2T. Reininger, F. Welker, M. yon Zeppelin. Sensors in position control applications for industrial automa- tion[J]. Sens. & Actuators A: Phys. , 2006, 129( 1 -2) :270-274.
3Seco, F. , Martin, J. M. , Jimenez, A. R.. Impro- ving the Accuracy of Magnetostrictive Linear position sensors [ J ]. IEEE Transactions on Instrumentation and Measurement ,2009,58 : ( 3 ) :722 - 729.
4Tomas Morlanes, Jose L. de la Pena,luis M. Sanchez - Brea, et al. Opto electronic device for the measure- ment of the absolute linear position in the micrometric displacement range [C]. Proc. SPIE, 2005, 5840 : 862 - 870.
5L. Tupinier, O. Marroux, M. Ndao, et al. Low - cost high - resolution diffractive position sensors for X - by wire applications[ C]. et al. Proc. SPIE ,2006 ,6198.
6Douglas B. Leviton. New ultrahigh - sensi~vity abso- lute,linear,and rotary encoders[C]. Part of the $PIE Conference on Photonics for Space Environments VI, San Diego, California, 1998,3440 : 100 - 111.
7TOSHIBA CCD Linear Image Sensor TCD1208AP Da- m Sheet. Toshiba Corporation. 2001.
