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Modulbeschreibung - Feedback Control Systems
(Regelungstechnik)

Nummer
rt
ECTS 3.0
Level advanced
Overview All technical processes have to follow a reference value. This can be achieved with an open-loop or with a closed-loop control, using switched or linear controllers. The design of such controllers was introduced in rtGL. In rt the scope of controller design will be expanded with an introduction to state-space controllers, practical aspects of linear systems such as physical limits, nonlinearities and discrete-time systems and controllers.

  • State-space description and state controller design
  • Observer-based controllers
  • Speed and current control of a dc-machine (as a fundamental control
    structure)
  • Consideration of limits, anti-windup, feed forward and adaptation in linear
    control loops
  • Modelling of nonlinear transfer elements
  • Description and modelling of discrete-time transfer elements
  • Discrete-time controller design.

Learning objectives The students can describe and model physical systems with the state-space method and design controllers and observers in state space.
They can apply the linear control theory of rtGL to systems with physical limits, linearize and model nonlinear functions which occur in practice.
They know the most important approaches to expand control structures so that they work properly.
They understand, can model and consider the effects of discrete-time sampling and holding of signals and consider them correctly in the controller
design.
They know how to implement a discrete-time PID-controller on a processor. Further, they understand the basic principle of the z-transformation
Previous knowledge
  • Control Engineering - Fundamentals (rtGL)
Exam format Continuous assessment grade with final oral exam
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