CN104742846A - Vehicle-mounted pedestrian protection system - Google Patents

Vehicle-mounted pedestrian protection system Download PDF

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Publication number
CN104742846A
CN104742846A CN201410585651.1A CN201410585651A CN104742846A CN 104742846 A CN104742846 A CN 104742846A CN 201410585651 A CN201410585651 A CN 201410585651A CN 104742846 A CN104742846 A CN 104742846A
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China
Prior art keywords
vehicle
control unit
pedestrian protection
micro
speed sensor
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CN201410585651.1A
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Chinese (zh)
Inventor
张忠春
杨建将
顾伟明
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Jingang Automobile Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Jingang Automobile Co Ltd
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Priority to CN201410585651.1A priority Critical patent/CN104742846A/en
Publication of CN104742846A publication Critical patent/CN104742846A/en
Pending legal-status Critical Current

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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
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • 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
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R2021/01013—Means for detecting collision, impending collision or roll-over

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Traffic Control Systems (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The invention discloses a vehicle-mounted pedestrian protection system. The vehicle-mounted pedestrian protection system aims to overcome the defect that in the prior art, a vehicle pedestrian protection device can only buffer impact force, cannot avoid roller compaction accidents generated after the situation that a vehicle knock off a pedestrian due to misoperation of a driver and other reasons. The vehicle-mounted pedestrian protection system comprises vehicle speed sensors, an ultrasonic radar, speed sensors, a micro-control unit, a voice prompt system and an ABS. The vehicle speed sensors are arranged on wheels of the vehicle, the ultrasonic radar and the speed sensors are arranged on a front bumper, a front left fender and a front right fender respectively, and the ultrasonic radar, the speed sensors, the voice prompt system and the ABS are electrically connected with the micro-control unit. The vehicle-mounted pedestrian protection system detects the relative position and the relative speed of pedestrians and vehicles, and reminds the driver to brake and avoid the pedestrians in time; after reminding is carried out twice, braking can be carried out automatically to prevent accidents; low beam and high beam can be changed automatically to remind the pedestrians to avoid the vehicle.

Description

一种车载行人保护系统A vehicle pedestrian protection system

技术领域 technical field

本发明涉及一种车载保护装置，尤其涉及一种车载行人保护系统。 The invention relates to a vehicle-mounted protection device, in particular to a vehicle-mounted pedestrian protection system.

背景技术 Background technique

目前，交通安全问题受到社会的广泛关注。现有的汽车中只有少数汽车安装了行人保护装置，且大多数是通过在汽车前保险杆内设有安全气囊来保护行人。该技术方案的确会在一定程度上缓冲对行人的冲击，从而降低撞击伤害，但不能避免驾驶员操作失误等原因造成的汽车撞倒行人后发生的碾压事故。 At present, traffic safety issues are widely concerned by the society. There are only a small number of automobiles in the existing automobiles where pedestrian protection devices are installed, and most of them protect pedestrians by being provided with air bags in the front bumper of automobiles. This technical scheme can indeed cushion the impact to pedestrians to a certain extent, thereby reduces impact damage, but can not avoid the rolling accident that occurs after the car knocked down pedestrians caused by reasons such as driver's misoperation.

中国专利授权公告号：CN101607545，授权公告日2009年12月23日的发明专利公开了一种用于汽车前部的行人保护方法。其目的在于针对现有技术所存在的缺陷，提供一种结构简单、成本低、容易实施的用于汽车前部的行人保护方法。所述方法是在汽车前盖的内壁安装缓冲装置；所述缓冲装置的位置与下面的坚硬部件的部位相对应。当汽车与行人发生碰撞时，行人的上身跌落在车前部的前盖上，将前盖压向下面的坚硬物件如发动机盖等。在通常情况下这些坚硬部件会造成行人的严重伤害；但现在由于下面的缓冲装置吸收了行人的冲击能量，缓冲了坚硬部件对行人的撞击力量，从而达到了保护行人的效果。该技术方案的不足之处在于只能缓冲汽车对行人的撞击力量，但不能避免驾驶员操作失误等原因造成的汽车撞倒行人后发生的碾压事故。 Chinese patent authorization announcement number: CN101607545, the invention patent on December 23, 2009 on the date of authorization announcement discloses a pedestrian protection method for the front of the automobile. The purpose of the invention is to provide a pedestrian protection method for the front part of the automobile with simple structure, low cost and easy implementation in view of the defects in the prior art. The method is to install a buffer device on the inner wall of the front cover of the automobile; the position of the buffer device corresponds to the position of the lower hard component. When automobile collides with pedestrian, the upper body of pedestrian falls on the front cover of car front, and the front cover is pressed to the hard object below such as engine cover etc. Under normal circumstances, these hard parts will cause serious injuries to pedestrians; but now because the buffer device below absorbs the impact energy of pedestrians, it buffers the impact force of hard parts on pedestrians, thereby achieving the effect of protecting pedestrians. The weak point of this technical scheme is that can only buffer the impact force of automobile to pedestrian, but can not avoid the rolling accident that occurs after the automobile knocked down pedestrian caused by reasons such as driver's misoperation.

