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2. Control theory - Wikipedia

   en.wikipedia.org/wiki/Control_theory

   The definition of a closed loop control system according to the British Standards Institution is "a control system possessing monitoring feedback, the deviation signal formed as a result of this feedback being used to control the action of a final control element in such a way as to tend to reduce the deviation to zero."

3. Control system - Wikipedia

   en.wikipedia.org/wiki/Control_system

   The control action is the switching on/off of the boiler, but the controlled variable should be the building temperature, but is not because this is open-loop control of the boiler, which does not give closed-loop control of the temperature. In closed loop control, the control action from the controller is dependent on the process output.

4. Model predictive control - Wikipedia

   en.wikipedia.org/wiki/Model_predictive_control

   Model predictive control (MPC) is an advanced method of process control that is used to control a process while satisfying a set of constraints. It has been in use in the process industries in chemical plants and oil refineries since the 1980s.

5. Kindergartener injured in Northern California school shooting ...

   www.aol.com/kindergartener-injured-northern...

   PALERMO — One of the two kindergarteners injured in a Northern California school shooting in early December may not regain the use of his legs, the family told CBS Sacramento on Thursday.

6. Damar Hamlin's life was saved by an AED. Here are 5 things ...

   www.aol.com/lifestyle/damar-hamlins-life-saved...

   Nearly two years ago, NFL fans watched in horror as Buffalo Bills safety Damar Hamlin collapsed on the field after experiencing a sudden cardiac arrest (SCA) midgame. But the now-26-year-old ...

7. Daughter Admits She Used to Throw Plates Away Rather Than ...

   www.aol.com/daughter-admits-she-used-throw...

   Related: Woman No Longer Cooks Husband Dinner After He Refuses to Do Dishes: 'He Can Handle His Own' Later in the video, Sam dropped a big bombshell as she admitted she once faked a health crisis. ...

8. Functional flow block diagram - Wikipedia

   en.wikipedia.org/wiki/Functional_flow_block_diagram

   Figure 1: Functional flow block diagram format. [1] A functional flow block diagram (FFBD) is a multi-tier, time-sequenced, step-by-step flow diagram of a system's functional flow. [2] The term "functional" in this context is different from its use in functional programming or in mathematics, where pairing "functional" with "flow" would be ...

9. Functional block diagram - Wikipedia

   en.wikipedia.org/wiki/Functional_block_diagram

   Functional block diagram of the attitude control and maneuvering electronics system of the Gemini spacecraft. June 1962. A functional block diagram, in systems engineering and software engineering, is a block diagram that describes the functions and interrelationships of a system. The functional block diagram can picture: [1]