초록 ▼

A vehicle air conditioning system is provided with various sensors such as inside and outside temperature sensors, engine coolant temperature sensor, solar radiation sensor and throttle opening sensor, and a control unit for producing one or more control signals to control the position of an air mix

A vehicle air conditioning system is provided with various sensors such as inside and outside temperature sensors, engine coolant temperature sensor, solar radiation sensor and throttle opening sensor, and a control unit for producing one or more control signals to control the position of an air mix door, the speed of a blower and/or a clutch of a compressor, by performing fuzzy inference in response to input signals derived from the sensors.

대표청구항 ▼

A vehicle air conditioning system comprising: air conditioning equipment comprising air conditioning means for discharging conditioned air into a compartment of a vehicle, a temperature control actuator for varying the temperature of discharge air discharged from said air conditioning means into the

A vehicle air conditioning system comprising: air conditioning equipment comprising air conditioning means for discharging conditioned air into a compartment of a vehicle, a temperature control actuator for varying the temperature of discharge air discharged from said air conditioning means into the vehicle compartment in accordance with a temperature control signal, and a restraining actuator for restraining the operation of said air conditioning means to prevent a decrease in the driving power of the vehicle in accordance with a restraint control signal; an inside temperature sensor for sensing the inside air temperature of the vehicle compartment; a vehicle condition sensor for sensing the condition of the vehicle; intention sensing means for sensing a driver\s intention to accelerate the vehicle and determining a command variable representing the driver\s intention; variable determining means for determining a first sensed variable which is the deviation of the inside temperature sensed by the inside temperature sensor from a desired value, a second sensed variable which is dependent on the condition sensed by said vehicle condition sensor, a third sensor variable which is proportional to the command variable determined by said intention sensing means, and a fourth sensed variable which is proportional to the variation of the command variable during a predetermined time interval; fuzzy inference means for storing a first membership function of the first sensed variable, a second membership function of the second sensed variable, a third membership function of the third sensed variable, and a fourth membership function of the fourth sensed variable and for determining a first output variable which is the value of the first membership function corresponding to the first sensed variable, a second output variable which is the value of the second membership function corresponding to the second sensed variable, a third output variable which is the value of the third membership function corresponding to the third sensed variable, and a fourth output variable which is the value of the fourth membership function corresponding to the fourth sensed variable; averaging means for determining a first average of the first and second output variables and a second average of the third and fourth output variables; and control signals producing means for producing the temperature control signal in accordance with the first average and the restraint control signal in accordance with the second average. *** BRS DOCUMENT BOUNDARY ***