1. Attitude Determination and Control System Engineer, Guidance, Navigation and Control (GNC) Section, Space Research Center, 424 Hafez Ave., Tehran 15875-4413, Iran; Space Research Center, Amirkabir Univ. of Technology, Tehran, Iran (corresponding author).
2. Dept. of Electrical Engineering, Amirkabir Univ. of Technology, Tehran 15875-4413, Iran.