Electricity: motive power systems – Positional servo systems – With protective or reliability increasing features
Patent
1999-02-19
2000-07-04
Ro, Bentsu
Electricity: motive power systems
Positional servo systems
With protective or reliability increasing features
31856819, 31856821, 31856822, 318621, B25J 700
Patent
active
060843713
ABSTRACT:
A human de-amplifier system for interfacing a human operator and a physical object through a physical plant, wherein the physical object has dimensions in the range of 1 micrometer to 1 mm. The human de-amplifier system uses an inner-feedback loop to increases the equivalent damping of the operating system to stabilize the system when it contacts with the environment and reduces the impact of the environment variation by utilizing a high feedback gain, determined by a root locus sketch. Because the stability of the human de-amplifier system of the present invention is greatly enhanced over that of the prior art, the de-amplifier system is able to manipulate the physical object has dimensions in the range of 1 micrometer to 1 mm with high stability and accuracy. The system also has a monitoring device to monitor the motion of the physical object under manipulation.
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Jansen John F.
Kress Reid L.
Lockheed Martin Energy Research Corporation
Ro Bentsu
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