Method for reproducing an error that occurs during the driving operation of a vehicle

A technology for vehicles in operation, which is applied in the direction of registration/instruction of vehicle operation, vehicle testing, machine/structural component testing, etc., and can solve problems such as customer dissatisfaction, failure reproduction impossible, unreliability, etc.

Pending Publication Date: 2021-05-14
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This creates the problem for the service personnel trying to eliminate the fault that it is not possible to reproduce the fault for the load situation described by the customer.
At the same time, non-technical statements from vehicle users are often not sufficient for diagnosing the problem
Due to the costs associated with this, unreliable repairs based on inaccurate diagnoses are often not implemented, so that the problem often remains noticeable to customers and leads to customer dissatisfaction

Method used

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  • Method for reproducing an error that occurs during the driving operation of a vehicle
  • Method for reproducing an error that occurs during the driving operation of a vehicle

Examples

Experimental program
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Embodiment Construction

[0023] Faults that occur during driving operation of the vehicle 10 can be reproduced by means of the method according to the invention figure 1 The process shown in the implementation. exist figure 2 A vehicle 10 schematically shown in is a conventional vehicle including an internal combustion engine (engine) and / or an electric motor as a drive source. A vehicle 10 constructed in a conventional manner and therefore not described in further detail below comprises a controller 12 , the already mentioned engine 14 as drive source, and brakes 16 acting on wheels 18 , 20 . The controller 12 is designed to be connected to an engine tester 30 outside the vehicle in order to exchange data therewith.

[0024] In order to carry out the method according to the invention, the vehicle 10 is immobilized in a test environment, for example a workshop of a vehicle manufacturer, according to step S1 . The vehicle 10 can be secured by means of the brakes 16 acting on the wheels 18 , 20 . B...

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PUM

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Abstract

The invention describes a method for reproducing an error that occurs during the driving operation of a vehicle (10). For this purpose, the vehicle (10) is fixed in position in order to prevent movement relative to a reference surface (5) on which the vehicle (10) is located. A speed profile provided by an engine analyzer is read into a control device of the vehicle and is converted by the control device into a load profile. Subsequently, with the brake (16) activated, the control device (12) in the vehicle automatically runs through the speed profile, the device having converted the speed profile into at least one control parameter of the engine (10) and / or the transmission over time in order to simulate the load profile, when the vehicle is under load as a result of the activation of its brake.

Description

technical field [0001] The invention relates to a method for reproducing faults occurring during driving operation of a vehicle, a computer program product and a controller of a vehicle, which is designed to carry out the method according to the invention. Background technique [0002] During the operation of a vehicle, complaints frequently arise on the part of its users concerning the driving behavior of the vehicle or malfunctions during the operation of the vehicle. In the present invention, a vehicle is understood not only as a motor vehicle with an internal combustion engine, but also as a vehicle that can be operated partially or completely electrically, for example a hybrid electric vehicle or a vehicle that is operated with a battery. In the case of complaints of such faults within the scope of a workshop stop, it is generally not possible to reproduce the load situation in which the fault described by the customer occurred. In particular, roller test stands are re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/007G07C5/08
CPCG01M17/0074G01M17/007B60W30/18109B60W50/06B60W2050/065B60W2510/0638B60W2510/0676
Inventor S·格拉斯莱纳F·哈特尔
Owner BAYERISCHE MOTOREN WERKE AG
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