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Dynamic maneuvering configuration for multiple control modes in a unified servo system

  • US 9,831,768 B2
  • Filed: 05/29/2015
  • Issued: 11/28/2017
  • Est. Priority Date: 07/17/2014
  • Status: Active Grant
First Claim
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1. A control circuit to control the operation of a power electronics device, the control circuit comprising:

  • a common control node that in operation provides a regulation voltage to the power electronics device; and

    a plurality of sub-control circuits, each of the plurality of sub-control circuits includes an output selectively coupled to the common control node via a respective one of a plurality of switches, one of plurality of switches closes at a time, and each of the sub-control circuits includes a capacitive feedback compensation circuit which provides AC compensation for the sub-control circuit, the feedback compensation circuit having a capacitor directly electrically connected to the common control node to bias the capacitor at the regulation voltage of the common control node such that, during a transition of control from a first one of the plurality of sub-control circuits to a second one of the plurality of sub-control circuits, the capacitor for the second one of the plurality of sub-control circuits discharges from the regulation voltage of the common control node.

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