A Study of Mechanism of Idling Vibration at Low Frequency Range of Rear Wheel Drive Vehicle Equipped with Hybrid System with Planetary Gear-type Power Split Device

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  • 遊星歯車式動力分割機構を用いたハイブリッドシステムを搭載したＦＲ車の 低周波アイドル振動発生メカニズムの考察
  • ユウセイ ハグルマシキ ドウリョク ブンカツ キコウ オ モチイタ ハイブリッド システム オ トウサイ シタ FRシャ ノ テイシュウハ アイドル シンドウ ハッセイ メカニズム ノ コウサツ

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Abstract

Idling vibration of an internal combustion engine vehicle usually occurs by the engine force of 1st order of combustion. But there are other engine forces at frequencies lower than the 1st order of combustion. We call these vibrations ‘Idling vibration at low frequency range’ in this paper. THSII(Toyota Hybrid System II) drive-line has different torsional vibration characteristics compared to a conventional gasoline engine vehicle with automatic transmission. Nonlinear characteristics caused by the state of backlash of pinions and splines influences change of the torsional resonance frequency. This paper describes the control technique which can tune desirable torsional resonance frequency of this system.

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