Electricity: motive power systems – Positional servo systems – Adaptive or optimizing systems including 'bang-bang' servos
Patent
1974-08-05
1976-06-08
Dobeck, B.
Electricity: motive power systems
Positional servo systems
Adaptive or optimizing systems including 'bang-bang' servos
318601, 340268, 324158SY, G05B 1300
Patent
active
039626180
ABSTRACT:
A following error measurement system for phase analog servo systems is disclosed. The leading or lagging status of a phase analog servo system's command signal with respect to its feedback signal, is used to create a variable width error signal. This variable width error signal controls the counting of modulated command pulses received from the phase analog servo system. Since the frequency of the variable width error signal is proportional to the frequency of the modulated command pulses, the total count is normalized and a pulse weighted count is obtained. In addition, the conditioned variable width error signal controls the transfer of the pulse weighted count to a display system. Because the total count is normalized, the resultant display is also normalized for variations in the rate at which command pulses are applied to the phase analog servo system. Hence the measured following error is displayed.
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Burton James M.
Tieden Jansey D.
Dobeck B.
The Boeing Company
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