3PETRELLA R, TURSINI M. An embedded system for position and speed measurement adopting incremental encoders. Industry Applica- tionS, IEEE Transactions on, 2008, 44(5) :1436-1444.
4KONDO K, SUZUKI H. Research on the accuracy of sheared prod- ucts by different working in precision shearing. Materials Processing Technology, 1996(56) :70-77.