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Unformatted text preview: Professor Robert G. Landers The closed–loop characteristic polynomial is ( 29 ( 29 ( 29 4 6 5 4 1 3 3 4 3 4 s s s s s s s s + + + + = + + + + . Since there are missing powers of s , the closed–loop system is not stable and, therefore, the steady–state error cannot be calculated. 2...
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- Spring '11
- Characteristic polynomial, Robert G. Landers