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Redundant electromechanical system

An electromechanical system, redundant technology, applied in the direction of brake control system, brake system interaction, electrical control, etc., can solve problems such as comfort loss

Active Publication Date: 2020-06-23
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This steering system, while capable of addressing most of the overheating situations that occur without completely cutting off the servo assist, does so at the expense of a significant loss of comfort, as the servo assist falls back to a more perceptible level. low level

Method used

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  • Redundant electromechanical system
  • Redundant electromechanical system
  • Redundant electromechanical system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] figure 1 An autonomous steering system in motor vehicle 1 (partially illustrated) is shown in a simplified partial illustration. The figure shows a redundant electromechanical system 2 , which drives a vehicle steering 4 via a drive shaft 3 . The vehicle steering device comprises a pinion 7 driven by a drive shaft 3 , which acts on a rack 8 . The toothed rack 8 in turn acts on a tie rod 5 , which is articulated to both ends of the toothed rack 8 . The tie rod 5 is rotatably fastened with its second end to the knuckle arm of the wheel suspension 17 and transmits the movement of the toothed rack 8 to the steered wheels 6 fastened to the wheel suspension 17 .

[0032] The redundant electromechanical system 2 has two paths, wherein the first path includes the first energy supply device 12.1, the first control circuit 11.1 and the first coil set 10.1 of the dual motor / dual rotor motor 9. The second path similarly includes a second energy supply device 12.2, a second contr...

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PUM

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Abstract

The present invention relates to a redundant electromechanical system. The redundant electromechanical system has a dual-channel structure and is connected to a mechanical device or can be connected to output variable mechanical power. The redundant electromechanical system (2) has a connection with a control unit (13) The device by means of which the overload in the passage and / or the overload ofthe passage parts and / or the overload in the mechanical device can be detected by the control unit (13), and when the overload is detected, the control unit can be used (13) to determine the reduction factor (Rf) that reacts to the overload. The reduction factor can be applied by means of the control unit (13). The size of the reduction factor (Rf) is set to be such that when the control unit applies the reduction factor, the maximum available system power of the two channels is sufficient to achieve functionality. When the reduction factor is considered as a control parameter, the channel power can be controlled by the control unit in the following manner so that the corresponding current channel power reacts to the overload.

Description

technical field [0001] The invention relates to a redundant electromechanical system and a method for operating a redundant electromechanical system according to the preambles of the independent claims. Background technique [0002] Mechatronic systems are generally functionally integrated devices of mechatronic systems, in which sensors acquire signals, processors process information, and actuators are used to affect the base system, which is usually mechanical. Therefore, electromechanical systems usually have a mechanical basic structure. Sensors that determine the state of the basic mechanisms and system environment transmit signals to the information processing unit. In this case, the sensor signals are processed and control variables are generated according to defined rules. With this manipulated variable, the actuator influences the behavior of the basic system of the machine. [0003] Such electromechanical systems are used in many technical fields, in particular ...

Claims

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Application Information

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IPC IPC(8): B60R16/03B62D5/04
CPCB60R16/03B62D5/0487B62D5/003F02D41/22F02D2400/08F02D2041/2079F02D41/20B60W50/023F02D2041/226B60T2270/404B60T2270/82B60T2260/02
Inventor A·韦森贝格M·卡瑟梅耶
Owner AUDI AG