“…The (true) inertia matrices for each spacecraft were taken as J 1 = diag(17,12,9), J 2 = diag(14, 13, 10), J 3 = diag(20,10,9) and J 4 = diag(15,9,16), and the actual external disturbances were chosen as d ext,1 = 2.2, d ext,2 = 1.4, d ext,3 = 1.5, d ext,4 = 0.8.…”