PROBLEM TO BE SOLVED: To realize a good sprung vibration suppression effect even if variation in a pitching frequency is generated.SOLUTION: A filter process part 130 includes: a BPF part 131 including two BPFs; a level detection part 132 for detecting a level of an output signal of each BPF; a gain storage part 133 for storing a pitch rate conversion gain in a sprung vibration estimation part converting a frequency component of a wheel speed into a pitch rate; a filter selection part 134 for comparing multiplication values of signal levels and pitch rate conversion gains for individual BPFs and outputting a selection signal for selecting a BPF having a larger multiplication value; and a filter switchover part 135 for supplying the sprung vibration estimation part with an output signal of the BPF that is selected by the selection signal.SELECTED DRAWING: Figure 8

    【課題】 ピッチング周波数の変動が生じても、良好なばね上制振制御効果が得られるようにする。【解決手段】 フィルタ処理部130は、2つのBPFを備えたBPF部131と、各BPFの出力信号のレベルを検出するレベル検出部132と、ばね上振動推定部が車輪速の周波数成分をピッチレートに変換するピッチレート変換ゲインを記憶したゲイン記憶部133と、各BPFごとの信号レベルとピッチレート変換ゲインとの乗算値を比較し、乗算値が大きい方のBPFを選択する選択信号を出力するフィルタ選択部134と、選択信号によって選択されたBPFの出力信号をばね上振動推定部に供給するフィルタ切替部135とを備えた。【選択図】 図8


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    Title :

    VEHICULAR DRIVE FORCE CONTROL APPARATUS


    Additional title:

    車両の駆動力制御装置


    Contributors:

    Publication date :

    2017-06-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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