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	Nonaffine, nonlinear controller for HVDC systems for constant DC currents and DC voltages
	Ding Qingqing ; Wang Shumin ; Quo Jingbo
	2010-05-10 ; 2010-05-10
关键词	Practical/ closed loop systems feedback HVDC power convertors invertors linear quadratic control linearisation techniques multivariable control systems nonlinear control systems rectifying circuits stability/ HVDC systems constant DC currents constant DC voltages third-order nonaffine nonlinear high voltage direct current model rectifiers inverters multivariable nonlinear control decoupling optimal controller feedback linearization linear quadratic regulator LQR closed loop control system zero-dynamic stability converter stability phase-transfer failure/ B8360 Power convertors and power supplies to apparatus B0260 Optimisation techniques C3340H Control of electric power systems C1340K Nonlinear control systems C1330 Optimal control C1180 Optimisation techniques C1320 Stability in control theory C1340B Multivariable control systems
中文摘要	A third-order nonaffine, nonlinear high voltage direct current (HVDC) model was developed to supply constant rectifier DC current and inverter DC voltage in HVDC systems. The inverse system method for multivariable nonlinear control was used to design a nonaffine, nonlinear, two-input and two-output decoupling optimal controller using feedback linearization and linear quadratic regulator (LQR). The stability of the closed loop control system was analyzed to identity the necessary and sufficient conditions for zero-dynamic stability. The scheme improves the converter stability and prevents phase-transfer failure. Simulations verify the effectiveness of the method.
语种	中文 ; 中文
出版者	Tsinghua Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21997]
专题	清华大学
推荐引用方式 GB/T 7714	Ding Qingqing,Wang Shumin,Quo Jingbo. Nonaffine, nonlinear controller for HVDC systems for constant DC currents and DC voltages[J],2010, 2010.
APA	Ding Qingqing,Wang Shumin,&Quo Jingbo.(2010).Nonaffine, nonlinear controller for HVDC systems for constant DC currents and DC voltages..
MLA	Ding Qingqing,et al."Nonaffine, nonlinear controller for HVDC systems for constant DC currents and DC voltages".(2010).

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