The existing research of the integrated power and attitude control system（IPACS） in satellites mainly focuses on the IPACS concept,which aims at solving the coupled problem between the attitude control and power tra...The existing research of the integrated power and attitude control system（IPACS） in satellites mainly focuses on the IPACS concept,which aims at solving the coupled problem between the attitude control and power tracking.In the IPACS,the configuration design of IPACS is usually not considered,and the coupled problem between two flywheels during the attitude control and energy storage has not been resolved.In this paper,an integrated power and single axis attitude control system using two counter rotating magnetically suspended flywheels mounted to an air table is designed.The control method of power and attitude control using flywheel is investigated and the coupling problem between energy storage and attitude control is resolved.A computer simulation of an integrated power and single axis attitude control system with two flywheels is performed,which consists of two counter rotating magnetically suspended flywheels mounted to an air rotary table.Both DC bus and a single axis attitude are the regulation goals.An attitude ＆ DC bus coordinator is put forward to separate DC bus regulation and attitude control problems.The simulation results of DC bus regulation and attitude control are presented respectively with a DC bus regulator and a simple PD attitude controller.The simulation results demonstrate that it is possible to integrate power and attitude control simultaneously for satellite using flywheels.The proposed research provides theory basis for design of the IPACS.展开更多
针对传统不间断电源(uninterruptible power supply,UPS)系统中化学电池储能的不足,该文开展磁悬浮飞轮储能UPS系统研究。结合飞轮用永磁同步电机控制特性,研究基于扩展滑模观测器的无传感器充放电控制策略。首先建立系统模型和设计滑...针对传统不间断电源(uninterruptible power supply,UPS)系统中化学电池储能的不足,该文开展磁悬浮飞轮储能UPS系统研究。结合飞轮用永磁同步电机控制特性,研究基于扩展滑模观测器的无传感器充放电控制策略。首先建立系统模型和设计滑模观测器控制结构,在此基础上提出一种基于直流母线电压监测的参数在线修正方法,提高转子角位置估计精度。然后,给出飞轮UPS系统充放电切换策略。最后,将该文所设计控制方法应用到实际系统中,实验结果表明:飞轮UPS系统运行良好,观测器具有优越的估计性能,能够满足飞轮快速充放电控制性能要求。展开更多
基金supported by National Natural Science Foundation of China (Grant No. 60704025)
文摘The existing research of the integrated power and attitude control system（IPACS） in satellites mainly focuses on the IPACS concept,which aims at solving the coupled problem between the attitude control and power tracking.In the IPACS,the configuration design of IPACS is usually not considered,and the coupled problem between two flywheels during the attitude control and energy storage has not been resolved.In this paper,an integrated power and single axis attitude control system using two counter rotating magnetically suspended flywheels mounted to an air table is designed.The control method of power and attitude control using flywheel is investigated and the coupling problem between energy storage and attitude control is resolved.A computer simulation of an integrated power and single axis attitude control system with two flywheels is performed,which consists of two counter rotating magnetically suspended flywheels mounted to an air rotary table.Both DC bus and a single axis attitude are the regulation goals.An attitude ＆ DC bus coordinator is put forward to separate DC bus regulation and attitude control problems.The simulation results of DC bus regulation and attitude control are presented respectively with a DC bus regulator and a simple PD attitude controller.The simulation results demonstrate that it is possible to integrate power and attitude control simultaneously for satellite using flywheels.The proposed research provides theory basis for design of the IPACS.
文摘针对传统不间断电源(uninterruptible power supply,UPS)系统中化学电池储能的不足,该文开展磁悬浮飞轮储能UPS系统研究。结合飞轮用永磁同步电机控制特性,研究基于扩展滑模观测器的无传感器充放电控制策略。首先建立系统模型和设计滑模观测器控制结构,在此基础上提出一种基于直流母线电压监测的参数在线修正方法,提高转子角位置估计精度。然后,给出飞轮UPS系统充放电切换策略。最后,将该文所设计控制方法应用到实际系统中,实验结果表明:飞轮UPS系统运行良好,观测器具有优越的估计性能,能够满足飞轮快速充放电控制性能要求。
