电子学报
電子學報
전자학보
ACTA ELECTRONICA SINICA
2014年
9期
1753-1759
,共7页
李宁%李颖晖%朱喜华%雷洪利%俞佳
李寧%李穎暉%硃喜華%雷洪利%俞佳
리저%리영휘%주희화%뢰홍리%유가
模型预测控制%混合逻辑动态建模%可行解%移动闭塞
模型預測控製%混閤邏輯動態建模%可行解%移動閉塞
모형예측공제%혼합라집동태건모%가행해%이동폐새
model predictive control%mixed logic dynamic model%feasibility%move blocking
电力电子电路是典型的混杂系统,文章建立了一种新型容错逆变电路的混杂系统模型,与开关函数模型相比,电路混杂系统模型能更好地描述电路的动态过程,有助于实现电路的精确控制。在此基础之上,将可行解及移动闭塞的思想用于电路的MPC ,以电路可行解代替最优解,可有效减少电路控制序列总数、降低开关频率,实现电路MPC的快速求解,仿真和实验验证了控制方法的可行性与有效性。
電力電子電路是典型的混雜繫統,文章建立瞭一種新型容錯逆變電路的混雜繫統模型,與開關函數模型相比,電路混雜繫統模型能更好地描述電路的動態過程,有助于實現電路的精確控製。在此基礎之上,將可行解及移動閉塞的思想用于電路的MPC ,以電路可行解代替最優解,可有效減少電路控製序列總數、降低開關頻率,實現電路MPC的快速求解,倣真和實驗驗證瞭控製方法的可行性與有效性。
전력전자전로시전형적혼잡계통,문장건립료일충신형용착역변전로적혼잡계통모형,여개관함수모형상비,전로혼잡계통모형능경호지묘술전로적동태과정,유조우실현전로적정학공제。재차기출지상,장가행해급이동폐새적사상용우전로적MPC ,이전로가행해대체최우해,가유효감소전로공제서렬총수、강저개관빈솔,실현전로MPC적쾌속구해,방진화실험험증료공제방법적가행성여유효성。
Power electronic circuits are typical hybrid system .The paper established a hybrid system model for a fault-toler-ant inverter .Compared with the switch function model ,the hybrid system model of circuit could particularly depict the dynamic pro-cess of circuit ,which would be beneficial to the accurate control for the circuit .Then ,this paper researched circuit model predictive control(MPC) based on feasibility and move blocking ,and replaced optimal solution with feasibility solution ,which could reduce the number of control sequence and lower the switching frequency to fast solve the circuit MPC .Its feasibility and validity is verified by the simulation and experiment .