An LMI approach to H∞ controller design for linear time-delay systems

Automatica ◽  
1997 ◽  
Vol 33 (4) ◽  
pp. 737-739 ◽  
Author(s):  
Han Ho Choi ◽  
Myung Jin Chung
Keyword(s):  
Time Delay ◽  
Controller Design ◽  
Linear Time ◽  
Delay Systems ◽  
Time Delay Systems ◽  
Lmi Approach

Decentralized controller design by continuous pole placement for neutral time-delay systems

2016 ◽  
Vol 39 (3) ◽  
pp. 297-311 ◽  
Author(s):  
HE Erol ◽  
A İftar
Keyword(s):  
Time Delay ◽  
Controller Design ◽  
Linear Time ◽  
Pole Placement ◽  
Delay Systems ◽  
Time Delay Systems ◽  
Linear Time Invariant ◽  
Assignment Algorithm ◽  
Placement Algorithm ◽  
Time Invariant

The stabilizing decentralized controller design problem for (possibly descriptor-type) linear time-invariant neutral time-delay systems is considered. A design approach, based on the continuous pole placement algorithm and the decentralized pole assignment algorithm, is proposed. A design example is also presented, to demonstrate the proposed approach.

scholarly journals The revision and extension of the RMS ring for time delay systems

2017 ◽  
Vol 65 (3) ◽  
pp. 341-349 ◽  
Author(s):  
L. Pekař ◽  
R. Prokop
Keyword(s):  
Time Delay ◽  
Meromorphic Functions ◽  
Controller Design ◽  
Linear Time ◽  
Control Design ◽  
Design Tool ◽  
Delay Systems ◽  
Time Delay Systems ◽  
Linear Time Invariant ◽  
Original Definition

AbstractThis paper is aimed at reviewing the ring of retarded quasipolynomial meromorphic functions (RMS) that was recently introduced as a convenient control design tool for linear, time-invariant time delay systems (TDS). It has been found by the authors that the original definition does not constitute a ring and has some essential deficiencies, and hence it could not be used for an algebraic control design without a thorough reformulation which i.a. extends the usability to neutral TDS and to those with distributed delays. This contribution summarizes the original definition of RMSsimply highlights its deficiencies via examples, and suggests a possible new extended definition. Hence, the new ring of quasipolynomial meromorphic functions RQMis established to avoid confusion. The paper also investigates and introduces selected algebraic properties supported by some illustrative examples and concisely outlines its use in controller design.

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