TWI823389B - Driving recording system and method for autonomous vehicles - Google Patents

Abstract

Driving recording system and method for an autonomous vehicle are provided, the driving recording system including: at least one signal transmitting unit, each of the at least one signal transmitting unit being configured to be disposed on an external traffic facility and transmitting a transmission signal; a signal receiving unit, configured to be disposed on an vehicle, being communicative with the at least one signal transmitting unit to receive the transmission signal; an data access device, being communicative with the signal receiving unit and storing the transmission signal; an on-board diagnostic system, generating a diagnostic signal according to an operating information of the vehicle; a processing unit, being respectively communicative with the data access device and the on-board diagnostic system, the processing unit integrating the transmission signal and the diagnostic signal into a course of driving information which is stored on at least one of the data access device and the on-board diagnostic system.

Description

Autonomous driving driving record system and its recording method

The invention relates to an automatic driving driving record system and its recording method.

Generally, a driving recorder is a video device that records images, sounds and other relevant information while the vehicle is driving, which can be used as evidence after an accident to assist in analyzing the responsibility for the accident. However, since conventional driving recorders use images to record environmental information outside the vehicle, it is easy to be unable to fully record the vehicle and the surrounding environment (such as other vehicles, pedestrians, traffic signs or markings, etc.) due to improper placement and angle of the video device. ), and the driver’s driving behavior at the moment of the accident cannot be clearly understood from the driving recorder, causing inconvenience in use.

In addition, as technology advances rapidly, the development of autonomous driving technology has also received attention. How to detect and record changes in the external environment (such as traffic signals, lights, obstacles, relative position to other vehicles, distance or speed, etc.) to assist the automatic judgment and action of the driving system has also become an urgent problem to be solved.

Therefore, it is necessary to provide a novel and progressive automatic driving driving recording system and its recording method to solve the above problems.

The main purpose of the present invention is to provide an automatic driving driving recording system and its recording method, which can integrate and store vehicle operating information and external environment information.

To achieve the above object, the present invention provides an autonomous driving driving record system, including: at least one signal transmitting unit, each signal transmitting unit is provided at an external transportation facility and can send a transmission signal related to information about the external transportation facility. ; A signal receiving unit for being disposed in a vehicle, capable of communicating with the at least one signal transmitting unit and receiving the transmitted signal; an information access device, being disposed on the vehicle, capable of communicating with the signal receiving unit and storing the transmitted signal signal; an on-board diagnostic system for being installed on the vehicle to generate a diagnostic signal based on the operating status information of the vehicle; and a processing unit that can communicate with the information access device and the on-board diagnostic system respectively, the processing unit The sending signal and the diagnostic signal can be integrated to form a driving history information, and stored in at least one of the information access device and the on-board diagnostic system.

In order to achieve the above object, the present invention also provides a recording method of the automatic driving driving record system as described above, including the following steps: obtaining the transmission signal sent by the at least one signal transmission unit through the signal receiving unit; storing the transmission signal In the information access device; generate the diagnostic signal based on the vehicle's operating status information through the on-board diagnostic system; integrate the sending signal and the diagnostic signal in time sequence through the processing unit to form the driving history information; store the driving history information At least one of the information access device and the on-board diagnostic system.

The following examples are only used to illustrate the possible implementation modes of the present invention, but are not intended to limit the scope of protection of the present invention.

Please refer to Figures 1 to 2, which show a preferred embodiment of the present invention. The automatic driving driving recording system 1 of the present invention includes at least a signal transmitting unit 10, a signal receiving unit 20, an information access device 30, a vehicle A diagnostic system 40 and a processing unit 50 are installed.

Each of the signal transmitting units 10 is provided in an external transportation facility 2 and can transmit a transmission signal related to information about the external transportation facility 2; the signal receiving unit 20 is provided in a vehicle 3 and can transmit with the at least one signal. The unit 10 communicates with and receives the transmission signal; the information access device 30 is provided in the vehicle 3 and can communicate with the signal receiving unit 20 and store the transmission signal; the on-board diagnostic system 40 is provided in the vehicle 3 according to The operating status information of the vehicle 3 generates a diagnostic signal; the processing unit 50 can communicate with the information access device 30 and the on-board diagnostic system 40 respectively, and the processing unit 50 can integrate the sending signal and the diagnostic signal to form a driving signal. The history information is stored in at least one of the information access device 30 and the on-board diagnostic system 40 . Thereby, the driving record system 1 can store the running status information and external environment information of the vehicle 3 more completely and synchronously.

