Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
Patent
1984-08-15
1986-01-28
Shoop, Jr., William M.
Electricity: motive power systems
Positional servo systems
With particular motor control system responsive to the...
318696, 118109, G05B 1940
Patent
active
045674183
ABSTRACT:
In a control apparatus controlling point-to-point movement of arms of a robot, stepping motors are used to drive the shafts of the robot arms respectively, and motor drivers drive the stepping motors according to a 1-2-phase excitation mode in a low speed range but according to a 2-phase excitation mode in an intermediate and a high speed range.
REFERENCES:
patent: 4230067 (1980-10-01), Iwamoto et al.
patent: 4476421 (1984-03-01), Moriguchi
Takeichi Kenzo
Takemoto Akinobu
Yabe Yuhiko
Yoshikawa Yoshiaki
Bergman Saul M.
Hitachi , Ltd.
Shoop Jr. William M.
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