Title :
Discretisation of different non-integer order system approximations
Author :
Piatek, Pawel ; Zagorowska, Marta ; Baranowski, Jerzy ; Bauer, Waldemar ; Dziwinski, Tomasz
Author_Institution :
Dept. of Automatics & Biomed. Eng., AGH Univ. of Sci. & Technol., Kraków, Poland
Abstract :
The goal of this paper is to compare popular methods of approximation on non-integer order systems and propose strategies of increasing their robustness to numerical errors of their coefficients. It is shown, that popular methods during discretisation lead to instability.
Keywords :
approximation theory; discrete systems; robust control; instability; noninteger order system approximation; numerical error; robustness; Educational institutions; Interpolation; Numerical stability; Poles and zeros; Robustness;
Conference_Titel :
Methods and Models in Automation and Robotics (MMAR), 2014 19th International Conference On
Conference_Location :
Miedzyzdroje
Print_ISBN :
978-1-4799-5082-9
DOI :
10.1109/MMAR.2014.6957392
