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Power driven wheelchair

  • US 8,646,551 B2
  • Filed: 03/05/2012
  • Issued: 02/11/2014
  • Est. Priority Date: 08/31/2005
  • Status: Active Grant
First Claim
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1. A method of operating a power driven wheelchair, including:

  • activating an input device associated with a system controller associated with the wheelchair;

    selecting one or more operating parameters from a plurality of programmable operating parameters based at least in part on the input device activation;

    transmitting at least one of the selected operating parameters from the system controller to a first local controller assembly associated with a first controllable component of the wheelchair in a first message via a bus, the first local controller assembly including a first drive motor or actuator mechanism, a first local controller having circuitry to drive the first drive motor or actuator mechanism, and a first sensor sensing a condition associated with the first drive motor or actuator mechanism and in operative communication with the first local controller; and

    controlling the first drive motor or actuator mechanism via the first local controller in response to operating parameters received by the first local controller assembly and in relation to the condition sensed by the first sensor;

    wherein the system controller is disposed in a first housing at a first location on the wheelchair and the first local controller is disposed in a second housing at a second location on the wheelchair.

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