基于H_∞控制算法的单相逆变电源控制器研究  

Study on Single-phase Inverter Controller Based on H_∞ Control Algorithm

作　　者：陈宝远[1] 邹丽爽[1] 吴茜[1] 孙晨琳[1] 林喜荣[1] 

机构地区：[1]哈尔滨理工大学测控技术与仪器黑龙江省高校重点实验室,黑龙江哈尔滨150080

出　　处：《哈尔滨理工大学学报》2010年第4期14-18,共5页Journal of Harbin University of Science and Technology

基　　金：黑龙江省教育厅科学技术研究项目(11533030)

摘　　要：为了在设计阶段定量描述逆变电源所能承受的负载变化范围,设计了基于H∞控制理论的单相逆变电源控制器.在控制器设计过程中,充分考虑逆变电源的数学模型与实际对象之间的误差,运用输出端乘型描述方式,对因负载变化而引起的不确定性模型集合进行了描述,并将正弦信号作为控制系统设计和跟踪的目标.仿真结果表明,该控制方案使正弦波逆变电源获得了良好的稳态和动态性能,在承受阶跃噪声扰动时仍具有较好的控制品质,保证了控制系统抵抗负载参数变化引起的不确定性扰动的能力.In order to quantitatively describe the range of load change that the system can bear,a controller for inverter base on H∞ control method is designed in this paper.The error between mathematical model and practical object ofinverter is fully considered in the design.Using the output multiplicative perturbation to describe the uncertainty model caused by the load changing,sinusoidal signal is used as designing and tracking target.Simulation results show that the controller can endow the SPWM inverter with good steady state and dynamic performance and it can also keep better control quality under the disturbance of step noise.The designed controller can ensure the ability of control system to withstand uncertain disturbance caused by parameter variations of load.

关 键 词：H∞控制算法 SPWM逆变电源 输出乘法扰动 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]