The external traffic facility 2 may be, for example, a vehicle 3, a light device, a marking, a speed limit sign or a warning sign, etc.; the sending signal includes at least one of traffic light information, location information, traffic signal information and speed limit information. , whereby the information access device 30 can completely record relevant information such as the location of the external transportation facility 2, the time period allowed for traveling on the road section, the speed limit, the relative speed or distance between the adjacent vehicles, etc., thereby assisting a The autonomous driving system makes judgments and actions based on the driving history information. The at least one signal transmitting unit 10 and the signal receiving unit 20 are preferably connected through a 5G network, which has high message transmission rate and short delay time. The signal receiving unit 20 can preset a signal receiving range to receive the transmission signal located within the signal receiving range. In other embodiments, the at least one signal transmitting unit and the signal receiving unit can also communicate through other wireless communication methods.

The autonomous driving driving recording system 1 further includes at least one sensing device 60 provided on the vehicle 3. Each sensing device 60 communicates with at least one of the signal receiving unit 20 and the information access device 30. The information The access device 30 can store a sensing signal from the at least one sensing device 60 to obtain other information outside the vehicle 3, such as pedestrians, obstacles, terrain or weather conditions within the sensing range. In this way, each sensing signal can assist the autonomous driving system in determining its actions, such as automatically braking when pedestrians or obstacles are within a preset range, slowing down when the weather is bad, etc. The sensing signal can be integrated into the driving history information through the processing unit 50; the at least one sensing device 60 includes at least a camera, a radar sensor, a light sensor, an infrared sensor and an ultrasonic sensor. One of them can be configured according to needs. In this embodiment, the at least one sensing device 60 communicates with the signal receiving unit 20 wirelessly, which can reduce the wiring configuration and facilitate assembly. However, the at least one sensing device may also be in wired communication with the information access device.

Preferably, the on-board diagnostic system 40 includes a Controller Area Network (CAN) bus communication interface 41 and at least one electronic device 42 connectable to the CAN bus communication interface 41. The driving history Information can be output from the CAN bus communication interface 41 to the at least one electronic device 42 for reading, and the operation is convenient without the need to set up an additional output interface. The at least one electronic device 42 includes at least one of a vehicle-mounted navigation device, a driving recorder and a computer, and can be configured to be directly read by the vehicle-mounted navigation device or an additionally installed driving recorder in the vehicle 3 as required, or by Also connected to an external computer for reading.

The autonomous driving driving recording system 1 can also be used as an auxiliary system when human driving. Preferably, the processing unit 50 can control the at least one electronic device 42 to generate a prompt message based on at least one of the sending signal, the diagnostic signal and the driving history information; the prompt message includes a light signal, audio, text and image. Like at least one of them. In this way, when driving visibility is poor or there is a functional failure of the vehicle 3, the prompt message can assist the driver in identifying traffic signs, marking positions or indicating malfunction status, etc., thereby reducing human misjudgments and increasing driving safety.

The autonomous driving driving recording system 1 further includes an air purification module 70 disposed on the vehicle 3 to process the air outside the vehicle 3 , and the at least one sensing device 60 further includes an air purification module 70 for sensing the air outside the vehicle 3 The processing unit 50 can control the opening and closing of the air purification module 70 based on the sensing signal of the air quality detection device 61, so that when the air quality outside the vehicle 3 is poor, , the air purification module 70 can filter external air while the vehicle 3 is running, thereby improving the air quality of the environment. For example, the air purifying module 70 includes an air inlet 71 provided on the front side of the vehicle 3, an air outlet 72 provided on the rear side of the vehicle 3, and an air inlet 71 and the air outlet 72 connected. The filter unit 73 between them facilitates the circulation of air outside the vehicle 3 and saves the power required for exhausting the air. However, the air purification module also includes at least one fan for sucking in and discharging external air.

