Eddy current retarder control system based on signal pulse filtering processing

Abstract

The invention discloses an eddy current retarder control system based on signal pulse filtering processing. The system comprises an eddy current retarder and is characterized by further comprising a single-chip microcomputer, a power supply module, a brake pedal, a shift switch, a switching quantity signal processing unit, a CAN bus data transceiving unit, a brake car light driving unit, a pulse filtering processing unit, an automobile master control unit, a trip computer, an eddy current retarder driving unit and a pulse signal acquisition unit, wherein the power supply module, the brake pedal, the shift switch, the switching quantity signal processing unit, the CAN bus data transceiving unit, the brake car light driving unit and the pulse filtering processing unit are respectively connected with the single-chip microcomputer; the automobile master control unit and the trip computer are respectively connected with the CAN bus data transceiving unit; the eddy current retarder driving unit is connected with the switching quantity signal processing unit; the pulse signal acquisition unit is connected with the pulse filtering processing unit; and the eddy current retarder is also simultaneously connected with the pulse signal acquisition unit and the eddy current retarder driving unit. According to the invention, the eddy current retarder control system can filter interference signals doped in load signals of the eddy current retarder and can accurately reflect real-time operation status of eddy current retarder.

Description

technical field [0001] The invention relates to an eddy current retarder control system, in particular to an eddy current retarder control system based on signal pulse filter processing. Background technique [0002] Eddy current retarder is an auxiliary braking device for automobiles, commonly known as electric brake, which is mainly used in large passenger cars, urban buses and heavy trucks. The device is installed between the car drive axle and the gearbox, and realizes non-contact braking through the principle of electromagnetic induction. [0003] With the popularity of eddy current retarders and the increasing number of electrical systems on passenger cars, more and more information exchanges between eddy current retarders and other electrical systems such as ABS systems and engine control systems, while traditional electrical signals The control method leads to more and more complicated wiring harness of the eddy current retarder control system, which increases the c...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the traditional eddy current retarder control system wiring harness is complicated, not only increases the cost, but also reduces the defect of reliability, to provide a kind of eddy current retarder control system based on signal pulse filter processing

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