发明内容 Contents of the invention

本发明是为了克服现有技术中的汽车行人保护装置，只能缓冲撞击力量，不能避免驾驶员操作失误等原因造成的汽车撞倒行人后发生的碾压事故的不足，提供了一种能够通过侦测行人和汽车相对位置以及相对速度，并提前做出应对反应，提醒驾驶员提前制动或自动进行制动，以避免汽车撞击行人造成交通事故的一种车载行人保护系统。 The present invention is to overcome the deficiency that the automobile pedestrian protection device in the prior art can only buffer the impact force and cannot avoid the rolling accident caused by the driver's operation error and other reasons. A vehicle-mounted pedestrian protection system that detects the relative position and speed of pedestrians and cars, and responds in advance to remind drivers to brake in advance or automatically brake to avoid traffic accidents caused by cars hitting pedestrians.

为实现上述目的，本发明采用以下技术方案： To achieve the above object, the present invention adopts the following technical solutions:

本发明的一种车载行人保护系统，包括车速传感器、超声波雷达、速度传感器、微控制单元、语音提示系统和ABS制动系统，车速传感器步置于汽车车轮上，超声波雷达和速度传感器布置于汽车的前保险杆及前左右翼子板上，超声波雷达、速度传感器、语音提示系统和ABS制动系统分别与微控制单元电连接。 A vehicle-mounted pedestrian protection system of the present invention includes a vehicle speed sensor, an ultrasonic radar, a speed sensor, a micro-control unit, a voice prompt system and an ABS braking system. Ultrasonic radar, speed sensor, voice prompt system and ABS braking system are respectively electrically connected to the micro control unit on the front bumper and the front left and right fenders.

本发明通过超声波雷达实时检测汽车与汽车前方行人的距离，速度传感器实时检测汽车前方行人移动的速度，并将两者检测到的信号传递给微控制单元，微控制单元根据两者的信号作出判断该行人是否会进入危险区域（危险区域是指以当前汽车的行驶速度和行人的移动速度，如果汽车不采取制动减速情况下，汽车将会撞击到行人），如果是，微控制单元发送信号给语音提示系统，语音提示驾驶员减速，如果语音提示第二次后，驾驶员未立即采取制动措施，则微控制单元立即发送信号给ABS制动系统，自动启动ABS制动操作以使汽车减速，当微控制单元判断出行人离开危险区域时，发出信号到ABS制动系统，停止ABS制动操作。 The invention detects the distance between the car and the pedestrian in front of the car in real time through the ultrasonic radar, and the speed sensor detects the moving speed of the pedestrian in front of the car in real time, and transmits the signals detected by the two to the micro control unit, and the micro control unit makes a judgment according to the signals of the two Whether the pedestrian will enter the dangerous area (the dangerous area refers to the current driving speed of the car and the moving speed of the pedestrian. If the car does not brake to slow down, the car will hit the pedestrian), if so, the micro control unit sends a signal To the voice prompt system, the voice prompts the driver to slow down. If the driver does not take braking measures immediately after the second voice prompt, the micro control unit immediately sends a signal to the ABS braking system to automatically start the ABS braking operation to make the car Deceleration, when the micro-control unit judges that the pedestrian leaves the dangerous area, it sends a signal to the ABS braking system to stop the ABS braking operation.

