H<sub>2</sub>/H<sub>∞</sub> networked control for high-speed train with parameter uncertainty and data transmission time-varying delay

Ji, Juanjuan; Cui, Yanliang; Shi, Guozhen; Shi, Rui

doi:10.23919/ccc52363.2021.9550461

Cited by 1 publication

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“…The hysteresis and wear of elastic devices all cause state delay (Li et al, 2020a, 2020b; Yang et al, 2022; Zhang et al, 2018a, 2021). Robust H ∞ cruise control for HST with parameter uncertainty, time-varying delay, and disturbances is proposed, which ensures both high-precision speed tracking and H ∞ performance in Sun et al (2018) and Ji et al (2021). The displacement and speed sensors of the HSTs detect train running data in real time and transmit it to the controller.…”

Section: Introductionmentioning

confidence: 99%

H_∞ cruise control for high-speed trains with process and data transmission time-varying delay

Zhang

Cui

2023

Transactions of the Institute of Measurement and Control

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This paper investigates an H∞ cruise control strategy for uncertain high-speed trains (HSTs) with two time-varying delays. The multibody model of the cascading car is established, taking into account the influence of the flexible coupler and the basic resistance (rolling mechanical resistance + aerodynamic resistance) in the actual operation process. There are many uncertainties in the actual operation of the train, such as disturbances caused by gusts and track irregularities and time-varying delays caused by flexible couplers. Based on the above factors, this paper fully considers and supplements the multibody model. A cruise control strategy based on Lyapunov stability theory and linear matrix inequality (LMI) is proposed. The state feedback control rate with input short time delay is designed, and a cruise control method with double time-varying delays is proposed by sampling data. Constructed Lyapunov–Krasovskii function (LKF) with time-delay parameters for time-delay systems to fully introduce the information of time delays. In view of the disturbance effect, the sufficient condition to suppress the disturbance is given. The proposed H∞ cruise control method controls the fluctuating speed and displacement of the train to quickly converge to the steady state. The HST at equilibrium tracks the desired velocity and ensures a stable relative displacement. The specified H∞ interference attenuation level is achieved to ensure safe and comfortable operation. Two numerical simulations are carried out to illustrate the effect of state time-varying delay and disturbance on train stationarity, which proves the superiority of the proposed method.

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Section: Introductionmentioning

confidence: 99%

H_∞ cruise control for high-speed trains with process and data transmission time-varying delay

Zhang

Cui

2023

Transactions of the Institute of Measurement and Control

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H₂/H_∞ networked control for high-speed train with parameter uncertainty and data transmission time-varying delay

Cited by 1 publication

References 17 publications

H_∞ cruise control for high-speed trains with process and data transmission time-varying delay

H_∞ cruise control for high-speed trains with process and data transmission time-varying delay

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H2/H∞ networked control for high-speed train with parameter uncertainty and data transmission time-varying delay

Cited by 1 publication

References 17 publications

H∞ cruise control for high-speed trains with process and data transmission time-varying delay

H∞ cruise control for high-speed trains with process and data transmission time-varying delay

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H₂/H_∞ networked control for high-speed train with parameter uncertainty and data transmission time-varying delay

H_∞ cruise control for high-speed trains with process and data transmission time-varying delay

H_∞ cruise control for high-speed trains with process and data transmission time-varying delay