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| Two-degree-of-freedom H-infinity control of combustion in diesel engine using a discrete dynamics model |
| M.Hirata,S.Ishizuki,M.Suzuki |
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| (Department of Electrical and Electronic Systems Engineering, Utsunomiya University, 7-1-2 Yoto, Utsunomiya, Tochigi 321-8585, Japan) |
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| 基金项目:This work was supported by ``Innovative Combustion Technology' of a cross-ministerial strategic innovation promotion program (SIP) under Japan Science and Technology Agency (JST). |
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| Two-degree-of-freedom H-infinity control of combustion in diesel engine using a discrete dynamics model |
| M. Hirata,S. Ishizuki,M. Suzuki |
| (Department of Electrical and Electronic Systems Engineering, Utsunomiya University, 7-1-2 Yoto, Utsunomiya, Tochigi 321-8585, Japan) |
| Abstract: |
| This paper proposes an H-infinity combustion control method for diesel engines. The plant model is the discrete dynamics model developed by Yasuda et al., which is implementable on a real engine control unit. We introduce a two-degree-of-freedom control scheme with a feedback controller and a feedforward controller. This scheme achieves both good feedback properties, such as disturbance suppression and robust stability, and a good transient response. The feedforward controller is designed by taking the inverse of the static plant model, and the feedback controller is designed by the H-infinity control method, which reduces the effect of the trubocharger lag. The effectiveness of the proposed method is evaluated in simulations using the nonlinear discrete dynamics model. |
| Key words: Combustion control, diesel engines, H-infinity control, two-degree-of-freedom control |