作为优选，超声波雷达和速度传感器一一成对紧贴布置于汽车的前保险杆及前左右翼子板上，在前保险杆上设置有至少三个超声波雷达和至少三个速度传感器，在左右翼子板上分别设置有至少一个超声波雷达和至少一个速度传感器。超声波雷达和速度传感器在汽车前端构成完整的侦测区域，能够准确检测汽车前方行人的距离和移动速度。 As preferably, the ultrasonic radar and the speed sensor are arranged in pairs close to each other on the front bumper and the front left and right fenders of the car, and at least three ultrasonic radars and at least three speed sensors are arranged on the front bumper. At least one ultrasonic radar and at least one speed sensor are respectively arranged on the fender. Ultrasonic radar and speed sensor form a complete detection area at the front of the car, which can accurately detect the distance and moving speed of pedestrians in front of the car.

作为优选，语音提示系统包括扬声器、语言选择面板和语音提示控制器，语音提示控制器电连接微控制单元、扬声器和语言选择面板，扬声器和语言选择面板设置于仪表板上。 Preferably, the voice prompt system includes a speaker, a language selection panel and a voice prompt controller, the voice prompt controller is electrically connected to the micro control unit, the speaker and the language selection panel, and the speaker and the language selection panel are arranged on the dashboard.

作为优选，微控制单元还电连接有灯光提示系统，灯光提示系统包括车内提示灯和灯光提示控制器和变光控制器，灯光提示控制器电连接微控制单元和车内提示灯，变光控制器电连接微控制单元和车前灯。在进行语音提示的同时，通过车内提示灯闪烁提醒驾驶员，防止车内嘈杂导致驾驶员无法听到语音提示音。同时，变光控制器控制车前灯进行近远光变光从而提醒行人及时闪避。 As preferably, the micro-control unit is also electrically connected with a light prompt system, and the light prompt system includes a prompt light in the car, a light prompt controller and a dimming controller, and the light prompt controller is electrically connected to the micro-control unit and the prompt light in the car, and the dimming The controller electrically connects the micro control unit and the headlights. At the same time as the voice prompt, the driver is reminded by the flashing of the warning light in the car, so as to prevent the driver from being unable to hear the voice prompt due to the noise in the car. At the same time, the dimming controller controls the headlights to dim the near and far beams to remind pedestrians to dodge in time.

因此，本发明具有如下有益效果：（1）通过侦测行人和汽车相对位置和相对速度，及时提醒驾驶员制动避让；（2）在提醒两次后，能够自动制动，防止事故发生；（3）能够自动变换近远光，提醒行人避让。 Therefore, the present invention has the following beneficial effects: (1) by detecting the relative positions and speeds of pedestrians and cars, the driver is reminded to brake and avoid in time; (2) after two reminders, the brakes can be automatically braked to prevent accidents; (3) It can automatically change the low and high beams to remind pedestrians to avoid.

附图说明 Description of drawings

图1是本发明的结构示意图。 Fig. 1 is a schematic structural view of the present invention.

图中：1车速传感器；2超声波雷达；3速度传感器；4微控制单元；5语音提示系统；501扬声器；502语言选择面板；503语音提示控制器；6ABS制动系统；7灯光提示系统；701车内提示灯；702灯光提示控制器；703变光控制器。 In the figure: 1 vehicle speed sensor; 2 ultrasonic radar; 3 speed sensor; 4 micro control unit; 5 voice prompt system; 501 speaker; 502 language selection panel; 503 voice prompt controller; 6ABS braking system; 7 light prompt system; 701 In-car warning light; 702 light prompt controller; 703 dimming controller.

具体实施方式 Detailed ways

下面结合附图和具体实施方式对本发明做进一步描述。 The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

实施例：如图1所示，本发明的一种车载行人保护系统，包括车速传感器1、超声波雷达2、速度传感器3、微控制单元4、语音提示系统5和ABS制动系统6。车速传感器1步置于汽车车轮上，超声波雷达2和速度传感器3布置于汽车的前保险杆及前左右翼子板上，超声波雷达2、速度传感器3、语音提示系统5和ABS制动系统6分别与微控制单元4电连接。 Embodiment: As shown in FIG. 1 , a vehicle-mounted pedestrian protection system of the present invention includes a vehicle speed sensor 1 , an ultrasonic radar 2 , a speed sensor 3 , a micro control unit 4 , a voice prompt system 5 and an ABS braking system 6 . Vehicle speed sensor 1 is placed on the car wheel, ultrasonic radar 2 and speed sensor 3 are arranged on the front bumper and front left and right fenders of the car, ultrasonic radar 2, speed sensor 3, voice prompt system 5 and ABS braking system 6 They are electrically connected to the micro control unit 4 respectively.

