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.

本数据集旨在支持作者即将投稿至《IEEE电力电子汇刊》的研究论文。数据集中包含的结果以图表形式呈现，直观展示了控制特性，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为20 kHz或更高，本数据集中开关频率从20 kHz提升至1 MHz，共设置26种不同的脉冲宽度调制（PWM）频率，并对所得特性进行了对比分析。

无刷直流电机（BLDC motor）广泛应用于医疗行业、呼吸机、太阳能跟踪器、计算机数字控制（CNC）伺服驱动、工业机器人、汽车领域及电动汽车（如轿车、三轮车等）。借助本数据集，工业工程师可判断是否采用该频率运行，因此本研究对工业实际设计及学术研究均具有实用参考价值。

无刷直流电机的速度与位置估计采用无传感器矢量控制方法，即磁场定向控制（Field Oriented Control, FOC），并辅以滑模观测器（Sliding Mode Observer, SMO）实现速度与无传感器转子位置的估计。三相逆变器的开关模式采用空间矢量调制（space vector modulation）实现。

本数据集的独特之处在于作者纳入了以下内容，相关分析可通过附图得出：不同频率下基于滑模观测器（SMO）的性能对比；脉冲宽度调制开关频率从20 kHz至1 MHz的26次变化（有助于确定MOSFET的开关频率）。

当然，导通电阻（Rdson）、直流链路逆变器电压及其他实际参数均已纳入考虑（未在此提交），相关分析可参见作者的汇刊论文。

数据集包含以下对应26种频率的独立结果：
- 稳定裕度——增益/相位
- 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——幅值与相位
- 未补偿系统与补偿系统的极点-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
- 未补偿系统与补偿系统的尼科尔斯图
- 未补偿系统与补偿系统的脉冲响应
- 正弦激励

所有功能均在32位实时微控制器（real-time microcontroller）上实现，未提及的引脚用于通用控制器局域网（General-Purpose-CAN）、USB、RS485等接口。