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基于TMS320F240的无传感器无刷直流电机的控制 被引量:3

Control of Sensorless and Brushless DC Motor Based on TMS320F240
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摘要 无刷直流电机的换相和控制都需要准确的转子位置信息 ,而安装转子位置传感器是较困难的 .鉴于定子绕组的反电势与转子位置的严格对应关系 ,提出了一种根据端电压得到反电势 ,从而实现定子绕组换流的方法 .给出了以TMS32 0F2 4 0为核心设计的无位置传感器无刷直流电机控制系统的软硬件框图 . The accurate rotor position is required while a brushless DC motor (BLDCM) is under commutation and control. However, the fixing of position sensors is believed to difficult. In terms of the correspondence relation between winding's back EMF and the position of a rotor, a new method of estimating rotor's position is proposed in this paper, which obtains back EMF through phase voltage. The design of control system is presented as well based on TMS320F240.
出处 《江南大学学报(自然科学版)》 CAS 2002年第3期225-228,共4页 Joural of Jiangnan University (Natural Science Edition) 
基金 教育部高等学校骨干教师资助计划 (教技司 [2 0 0 0 ]6 5 )课题 .
关键词 TMS320F240型 无刷直流电机 无传感器 数字信号处理器 转子位置 电机控制 定子绕组 brushless DC motor sensorless DC motor digital signal processor
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  • 1STMicroelectronics.BLDC motor start routine for the ST72141 microcontroller[EB/OL].http://mcu.st.com/mcdfiles/7438.pdf,2000-11
  • 2STMicroelectronics.Improved B-EMF detection for low-speed and low-voltage applications with ST72141[EB/OL].http://mcu.st.com/mcdfiks/01454M10.pdf,2001-03
  • 3STMicroelectronics.An introduction to sensorless brushless DC motor drive applications with the ST72141[EB/OL]. http://mcu.st.com/mcdfiles/7209.pdf,2000-10
  • 4STMicroelectronics.ST72141 BLDC motor control software and flowchart example[EB/OL].http://mcu.st.com/mcdfiles/7210,pdf,2001-11
  • 5STMicroelectronics.ST72141K datasheet[EB/OL].http://mcu.st.com/stonline/books/pdf/docs/6342.pdf,2002-09
  • 6STMicroelectronics. BLDC motor start routine for the ST72141 microcontroller[ EB/OL ]. http: //mcu. st. com/mcdfiles/7438. pdf,2000 - 11.
  • 7STMicroelectronics. Improved B - EMF detection for low - speed and low - voltage applications with ST72141 [ EB/OL ]. http: //mcu. st. corn/mcdfiks/01454M10. pdf, 2001-03.
  • 8STMicroelectronics.BLDC Motor Start Routine for the ST72141 Microcontroller[EB /OL].http:// mcu.st.com /mcdfiles/7438.pdf,2000-11.
  • 9STMicroelectronics.Imp Roved B-EMF Detection for Low-speed and Low-voltage Applications with ST72141[EB/OL].http://mcu.st.com/mcdfiks/01454M10.pdf,2001-03.

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