超声波雷达2和速度传感器3一一成对紧贴布置于汽车的前保险杆及前左右翼子板上，在前保险杆上设置有三个超声波雷达2和三个速度传感器3，在左右翼子板上分别设置有一个超声波雷达2和一个速度传感器3。 Ultrasonic radar 2 and speed sensor 3 are arranged in pairs close to each other on the front bumper and front left and right fenders of the car. Three ultrasonic radars 2 and three speed sensors 3 are arranged on the front bumper. An ultrasonic radar 2 and a speed sensor 3 are respectively arranged on the board.

语音提示系统5包括扬声器501、语言选择面板502和语音提示控制器503，语音提示控制器503电连接微控制单元4、扬声器501和语言选择面板502，扬声器501和语言选择面板502设置于仪表板上。 The voice prompt system 5 includes a loudspeaker 501, a language selection panel 502 and a voice prompt controller 503, the voice prompt controller 503 is electrically connected to the micro control unit 4, the loudspeaker 501 and the language selection panel 502, and the loudspeaker 501 and the language selection panel 502 are arranged on the instrument panel superior.

微控制单元4还电连接有灯光提示系统7，灯光提示系统7包括车内提示灯701和灯光提示控制器702和变光控制器703，灯光提示控制器702电连接微控制单元4和车内提示灯701，变光控制器703电连接微控制单元4和车前灯。 The micro control unit 4 is also electrically connected with a light prompt system 7, the light prompt system 7 includes a prompt light 701 in the car, a light prompt controller 702 and a dimming controller 703, and the light prompt controller 702 is electrically connected to the micro control unit 4 and the interior of the car. The reminder light 701 and the dimming controller 703 are electrically connected to the micro control unit 4 and the headlights.

本发明通过超声波雷达2实时检测汽车与汽车前方行人的距离，速度传感器3实时检测汽车前方行人移动的速度，并将两者检测到的信号传递给微控制单元4，微控制单元4根据两者的信号作出判断该行人是否会进入危险区域（危险区域是指以当前汽车的行驶速度和行人的移动速度，如果汽车不采取制动减速情况下，汽车将会撞击到行人），如果是，微控制单元4发送信号给语音提示系统5，语音提示驾驶员减速。在进行语音提示的同时，通过车内提示灯701闪烁提醒驾驶员，防止车内嘈杂导致驾驶员无法听到语音提示音。同时，变光控制器703控制车前灯进行近远光变光从而提醒行人及时闪避。 The present invention detects the distance between the automobile and the pedestrian in front of the automobile in real time through the ultrasonic radar 2, the speed sensor 3 detects the moving speed of the pedestrian in front of the automobile in real time, and transmits the signals detected by the two to the micro control unit 4, and the micro control unit 4 according to the two signal to judge whether the pedestrian will enter the dangerous area (the dangerous area refers to the current speed of the car and the moving speed of the pedestrian, if the car does not brake to slow down, the car will hit the pedestrian), if so, micro The control unit 4 sends a signal to the voice prompt system 5, and the voice prompts the driver to slow down. While performing the voice prompt, the driver is reminded by flashing the prompt light 701 in the car, preventing the driver from being unable to hear the voice prompt due to the noise in the car. At the same time, the dimming controller 703 controls the headlights to dim the near and far beams so as to remind pedestrians to dodge in time.

如果语音提示第二次后，驾驶员未立即采取制动措施，则微控制单元4立即发送信号给ABS制动系统6，自动启动ABS制动操作以使汽车减速，当微控制单元4判断出行人离开危险区域时，发出信号到ABS制动系统6，停止ABS制动操作。 If the driver does not take braking measures immediately after the voice prompt for the second time, the micro-control unit 4 immediately sends a signal to the ABS braking system 6 to automatically start the ABS braking operation to decelerate the car. When people leave the dangerous area, a signal is sent to the ABS braking system 6 to stop the ABS braking operation.

