Method for Operating Building Climate Control System Using Integrated Temperature and Humidity Models
First Claim
1. A method for operating a climate control system for a zone of a building, comprising the steps of:
- determining sensible cooling and heating rates for the climate control system using temperature differences at an inlet and outlet of an evaporator;
determining moisture absorption, moisture desorption, ventilation influences, human activities, and condensation at the evaporator;
determining humidity differences and temperature differences as driving forces for moisture absorption and the moisture desorption at the interior fabrics, where the temperature difference is obtained from a thermal circuit model; and
determining a latent cooling rate using the humidity differences, wherein the model integrates a temperature model and a humidity model for jointly predicting a temperature and humidity for operating the climate control system.acquiring temperatures Tz and humidities hz of the zone, and temperatures TIsurf and humidities hIsurf of interior fabrics in the zone;
determining a mass transfer process
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Abstract
A climate control system for a building includes air conditioning systems and ventilation (HVAC) systems. The system is controlled by determining sensible cooling and heating rates using temperature differences at inlets and outlets at evaporators, as well as moisture absorption, moisture desorption, ventilation influences, human activities, and condensation at the evaporator. Humidity differences and temperature differences are determined as driving forces for moisture absorption, desorption, and temperatures and humidities of interior fabrics. The differences are obtained from a thermal circuit model. A latent cooling rate is determined using the humidity differences. The model integrates a temperature model and a humidity model for jointly predicting temperatures and humidities for operating the HVAC systems using a mass transfer process.
15 Citations
12 Claims
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1. A method for operating a climate control system for a zone of a building, comprising the steps of:
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determining sensible cooling and heating rates for the climate control system using temperature differences at an inlet and outlet of an evaporator; determining moisture absorption, moisture desorption, ventilation influences, human activities, and condensation at the evaporator; determining humidity differences and temperature differences as driving forces for moisture absorption and the moisture desorption at the interior fabrics, where the temperature difference is obtained from a thermal circuit model; and determining a latent cooling rate using the humidity differences, wherein the model integrates a temperature model and a humidity model for jointly predicting a temperature and humidity for operating the climate control system. acquiring temperatures Tz and humidities hz of the zone, and temperatures TIsurf and humidities hIsurf of interior fabrics in the zone; determining a mass transfer process - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification