Invention Grant
US08210986B2 Hybrid vehicle drive control apparatus 有权
混合动力车辆驱动控制装置

  • Patent Title: Hybrid vehicle drive control apparatus
  • Patent Title (中): 混合动力车辆驱动控制装置
  • Application No.: US12811486
    Application Date: 2009-02-23
  • Publication No.: US08210986B2
    Publication Date: 2012-07-03
  • Inventor: Katsuyuki Saito
  • Applicant: Katsuyuki Saito
  • Applicant Address: JP Yokohama
  • Assignee: Nissan Motor Co., Ltd.
  • Current Assignee: Nissan Motor Co., Ltd.
  • Current Assignee Address: JP Yokohama
  • Agency: Global IP Counselors, LLP
  • Priority: JP2008-052445 20080303
  • International Application: PCT/IB2009/000330 WO 20090223
  • International Announcement: WO2009/109821 WO 20090911
  • Main IPC: B60K1/02
  • IPC: B60K1/02
Hybrid vehicle drive control apparatus
Abstract:
A hybrid vehicle drive control apparatus is basically provided with an engine, a motor/generator, an electric power source and a controller. The electric power source exchanges electric power with the motor/generator. The controller selects between an EV drive mode in which a drive force is produced solely from the motor/generator and an HEV drive mode in which the drive force is at least partially produced from the engine. The EV drive mode and the HEV drive mode are based on at least a state of charge of the electric power source. The controller changes a state of charge region in which the EV drive mode is selected based on a degradation degree of the electric power source such that as the degradation degree of the electric power source becomes larger, the state of charge region in which the EV drive mode is selected becomes larger.
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