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Fractional order [PI] Controller and Smith-like Predictor Design for A Class of High Order Systems [article]

Zhenlong Wu, Jie Yuan, Yuquan Chen, Donghai Li, YangQuan Chen
2019 arXiv   pre-print
To handle the control difficulties caused by high-order dynamics, a control structure based on fractional order [proportional integral] (PI) controller and fractional order Smith-like predictor for a class  ...  This can verify that the fractional order Smith-like predictor with has an advantage over that of the integral order Smith-like predictor.  ...  order Smith-like predictor for a class of high order systems in the type of / ( 1) n K Ts  is proposed in this paper.  ... 
arXiv:1904.07907v1 fatcat:ju26srxxbffs7h7q7nthqpnevi

On the stabilization of high order systems with two unstable poles plus time delay

David Novella Rodriguez, Basilio Del Muro Cuellar, Olivier Sename, Martin Velasco Villa
2012 2012 20th Mediterranean Conference on Control & Automation (MED)  
For this, we will propose a simple observer based controller in order to stabilize the system.  ...  This work considers the stabilization of linear time invariant high order systems with two unstable poles plus time delay.  ...  The Proportional-Integral (PI) and Proportional-Integral-Derivative (PID) controllers are included in the control design for time delay systems [16] .  ... 
doi:10.1109/med.2012.6265607 fatcat:gikicrtgrnhp3p5hcecidiom4a

Observer based friction cancellation in mechanical systems

Caner Odabas, Omer Morgul
2014 2014 14th International Conference on Control, Automation and Systems (ICCAS 2014)  
Considering existing delay, an available Coulomb observer is modified and closed loop system is formed by using a Smith predictor based controller as if the process is delay free.  ...  For this purpose, controller parametrization method is used to extend Smith predictor structure to the position control loop for different types of inputs and disturbance attenuation.  ...  Contributions A new Smith predictor based controller is presented in [7, 8] for a special class of plants.  ... 
doi:10.1109/iccas.2014.6987950 fatcat:qasgi7m7rna4lo22xu4c4si27e

On Smith predictor-based controller design for systems with integral action and time delay

Ugur Tasdelen, Hitay Ozbay
2013 2013 9th Asian Control Conference (ASCC)  
A new Smith predictor based controller is proposed for systems with integral action and flexible modes under inputoutput time-delay.  ...  The design uses controller parametrization and aims to achieve a set of performance and robustness objectives.  ...  We also like to acknowledge the partial equipment support provided by the DPT-HAMIT project.  ... 
doi:10.1109/ascc.2013.6606172 dblp:conf/ascc/TasdelenO13 fatcat:lew3sy44uvhv3btcoaa5eg5e3y

Obtaining controller parameters for a new Smith predictor using autotuning

Somanath Majhi, Derek P. Atherton
2000 Automatica  
The paper extends recent work on a modi"ed Smith predictor strategy, which leads to signi"cant improvements in its regulatory capacities for reference inputs and disturbances.  ...  High-order or long dead time stable, integrating and unstable plants are modelled as lower-order plant models with a longer time delay.  ...  Another simple and powerful control technique is the Smith predictor. The controller can be designed as if the system were delay free.  ... 
doi:10.1016/s0005-1098(00)00085-6 fatcat:2bt44qgbgzcsneacjnoljvglc4

Disturbance attenuation in time-delay systems — A case study on engine air-fuel ratio control

Mrdjan Jankovic, Stephen Magner
2011 Proceedings of the 2011 American Control Conference  
In this paper we analyze relative performance of several approaches to disturbance attenuation for systems with time delay including the conventional Proportional-Integral controller, the Smith Predictor  ...  The paper proposes a measure of disturbance attenuation capability and computes it analytically for each of the controllers considered.  ...  The Model Reduction is the method of control design for systems with input delays that relies on a transformation into a "proxy" system without delays.  ... 
doi:10.1109/acc.2011.5990618 fatcat:wrgb2qmdxng4jhjru264hy6huq

Design of PID controllers for dead-time systems using hybrid biogeography based optimisation

G. Kanthaswamy, Jovitha Jerome
2012 International Journal of System Control and Information Processing  
The effectiveness of the proposed algorithms namely SDPS-BBO, IMF-BBO are demonstrated using PID and Smith predictor controller schemes applied to unit step set point response for a class of dead-time  ...  This paper introduces the application of BBO algorithms to Proportional Integral Derivative (PID) controller tuning.  ...  Acknowledgements The authors would like to thank the organization Geometric Limited, SP Info City, Block A, Ist Floor, Module 4, No.40, MGR Salai, Perungudi, Kandanchavadi, Chennai 600 096, India for providing  ... 
doi:10.1504/ijscip.2012.050466 fatcat:fwwci2tug5gx7gl5g2phrrgxne

Observer-based scheme for the control of high order systems with two unstable poles plus time delay

