Control apparatus and operation method of actuator unit of electromechanical brake of motor vehicle
A technology of control devices and actuators, which is applied in the direction of brake transmission devices, brakes, brake safety systems, etc.
Active Publication Date: 2017-09-12
VOLKSWAGEN AG
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Problems solved by technology
However, this must be known in the control device in order to be able to detect the current set state of the actuator unit on the basis of the characteristic curve of the actuator unit
Method used
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[0076] The example explained below is a preferred embodiment of the present invention. In the exemplary embodiments, the described components of the specific embodiment each present individual features of the invention that can be considered independently of each other, which respectively improve the invention independently of each other and can therefore also be used individually or in a manner different from what is shown. Combinations Combinations are considered an integral part of the invention. Furthermore, the embodiments described can also be supplemented by further features of the invention which have already been described.
[0077] Functionally identical elements are provided with the same reference symbols in the figures.
[0078] figure 1 A part of the motor vehicle 1 is shown, for example the rear of the motor vehicle 1 . A wheel 2 with wheel brakes or simply brakes 3 and a control device 4 for the brakes 3 are present. The control device 4 can be provided, fo...
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The invention relates to a control apparatus and an operation method of the actuator unit of the electromechanical brake of a motor vehicle, and specifically relates to a method of a control apparatus of the actuator unit of the electromechanical brake of a motor vehicle. In order to clamp / or loosen the actuator, the actuator unit is electrically operated by the control apparatus; at the same time, at least one measured value of at least one current variable is detected; and according to at least one measured value and characteristic lines, the current position state of the actuator unit is obtained. In order to recognize at least one actuator model of the actuator unit, at least one model description is provided, at the same time, each model description is related with at least one actuator characteristic value, during the test process, the actuator unit is operated by the control apparatus, at least one measured value is detected at the same time, the model description is selected from at least one model description, and namely the related at least one actuator characteristic value satisfies the uniform standards of at least one detected measured value.
Description
technical field [0001] The invention relates to a method for operating a control device of an actuator unit for an electromechanical brake of a motor vehicle. The actuator unit can have, for example, an electric motor, a transmission and a switching device, by means of which the brake lining of the brake can be moved in translation. The brake can in particular be a parking brake (Parkbremse, sometimes referred to as a parking brake). A control device for carrying out the method also belongs to the invention. Finally, the invention also includes a motor vehicle having a control device according to the invention. Background technique [0002] Today's parking brake actuators are operated by a control device which can be integrated, for example, in a brake control system. Each parking brake actuator can be integrated in a wheel brake caliper. The control device of the brake and the actuator unit have to be coordinated with each other, so that replacement of the actuator unit...
Claims
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IPC IPC(8): B60T13/74B60T17/22
CPCB60T13/741B60T17/22B60T13/746
Inventor H.阿拉格茨U.布塞C.普罗策
Owner VOLKSWAGEN AG