Method for determining the effective resistance of a DC...

Electricity: motive power systems – Plural diverse motor controls – Running-speed control

Reexamination Certificate

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C388S825000, C388S833000

Reexamination Certificate

active

07078871

ABSTRACT:
A method for determining an effective resistance of a voltage controlled DC motor having a nominal resistance includes driving the DC motor with a signal so that the DC motor has a targeted acceleration, and sensing an effective acceleration of the DC motor. The effective resistance of the DC motor is determined as a function of the nominal resistance, the targeted acceleration and the effective acceleration.

REFERENCES:
patent: 5465208 (1995-11-01), Mochizuki et al.
patent: 5675219 (1997-10-01), Helfrich
patent: 6617817 (2003-09-01), Hill

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