自動車の運動性能向上技術 (Vehicle Dynamics and Control)


 加速性能と燃費性能を両立したハイブリッド電気自動車のトルク配分制御の研究
  Fuel Economy Improvement of Hybrid Truck Considering Longitudinal Vehicle Dynamics


  本研究では,小型ハイブリッドトラックの燃費性能の向上を目指している.現在,車両の燃費は,ドライバの運転操作
の違いによって大幅にバラツキが存在する.ドライバ運転操作と燃費・充放電状態(SOC)との関係を明確し,車両側の制御
により,加速感に影響を与えず,かつ効果的に燃費を向上できるディーゼルエンジン・モータのハイブリッドシステム
を開発することを目的とする.



RESEARCH ABSTRACT

This study aims to improve the fuel economy of light duty hybrid truck in the case of bad-mileague driver.
Longitudinal vehicle dynamics of light duty hybrid truck and driver following the preceding vehicle are modeled by
using experimental data of the actual target vehicle and driving simulator. Then, the problem that concerns the
increase of fuel consumption is clarified by theoretical analysis using computer simulation which include both two
above-mentioned models, the vehicle and the driver, as driver-vehicle system. Finally the control method of hybrid
system is proposed by considering driver pedal operation characteristics to improve fuel economy in vehicle following
situation.







Fig.1 Configuration of Hybrid Electric Vehicle Driving/Braking System




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