All-digital electrically powered servo

Details All-digital electrically powered servo All-digital electrically powered servo

1985-01-22

1986-05-27

Michalsky, Gerald A.

Power plants

Pressure fluid source and motor

Full range correspondence of position of external...

60475, 60911, F15B 903

Patent

active

045907641

ABSTRACT:
This disclosure pertains to a completely digital, electrically powered servo wherein the servo actuator is minutely incremented at a frequency proportional to the magnitude of an error binary number. The binary error is derived from the difference of a binary reference representing the commanded position of the actuator and a binary feedback representing the position of the actuator. The direction of each increment has the polarity which reduces the difference between the reference and feedback binary numbers. The power unit of the servo is electrohydraulic; however, the servo is entirely electrically controlled and powered. Hydraulic fluid is confined to the power unit where it serves as a link between two solenoid driven piston pumps, a common mode volume adjuster and a hydraulic actuator. The direction the actuator is incremented is dependent on which of the two solenoids the error polarity directs pulsed electrical power.

REFERENCES:
patent: 3772889 (1973-11-01), Mason et al.
patent: 4315199 (1982-02-01), Kyomasu et al.

Affiliated with

Also associated with

Rating

All-digital electrically powered servo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with All-digital electrically powered servo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and All-digital electrically powered servo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1565425