About CHANG X-M
About WAKIWAKA HIROYUKI
About YAMADA HAJIME
About 電気学会リニアドライブ研究会資料
About position sensor
About magnetostriction
About Measuring methods and instruments of length,area,cross section,volume,angle
About 磁歪
About 長距離
About 変位センサ
About パルス電流
About 高精度化