Car fatigue driving safety protection system and method
A technology for fatigue driving and safety protection, which is applied to the safety devices of power plant control mechanisms, tractors, motor vehicles, etc. Safety and the effect of avoiding traffic accidents
Active Publication Date: 2018-12-28
DONGFENG MOTOR CORP HUBEI
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Problems solved by technology
[0002] Motor vehicles drive for a long time, the driver is prone to fatigue, especially now that the work pressure is high, the driver is slow to respond when driving fatigued, and it is difficult to deal with it in time when an emergency occurs
In addition, due to the large inertia of some large trucks, the braking distance is too long, which is more prone to traffic accidents
Method used
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[0033] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0034] like figure 1 As shown, a car fatigue driving safety protection system includes a fatigue driving warning system 1, a system switch input unit 2, an accelerator opening signal unit 3, an engine speed signal unit 4, a vehicle speed signal unit 5, a system control (ECU) 6, Engine controller (EMS) 7, audio-visual entertainment system host 8, body controller (BCM) 9, oil pump relay unit 10, brake signal, and electronic stability control system (ESC) 11. Fatigue driving warning system 1, system switch input unit 2, accelerator opening signal unit 3, engine speed signal unit 4 and vehicle speed signal unit 5 communicate with the system controller 6 through the CAN line, and the system control 6 communicates with the engine controller 7 through the CAN line Communication, the system controller 6 outputs the oil cut-off signal and sends it to th...
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The invention relates to the technical field of automobile electronics, in particular to an automobile-fatigue-driving safety protecting system and method. The system comprises a fatigue driving early-warning system, a system switch input unit, a system opening-degree signal unit, an engine-rotating-speed signal unit, an automobile-speed signal unit, a system controller, an engine controller, an oil pump relay unit and an electronic stable control system. The method includes the steps that the system controller conducts fatigue level judgment according to various input signals and outputs corresponding instructions to the engine controller, the oil pump relay unit and the electronic stable control system according to fatigue levels; the opening degree of an engine throttle is limited according to the identified fatigue strength of a driver, and whether fuel cutting and braking are carried out or not is determined. In this way, when the driver is in the low fatigue strength state, driving is conducted at the safe automobile speed without fuel cutting and limitation of the opening degree of the throttle, and traffic accidents caused by wrongly treading the throttle are effectively avoided; meanwhile, when the fatigue strength is excessively large, fuel cutting and emergency braking are conducted, and personal safety is guaranteed.
Description
technical field [0001] The invention relates to the technical field of automobile electronics, in particular to an automobile fatigue driving safety protection system and method. Background technique [0002] Motor vehicles drive for a long time, the driver is prone to fatigue, especially now that the work pressure is high, the driver is unresponsive when driving tired, and it is difficult to deal with it in time when an emergency occurs. In addition, due to the large inertia of some large trucks, the braking distance is too long, which is more prone to traffic accidents. According to the survey, my country's road traffic accidents have been on the rise, and traffic accidents caused by fatigue driving account for a large proportion of traffic accidents. Therefore, it is necessary to invent a method to avoid safety accidents caused by fatigue driving. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provide...
Claims
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IPC IPC(8): B60K28/06B60K26/02B60T7/12
CPCB60K26/02B60K28/06B60K28/063B60K28/066B60T7/14B60T2201/02
Inventor秦龙黄永逸
OwnerDONGFENG MOTOR CORP HUBEI