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Method for operating a steering system of a motor vehicle and corresponding steering system

A technology for steering systems and motor vehicles, applied in the field of steering systems, can solve problems such as a fault identification system identified as a switch-on fault, and achieve the effects of reliable inspection, reliable electrical connection, and a simple method.

Active Publication Date: 2022-05-17
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus, the fault recognition system may even recognize a switch-on fault when the value of the current intensity is within the normal range

Method used

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  • Method for operating a steering system of a motor vehicle and corresponding steering system

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Embodiment Construction

[0036] figure 1 A schematic illustration of a part of a steering system 1 that can be used, for example, in a motor vehicle is shown. The steering system 1 has two steering arms 2 and 3 which are respectively operatively connected, in particular rigidly connected, to the hub carrier 4 . A wheel 5 of the motor vehicle is mounted rotatably on the wheel carrier 4 . The hub carrier 4 is mounted rotatably about the axis of rotation 6 in each case on a part of the body 7 of the motor vehicle, for example on an axle carrier 8 .

[0037] In the exemplary embodiment shown here, the steering arms 2 and 3 , which are present as tie-rod arms, are connected to one another via a tie-rod 9 . A tie rod 9 is mounted on each of the steering arms 2 and 3 so that it can rotate about axes of rotation 10 and 11 . In this case, the axes of rotation 10 and 11 are arranged at a distance from the respective axis of rotation 6 , so that a displacement of the tie rod 9 , in particular a linear displac...

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Abstract

The invention relates to a method for operating a steering system (1) of a motor vehicle, the steering system (1) having at least one steering arm (2, 3) and at least one electric motor (13) When the steering arm (2, 3) is made to cause the displacement of the steering movement, the motor (13) is electrically connected to the power supply (16) through the cable (14), and it is characterized in that, in order to check in the absence of steering regulations The electrical connection between the power source (15) and the motor (13), which operates the motor (13) and measures the current flowing between the power source (15) and the motor (13), in order to generate or consume reactive current in order to avoid Actuating the electric motor (13) in the manner of a steering movement and / or for displacing the steering arm (2, 3), wherein the motor vehicle is in a parked state and / or when the steering arm is secured by means of a locking device This manipulation is performed in the case of (2, 3). The invention also relates to a steering system (1) of a motor vehicle.

Description

technical field [0001] The invention relates to a method for operating a steering system for a motor vehicle, wherein the steering system has at least one steering arm and at least one electric motor for displacing the steering arm causing a steering movement when a steering requirement is present, The motor is electrically connected to the power supply through cables. The invention also relates to a steering system for a motor vehicle. Background technique [0002] Document US 6 995 567 B2 is known from the prior art, for example. This document relates to a fault detection system for electric steering systems. The fault identification system determines a turn-on fault of the first to fourth switching elements of the "H" bridge circuit of the electric power steering system. The fault detection system detects switching faults by measuring the value of the current intensity and fluctuations in the value of the current intensity. Thus, it is even possible for the fault dete...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D5/04B62D7/20
CPCB62D5/04B62D5/0463B62D7/20B60N2/002B60R25/021B62D5/0481B62D5/046B62D5/091B62D5/092B62D5/001
Inventor A·韦森贝格
Owner AUDI AG