电气自动化
電氣自動化
전기자동화
ELECTRICAL AUTOMATION
2014年
6期
1-4
,共4页
内置式永磁同步电机%解耦%内模控制%复域%虚拟阻抗
內置式永磁同步電機%解耦%內模控製%複域%虛擬阻抗
내치식영자동보전궤%해우%내모공제%복역%허의조항
built-in permanent magnet synchronous motor%decoupling%internal model control%complex domain%virtual impedance
分析了交、直轴电流耦合对IPMSM调速系统转矩输出能力的影响，在考虑电机电气参数变化的基础上，采用内模控制进行电流环解耦，并在复域中对比分析了传统反馈解耦和内模解耦的抗参数扰动能力。针对内模控制系统进入稳态前出现的震荡现象，提出一种增加虚拟电阻的改进内模控制方法，仿真表明能有效实现交、直轴电流解耦，并提高系统的鲁棒能力。
分析瞭交、直軸電流耦閤對IPMSM調速繫統轉矩輸齣能力的影響，在攷慮電機電氣參數變化的基礎上，採用內模控製進行電流環解耦，併在複域中對比分析瞭傳統反饋解耦和內模解耦的抗參數擾動能力。針對內模控製繫統進入穩態前齣現的震盪現象，提齣一種增加虛擬電阻的改進內模控製方法，倣真錶明能有效實現交、直軸電流解耦，併提高繫統的魯棒能力。
분석료교、직축전류우합대IPMSM조속계통전구수출능력적영향，재고필전궤전기삼수변화적기출상，채용내모공제진행전류배해우，병재복역중대비분석료전통반궤해우화내모해우적항삼수우동능력。침대내모공제계통진입은태전출현적진탕현상，제출일충증가허의전조적개진내모공제방법，방진표명능유효실현교、직축전류해우，병제고계통적로봉능력。
This paper analyzes the effect that alternate and direct shaft currents produce upon the torque output capacity of the IPMSM speed regulating system.Under consideration of variations of the electrical parameters of the motor,internal model control is adopted to achieve current loop decoupling.In the complex domain,a comparative analysis is made of the parameter disturbance resistance of the classical feedback decoupling and internal model decoupling.With respect to the oscillation occurring before the internal model control system enters its steady state,an improved internal model control is presented to add a virtual resistor.Simulation results indicate that this method can effectively realize alternate and direct shaft current decoupling and improve the robustness of the system as well.
