Hamiltonian Modeling and Structure Modified Control of Diesel Engine

Jing Qian, Yakun Guo, Yidong Zou and Shige Yu
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Jing Qian: Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
Yakun Guo: School of Engineering, University of Bradford, Bradford BD7 1DP, UK
Yidong Zou: Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
Shige Yu: Department of Engineering Mechanics, Kunming University of Science and Technology, Kunming 650500, China

Energies, 2021, vol. 14, issue 7, 1-13

Abstract: A diesel engine is a typical dynamic system. In this paper, a dynamics method is proposed to establish the Hamiltonian model of the diesel engine, which solves the main difficulty of constructing a Hamiltonian function under the multi-field coupling condition. Furthermore, the control method of Hamiltonian model structure modification is introduced to study the control of a diesel engine. By means of the principle of energy-shaping and Hamiltonian model structure modification theories, the modified energy function is constructed, which is proved to be a quasi-Lyapunov function of the closed-loop system. Finally, the control laws are derived, and the simulations are carried out. The study reveals the dynamic mechanism of diesel engine operation and control and provides a new way to research the modeling and control of a diesel engine system.

Keywords: diesel generator sets; modeling; generalized Hamiltonian; Lagrangian equation; modified control; damping; structure (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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