Method for giving an early warning for fatigue driving

A technology for fatigue driving and driving mileage, which is applied to alarms, instruments, etc.

Inactive Publication Date: 2011-03-16
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a non-monitoring driving method to solve the shortcomings in the prior art that the monitoring data varies from person to person, the data is scattered, and the driver is easy to avoid. The driver itself has nothing to do with the human body, and the fatigue driving warning method that the driver cannot avoid

Method used

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  • Method for giving an early warning for fatigue driving
  • Method for giving an early warning for fatigue driving
  • Method for giving an early warning for fatigue driving

Examples

Experimental program
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Embodiment

[0033] A kind of fatigue driving early warning method of the present embodiment, see figure 1 , let the system sampling time =30s, the number of teeth of the vehicle's four wheel speed sensors Both are 40, the radius of the tire =307mm, warning mileage threshold =280km, alarm rest time threshold =30.

[0034] when the system starts =0, =0, within one sampling time, the collected pulses from the four wheel speed sensors are:

[0035] =13831, =13804, =13852, =13833

[0036] Then, the mileage of the car during this sampling time

[0037] =0.6667km

[0038] at this time 0, then =0, km

[0039]Continuous driving mileage at this time Less than the set warning mileage threshold ,Break time Also less than the set alarm rest time threshold , the program returns to the entry for the next sampling.

[0040] Assume that in the second sampling, the collected pulse numbers from the four wheel speed sensors are:

[0041] =12560, =12534, =12...

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Abstract

The invention relates to a method for giving an early warning for fatigue driving, and aims to provide a method for giving an early warning for fatigue driving, which avoids monitoring a driver, namely, being dependent of the human body, and therefore, makes it impossible for the driver to avoid a test. The method comprises that: when an ignition switch of the engine is turned off, the system starts to operate; and the system determines if to give a warning according to the correspondence between a continuous driving range parameter S and a rest time parameter T. By using the existing equipment of an automobile to detect the driving state of the automobile, the result does not vary with drivers, so the reliability of the method is high, it is impossible for the driver to avoid the test, and the method is low in cost and easy to promote; and an early warning can be given before the driver is really fatigue, so the driver has time to plan rest time; and thus, a pre-warning function is realized.

Description

technical field [0001] The invention relates to the field of automobile manufacturing, more specifically, the invention relates to a fatigue driving early warning method for safe driving. Background technique [0002] As my country's cars gradually enter the family, the number of motor vehicles continues to increase, and at the same time the incidence of traffic accidents is also rising, and traffic accidents caused by fatigue driving account for about 20% of the total number of accidents, accounting for more than 40% of serious traffic accidents , it can be said that fatigue has become the enemy of safe driving. [0003] Fatigue driving refers to the phenomenon that the driver's physiological function and psychological function are disordered after driving for a long time, and the driving skill declines objectively. Driving a vehicle for a long time is prone to fatigue. Fatigue driving can affect various aspects such as driver's attention, sensation, perception, thinking,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/02
Inventor 刘全有丁勇杨安志金吉刚翟洪军郭梦梦李书福杨健赵福全
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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