Modeling and feedback linearization based sliding mode control of diesel engines for waterjet propulsion vessels

Xu, Zijing; Gao, Shihang; Han, Yuxiao; Yuan, Jingqi

doi:10.1016/j.conengprac.2020.104647

Cited by 7 publications

(3 citation statements)

References 18 publications

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“…This is in comparison with most of the existing work (Z. Xu et al, 2020). Therefore, the methodology developed in this paper can be applied to a wide class of interconnected systems.…”

Section: Reachability Analysismentioning

confidence: 80%

Decentralised state feedback stabilisation for nonlinear interconnected systems using sliding mode control*

Nan

Yan

Mao

et al. 2021

International Journal of Systems Science

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In this paper, the stabilisation problem is considered for a class of nonlinear interconnected systems with matched uncertainties and mismatched unknown interconnections. A composite sliding surface is designed firstly, and a set of conditions is developed to guarantee that the corresponding sliding motion is uniformly asymptotically stable. Then, decentralised state feedback sliding mode control is proposed to drive the interconnected systems to the designed sliding surface in finite time, and a sliding motion is maintained thereafter. The bounds on the uncertainties and interconnections have more general nonlinear forms, which are employed in the control design to reject the effects of uncertainties and unknown interconnections to enhance the robustness. It is not required either the isolated nominal subsystems linearisable or the interconnections linearisable. Finally, a numerical simulation example is presented to demonstrate the effectiveness of the proposed control strategy.

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“…This is in comparison with most of the existing work (Z. Xu et al, 2020). Therefore, the methodology developed in this paper can be applied to a wide class of interconnected systems.…”

Section: Reachability Analysismentioning

confidence: 80%

Decentralised state feedback stabilisation for nonlinear interconnected systems using sliding mode control*

Nan

Yan

Mao

et al. 2021

International Journal of Systems Science

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“…The research results of Gugulothu show that compared with the hemispherical combustion chamber, the toroidal combustion chamber improves the air swirl and the brake thermal efficiency and reduces the CO and CH emissions, which is more suitable for highstrengthened diesel engines [16]. Studies found that fuzzy-PID and sliding mode control strategies have a significant effect on improving the response speed of the diesel engine speed control system [17,18]. Liu et al [19] obtained good comprehensive performance of diesel fuel injection systems by developing a new permanent magnet, in which the driving response speed was improved by 11.9%.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation on Combustion and Performance of Diesel Engine under High Exhaust Back Pressure

Huang

Liu

et al. 2022

Machines

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The use of exhaust gas recirculation, complex after-treatment systems, advanced technology of high-strength engines, and underwater exhaust will lead to increased diesel exhaust back pressure (EBP). This will increase the residual exhaust gas and the exchange temperature in the cylinder and reduce the fresh air charged in the next cycle. In this work, the effects of two high EBP conditions (10 kPa and 25 kPa) on the performance of medium-speed ship engines under different loads are explored through experiments. The results show that the increase in EBP from 10 kPa to 25 kPa has little effect on the heat release rate, engine power, and engine start-up time. However, it will lead to ignition advance and the maximum pressure rise rate, peak pressure, and exhaust temperature increase. The increase in EBP has a more significant impact on the small valve overlap angle. Because the reduction in the valve overlap angle has led to an increase in the residual exhaust gas, further increases in EBP causes residual exhaust gas effects to be more pronounced. The effect of increasing EBP on fuel consumption depends primarily on which effect of exhaust back pressure on temperature and fresh air intake dominates.

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“…Research on diesel generator sets includes modeling [2,3], operation regulation [4], and coordination of control [5][6][7][8], among which modeling and control research are both important parts.…”

Section: Introductionmentioning

confidence: 99%

Hamiltonian Modeling and Structure Modified Control of Diesel Engine

et al. 2021

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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.

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Modeling and feedback linearization based sliding mode control of diesel engines for waterjet propulsion vessels

Cited by 7 publications

References 18 publications

Decentralised state feedback stabilisation for nonlinear interconnected systems using sliding mode control*

Decentralised state feedback stabilisation for nonlinear interconnected systems using sliding mode control*

Experimental Investigation on Combustion and Performance of Diesel Engine under High Exhaust Back Pressure

Hamiltonian Modeling and Structure Modified Control of Diesel Engine

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