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Title: Dual loop position control of a linear hybrid switched reluctance machine with zero cogging force
Authors: Zhang, B
Zou, Y
Issue Date: 2015
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: 2015 IEEE International Magnetics Conference, INTERMAG 2015, 11-15 May 2015, 7156802 How to cite?
Abstract: Linear motors, as direct-drive actuators, have been quickly developed within recent years and now they are widely applied in the industrial production area, such as automatic soldering, carving and embroidery machines, etc [1]. At present, linear permanent magnetic motors (LPMMs) are the mainstream of market due to their considerable force output performance with high power density and efficiency [2]. However, high cost of the permanent magnets (PMs) restricts the widespread use of LPMMs for certain control applications. On the other hand, the characteristics of the PMs are readily influenced by temperature variations and vibrations. Pure linear switched reluctance motors (LSRMs) intrigue the researchers' interests by their simple structure, high robustness, low cost without PMs, etc. Nevertheless, they have the disadvantages of low force output and efficiency. In order to increase the efficiency and force output of the LSRMs, some machines that are combined with PMs have been investigated in recent years [3, 4]. Most of the PMs are embedded into the main magnetic circuits of the motors, however, this inevitably increases the reluctance of the motors and deteriorates the continuity of flux lines, thus reducing the efficiency of the motors. In addition, cogging force is another defect that deteriorates the accuracy of position control applications based on such linear hybrid motors.
ISBN: 9781479973224
DOI: 10.1109/INTMAG.2015.7156802
Appears in Collections:Conference Paper

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