Control Loops with a Stabilizing Effect

If the feedback signal triggers a negative feedback process, it can lead to counter-control or counter-coupling and to a state of equilibrium. This disturbance-compensating damper or absorber principle leads to stability.

Example: If you are driving a car equipped with an antilock braking system (ABS) and you want to brake to the maximum, you step firmly on the brake pedal. Without your intervention, the ABS regulates brake intervention so that your vehicle brakes optimally. Sensors detect the situation at every moment and adjust the application of the brakes on each wheel individually. A control process takes place that dynamically incorporates the environment.

If you were driving a classic car without ABS, you would have to react to the movements of your vehicle by sensitively pressing the brake pedal. You would control the braking action of your vehicle from the outside.

If you were to include yourself in the system under consideration, it would again be understood as a control system. You would then be the regulating link in the system.


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