1.88kW BLDC Sensorless FOC with Adaptive Sliding Mode Observer

This dataset is in support of my planned research paper shortly to be submitted to "IEEE Transactions on Power Electronics".The results contained in this dataset are graphs which give intutive idea on the control characteristics, whether the pole/zero is on the imaginary axis or the right half plane. The switching frequency for these controllers is generally 20 kHz or more.In this dataset, switching frequency has been increased from 20 kHz to 1MHZ , at 26 different PWM frequencies and the comparison of the resulting characteristics are drawn.BLDC motors ae used in medical industry ,ventillators, solar trackers, CNC servodrives, industrial robots, automative, electric vehicles- autos, rickshaws etc.Using this dataset, any industrial engineer can decide whether to run at that frequency or not. So, this study comes in handy to decide when designing in practice for industries and also for academia purposes.The speed and the position estimation of BLDC is done using the sensorless vector control method i.e., Field Oriented control (FOC) with the addition of SMO observer which gives the estimation of speed and the sensorless rotor position. The switching pattern of the 3-phase inverter is implemented using space vector modulation.DIfferences in this paper dataset can be seen as the author has included following , with analysis which can be drawn from seeing attached graphs -performance comparison using Sliding Mode Observer (SMO) at different frequencies.PWM switching frequency is varied 26 times from 20 kHz to 1 MHz , - will help decide MOSFETs switching frequency.Of course, the Rdson, dc link inverter voltage ,other practical parameters etc has been taken into consideration (not submitted here) bu some analysis related to it,you may find in the authors Transaction paper.Separate results at all these 26 frequenciesStability Margins - Gain/PhaseOpen Loop Control PerformanceTransfer Function CompensationClosed loop TuningRoot Locus of Uncompensated System and Compensated SystemBode Plot - magnitude and phasePole Zero Map of Uncompensated System and Compensated SystemUnit-Step Response of Uncompensated System and Compensated SystemNyquist plot of Uncompensated System and Compensated SystemNichols chart of Uncompensated System and Compensated SystemImpulse Response of Uncompensated System and Compensated SystemSinusoidal ExcitationAll this is implemented on 32-bit Real-Time microcontroller. The pins usage not mentioned here are used for other General-Purpose-CAN,USB, RS485 etc.

本数据集用于支撑即将投稿至《IEEE电力电子汇刊》（IEEE Transactions on Power Electronics）的研究论文。本数据集包含的结果均为各类图表，可直观展现控制系统特性，包括极点/零点（pole/zero）位于虚轴还是右半平面。此类控制器的开关频率通常不低于20 kHz。本数据集覆盖26种不同的脉冲宽度调制（Pulse Width Modulation, PWM）频率，将开关频率从20 kHz提升至1 MHz，并绘制了对应特性的对比结果。无刷直流（Brushless DC, BLDC）电机的应用场景涵盖医疗行业、呼吸机、太阳能追踪系统、CNC伺服驱动、工业机器人、汽车及电动交通工具（乘用车、人力/电动三轮车等）等领域。借助本数据集，工业工程师可快速判断是否可采用对应频率运行，因此本数据集可为工业实际设计与学术研究提供有效的决策参考。本数据集采用无传感器矢量控制方法——磁场定向控制（Field Oriented Control, FOC），并结合滑模观测器（Sliding Mode Observer, SMO）实现BLDC电机的转速与转子位置估计；三相逆变器的开关模式采用空间矢量调制实现。本数据集的特色内容如下，结合附带图表可完成对应分析：不同频率下滑模观测器（SMO）的性能对比；将PWM开关频率从20 kHz至1 MHz分26个档位调整，可辅助确定MOSFET的开关频率选型。当然，本研究已考虑MOSFET导通电阻（Rdson）、直流母线逆变器电压及其他实际参数（本次未随数据集提交），相关分析可参阅作者投稿的汇刊论文。各26个频率下的独立结果包括：稳定裕度——增益裕度/相位裕度、开环控制性能、传递函数补偿、闭环整定、未补偿系统与补偿系统的根轨迹、波特图（Bode Plot）——幅频特性与相频特性、未补偿系统与补偿系统的极零点图、未补偿系统与补偿系统的单位阶跃响应、未补偿系统与补偿系统的奈奎斯特图（Nyquist Plot）、未补偿系统与补偿系统的尼科尔斯图（Nichols Chart）、未补偿系统与补偿系统的冲激响应、正弦激励响应。上述所有内容均基于32位实时微控制器实现。本文未提及的引脚用于通用CAN、USB、RS485等外设接口。