Unmanned brake system and safety detection method thereof
A technology of unmanned driving and braking system, applied in the direction of braking safety system, etc., can solve the problem of abnormal braking system, unable to detect whether the braking system is normal, etc., and achieve the effect of reducing accidents.
Inactive Publication Date: 2020-02-07
GUANGZHOU SAITE INTELLIGENCE TECH CO LTD
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Problems solved by technology
[0002] Driverless cars mainly rely on the computer system-based intelligent driver in the car to realize driverless driving. It uses on-board sensors to sense the surrounding environment of the vehicle, and controls the vehicle based on the road, vehicle position and obstacle information obtained from the perception. The steering and speed of the vehicle, so that the vehicle can run safely and reliably on the road, and the main problem to be solved by the unmanned vehicle is the safety issue. The braking system of the vehicle is the guarantee of safety. Drive, the system cannot detect whether the braking system is normal when the braking action is not performed, and can only perform the braking action when braking is required, and at the same time detect whether the braking system is normal
However, if the braking system is abnormal at this time, serious consequences will occur.
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[0019] refer to figure 1 , figure 1 Schematic diagram of the embodiment of the unmanned braking system provided by the present invention, including servo motors, gears, push rods, hydraulic mechanisms, pressure transmitters, wheels, mechanical limit devices, processing controllers, processing controllers and servo motors 1 Connection, the servo motor 1 is connected to the gear, the gear is connected to the push rod 2, the push rod 2 is connected to the hydraulic mechanism 3, the hydraulic mechanism 3 is connected to the pressure transmitter 4, the hydraulic mechanism 3 is connected to the wheel 5, and the hydraulic mechanism 3 is used to control The wheel 5 is braked, and the mechanical limiter 6 is arranged on the track of the reverse movement of the push rod 2, and the mechanical limiter 6 is used to limit the distance of the reverse movement of the push rod 2. Teeth are arranged on the push rod 2, and the gears and the teeth mesh to drive the push rod 2 to move linearly in...
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The invention discloses an unmanned brake system. The unmanned brake system comprises a servo motor, a gear, a push rod, a hydraulic mechanism, a pressure transmitter, vehicle wheels, a mechanical limit device, and a processing controller, wherein the processing controller is connected with the servo motor; the servo motor is connected with the gear; the gear is connected with the push rod; the push rod is connected with the hydraulic mechanism; the hydraulic mechanism communicates with the pressure transmitter; the hydraulic mechanism is connected with the vehicle wheels; the hydraulic mechanism is used for controlling the vehicle wheels to brake; the mechanical limit device is arranged on the track of reverse movement of the push rod; and the mechanical limit device is used for limitingthe distance of the reverse movement of the push rod. The unmanned brake system is capable of detecting whether a fault occurs or not in the brake system in a normal running process of a vehicle, so that the occurrence probability of an accident is reduced.
Description
technical field [0001] The invention relates to the technical field of unmanned driving, in particular to a safety detection method for an unmanned driving braking system. Background technique [0002] Driverless cars mainly rely on the computer system-based intelligent driver in the car to realize driverless driving. It uses on-board sensors to sense the surrounding environment of the vehicle, and controls the vehicle based on the road, vehicle position and obstacle information obtained from the perception. The steering and speed of the vehicle, so that the vehicle can run safely and reliably on the road, and the main problem to be solved by the unmanned vehicle is the safety issue. The braking system of the vehicle is the guarantee of safety. Drive, the system cannot detect whether the braking system is normal when the braking action is not performed, and can only perform the braking action when braking is required, and at the same time detect whether the braking system is...
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IPC IPC(8): B60T17/22
CPCB60T17/22
Inventor 李睿董旭赖志林俞锦涛
Owner GUANGZHOU SAITE INTELLIGENCE TECH CO LTD