Vol.7, No 1, 2008 pp. 71 - 78
UDC 681.51:62-55
HYBRID PREDICTIVE CONTROL WITH A PRESCRIBED
DEGREE OF STABILITY
Vojislav Filipović
Regional Centre for Talents, Loznica, Serbia
E-mail: vfilip@eunet.yu
Abstract. In this paper we will consider one class of hybrid controllers.
Such a control strategy is a mix of continuous dynamics and discrete events
philosophy. Here we consider a finite set of model predictive controllers
(MPC) which is the only advanced control technique to have had a significant
and widespread impact on industrial process control. There are several
advantages for wide acceptance of MPC: guaranteed stability, constraints
handling and easy extension to multivariable and nonlinear systems. In
this paper we add one more important property: significant increasing of
transient performance. Proposed controllers, also, have prescribed degree
of stability as a tuning parameter.
Key Words: Hybrid control, predictive controller, prescribed
degree of stability, asymptotic stability.
HIBRIDNI PREDIKTIVNI REGULATORI SA ZADATIM
STEPENOM STABILNOSTI
U ovom radu je razmatrana klasa hibridnih regulatora. Takva strategija
upravljanja je kombinacije kontinualne dinamike i diskretnih događaja.
Ovde se razmatra konačan skup prediktivnih regulatora koji, posle PID
regulatora, imaju najveću primenu u upravljanju realnih industrijskhm
procesa. Razlozi za to su: garantovana stabilnost, jednostavno uključivanje
ograničenja i jednostavna ekstenzija na multivarijabilne i nelinearne
sisteme. Hibridne strategije, s druge strane, značajno poboljšavaju prelazne
performanse sistema. Predloženi regulatori, takođe, imaju zadati stepen
stabilnosti kao podešavajući parametar.
Ključne reči: Hibridno upravljanje, prediktivni regulator,
zadati stepen stabilnosti, asimptotska stabilnost
