Number | Name | Date | Kind |
---|---|---|---|
4086519 | Perssor | Apr 1978 | |
4162435 | Wright | Jul 1979 | |
4169990 | Lerdman | Oct 1979 | |
4250435 | Alley et al. | Feb 1981 | |
4314189 | Okado et al. | Feb 1982 | |
4427933 | Wagener et al. | Jan 1984 | |
4459519 | Erdman | Jul 1984 | |
4491772 | Bitting | Jan 1985 | |
4499408 | Bitting et al. | Feb 1985 | |
4500821 | Bitting et al. | Feb 1985 | |
4540921 | Boyd, Jr. et al. | Sep 1985 | |
4556827 | Erdman | Dec 1985 | |
4565957 | Gary et al. | Jan 1986 | |
4641066 | Nagata et al. | Feb 1987 | |
4642536 | Boyd, Jr. et al. | Feb 1987 | |
4642537 | Young | Feb 1987 | |
4654566 | Erdman | Mar 1987 | |
4743815 | Gee et al. | May 1988 | |
4752724 | Rodziwill et al. | Jul 1988 | |
4763347 | Erdman | Aug 1988 | |
4813248 | Smith et al. | Mar 1989 | |
4835839 | Forbes et al. | Jun 1989 | |
4876491 | Squires et al. | Oct 1989 | |
4912378 | Uukosavic | Mar 1990 | |
4928043 | Plunkett | May 1990 | |
4978895 | Schwartz | Dec 1990 | |
4978896 | Shah | Dec 1990 | |
5019756 | Schwartz | May 1991 | |
5028852 | Dunfield | Jul 1991 | |
5198972 | Cafuze | Mar 1993 | |
5241254 | Offringa et al. | Aug 1993 |
Number | Date | Country |
---|---|---|
2057992 | Jun 1992 | CAX |
Entry |
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"An Approach to Position Sensorless Drive For Brushless DC Motor", by Ogasawara and Akagi-IEEE Transactions on Industry Applications, vol. 27 No. 5 Sep./Oct. 1991. |
"High-Efficiency Drive Due to Power Factor Control of a permanent Magnet Synchronous Motor"; by Nakamura et al. IEEE Transactions 1992. |
"An Efficiency Optimizing Permanent Magnet Synchronous Motor Drive"; Colby et al. 1987. |
"Four-Quandrant Brushless ECM Drive"; Becerra et al. IEEE Transations 1991. |