Linear Parameter-Varying Lean Burn Air-Fuel Ratio Control
作者： Feng Zhang , K.M. Grigoriadist , M.A. Franchek , I.H. Makki
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摘要: Maximization of the fuel economy lean burn SI engine strongly depends on precise air-fuel ratio control. A great challenge associated with feedback control is large variable time delay in exhaust system. In this paper, a systematic development an controller based post-LNT UEGO sensor using linear parameter-varying (LPV) presented. Satisfactory stability and disturbance rejection performance obtained face delay. The LPV simplified to explicit parameterized gain scheduled 1st order form for ease implementation. Ford F-150 truck V8 4.6 Liter was used demonstrate design. Both simulation experimental results that designed regulates tailpipe preset reference full operating range.
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