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Adaptive controller for an automotive HVAC system

  • US 6,454,178 B1
  • Filed: 05/24/2001
  • Issued: 09/24/2002
  • Est. Priority Date: 05/24/2001
  • Status: Expired due to Fees
First Claim
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1. In a multi-zone climate control system for a vehicle comprising a passenger seat occupancy detector at each of a plurality of passenger seats for generating a respective seat occupancy signal indicative of an occupancy condition of a respective seat, a plurality of control units, each of said control units associated with a respective passenger seat location for selecting desired climate settings for each said location, and a controller in operative communication with each control unit and each passenger seat occupancy detector, a method of operating the climate control system comprising the following steps:

  • determining the occupancy status of each passenger seat as a function of said passenger seat occupancy detectors;

    controlling the climate at each occupied passenger location according to the desired climate settings for each said respective location;

    turning off each control unit at a respective unoccupied passenger location;

    when operating a respective control unit in an automatic mode, detecting a manual override of said automatic mode parameter settings;

    storing a transient thermal condition event associated with said manual override input; and

    adaptively modifying an automatic mode compensation coefficient in response to said manual override input as a function of said transient thermal condition event and said manual override.

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