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Method for actuating an electrically actuated friction brake

A friction brake, electric operation technology, applied in the direction of brakes, mechanical brakes, brake transmission devices, etc., can solve the problems of inaccuracy, incompatibility, inability to achieve braking effect, etc., and achieve the effect of avoiding inaccuracy

Active Publication Date: 2016-01-20
VE VIENNA ENG FORSCHUNGS & ENTWICKLUNGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is a simple, but imprecise braking operation, which is adequate for a parking brake, but certainly not suitable for a service brake, especially in a vehicle, because here it is important to reach the set point precisely and quickly. moving effect
Unintended overshoot can lead to unwanted and dangerous wheel locking and unintended undercontrol can lead to failure to achieve the desired braking effect

Method used

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  • Method for actuating an electrically actuated friction brake
  • Method for actuating an electrically actuated friction brake
  • Method for actuating an electrically actuated friction brake

Examples

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Embodiment Construction

[0024] Refer below figure 1 By way of example, the invention is explained in detail with the aid of a schematically shown electrically operated friction brake 1 in the form of a floating caliper disc brake. Floating-caliper disc brakes, as often installed in vehicles, are sufficiently known per se, so that the features and function of floating-caliper disc brakes and the basic installation of floating-caliper disc brakes, such as in vehicles, will not be described in detail here. In principle, however, the invention can also be used for other types of brakes, such as drum brakes. It is also possible to provide a further friction surface as a brake disc or drum, such as a more or less flat surface, for example as a brake for a linear movement.

[0025] figure 1 A friction brake 1 is shown with a floating caliper 2 as a brake caliper, which surrounds a friction surface, here in the form of a brake disk 4 . A fixed brake lining 3 (relative to the floating caliper 2 ) and a mov...

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PUM

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Abstract

The aim of the invention is to specifically influence the braking effect of a friction brake (1) in a certain operating point to be able to achieve reliable and simple regulation or control of a required target braking effect of the friction brake (1). For this purpose, an actuation energy (EE) of the electric motor (21) is determined for the braking process and the actuation energy (EE) determined is determined as the actual actuation energy (EE_ist) in the predetermined target position of the friction brake (1) and a target actuation energy (EE_soll) is determined with respect to the target position or with respect to a desired braking action from known data relative to the friction brake (1), a deviation between the actual actuation energy (EE_ist) and the target actuation energy (EE_soll) being compensated by actuating the friction brake (1)

Description

technical field [0001] The invention relates to a method for operating an electrically operated, motor-driven friction brake, in which the brake lining is pressed against the friction surface for a braking process in order to achieve a predetermined set braking effect of the friction brake up, i.e. by moving to the set position of the friction brake (1) corresponding to the set braking effect. Background technique [0002] For braking, friction brakes generate a predetermined braking torque, or similarly a braking pressure force, in general a specific braking effect. Based on the known force-travel characteristics of the brake actuation, a desired braking torque or brake application force can be assigned to the actuating path, such as the actuating angle, which must be traversed in order to achieve the desired braking effect. Since the braking torque is equal to the friction force multiplied by the friction radius and the friction force is equal to the brake application for...

Claims

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Application Information

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IPC IPC(8): F16D65/16B60T13/06F16D65/18B60T13/74
CPCB60T13/741B60T13/065F16D55/16F16D65/18F16D2121/14F16D2121/24F16D2125/28
Inventor M·普茨
Owner VE VIENNA ENG FORSCHUNGS & ENTWICKLUNGS
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