The present invention also provides a recording method of the autonomous driving driving record system 1 as described above, including the following steps: obtaining the transmission signal sent by the at least one signal transmission unit 10 through the signal receiving unit 20; storing the transmission signal in the The information access device 30 generates the diagnostic signal based on the operating status information of the vehicle 3 through the on-board diagnostic system 40; integrates the sending signal and the diagnostic signal in time sequence through the processing unit 50 to form the driving history information; and stores the driving history. The history information is stored in at least one of the information access device 30 and the on-board diagnostic system 40 . Specifically, the information access unit 30 stores a plurality of the transmission signals according to a first timing sequence, the on-board diagnostic system 40 stores a plurality of the diagnostic signals according to a second timing sequence, and the processing unit 50 compares the first and second The timing sequence is used to integrate the plurality of sending signals and the plurality of diagnostic signals into the driving history information with consistent timing. In this way, the automatic driving driving record system 1 can be used as a basis for judgment of the automatic driving system, and can record the environmental conditions and control processes during driving in detail; and can assist in the judgment of driving conditions when human driving, and can also be used to judge driving conditions. This driving history information restores the time and space conditions at the time when the traffic accident occurred, making it easier to clarify the responsibility for the accident.

1:Autonomous driving driving record system 2: External transportation facilities 3: Vehicle 10: Signal transmitting unit 20: Signal receiving unit 30:Information access device 40: Vehicle diagnostic system 41:CAN bus communication interface 42:Electronic devices 50: Processing unit 60: Sensing device 61:Air quality detection device 70:Air purification module 71:Air inlet 72:Air outlet 73:Filter unit

Figure 1 is a schematic diagram of a preferred embodiment of the present invention. Figure 2 is a block diagram of a preferred embodiment of the present invention.

2: External transportation facilities 3: Vehicle

Claims (2)

An automatic driving driving recording system, including: at least one signal transmitting unit, each signal transmitting unit is configured to be installed on an external transportation facility and can send a transmission signal related to information about the external transportation facility; a signal receiving unit is configured to In a vehicle, it can communicate with the at least one signal transmitting unit and receive the transmitted signal; an information access device is provided in the vehicle, can communicate with the signal receiving unit and store the transmitted signal; an on-board diagnostic system, For being installed on the vehicle to generate a diagnostic signal based on the operating status information of the vehicle; and a processing unit that can communicate with the information access device and the on-board diagnostic system respectively, and the processing unit can integrate the sending signal and the diagnosis The signal forms a driving history information and is stored in at least one of the information access device and the on-board diagnostic system; wherein, the autonomous driving driving recording system also includes at least one sensing device provided on the vehicle, each of which The sensing device is in communication with at least one of the signal receiving unit and the information access device, and the information access device can store a sensing signal from the at least one sensing device; wherein the at least one sensing device includes a camera , at least one of a radar sensor, a lidar sensor, an infrared sensor and an ultrasonic sensor; and wherein the transmitted signal includes at least traffic light information, location information, signal information and speed limit information. One of them; the at least one signal transmitting unit and the signal receiving unit are connected through a 5G network; the at least one sensing device is in wireless communication with the signal receiving unit; the sensing signal can be integrated in the processing unit through the processing unit Driving history information; the vehicle diagnostic system includes a Controller Area Network transmission (Controller Area Network Network, CAN) bus communication interface and at least one electronic device that can be connected to the CAN bus communication interface, the driving history information can be output to the at least one electronic device from the CAN bus communication interface; the at least one electronic device includes a At least one of a vehicle navigation device, a driving recorder and a computer; the processing unit can control the at least one electronic device to generate a prompt message based on at least one of the sending signal, the diagnostic signal and the driving history information; the prompt message includes At least one of a light signal, audio, text and image; the driving recording system further includes an air purification module provided on the vehicle to process the air outside the vehicle, and the at least one sensing device further includes a sensing device An air quality detection device is used to detect the air quality outside the vehicle. The processing unit can control the opening and closing of the air purification module based on the sensing signal of the air quality detection device; the air purification module includes an air purification module provided on the vehicle. An air inlet on the front side of the vehicle, an air outlet provided on the rear side of the vehicle, and a filter unit connected between the air inlet and the air outlet. A recording method of an autonomous driving driving record system as described in claim 1, including the following steps: obtaining the transmission signal sent by the at least one signal transmission unit through the signal receiving unit; storing the transmission signal in the information access device ; Generate the diagnostic signal based on the operating status information of the vehicle through the on-board diagnostic system; integrate the sent signal and the diagnostic signal in time sequence through the processing unit to form the driving history information; store the driving history information in the information access device and at least one of the diagnostic systems on the vehicle.

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