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    • Antisurge Strategy for Turbocharger Without Charge Air Bypass Valve
    DOI：10.13949/j.cnki.nrjgc.2018.03.013
    Key Words:vehicle engine  turbocharger  charge air bypass valve  surge
    Author NameAffiliation
    LIU Junjie，MA Junjun，PANG Ming，ZHU Xiaohui Propulsion Systems Department， Pan Asia Technical Automotive Center， Shanghai 201201, China 
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    Abstract:Most of the turbocharged engines are equipped with a charge air bypass valve to control surge. In order to reduce cost and weight of the engine, an antisurge strategy was developed by controlling the throttle closing speed based on a turbocharger without charge air bypass valve, which was verified by the vehicle test. Results show that the strategy could effectively eliminate the surge of the turbocharger without charge air bypass valve.
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