Abstract
A general control system is made up of several interacting components : the plant to be controlled, the controller, the measurement systems, the actuators, etc. This is the reason why a control system may be very complex. Despite this, any closed-loop control system may be reduced to being represented by a single transfer function which relates the output to be controlled and the reference or the desired output. This closed-loop transfer function can be studied, as in Chap. 3. In the present chapter, the concept of block diagrams (see [1] for a historical perspective) is introduced to represent how a closed-loop control system is constituted and how to manipulate them to obtain the closed-loop transfer function is also explained.
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Notes
- 1.
When time is large enough or in a steady state.
References
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Hernández-Guzmán, V.M., Silva-Ortigoza, R. (2019). Stability Criteria and Steady-State Error. In: Automatic Control with Experiments. Advanced Textbooks in Control and Signal Processing. Springer, Cham. https://doi.org/10.1007/978-3-319-75804-6_4
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DOI: https://doi.org/10.1007/978-3-319-75804-6_4
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