Mass production of hybrid systems started in 1997 with the Toyota Prius. Since then hybrid technology has evolved significantly and several hybrid vehicle have been launched to the market. In 2005, the performance oriented hybrid system THSII (SUV) was installed as further evolution of the hybrid technology in the Lexus RX400h and Toyota Highlander Hybrid. Hardware and control strategies of the THSII(SUV) were designed to achieve the target performance of a V8 powertrain in a SUV and the fuel consumption of a midsize passenger car with a 4-cylinder engine by combining a V6 engine with a high performance hybrid system, while securing the stringent emission standards of Euro 4 and SULEV at the same time. The hybrid system in the Lexus RX 400h consists of an engine, generating all energy, a front power unit integrating 2 electric machines and 2 planetary gear sets, a rear power unit for electric 4 wheel drive, a high performance NiMH battery and a power control unit to coordinate all electric energy flow between electric machines and battery. Engine, front power unit (front motor, generator and motor control technology), rear power unit, power control unit (PCU) and the high voltage battery are described. Environmental and driving performance of the Lexus RX400h are outlined.


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    Title :

    Hybrid technology in the Lexus RX400h combining high driving and environmental performance


    Additional title:

    Hybridtechnologie im Lexus RX400h, die Fahrleistung und Resourcenschonung verbindet


    Contributors:


    Publication date :

    2005


    Size :

    16 Seiten, 20 Bilder, 4 Tabellen, 12 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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