Reference signal circuit

Details Reference signal circuit Reference signal circuit

G - Physics

05

D

341/88

G05D 13/62 (2006.01) G05B 11/01 (2006.01) G05D 13/02 (2006.01)

Patent

CA 1160324

17DT-2682 ABSTRACT OF THE DISCLOSURE In the field of closed loop control systems, a reference signal input is compared with a feedback signal to provide an error signal which then initiates corrective action until the feedback signal duplicates the reference signal. Hence, the reference signal may be appreciated as the set point at which the control system should operate. The disclosure relates to a manual input reference signal circuit which may be used to input a desired reference speed signal into a control system circuit for a prime mover. Provision is made for both local and remote manual signal input and priority logic is included for selecting the most appropriate reference signal. Inhibit logic dictates the floor and ceiling for the range of prime mover operation.

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