Intelligent Algorithms for the Effective Control of High-side Pressure and Indoor Air Temperature of a $CO_2$ Automotive Air Conditioner System

자동차 $CO_2$ 냉방시스템의 고압과 실내온도의 효과적인 제어를 위한 지능알고리즘

In the respect of the environmental protection viewpoint, the $CO_2$ may be regarded as one of the most attractive alternative refrigerants for an automotive air-conditioning system. Control methods for a $CO_2$ system should be newly developed, because properties of $CO_2$ are different compared with those of classical refrigerants. Especially, high-side pressure of a $CO_2$ system should be controlled for the effective operation of the system. In this study, intelligent control algorithms for a $CO_2$ system were developed ‘ These are a high-side pressure control algorithm and an indoor air temperature control algorithm. These algorithms were analysised by using dynamic models of a $CO_2$ system.