00350nam a22001097a 4500082001000000100001700010245009300027260003700120300001900157650003700176700002700213  a621.3  aAli, Khurram  aRobust Switching Controller of Rotational Mechanical System with Backlash /cKhurram Ali  aIslamabad :bCEME - NUST,c2013.  a44 p. ;c30cm.  aElectrical Engineering-MS-Thesis  aDr. Fahad Mumtaz Malik