Reference signal circuit

Details Reference signal circuit Reference signal circuit

1978-07-26

1980-10-07

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

235 92EV, 235 92DE, 235 92CT, 318305, G06M 312, G06M 314

Patent

active

042270723

ABSTRACT:
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 .

REFERENCES:
patent: 3869019 (1975-03-01), Cardani
patent: 3968401 (1976-07-01), Bryant
patent: 4025762 (1977-05-01), Rossi et al.

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