Thermostat means adaptively controlling the amount of overshoot or undershoot of space temperature

Claim 1

Clock thermostat means adaptively controlling the amount of overshoot or undershoot of space temperature due to changes in the current temperature setpoint of said thermostat means, including: microcomputer means including real time clock means and memory means; data input means connected to said microcomputer means to input a sequence of desired heat and cool control temperature setpoints and times for a desired temperature control by said thermostat means; temperature sensor means including connection means to monitor temperature at said thermostat means; said connection means connected to said microcomputer means to communicate a temperature at said sensor means to said microcomputer means; said thermostat means further including output switch means adapted to control heating and cooling equipment by said thermostat means; said microcomputer means and said memory means including overshoot-undershoot correction program means which is operable to adjust a ramprate slope of a current temperature setpoint of said thermostat means; said overshoot-undershoot correction program means and said memory means providing a ramprate slope that reduces an overshoot-undershoot of said space temperature due to a change in said current temperature setpoint; and said overshoot-undershoot correction program means and said memory means creating a new ramprate slope after a temperature setpoint change to progressively adjust said ramprate slope of said thermostat to limit the amount of overshoot-undershoot of said space temperature to an acceptable level.