AN ADAPTIVE CONTROL FOR A REFRIGERATION SYSTEM USING PULSE WIDTH MODULATED DUTY CYCLE SCROLL COMPRESSOR
摘要
A control for a refrigeration system serviced by a special pulse width modulated compressor (30) coupled to a condenser (32) and evaporator (42). The system can be of the distributed type wherein the condenser (32) and compressor (30) may be coupled to service a group of adjacent refrigeration cases, wherein each case would have its own evaporator (42). A controller (52) is coupled to a load sensor (58) for producing a variable duty cycle control signal (54) in which the duty cycle is a function of demand for cooling. Moreover, fuzzy logic technique may be utilized in order to provide self adaptive tuning control for the system.
申请公布号
WO9917066(A1)
申请公布日期
1999.04.08
申请号
WO1998US18710
申请日期
1998.09.09
申请人
COPELAND CORPORATION;PHAM, HUNG, M.;SINGH, ABTAR;CAILLAT, JEAN-LUC, M.;BASS, MARK
发明人
PHAM, HUNG, M.;SINGH, ABTAR;CAILLAT, JEAN-LUC, M.;BASS, MARK