Coursecode: wb2305
Coursename: Digital control

DUT creditpoints: 2
ECTS creditpoints: 3
Subfaculty of Mechanical Engineering and Marine Technology
Lecturer(s): Dijkstra, dr. Sj. Tel.: 015-2785606
Catalog data:
Computer control, sampling of continuous signals, discrete-time systems, disturbance models, state-space design, pole-placement, optimal control, minimum variance control, implementational aspects		 Courseyear: 3
Semester: 0/0/0/0/4
Hours p/w: 4
Other hours: 0
Assessment: written
Assessm.period(s): 5, 6
(see academic calendar)
Prerequisites: wb2204, wb2307
Follow up: none
Detailed description of topics:
Computer control. Sampling of continuous-time signals. The sampling theorem. Aliasing. Discrete-time systems. State-space systems in discrete-time. The z-transform. Selection of sampling-rate. Analysis of discrete-time systems. Stability. Controllability, reachability and observability. Disturbance models. Reduction of effects of disturbances. Stochastic models.Design methods. Approximations of continuous design. Digital PID-controller. Stata-space design methods. Obvservers. Pole-placement.Optimal design methods. Linear Quadratic control. Prediction.Minimum-variance control. LQG-control.Implementational aspects of digital controllers.
Course material:
K.J. Åström, B.Wittenmark 'Computer-controlled Systems, Prentice Hall ,1990, 2nd edition ISBN 0 13 168600 3
References from literature:
  • B.C.Kuo 'Digital Control Systems' Tokyo, Holt-Saunders, 1980
  • R..Isermann 'Digitale Regelsyteme' Berlin, Springer Verlag, 1977
Remarks (specific information about assesment, entry requirements, etc.):
Goals:
The effects of computer control are introduced. The differences with the theoretic approach of continuous time controllers is analyzed. Implementational aspects are discussed
Computer use:
Examples with MATLAB and Simulink are given during the lectures
Laboratory project(s):
Design content:
The design aspects of digital controllers are discussed
Percentage of design: 25 %