一种感应电机预测控制的电流静差消除方法
感应电机电流预测控制可以有效避免由电流环中各个滞后环节所导致的控制性能恶化,提高电流控制的动态性能。但由于测量误差以及参数变化等原因,预测控制器所使用的感应电机模型参数与实际电机参数很有可能存在偏差,进而引起电流静差,导致系统效率降低,无法输出额定转矩及无法工作在转矩控制模式等问题。在感应电机模型基础上,定量分析了预测控制模型参数误差对电流控制稳定性的影响,并推导出电流指令与实际反馈电流的静差与模型参数误差两者之间的定量关系,进而提出一种电流静差消除方法。这种方法通过d、q轴反馈电流对预测控制模型参数进行校正,来消除控制器电机模型参数误差所引起的静差。最后通过实验验证了此种方法的可靠性和有效性...
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| Published in | 电机与控制学报 Vol. 19; no. 11; pp. 1 - 9 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
哈尔滨工业大学 电气工程系,黑龙江 哈尔滨,150001%上海辛格林纳新时达电机有限公司,上海,201801
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1007-449X |
| DOI | 10.15938/j.emc.2015.11.001 |
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| Abstract | 感应电机电流预测控制可以有效避免由电流环中各个滞后环节所导致的控制性能恶化,提高电流控制的动态性能。但由于测量误差以及参数变化等原因,预测控制器所使用的感应电机模型参数与实际电机参数很有可能存在偏差,进而引起电流静差,导致系统效率降低,无法输出额定转矩及无法工作在转矩控制模式等问题。在感应电机模型基础上,定量分析了预测控制模型参数误差对电流控制稳定性的影响,并推导出电流指令与实际反馈电流的静差与模型参数误差两者之间的定量关系,进而提出一种电流静差消除方法。这种方法通过d、q轴反馈电流对预测控制模型参数进行校正,来消除控制器电机模型参数误差所引起的静差。最后通过实验验证了此种方法的可靠性和有效性。 |
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| AbstractList | TM921; 感应电机电流预测控制可以有效避免由电流环中各个滞后环节所导致的控制性能恶化，提高电流控制的动态性能。但由于测量误差以及参数变化等原因，预测控制器所使用的感应电机模型参数与实际电机参数很有可能存在偏差，进而引起电流静差，导致系统效率降低，无法输出额定转矩及无法工作在转矩控制模式等问题。在感应电机模型基础上，定量分析了预测控制模型参数误差对电流控制稳定性的影响，并推导出电流指令与实际反馈电流的静差与模型参数误差两者之间的定量关系，进而提出一种电流静差消除方法。这种方法通过d、q轴反馈电流对预测控制模型参数进行校正，来消除控制器电机模型参数误差所引起的静差。最后通过实验验证了此种方法的可靠性和有效性。 感应电机电流预测控制可以有效避免由电流环中各个滞后环节所导致的控制性能恶化,提高电流控制的动态性能。但由于测量误差以及参数变化等原因,预测控制器所使用的感应电机模型参数与实际电机参数很有可能存在偏差,进而引起电流静差,导致系统效率降低,无法输出额定转矩及无法工作在转矩控制模式等问题。在感应电机模型基础上,定量分析了预测控制模型参数误差对电流控制稳定性的影响,并推导出电流指令与实际反馈电流的静差与模型参数误差两者之间的定量关系,进而提出一种电流静差消除方法。这种方法通过d、q轴反馈电流对预测控制模型参数进行校正,来消除控制器电机模型参数误差所引起的静差。最后通过实验验证了此种方法的可靠性和有效性。 |
| Abstract_FL | Current predictive control of induction motor can effectively avoid the deterioration of control performance caused by delay in current loop, and dynamic performance of current can be improved. However, due to measurement error, parameter changes and other reasons, deviation probably existed be-tween the induction motor model parameters which predictive controller used and the actual motor parame-ters, then static current error were caused, system efficiency was lowered, failed to output nominal torque, and could not operate in torque control mode. Based on induction motor model, influence on cur-rent control stability was quantitatively analyzed caused by predictive control model parameter error, the mathematical relation of model parameter error and the actual feedback current static error was presented, and an algorithm was proposed to eliminate the static error. The algorithm corrected predictive control model parameters through d、q axis current feedback, and static error caused by the controller motor mod-el parameter errors was eliminated. With experimental result, the stability and effectiveness of this pro-posed method were proved. |
| Author | 金辛海 张扬 杨明 徐殿国 |
| AuthorAffiliation | 哈尔滨工业大学电气工程系,黑龙江哈尔滨150001 上海辛格林纳新时达电机有限公司,上海201801 |
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| Author_FL | YANG Ming ZHANG Yang JIN Xin-hai XU Dian-guo |
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| Keywords | induction motor parameter correction predictive current control 预测电流控制 参数校正 current error elimination 感应电机 电流静差消除 |
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| Notes | Current predictive control of induction motor can effectively avoid the deterioration of control performance caused by delay in current loop,and dynamic performance of current can be improved.However,due to measurement error,parameter changes and other reasons,deviation probably existed between the induction motor model parameters which predictive controller used and the actual motor parameters,then static current error were caused,system efficiency was lowered,failed to output nominal torque,and could not operate in torque control mode. Based on induction motor model,influence on current control stability was quantitatively analyzed caused by predictive control model parameter error,the mathematical relation of model parameter error and the actual feedback current static error was presented,and an algorithm was proposed to eliminate the static error. The algorithm corrected predictive control model parameters through d、q axis current feedback,and static error caused by the controller motor model parameter er |
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| PublicationTitle | 电机与控制学报 |
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| PublicationYear | 2015 |
| Publisher | 哈尔滨工业大学 电气工程系,黑龙江 哈尔滨,150001%上海辛格林纳新时达电机有限公司,上海,201801 |
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| SubjectTerms | 参数校正 感应电机 电流静差消除 预测电流控制 |
| Title | 一种感应电机预测控制的电流静差消除方法 |
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