Claims (4)

1. a vehicle-mounted pedestrian protection system; it is characterized in that; comprise car speed sensor, ultrasonic radar, speed sensor, micro-control unit, speech prompting system and abs braking system; car speed sensor step is placed on automotive wheel; on the front bumper that ultrasonic radar and speed sensor are arranged in automobile and front left and right fender guard, ultrasonic radar, speed sensor, speech prompting system and abs braking system are electrically connected with micro-control unit respectively.
2. a kind of vehicle-mounted pedestrian protection system according to claim 1; it is characterized in that; ultrasonic radar and speed sensor be close in pairs be one by one arranged in automobile front bumper and front left and right fender guard on; front bumper is provided with at least three ultrasonic radars and at least three speed sensors, left and right daughter board is respectively arranged with at least one ultrasonic radar and at least one speed sensor.
3. a kind of vehicle-mounted pedestrian protection system according to claim 1; it is characterized in that; speech prompting system comprises loud speaker, speech selection panel and voice message controller; the electrical connection of voice message controller micro-control unit, loud speaker and speech selection panel, loud speaker and speech selection panel are arranged on instrument carrier panel.
4. a kind of vehicle-mounted pedestrian protection system according to claim 1 or 2 or 3; it is characterized in that; micro-control unit is also electrically connected with light prompt system; light prompt system comprises warning light and light prompt controller and light variable controller in car; light prompt controller electrical connection micro-control unit and Che Nei warning light, light variable controller electrical connection micro-control unit and headlight.
CN201410585651.1A 2014-10-28 2014-10-28 Vehicle-mounted pedestrian protection system Pending CN104742846A (en)

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CN105905028A (en) * 2016-05-04 2016-08-31 北京长安汽车工程技术研究有限责任公司 Pedestrian warning system and method for full electric vehicle
CN106828388A (en) * 2016-12-30 2017-06-13 浙江吉利控股集团有限公司 For the vehicle active warning system and method and vehicle of pedestrian
CN107117101A (en) * 2017-05-28 2017-09-01 佛山市神风航空科技有限公司 A kind of intelligent speed reducing device of infrared induction
CN107554472A (en) * 2017-08-23 2018-01-09 中国科学院自动化研究所 A kind of vehicle collision alarming system and method
CN109147352A (en) * 2018-11-02 2019-01-04 安徽安凯汽车股份有限公司 A kind of control system and method that automobile traffic light zebra stripes safe and intelligent drives
CN110853338A (en) * 2019-11-08 2020-02-28 上海博泰悦臻电子设备制造有限公司 Pedestrian reminding method and system based on vehicle-mounted terminal, storage medium and vehicle-mounted terminal
CN112092728A (en) * 2020-09-10 2020-12-18 重庆长安汽车股份有限公司 Reversing prompting system and method
CN116691496A (en) * 2023-06-15 2023-09-05 超讯通信股份有限公司 Pedestrian collision prediction and reminder method and device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105905028A (en) * 2016-05-04 2016-08-31 北京长安汽车工程技术研究有限责任公司 Pedestrian warning system and method for full electric vehicle
CN106828388A (en) * 2016-12-30 2017-06-13 浙江吉利控股集团有限公司 For the vehicle active warning system and method and vehicle of pedestrian
CN107117101A (en) * 2017-05-28 2017-09-01 佛山市神风航空科技有限公司 A kind of intelligent speed reducing device of infrared induction
CN107554472A (en) * 2017-08-23 2018-01-09 中国科学院自动化研究所 A kind of vehicle collision alarming system and method
CN109147352A (en) * 2018-11-02 2019-01-04 安徽安凯汽车股份有限公司 A kind of control system and method that automobile traffic light zebra stripes safe and intelligent drives
CN110853338A (en) * 2019-11-08 2020-02-28 上海博泰悦臻电子设备制造有限公司 Pedestrian reminding method and system based on vehicle-mounted terminal, storage medium and vehicle-mounted terminal
CN112092728A (en) * 2020-09-10 2020-12-18 重庆长安汽车股份有限公司 Reversing prompting system and method
CN116691496A (en) * 2023-06-15 2023-09-05 超讯通信股份有限公司 Pedestrian collision prediction and reminder method and device

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