David Fernando Novella Rodríguez, Basilio del Muro-Cuéllar, Olivier Sename
2013 Asia-Pacific Journal of Chemical Engineering  
A simple observer based controller is designed in order to achieve a stable behavior of the closed loop system.  ...  This paper deals with the problem of the stabilization and control of linear time invariant high order systems with two unstable real poles plus time delay.  ...  With a different perspective, [18] presents a strategy based on a modified smith predictor in order to control second order system but only the case of one unstable pole is dealt.  ... 
doi:10.1002/apj.1757 fatcat:2bg4lwbl6rezbil5wfcfej3xje

A simple observer based controller for the stabilization of systems with two unstable poles plus time delay

David Novella Rodriguezy, Basilio Del Muro Cuellary, Olivier Senamez
2011 2011 19th Mediterranean Conference on Control & Automation (MED)  
For this, we will proposed a simple observer based controller in order to stabilize the system.  ...  A robustness analysis with respect to the delay uncertainty is presented as well as numerical examples and electronic implementation of the proposed schema in order to illustrate the performance of the  ...  Another classical control approaches for time-delay systems include Proportional-Integral-Derivative (PID) control, classical smith predictors (SPC), etc, [8] , [14] .  ... 
doi:10.1109/med.2011.5983130 fatcat:q7zh5w2rcbg5fgtqvm5wba43va

PLC-based Smith Predictor for Control of the Temperature Process with Long Dead Time

M. Balaji, K. Porkumaran
2016 Research Journal of Applied Sciences Engineering and Technology  
This study presents the development of dead-time compensator with Proportional Integral-Derivative (PID) controller and their implementation in real-time using the Programmable Logic Controller (PLC) on  ...  a heaterfurnace system that constitute the temperature process.  ...  The Smith Predictor is one of the most compensating controller and most time compensation in industry.  ... 
doi:10.19026/rjaset.13.2925 fatcat:tiqaaadhxjhthaofefkzvezwcm

Asymmetries in the Disturbance Compensation Methods for the Stable and Unstable First Order Plants

Mikulas Huba, Pavol Bistak, Damir Vrancic, Katarina Zakova
2020 Symmetry  
However, by generalization of this approach for disturbance rejection, the methodology of DOB design, based on nominal models, can be extended to the control of unstable systems.  ...  This paper analyzes the first-order and first-order time-delayed systems control approaches, focusing mainly on unstable systems.  ...  It represents one of the typical features of the so-called Smith predictor [2] used frequently for control of stable first-order time delayed systems.  ... 
doi:10.3390/sym12101595 fatcat:wsubw43xyvcrhexabpmlmk34ke

Comparison of a Perpetual and PD Inventory Control System with Smith Predictor and Different Shipping Delays Using Bicriterial Optimization and SPEA2

Ewelina Chołodowicz, Przemysław Orłowski
2016 Pomiary Automatyka Robotyka  
The aim of this work is to confront: a perpetual inventory system found in the literature and inventory system with PD control and Smith predictor proposed by the authors.  ...  With regard to complexity of the proposed control system, we use a SPEA2 algorithm to solve optimization task for assumed scenario of the market demand.  ...  The structure shown in Fig. 3 -the control system is based on a classical structure with Smith predictor.  ... 
doi:10.14313/par_221/5 fatcat:h2gpcpnkfzgyddueylgewz5wdu

Development of Embedded Speed Control System for DC Servo Motor using Wireless Communication [article]

Santosh Mohan Rajkumar, Sayan Chakraborty, Dr. Rajeeb Dey
2019 arXiv   pre-print
The design & analysis of the system is based on the mathematical model of the DC motor obtained by system identification technique.  ...  In this experiment, a closed-loop discrete time system for speed control of a permanent magnet DC motor with discrete PI controller is implemented in embedded platform.  ...  Hence, G j (s) almost behaves like a first order system.  ... 
arXiv:1912.00337v1 fatcat:cgwivxa6y5hn3c6xphooh5qble

Evaluation and tuning of robust PID controllers

B. Lennartson, B. Kristiansson
2009 IET Control Theory & Applications  
On the other hand, together with a PID controller the Smith predictor may improve performance to some extent for plants with moderate delays.  ...  For a delayed plant a Smith predictor can be introduced.  ...  for a given class of controllers.  ... 
doi:10.1049/iet-cta:20060450 fatcat:k2qujoyfmbcrvpwczjuxjmslre

Zaman gecikmeli kontrolcü sinyalleri bozucu etkilere maruz kalan bir DC servomotorun geribeslemeli kontrolü

Arif Ankaralı, Hüseyin Arslan, Hamza Diken
2017 Sakarya University Journal of Science  
For the wireless control of the servomotors actuating some mechanical systems, a modified Smith predictor is designed to drive the system efficiently to take care of the disturbance effects coming from  ...  The success of the calculated predictors together with the tuned PID controller and the controllable range for disturbance to controller signal ratio are shown on a low power DC servomotor by simulations  ...  The controller design for a class of systems with actuator failures as well as time delays in control inputs is studied by Zhao et al.  ... 
doi:10.16984/saufenbilder.289938 fatcat:rckgfixk4bd4dmccfnbivthd4m
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