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  2. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    For example, a temperature-controlled circulating bath has two PID controllers in cascade, each with its own thermocouple temperature sensor. The outer controller controls the temperature of the water using a thermocouple located far from the heater, where it accurately reads the temperature of the bulk of the water.

  3. Temperature control - Wikipedia

    en.wikipedia.org/wiki/Temperature_control

    Temperature measuring and controlling module for microcontroller experiment. Temperature control is a process in which change of temperature of a space (and objects collectively there within), or of a substance, is measured or otherwise detected, and the passage of heat energy into or out of the space or substance is adjusted to achieve a desired temperature.

  4. Direct digital control - Wikipedia

    en.wikipedia.org/wiki/Direct_digital_control

    The unit controllers typically have analog and digital inputs, that allow measurement of the variable (temperature, humidity, or pressure) and analog and digital outputs for control of the medium (hot/cold water and/or steam). Digital inputs are typically (dry) contacts from a control device, and analog inputs are typically a voltage or current ...

  5. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    Other thermostat used for process/industrial control where on/off control is not suitable the PID control can also makes sure that the temperature is very stable (for instance, by reducing overshoots by fine tuning PID constants for set value (SV) [19] or maintaining temperature in a band by deploying hysteresis control. [20]) Most digital ...

  6. Programmable thermostat - Wikipedia

    en.wikipedia.org/wiki/Programmable_thermostat

    3.3 Digital thermostats with PID controller. 3.4 ... A programmable thermostat is a thermostat which is designed to adjust the temperature according to a series of ...

  7. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    The program features include time schedules, set points, controllers, logic, timers, trend logs, and alarms. The unit controllers typically have analog and digital inputs that allow measurement of the variable (temperature, humidity, or pressure) and analog and digital outputs for control of the transport medium (hot/cold water and/or steam ...

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