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HAO Li-jun, HUANG Ying, ZHUANG Fu-jun, GE Yun-shan. Research on the Control Strategy of Variable Nozzle Turbocharger for Natural Gas Engine[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2010, 19(1): 37-41.
Citation: HAO Li-jun, HUANG Ying, ZHUANG Fu-jun, GE Yun-shan. Research on the Control Strategy of Variable Nozzle Turbocharger for Natural Gas Engine[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2010, 19(1): 37-41.
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Research on the Control Strategy of Variable Nozzle Turbocharger for Natural Gas Engine

  • School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2008-11-26
    Abstract
  • A variable nozzle turbocharger (VNT) was applied to a 2.2-liter L4 natural gas engine, and a VNT control system was designed to operate it. Based on VNT matching test results, a VNT control strategy was studied, in which VNT adjustment is carried out through pre-calibrated VNT handling rod position, combined with a closed-loop target boost pressure feedback using proportional-integral-derivative(PID) algorithm. Experimental results showed that the VNT control system presented in this thesis can lead to optimized performance of VNT, increase engine volumetric efficiency over a wide speed range, improve engine dynamic characteristics and upgrade economic performance.
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    • References (12)
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