[HTML][HTML] A novel order diminution of LTI systems using Big Bang Big Crunch optimization and Routh Approximation

SR Desai, R Prasad - Applied Mathematical Modelling, 2013 - Elsevier
A novel computer aided method is presented that yields Linear Time Invariant Reduced
Order System (LTI-ROS). This is accomplished by using the combined benefits of Big Bang …

Tuning PID controllers for higher-order oscillatory systems with improved performance

GM Malwatkar, SH Sonawane, LM Waghmare - ISA transactions, 2009 - Elsevier
In this paper, model based design of PID controllers is proposed for higher-order oscillatory
systems. The proposed method has no limitations regarding systems order, time delays and …

A new model reduction technique for the design of controller by using moment matching algorithm

AK Prajapati, R Prasad - IETE Technical Review, 2022 - Taylor & Francis
A new system abatement scheme is proposed for the abatement of the complexity of the
large-scale continuous time dynamic plants. In this abatement technique, a generalized …

Design of decentralized controllers for MIMO processes

MJ Lengare, RH Chile, LM Waghmare - Computers & Electrical …, 2012 - Elsevier
In this paper, the design of decentralized PID controller for interactive and delay time
processes is proposed. Direct controller synthesis approach is used to obtain parameters of …

Order reduction of LTI systems and their qualitative comparison

A Narwal, R Prasad - IETE Technical Review, 2017 - Taylor & Francis
ABSTRACT A novel model order-reduction method is proposed for both single and
multivariable systems; the method is based on preserving dominant frequency selection …

Some further observations on the differentiation method of modal reduction

TN Lucas - IEEE transactions on automatic control, 1992 - ieeexplore.ieee.org
The differentiation method of model reduction is shown to be equivalent to forming
successive ratios of multipoint Taylor polynomial approximation of the numerator and …

Model order reduction of discrete-time interval systems by differentiation calculus

AK Choudhary, SK Nagar - Automatic Control and Computer Sciences, 2018 - Springer
The paper presents an algorithm for order reduction of a discrete-time interval system based
on the conventional differential calculus approach. The procedure initiated for the …

A novel order reduction approach for LTI systems using cuckoo search and Routh approximation

A Narwal, R Prasad - 2015 IEEE International Advance …, 2015 - ieeexplore.ieee.org
A novel order reduction approach for continuous time systems which utilizes recently
developed Cuckoo Search Optimization and Routh Approximation (RA) technique is …

[PDF][PDF] Design of controllers for higher-order-plus-delay-time processes: A practical solution

GM Malwatkar, LM Waghmare - International Journal of Computer …, 2010 - Citeseer
In this paper, a simple design method of proportional-integral (PI) controllers is proposed for
higher order (HO)-plus delay time (HOPDT) processes. This controller is designed to handle …

Frequency-domain approach to model-reduction problem

A Lepschy, G Mian, U Viaro - Electronics Letters, 1982 - infona.pl
Model reduction is performed in the frequency domain by matching the first Taylor-series-
expansion coefficients of the square magnitude of the original and the approximating …