Abstract:Linear dc motors (LDMs) are widely used for servo‐actuators, compressors, and so on. High‐efficiency LDMs are strongly desired for compressors. To realize LDMs with high‐efficiency characteristics, decreasing the copper losses, namely, thrust‐to‐input ratio, F/P, must be increased. This paper describes an optimization method for the F/P of a moving‐coil‐type LDM. The following results are obtained:
Simplified expression for the F/P of the LDM is derived from the permeance analysis method. The effects of dimen… Show more
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