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Variable Valve Actuation for Timing Control of a Homogeneous Charge Compression Ignition Engine
Technical Paper
2005-01-0147
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Autoignition of a homogeneous mixture is very sensitive to operating conditions. Therefore fast combustion phasing control is necessary for reliable operation. There are several means to control the combustion phasing of a Homogeneous Charge Compression Ignition (HCCI) engine. This paper presents cycle-to-cycle cylinder individual control results from a six-cylinder HCCI engine using a Variable Valve Actuation (VVA) system. As feedback signal, the crank angle for 50% burned, based on cylinder pressure, is used. Three control structures are evaluated, Model Predictive Control (MPC), Linear Quadratic Gaussian control (LQG) and PID control. In the control design of the MPC and LQG controller, dynamic models obtained by system identification were used. Successful experiments were performed on a port-injected six-cylinder heavy-duty Diesel engine operating in HCCI mode.
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Strandh, P., Bengtsson, J., Johansson, R., Tunestål, P. et al., "Variable Valve Actuation for Timing Control of a Homogeneous Charge Compression Ignition Engine," SAE Technical Paper 2005-01-0147, 2005, https://doi.org/10.4271/2005-01-0147.Also In
Homogeneous Charge Compression Ignition (HCCI) Combustion 2005
Number: SP-1963; Published: 2005-04-11
Number: SP-1963; Published: 2005-04-11
Homogeneous Charge Compression Ignition (HCCI) Combustion on CD-ROM from the SAE 2005 World Congress
Number: SP-1982CD; Published: 2005-04-11
Number: SP-1982CD; Published: 2005-04-11
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