Method and arrangement for monitoring signals

Details Method and arrangement for monitoring signals Method and arrangement for monitoring signals

2006-06-13

2009-10-27

Duda, Rina I (Department: 2837)

Electricity: motive power systems

Positional servo systems

Pulse-width modulated power input to motor

C318S811000, C388S907500

Reexamination Certificate

active

07609021

ABSTRACT:
The invention relates to a method and to an arrangement for monitoring signals which are guided to a multi-phase motor by an end stage and the pulse width thereof is controlled by a controller. The total of the pulse widths of the signals of each phase is measured by, respectively, a counter, respectively for a predetermined program flow in the controller. The meter reading is read by a counter according to a predetermined period of time and an error signal is produced if the total amount of time exceeds a predetermined tolerance range.

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patent: WO 2004/105206 (2004-12-01), None

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