System, method and computer program product for improved climate control
Controller apparatus operative in conjunction with a climate control system including at least first and second climate control elements, the controller apparatus comprising a hardware processor providing hysteresis coupling between the at least first and second climate control elements, including providing at least one first hysteresis plan controlling the first climate control element, and at least one second hysteresis plan controlling the second climate control element. The first and second hysteresis plans each have at least one parameter, and at least one parameter of the second hysteresis plan is/are coupled to at least one parameter of the first hysteresis plan by computing the at least one parameter/s of the second hysteresis plan as a function of at least one parameter/s of the first hysteresis plan.
1 . A controller apparatus operative in conjunction with a climate control system including at least first and second climate control elements, the controller apparatus comprising:
a hardware processor providing hysteresis coupling between at least said first and second climate control elements, including providing at least one first hysteresis plan controlling the first climate control element, and at least one second hysteresis plan controlling the second climate control element and wherein said first and second hysteresis plans each have a plurality of parameters; and coupling at least one parameter of the plurality of parameters of the second hysteresis plan to at least one parameter of the plurality of parameters of the first hysteresis plan by computing said at least one parameter of the second hysteresis plan as a function of the at least one parameter of the first hysteresis plan,
wherein the plurality of parameters of the first and second hysteresis plans each include the parameters: (x, s, P0, P1), where x is a sensed, measured or computed climate aspect, s is an internal hysteresis plan state, P0 is a program controlling a climate control element which is activated when s=0, and P1 is a program controlling the climate control element which is activated when s=1.
2 . The controller apparatus according to claim 1 wherein the said first and second hysteresis plans each have at least one hysteresis parameter.
3 . The controller apparatus according to claim 1 , wherein the at least one hysteresis parameter of the first hysteresis plan, the second hysteresis plan, or both includes at least one of: a threshold center, an upper threshold, a lower threshold, at least one hysteresis gap parameter between the threshold center and at least one of an upper threshold and a lower threshold.
4 . The controller apparatus according to claim 1 , wherein x comprises a measurement generated by a single sensor.
5 . The controller apparatus according to claim 1 , wherein x comprises a combination of plural sensor measurements of at least one climate aspect at at least one time.
6 . The controller apparatus according to claim 1 , wherein the hardware processor is configured for detection of inefficiency of a current hysteresis program that is currently governing operation of a given climate control element and wherein, on at least one occasion in which inefficiency is detected, at least one of said first and second hysteresis plans is replaced by at least one new hysteresis plan, thereby modifying the current hysteresis program that is currently governing operation of the given climate control element.
7 . The controller apparatus according to claim 6 , wherein the at least one new hysteresis plan is coupled to at least one parameter of a hysteresis plan currently governing operation of a climate control element other than the given climate control element.
8 . The controller apparatus according to claim 6 , wherein said detection of inefficiency comprises detection of inability to maintain a target goal for at least one climate aspect.
9 . The controller apparatus according to claim 8 , wherein said target goal for at least one climate aspect comprises a target temperature and/or target humidity and/or target air pressure that are to be maintained.
10 . The controller apparatus according to claim 6 , wherein at least one decision to replace a hysteresis plan with a new plan is made responsive to one or more measurements of a duty cycle.
11 . The controller apparatus according to claim 6 , wherein at least one decision to replace a hysteresis plan with a new plan is made responsive to one or more measurements of one or more cycle times.
12 . The controller apparatus according to claim 1 , wherein at least one thermal comfort physical aspect is maintained by providing synchronization between at least a subset of plural climate control elements which affect said at least one thermal comfort physical aspect.
13 . The controller apparatus according to claim 12 , wherein said at least one thermal comfort physical aspect to be maintained comprises net zero air pressure over plural spaces between which air flows when the subset of plural climate control elements operate.
14 . The controller apparatus according to claim 12 , wherein at least one of said first and second hysteresis plans provides said synchronization.
15 . A method for controlling a climate control system including at least first and second climate control elements, the method comprising:
providing a hardware processor which provides hysteresis coupling between at least said first and second climate control elements, including providing at least one first hysteresis plan controlling the first climate control element, and at least one second hysteresis plan controlling the second climate control element and wherein said first and second hysteresis plans each have a plurality of parameters and coupling at least one parameter of the plurality of parameters of the second hysteresis plan to at least one parameter of the plurality of parameters of the first hysteresis plan by computing said at least one parameter of the second hysteresis plan as a function of the at least one parameter of the first hysteresis plan,
wherein the plurality of parameters of the first and second hysteresis plans each include the parameters: (x, s, P0, P1), where x is a sensed, measured or computed climate aspect, s is an internal hysteresis plan state, P0 is a program controlling a climate control element which is activated when s=0, and P1 is a program controlling the climate control element which is activated when s=1.
16 . A computer program product, comprising a non-transitory tangible computer readable medium having computer readable program code embodied therein, said computer readable program code adapted to be executed to implement a method for controlling a climate control system including at least first and second climate control elements, the method comprising:
providing a hardware processor which provides hysteresis coupling between at least said first and second climate control elements, including providing at least one first hysteresis plan controlling the first climate control element, and at least one second hysteresis plan controlling the second climate control element and wherein said first and second hysteresis plans each have a plurality of parameters; and coupling at least one parameter of the plurality of parameters of the second hysteresis plan to at least one parameter of the plurality of parameters of the first hysteresis plan by computing said at least one parameter of the second hysteresis plan as a function of the at least one parameter of the first hysteresis plan,
wherein the plurality of parameters of the first and second hysteresis plans each include the parameters: (x, s, P0, P1), where x is a sensed, measured or computed climate aspect, s is an internal hysteresis plan state, P0 is a program controlling a climate control element which is activated when s=0, and P1 is a program controlling the climate control element which is activated when s=1.