction material usually contains about 20% to 45% of ferrous metal components (such as steel fibers, reduced iron powder, or iron oxide powder, etc.), and the components are added to make the obtained material have good thermal stability and thermal conductivity, so that the defects that the asbestos friction material is seriously heat-degraded at early and high temperatures, and the friction surface is easily cracked, etc. are overcome.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (4)

1. A vehicle-mounted automatic ranging collision avoidance auxiliary control system is characterized by comprising an automatic ranging radar, a master control central unit and a forced braking mechanism, wherein the automatic ranging radar selects an industrial-grade high-speed measuring laser radar to be installed at a vehicle head and a vehicle tail, and is used for automatically measuring the distance between the vehicle head and the vehicle tail and the distance between a front vehicle, a rear vehicle and an obstacle; the master control center unit is arranged on a vehicle cab and is used for comparing distance data measured by an automatic distance measuring radar with a first preset threshold and a second preset threshold, outputting an alarm control signal to a horn in a vehicle to start alarm when the distance data reaches the first preset threshold, and controlling a vehicle-mounted current distributor of the vehicle to output a current signal when the distance data exceeds the first preset threshold and reaches the second preset threshold; the forced braking mechanism comprises a conductive forced braking ring fixedly installed on two side edges of tread rubber of a tire, a metal forced braking barb is embedded in the middle of the circumferential surface of the conductive forced braking ring, an electric wire is fixedly connected to the inner wall of the conductive forced braking ring, and a current signal output by a vehicle-mounted current distributor is connected to one end, far away from the conductive forced braking ring, of the electric wire and is used for charging the conductive forced braking ring.
2. The vehicle-mounted automatic ranging collision avoidance auxiliary control system according to claim 1, wherein the automatic ranging radar is mounted on a wheel arch of a vehicle head and a rear bumper of a vehicle tail.
3. The vehicle-mounted automatic ranging and collision avoidance auxiliary control system according to claim 1, wherein the conductive forced brake ring is wound and bonded on the tread rubber on two sides of the tire by adopting high-temperature-resistant metal cloth.
4. The vehicle-mounted automatic distance-measuring and collision-avoiding auxiliary control system according to claim 1, wherein the metal forced brake barb is made of a semi-metal friction material.
CN202011376145.3A 2020-11-30 2020-11-30 Vehicle-mounted automatic distance measurement collision avoidance auxiliary control system Pending CN112455437A (en)

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Application Number Priority Date Filing Date Title
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CN113911052A (en) * 2021-11-16 2022-01-11 安徽江淮汽车集团股份有限公司 Method and system for detecting metal foreign matters in tire
CN114228698A (en) * 2021-12-29 2022-03-25 东风越野车有限公司 Yaw stability control method based on tire pressure of wheels
US11465625B2 (en) * 2020-03-24 2022-10-11 Mobile Drive Netherlands B.V. Traffic safety control method, vehicle-mounted device and readable storage medium

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US11465625B2 (en) * 2020-03-24 2022-10-11 Mobile Drive Netherlands B.V. Traffic safety control method, vehicle-mounted device and readable storage medium
CN113911052A (en) * 2021-11-16 2022-01-11 安徽江淮汽车集团股份有限公司 Method and system for detecting metal foreign matters in tire
CN113911052B (en) * 2021-11-16 2023-10-31 安徽江淮汽车集团股份有限公司 Method and system for detecting metal foreign matters in tire
CN114228698A (en) * 2021-12-29 2022-03-25 东风越野车有限公司 Yaw stability control method based on tire pressure of wheels
CN114228698B (en) * 2021-12-29 2023-06-16 东风越野车有限公司 Yaw stability control method based on tire pressure of wheels

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Application publication date: 20210309