Encoderless motor design for servo drive applications

Murakami, S.; Ohto, Motomichi; Hisatsune, M.; Shiota, Tsuyoshi; Ide, K.

doi:10.1109/icpe.2011.5944427

Cited by 2 publications

(1 citation statement)

References 18 publications

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“…Sensorless control is commonly used due to its many advantages, such as reduced cost and downsizing of the drive system, for both rotary and linear motors [1]- [3]. Moreover, previous studies have designed the structure of the motor to improve its sensorless control performance [4] [5].…”

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confidence: 99%

Development of stator-magnetless linear synchronous motor for sensorless control

Makino

Kakihara

Takase

et al. 2016

2016 IEEE Energy Conversion Congress and Exposition (ECCE)

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Abstract-Sensorless control techniques that do not use a linear scale are desired for applications that require a long-stroke linear synchronous motor (LSM). This paper discusses the development of a stator-magnetless LSM (i.e., no magnet is mounted on the stator of the LSM) for sensorless control that includes a high-speed position estimation algorithm based on the magnetic hysteresis phenomenon. This paper presents a new structure of a flux-switching LSM that achieves a high saliency ratio using a cutout that results in magnetic saturation in the armature core. The effect of the sub-tooth on reducing the cogging thrust is also discussed. Furthermore, the analytical and experimental characteristics of inductance, thrust, cogging thrust, and sensorless drive control are discussed based on a prototype.

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confidence: 99%