Výsledky vyhledávání - "Shinji Ichikawa"

Possible Weed Establishment Control by Applying Cryogens to Fields Before Snowfalls

Autor: Shinji Ichikawa, Yutaka Jitsuyama

Publikováno v: Weed Technology. 25:454-458

Cryogens are defined as substances that produce low temperatures. In this study, cryogens refer to salts added to snow or ice to cool underlying soil, resulting in reduced weed establishment. In laboratory experiments, bags of ice mixed with cryogens

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::203a6162507b85f65187bef4a9fcbe8a
https://doi.org/10.1614/wt-d-09-00073.1

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Sensorless control of synchronous reluctance motors based on extended electromotive force model and inductance measurement

Autor: Shinji Doki, Shigeru Okuma, Shinji Ichikawa, Mutuwo Tomita

Publikováno v: Electrical Engineering in Japan. 160:70-80

In this paper, sensorless control for synchronous reluctance motors (SynRMs) without signal injection and an inductance measurement for position estimation are proposed. In the case of SynRMs, accuracy of inductances is the most important factor in r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb41ea88b7252ced875aa1648e7da162
https://doi.org/10.1002/eej.20274

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Sensorless Control of Synchronous Reluctance Motors Based on Extended EMF Models Considering Magnetic Saturation With Online Parameter Identification

Autor: Shinji Ichikawa, Shinji Doki, S. Okuma, Mutuwo Tomita

Publikováno v: IEEE Transactions on Industry Applications. 42:1264-1274

A sensorless control method based on novel extended electromotive force (EEMF) models considering magnetic saturation is proposed for synchronous reluctance motors (SynRMs). Since motor parameters, particularly inductances, vary largely in SynRMs, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::470918db88125d15cdd7779f547cd6ba
https://doi.org/10.1109/tia.2006.880848

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Sensorless control of synchronous reluctance motors using on-line parameter identification method not affected by position estimation accuracy

Autor: Shinji Doki, Shigeru Okuma, A. Iwata, Shinji Ichikawa, Mutuwo Tomita

Publikováno v: Electrical Engineering in Japan. 155:62-69

This paper presents a novel on-line parameter identification method for sensorless control of Synchronous Reluctance Motors (SynRMs). Although conventional sensorless control methods based on mathematical models usually need some complex measurements

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c8cbd86e18c8ede84bae123fea8673d
https://doi.org/10.1002/eej.20258

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