【Control Version】Daily Question 20180514

2018-05-14View Original

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The condition for the stability of a first-order process control system is (). A. The characteristic roots are positive, and all coefficients of the differential equation are greater than zero. B. The characteristic roots are negative, and all coefficients of the differential equation are greater than zero. C. The characteristic roots are positive, and all coefficients of the differential equation are less than zero. D. The characteristic roots are negative, and all coefficients of the differential equation are less than zero. Answer: B

Reply #22018-05-15

B. The characteristic roots are negative, and all coefficients of the differential equation are positive

Reply #32018-05-15

A. The characteristic roots are positive, and all coefficients of the differential equation are greater than zero

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【Control Version】Daily Question 20180514

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