Hybrid System Simulation Method Based on Quantized State

doi:10.16182/j.issn1004731x.joss.20-0309

Abstract

Abstract: Hybrid system simulation and discontinuity processing have always been the difficulties of the time-discretized integration methods, while Quantized State System (QSS) is a new numerical integration method based on state variable discretization. Aiming at the hybrid systems simulation, a method of QSS+DEVS is proposed. The discrete part of hybrid system is represented as DEVS model, and the continuous part of hybrid system is discretized by QSS, which can also be represented as DEVS model. The simulation model of the whole hybrid system is obtained by coupling the two DEVS models. The accuracy, efficiency and simplicity of the QSS+DEVS method are verified by the simulation resucts of two example systems, which provides a new approach for hybrid system simulation.

Key words: quantized state system, DEVS, hybrid system, simulation, event detection

CLC Number:

TP391

Li Zhihua, Jiang De, Shen Hanwu, Fan Zhihua. Hybrid System Simulation Method Based on Quantized State[J]. Journal of System Simulation, 2021, 33(8): 1775-1783.

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