Question: An unstable robot system is described by the vector differential equation !!__ [X1] = [ 1 OJ [X1] + [1] u(t). dt Xz -1 2
An unstable robot system is described by the vector differential equation
!!__ [X1] = [ 1 OJ [X1] + [1] u(t). dt Xz -1 2 xz 1 Both state VaT"iables are measurable, and so the control signal is set as u(t) = -K(x1 + xz).
(a) Design gain K so tho.t the performance inde:r; is minimized.
(b) Eval1wte the minimum value of the performance index.
(c) Determine the sensitivity of the performance to a change inK.
Assume that the initial conditions are x(O) = [n.
(d) Is the system stable without feedback signals due to u(t) 9 Problem
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