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Emergency protective system for mistake floorboarding of vehicle

A safety system and accidental stepping technology, applied in the direction of brakes, etc., can solve the problems such as the effect or cost is not widely used, difficult to implement, not in line with driving habits, etc., to achieve obvious braking effect, strengthen braking effect, and improve vehicle safety. Effect

Inactive Publication Date: 2008-07-16
张国法
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Changing the shape or position of the accelerator and brake pedals is difficult to implement because it does not conform to driving habits, and the existing misstepping accelerator and brake devices have not been widely used due to the effect or cost.

Method used

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  • Emergency protective system for mistake floorboarding of vehicle
  • Emergency protective system for mistake floorboarding of vehicle

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Experimental program
Comparison scheme
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Embodiment Construction

[0018] Fig. 1 is a block diagram of the working process of the present invention. The invention detects the displacement value of the accelerator pedal in a certain period, and compares the measured value with the limit value of the corresponding value measured in the engine control unit ECU during normal driving. If the current displacement value does not exceed the normal value range, the normal driving of the car will not be restricted and the next cycle of detection will be carried out. If the current displacement value exceeds the normal value range, the misstepping accelerator discriminant device outputs a control current to the brake device to start braking, and at the same time controls the engine to enter idling operation. The present invention then detects whether the accelerator pedal is withdrawn. As long as the accelerator pedal is not retracted, continue to maintain the braking force and control the engine to run at idle speed. When the accelerator pedal is ret...

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Abstract

The invention discloses an automobile safety system for mistakenly treading a throttle in emergency, relating to an active safety field of automobile; the invention comprises a judging device of mistakenly treading the throttle and a brake device; an engine control unit (ECU) is used for detecting the displacement amount in a certain period according to senor signals; the action of treading the throttle at a time is judged as a mistake when the detected value exceeds a corresponding threshold value of normally treading the throttle; when the throttle is treaded by mistake, the ECU outputs a braking current to start the brake device and control an engine to operate in an idle speed state; when a throttle pedal is withdrawn, the automatic brake ends up and enters into the next work period.

Description

Technical field [0001] The invention relates to an active safety device for an automobile, in particular to an emergency safety system for accidentally stepping on the gas pedal of an automobile. Background technique [0002] Since the accelerator pedal and the brake pedal of the car are now controlled by the driver's right foot, in an emergency, some drivers are prone to slam on the brakes but step on the accelerator by mistake, causing the car not to stop but to accelerate and rush, which is very easy to happen. Serious consequences. At present, the common solutions are roughly divided into two types: changing the shape or position of the accelerator and brake pedals and automatic braking when the accelerator is stepped on by mistake. Changing the shape or position of the accelerator and brake pedals is difficult to implement because it does not conform to driving habits, and the existing misstepping accelerator brake device has not been widely used due to effect or cost ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/171
Inventor 张国法
Owner 张国法
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