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Unformatted text preview: s s s s Y s R s Y s s s + + =+ + (6) Rearranging equation (6), the closed–loop transfer function is ( 29 ( 29 2 2 4 2 6 13 5 Y s s s R s s s + = + + (7) The transfer function in equation (8) appears to be second order; however, the numerator and denominator have a common factor of 2 s + 1. Therefore, the true closed–loop transfer function is ( 29 ( 29 2 3 5 Y s s R s s = + (8) The closed–loop poles are found by setting the closed–loop characteristic equation to zero 5 3 5 3 s s + = → = (9) 2...
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 Spring '11
 LANDERS
 Fraction, Elementary arithmetic

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