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Control method for fault diagnosis of accelerator pedal of new energy vehicle

A new energy vehicle, accelerator pedal technology, applied in vehicle components, circuits or fluid pipelines, transportation and packaging, etc., can solve problems such as failure type diagnosis of accelerator pedal failures, driving hazards, etc., to prevent driving hazards and ensure safety. Effect

Active Publication Date: 2015-11-04
BEIJING HYUNDAI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a control method for fault diagnosis of the accelerator pedal signal of a new energy vehicle, which can solve the problem that the fault type diagnosis and fault treatment of the accelerator pedal cannot be performed and cause driving hazards

Method used

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  • Control method for fault diagnosis of accelerator pedal of new energy vehicle
  • Control method for fault diagnosis of accelerator pedal of new energy vehicle
  • Control method for fault diagnosis of accelerator pedal of new energy vehicle

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Embodiment Construction

[0033] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0034] figure 1 It is a schematic diagram of the method for fault diagnosis and control of the accelerator pedal of a new energy vehicle provided by an embodiment of the present invention, as shown in figure 1 As shown, the specific steps are as follows:

[0035] Step S1: collecting the output signal of the accelerator pedal to obtain the pre-output signal of the accelerator pedal;

[0036] Step S2: judging whether the accelerator pedal pre-output signal is normal;

[0037] In step S2, the accelerator pedal pre-output signal value is compared with a first threshold and a second threshold;

[0038] If the value of the accelerator pedal pre-output signal...

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Abstract

The invention discloses a control method for fault diagnosis of an accelerator pedal of a new energy vehicle, and relate to the field of vehicle control of new energy vehicles. The method comprises: acquiring output signals of an accelerator pedal to obtain an accelerator pedal pre-outputting signal; determining whether the accelerator pedal pre-outputting signal is normal or not; if the accelerator pedal pre-outputting signal is determined to be normal, using the accelerator pedal pre-outputting signal as an accelerator pedal outputting signal; if the accelerator pedal pre-outputting signal is determined to be abnormal, using the stored accelerator pedal outputting signal which is determined to be normally previously or a preset signal as the accelerator pedal outputting signal. The method can determine transient faults or permanent faults of an accelerator pedal through performing fault zone bit anti-shaking processing on two paths of output signals of the accelerator pedal, so as to realize rational fault processing on different fault types of the accelerator pedal, and ensure security of driving of a finished vehicle.

Description

technical field [0001] The invention relates to the field of vehicle control of new energy vehicles, in particular to a control method for fault diagnosis of accelerator pedals of new energy vehicles. Background technique [0002] In recent years, environmental pollution has become increasingly serious, and air quality has continued to deteriorate. The exhaust gas of traditional fuel vehicles contains a large amount of pollutants, which is one of the causes of smog. New energy vehicles can reduce the emission of vehicle exhaust pollutants, especially pure electric vehicles can drive without pollution, so promoting the research and development of new energy vehicles has become a hot topic in recent years. [0003] The vehicle controller is the core control component of new energy vehicles, and the voltage signal of the accelerator pedal is one of the most important input analog quantities of the vehicle controller, which directly reflects the driver's driving intention and is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R16/02
Inventor 邵赓华曹桂军应翔
Owner BEIJING HYUNDAI
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