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Throttle valve control method and device

A control method and throttle position technology, applied in electrical control, engine control, fuel injection control, etc., can solve problems affecting vehicle driving safety and achieve the effect of ensuring driving safety

Active Publication Date: 2022-03-01
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a throttle control method and device to solve the problem in the prior art that the throttle sensor fails and affects the driving safety of the vehicle

Method used

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  • Throttle valve control method and device
  • Throttle valve control method and device
  • Throttle valve control method and device

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Embodiment Construction

[0044] By way of the above drawings, specific embodiments of the invention have been shown and will be described in more detail hereinafter. These drawings and written descriptions are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept for those skilled in the art by referring to specific embodiments.

[0045] figure 1 A schematic diagram of the architecture of the throttle control system provided by the embodiment of the present invention, such as figure 1 As shown: the throttle control framework in the embodiment of the present invention includes: an electronic control unit (Electronic Control Unit, ECU) 101 , a throttle position sensor 102 , an H-bridge drive circuit 103 and a throttle 104 . The ECU 101 is respectively connected to a throttle position sensor 102 and an H-bridge drive circuit 103 , and the H-bridge drive circuit 103 is connected to a throttle valve 104 . The ECU 101 obtains the current throttle posi...

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PUM

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Abstract

The present invention provides a throttle control method and device. When the throttle sensor fails, the target position information of the throttle is obtained according to the control signal of the throttle; the throttle is determined according to the target position information of the throttle. The position change of the valve; by querying the preset table, determine the optimal driving duty cycle and the optimal driving time corresponding to the position change of the throttle; according to the optimal driving duty cycle and the optimal driving Timely driving the throttle, so that the throttle reaches the target position, to ensure the driving safety of the vehicle.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a throttle valve control method and device. Background technique [0002] When the car is running, the engine electronic control unit generates the engine driving signal according to the signals transmitted by the air flow meter, the throttle sensor and the crankshaft position sensor, and controls the movement of the valve core and the motor shaft through the engine driving signal, so as to realize the opening and opening of the throttle valve. close. [0003] However, in the daily driving process, if the maintenance of the engine electronic control unit is not in place, the throttle position sensor will fail. For example, the throttle position sensor fails due to the short circuit or open circuit of the idle switch; or the throttle position sensor is improperly installed, so that the idle switch cannot be completely closed when the throttle is fully closed, or the idle swit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/00F02D41/24
CPCF02D41/0002F02D41/2422F02D41/2451
Inventor 于洪峰秦春红曹红艳华典
Owner WEICHAI POWER CO LTD