Method and system for multiple servo motor control

Details Method and system for multiple servo motor control Method and system for multiple servo motor control

2006-05-02

2006-05-02

Fletcher, Marlon T. (Department: 2837)

Electricity: motive power systems

Positional servo systems

Plural servomotors

C318S111000, C318S112000, C318S113000, C318S560000, C318S562000

Reexamination Certificate

active

07038421

ABSTRACT:
A system for control of a plurality of motors comprising: an inverter including at least three legs, with each leg including two series switching devices configured to receive a command from a controller. The system also includes a first motor operably connected to an inverter at a common terminal of the switching devices for a first leg and at a common terminal of the switching devices for a second leg; a second motor is operably connected to the inverter at the common terminal of the switching devices for the second leg and at a common terminal of the switching devices for a third leg. The outer terminals of the switching devices for each of the first leg, second leg and third leg are operably connected to the voltage source. The controller executes a process for controlling the first motor and the second motor with an error arbiter function.

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