PROBLEM TO BE SOLVED: To enable excellent control of brake force even if a pulse-like variation is generated in pressure of working fluid due to influence of motor driving (such as rush current when starting a motor or the like) of a pump in a brake system without an accumulator.SOLUTION: A brake system 1 includes: a brake cylinder 2 which is operated by pressure of working fluid F; a pump 3 which supplies working fluid F to a brake cylinder 2 while pressurizing the working fluid by being driven by a motor 4; and a characteristic value acquisition device 70 which acquires a characteristic value corresponding to the pressure of the working fluid F. The characteristic value acquisition device 70 includes a sensor section 71 and a signal processing section 61. The sensor section 71 generates an electric signal corresponding to the pressure of the working fluid F. The signal processing section 61 performs smoothing processing of the electric signal according to the driving state of the motor 4.SELECTED DRAWING: Figure 1

    【課題】アキュムレータレスブレーキシステムにて、ポンプのモータ駆動(例えばモータ起動時の突入電流等)の影響で、作動流体圧力にパルス状の変動が発生しても、制動力の良好な制御を可能とする。【解決手段】ブレーキシステム1は、作動流体Fの圧力により作動するブレーキシリンダ2と、モータ4により駆動されることで作動流体Fを加圧しつつブレーキシリンダ2に供給するポンプ3と、作動流体Fの圧力に対応する特性値を取得する特性値取得装置70とを備える。特性値取得装置70はセンサ部71と信号処理部61とを備える。センサ部71は、作動流体Fの圧力に対応する電気信号を発生する。信号処理部61は、モータ4の駆動状態に応じて電気信号を平滑化処理する。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    BRAKE SYSTEM AND CHARACTERISTIC VALUE ACQUISITION DEVICE


    Additional title:

    ブレーキシステム及び特性値取得装置


    Contributors:

    Publication date :

    2018-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS



    CHARACTERISTIC ACQUISITION DEVICE OF ELECTROMAGNETIC VALVE AND BRAKE CONTROL DEVICE OF VEHICLE HAVING THE DEVICE

    WATANABE TOSHIYA / MASUDA YOSHIO | European Patent Office | 2023

    Free access

    CHARACTERISTIC ACQUISITION DEVICE

    MOTOYAMA KOYA | European Patent Office | 2024

    Free access

    OPERATION CHARACTERISTIC ACQUISITION DEVICE

    OYA KENTARO / OKANO TAKAHIRO / AJIMA HIROYOSHI et al. | European Patent Office | 2016

    Free access

    LINEAR VALVE CHARACTERISTIC ACQUISITION METHOD AND LINEAR VALVE CHARACTERISTIC ACQUISITION DEVICE

    NAKAOKA KOJI / KOMAZAWA MASAAKI / KAMIYA YUSUKE et al. | European Patent Office | 2017

    Free access

    TIRE CHARACTERISTIC VALUE MEASUREMENT DEVICE AND TIRE CHARACTERISTIC VALUE MEASUREMENT SYSTEM

    UEDA TATSUYA / SEIMOTO YASUTAKA | European Patent Office | 2017

    Free access