Wu, Kwo-LiangKwo-LiangWuYu, Cheng-ChingCheng-ChingYuCheng, Yu-ChangYu-ChangCheng2008-12-242018-06-282008-12-242018-06-282001http://ntur.lib.ntu.edu.tw//handle/246246/93191application/pdf324758 bytesapplication/pdfen-USA two degree of freedom level controljournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/93191/1/26.pdf