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| 1 | A Survey on Fault Diagnosis and Fault Tolerant Methodologies for Permanent Magnet Synchronous Machines显示文摘This paper presents a comprehensive survey of fault diagnosis and fault tolerant approaches for permanent magnet synchronous machines(PMSM).PMSMs are prominent in the pervading usage of electric motors,for their high efficiency,great robustness,reliability and low torque inertia.In spite of their extensive appliance,they can be quite non-resilient and inadequate in operation when faults appear in motor drive apparatus such as inverters,stator windings,sensors,etc.These may lead to insulation failure,torque fluctuations,overcurrent or even system collapse.On that account,fault diagnosis and fault tolerant methods are equipped to enhance the stability and robustness in PMSMs.Progressive methodologies of PMSM fault diagnosis and tolerance are classified,discussed,reviewed and compared in this paper,beginning with mat hematical modeling of PMSM and then scrutinizing various fault conditions in PMSMs.Finally,the scope of research on the topic is highlighted.The contribution of this review is to emphasize optimistic schemes and to assist researchers with the latest trends in this field for future directions. | Erphan A.Bhuiyan Md.Maeenul Azad Akhand Sajal K.Das Md.F.Ali Z.Tasneem Md.R.Islam D.K.Saha Faisal R.Badal Md.H.Ahamed S.I.Moyeen | 2020 | International Journal of Automation and computing2020，17，6： | 5 |
| 2 | 改进扰动观测优化轮毂电机无位置控制显示文摘为提高车体内置式轮毂永磁同步电机驱动系统的控制可靠性,针对传统扰动观测造成的噪声放大问题,提出基于改进扰动观测器的反电动势电机无位置传感器控制算法,算法将电流反电动势作为观测干扰量进行建模,以实现扰动准确估计,进而通过反正切估计转子的精确位置,同时基于转子速度进行位置误差补偿,实现无位置传感器电机的鲁棒控制,仿真实验表明,改进算法在在电机不同工况和负载下能准确估计转子位置,具有较好的适应能力和位置跟踪补偿能力,验证了算法的有效性。 | 赵九九 闫洁 | 2021 | 机械设计与制造2021，，4： | 2 |
| 3 | 基于System Generator的稀疏编码算法设计及硬件实现显示文摘为了提高稀疏编码算法的处理速度,设计了一种通过System Generator在FPGA上实现的正交匹配追踪算法。算法由矩阵数据并行输出模块、矩阵乘法运算模块、最匹配原子与列索引选择模块、Cholesky分解模块与求逆算法模块、残差更新模块5个模块组成。通过对模块内部算法并行化设计,提高了正交匹配追踪算法的运行速率。仿真结果表明:设计的系统可以有效实现正交匹配追踪算法,算法的处理速度比软件处理有了明显的提升,处理结果精度较好,证明该设计可行且有效。 | 徐金鹏 刘宜成 涂海燕 成鸿群 | 2021 | 实验技术与管理2021，38，5： | 0 |
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