全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

无位置传感器无刷直流电动机无反转起动及其平滑切换

, PP. 26-32

Keywords: 无刷直流电动机,无位置传感器控制,无反转起动,反电动势法,平滑切换

Full-Text   Cite this paper   Add to My Lib

Abstract:

提出了一种隐极式无刷直流电动机的无反转起动及其平滑切换新方法。根据电动机定子铁心饱和效应,采用短时脉冲检测方法实现转子定位与加速。针对“三段式”起动方法切换的缺点,提出了在一定转速时关闭所有开关器件,利用电动机端电压波形与导通相之间的对应关系实现平滑切换的方法。反电动势过零点检测选在PWM调制信号开通状态结束时刻,在对端电压进行采样后由软件算法确定真实过零点。样机试验结果验证了本文提出方法的可行性和有效性。

References

[1]  林明耀, 李强, 杨沛骐. 无位置传感器无刷直流电机转子位置检测误差分析及其补偿[J]. 微特电机 2003, 31(6): 8-12.
[2]  Jang G H, Park J H, Chang J H. Position detection and start-up algorithm of a rotor in a sensorless BLDC motor utilising inductance variation[J]. IEE Proc. Electric Power Application, 2002, 49(2): 137-142.
[3]  Uzuka K, Uzuhashi H, et al. Microcomputer control for sensorless brushless motor[J]. IEEE Trans. on Ind. Appl., 1985, 21(4): 595-601.
[4]  Chen Chenghu, Cheng Mingyang. A new sensorless commutation drive for brushless DC motor and alternator[C]. IEEE International Symposium on Industrial Electronics, 2006, 3: 2116-2121.
[5]  Lin Mingyao, Gu Weigang, et al. Design of position detection circuit for sensorless brushless DC motor drive[C]. IEEE IEMDC2007, 2007, 1: 225-228.
[6]  Lai Yenshin, Lin Yongkai. A unified approach to back-EMF detection for brushless DC motor drives without current and hall sensors[C]. IEEE Industrial Electronics Conference, IECON 2006, 2006: 1293- 1298.
[7]  Lai Yenshin, Lin Yongkai. Back-EMF detection technique of brushless DC motor driver for wide range control[C]. IEEE Industrial Electronics Conference, 2006: 1006-1011.
[8]  沈建新, 吕晓春, 等. 无传感器无刷直流电机三段式起动技术的深入分析[J]. 微特电机, 1998, 26(5): 8-11.
[9]  Lai Yenshin, Shyu Fusan, Tseng Shianshau. New initial position detection technique for three-phase brushless DC motor without position and current sensors[J]. IEEE Transaction on Industry Application, 2003, 39(2): 485-491.
[10]  Lee Wookjin, et al. A new starting method of BLDC motors without position sensor[J]. IEEE Trans. on Industry Application, 2006, 42(6): 1532-1538.
[11]  Schmidt P B, Gasperi M L, et al. Initial rotor angle detection of a non-salient pole permanent magnet synchronous machine[C]. IEEE IA Society Annual Meeting, New Orleans, Louisiana, 1997, 1: 459-463.
[12]  Chang Yenchuan, Tzou Yingyu. A new sensorless starting method for brushless DC motors without reversing rotation[C]. IEEE Power Electronics Speci- alists Conference, 2007: 619-624.
[13]  Shao Jianwen. An improved microcontroller-based sensorless brushless DC (BLDC) motor driver for automotive applications[C]. IEEE Industry Applications Conference, 2006, 42(5): 1216-1221.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133