Fall 2001 16.3119-4 Example: Simple system 150 (10s+1)(0.05s+1) ith G= 1 Require wB 5, a slope of 1, low frequency value less than A=0 and a high frequency peak less than M=5 s/M+wB s+WBA Sensitivity and Inverse of Performance Weight SW 1 Y1.0219 Frequency Figure 2: Want Wss< 1, so we just fail the testFall 2001 16.31 19–4 • Example: Simple system G(s) = 150 (10s + 1)(0.05s +1)2 with Gc = 1 • Require ωB ≈ 5, a slope of 1, low frequency value less than A = 0.01 and a high frequency peak less than M = 5. Ws = s/M + ωB s + ωBA 10−2 10−1 100 101 102 10−3 10−2 10−1 100 101 Frequency Magnitude Sensitivity and Inverse of Performance Weight S W s 1/W s S γ= 1.0219 Figure 2: Want |WsS| < 1, so we just fail the test