NDLI: Positioning System for Sensor less Linear DC Motor

Content Provider	IEEE Xplore Digital Library
Author	Norhisam, M. Ezril, H. Senan, M. Mariun, N. Wakiwaka, H. Nirei, M.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Univ. Putra Malaysia, Serdang (Norhisam, M.)
Abstract	Linear motor has gain popularity as linear motion drive in office and factory automation which provides an alternative method to conventional rotary motor. Chip mounting is one of linear motor applications especially for linear DC motor (LDM). Displacement sensor which is normally used for positioning on the system, made the system expensive. This paper discusses the application of sensor less on positioning system for LDM. A spring is used to determine the position, while the spring displacement which is proportional to the thrust was produced by the motor. The thrust itself can be controlled by controlling the current supplied to the motor. Therefore, the positioning of LDM can be controlled by varying the current value. The approach used in this paper is to control the current is by manipulating various pattern of pulse width modulation (PWM) signal. As a result, the settling time less than 32 ms for 10 mm positioning has been achieved.
Starting Page	476
Ending Page	481
File Size	4838640
Page Count	6
File Format	PDF
ISBN	1424402735
DOI	10.1109/PECON.2006.346698
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-28
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensor systems DC motors Pulse width modulation Coils Current supplies Springs Space vector pulse width modulation Motion control Circuits Voltage control PWM signal Linear DC Motor spring current value Motor Driver
Content Type	Text
Resource Type	Article

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