Unformatted text preview: K for stability. 3. Consider a unity feedback system with the transfer function ) 2 )( 1 ( ) ( + + = s s s K s G in the forward path, where K is positive. (a) State the system type. (b) Find , , and . p K v K a K (c) Find the steady state error for an input of , , and . ) ( 10 t u ) ( 10 t tu ) ( 10 2 t u t (d) Can you choose K such that the steady state error is less than in each of the three cases of part (c)? 1 ....
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- Fall '08