SLIO 02 control system Rolls-Royce

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Essential details：SLIO 02 control system Rolls-Royce

A control system means by which any quantity of interest or variation in a machine, mechanism, or other equipment can be maintained and changed in a desired manner. The control system is also implemented to make the controlled object reach the predetermined ideal state. The control system tends the controlled object to a certain desired stable state.
For example, suppose you have a drive system for a car, and the speed of the car is a function of its accelerator position. The desired speed can be maintained (or a desired change in speed can be achieved) by controlling the pressure on the accelerator pedal. The vehicle drive system (accelerator, carburetor and engine vehicle) constitutes a control system.

SLIO 02

Categorize with or without feedback
No feedback is called open-loop control system, this kind of system input directly to the controller, and through the controller to control the object. Its main advantages are simple structure, cheap price, easy maintenance; The disadvantage is low precision, easy to be affected by environmental changes (such as power supply fluctuations, temperature changes, etc.).
There is feedback called closed-loop control system, the difference between input and feedback signal (deviation signal) is added to the controller, and then adjust the output of the controlled object, so as to form a closed-loop control loop. Therefore, the closed-loop system is also called feedback control system, and this feedback is called negative feedback. Compared with the open-loop system, the closed-loop system has outstanding advantages, including high precision, good dynamic performance and strong anti-interference ability. Its disadvantage is that the structure is more complex, the price is more expensive, the maintenance personnel requirements are higher.
Classification according to the signal processing technology used
Analog control system, using analog technology to process the signal control system is called analog control system.
Digital control system, the use of digital technology to process the signal control system called digital control system.
Classification by constant input
Input is constant, this control system we generally call constant value control system, such as constant speed motor, constant temperature furnace, etc.
The output varies with the input, and this control system is called a follower system. For example, automatic missile targeting system.

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