| 摘要 |
A method of controlling an HVAC system to more effectively cool a vehicle cabin when the solar azimuth is large. A solar azimuth, an outside air temperature, a set temperature, a cabin temperature, and an ignition time are communicated to a controller that determines how to best operate the HVAC system. When the vehicle has only been running for a short period of time, the cabin temperature is elevated, and the solar azimuth is large, the measured solar azimuth is corrected to a corrected solar azimuth. The corrected solar azimuth is smaller than the measured solar azimuth and yields a large sun temperature. The controller then calculates a TAO based upon the large sun temperature and the TAO is used to control the HVAC system.
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