NDLI: Control and analysis of low inertia miniature synchronous motors

Content Provider	IEEE Xplore Digital Library
Author	Nicoud, J.D. Matthley, O. Caprari, G.
Copyright Year	1998
Description	Author affiliation: Microprocessor & Interface Lab., Fed. Inst. of Technol., Lausanne, Switzerland (Nicoud, J.D.)
Abstract	Miniature motors are available in sizes as small as 1.9 mm in diameter by 10 mm in length. Position sensors have not yet been implemented in these small synchronous motors below 8 mm in diameter. Open-loop control is optimal with sine-wave driving electronics, but in this case the electronic box is far from being as small as the motor. Open-loop control, like for stepping motors is usually performed, and works well at high speed. This paper presents a pulse frequency modulation (PFM) technique that can be implemented with small microcontrollers and can significantly reduce the irregularities of movement at any speed. Analysing and measuring the rotation of these small motors is an interesting and difficult problem per se. Adequate test equipment is a requirement to evaluate both open-loop and future closed-loop control algorithms.
Starting Page	97
Ending Page	103
File Size	817934
Page Count	7
File Format	PDF
ISBN	0780351304
DOI	10.1109/MHS.1998.745757
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-11-25
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synchronous motors DC motors Brushless DC motors Open loop systems Torque control Rotors Coils Optimal control Microcontrollers Pulse width modulation
Content Type	Text
Resource Type	Article

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