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Journal articles on the topic 'Lead-lag controller'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Jadoon, Zuwwar Khan, Sobia Shakeel, Abeera Saleem, et al. "A Comparative Analysis of PID, Lead, Lag, Lead-Lag, and Cascaded Lead Controllers for a Drug Infusion System." Journal of Healthcare Engineering 2017 (2017): 1–13. http://dx.doi.org/10.1155/2017/3153252.

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Goal. The aim of this paper is to conduct a comprehensive comparative analysis between five different controllers for a drug infusion system in total intravenous anesthesia (TIVA) administration. Methods. The proposed method models a dilution chamber with first order exponential decay characteristics to represent the pharmacokinetic decay of a drug. The dilution chamber is integrated with five different control techniques with a simulation-based comparative analysis performed between them. The design process is conducted using MATLAB SISOTOOL. Results. The findings show that each controller ha

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2

Fu, Xing Yu, Guang Bi Zhang, and Mao Rui Zhang. "Antiwindup Controller Design for Phase-Lead-Lag Controller." Advanced Materials Research 945-949 (June 2014): 2767–71. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.2767.

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The original idea of antiwindup controller design of equivalent separated-integartor controller structure for phase-lead-lag controller is presented in the paper. The idea is competitive to antiwindup for PID controller which is frequently applied in industry. Thus, mature approach of antiwindup for PID controller can be adopted in solving windup problems in phase-lead-lag controller. From equivalent model and especially from performed simulations, it is seen that the presented solution eliminate the windup.

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3

Dogruer, Tufan, and Nusret Tan. "Lead and lag controller design in fractional-order control systems." Measurement and Control 52, no. 7-8 (2019): 1017–28. http://dx.doi.org/10.1177/0020294019858094.

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This paper presents a controller design method using lead and lag controllers for fractional-order control systems. In the presented method, it is aimed to minimize the error in the control system and to obtain controller parameters parametrically. The error occurring in the system can be minimized by integral performance criteria. The lead and lag controllers have three parameters that need to be calculated. These parameters can be determined by the simulation model created in the Matlab environment. In this study, the fractional-order system in the model was performed using Matsuda’s fourth-

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4

Tan, Nusret. "Computation of stabilizing Lag/Lead controller parameters." Computers & Electrical Engineering 29, no. 8 (2003): 835–49. http://dx.doi.org/10.1016/s0045-7906(03)00012-0.

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5

Sangeetha, J., and P. Renuga. "Recurrent ANFIS-Coordinated Controller Design for Multimachine Power System with FACTS Devices." Journal of Circuits, Systems and Computers 26, no. 02 (2016): 1750034. http://dx.doi.org/10.1142/s0218126617500347.

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This paper proposes the design of auxiliary-coordinated controller for static VAR compensator (SVC) and thyristor-controlled series capacitor (TCSC) devices by adaptive fuzzy optimized technique for oscillation damping in multimachine power systems. The performance of the coordinated control of SVC and TCSC devices based on feedforward adaptive neuro fuzzy inference system (F-ANFIS) is compared with that of the adaptive neuro fuzzy inference system (ANFIS) structure based on recurrent adaptive neuro fuzzy inference system (R-ANFIS) network architecture. The objective of the coordinated control

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6

Khampariya, Prabodh, Sidhartha Panda, Hisham Alharbi, Almoataz Y. Abdelaziz, and Sherif S. M. Ghoneim. "Coordinated Design of Type-2 Fuzzy Lead–Lag-Structured SSSCs and PSSs for Power System Stability Improvement." Sustainability 14, no. 11 (2022): 6656. http://dx.doi.org/10.3390/su14116656.

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This work suggests a type-2 fuzzy lead–lag (T2FLL) controller structure for flexible AC transmission system (FACTS)-based damping controllers and power system stabilizers (PSSs) for power system stability improvement. The values of the suggested controller are optimized by a hybrid adaptive differential evolution and pattern search algorithm (hADE-PS) method. Initially, a single-machine infinite-bus (SMIB) system with lead–lag (LL)-structured FACTS and PSS controllers is considered, and the dominance of the hADE-PS method is established over the original differential evolution (DE), genetic al

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7

Nahak, Narayan, and Ranjan Kumar Mallick. "Efficacy of GWO Optimized PI and Lead-lag Controller for Design of UPFC based Supplementary Damping Controller." IAES International Journal of Robotics and Automation (IJRA) 6, no. 4 (2017): 241. http://dx.doi.org/10.11591/ijra.v6i4.pp241-251.

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<p><span>On line tuning of FACTS based damping controller is a vital decisive task in power system. In this regard two things need to be addressed, one is selection of a proper controller and another one is selection of a powerful optimization technique. In this work Grey Wolf Optimizer (GWO) technique is proposed to tune parameters of PI and lead lag controller based on UPFC to damp intra plant and inter area electromechanical oscillations with single and multi machine power system. A broad comparison has been performed with eigen value analysis between optimized PI and lead lag d

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8

Neveux, Philippe, and Eric Blanco. "Robust H∞ filtering by means of lead-lag controller." IFAC Proceedings Volumes 41, no. 2 (2008): 450–55. http://dx.doi.org/10.3182/20080706-5-kr-1001.00076.

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9

Li, See Chew, and Amir Nassirharand. "Nonlinear Lead-Lag Controller Synthesis for Unstable Nonlinear Systems." Journal of Aerospace Engineering 27, no. 5 (2014): 04014024. http://dx.doi.org/10.1061/(asce)as.1943-5525.0000333.

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10

Babesse, Saad. "Design of Two Optimized Controllers of a Hydraulic Actuator Semi-Active Suspension: A Comparison Study." Engineering, Technology & Applied Science Research 9, no. 4 (2019): 4561–65. https://doi.org/10.5281/zenodo.3370757.

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A parallel optimization of Proportional, Integral and Derivative (PID) controller and a sixth order phase lead-lag compensator of a high order naturally oscillatory hydraulic actuator are proposed in this paper. The PID controller parameters (proportional, integral and derivative) and the compensator parameters (gain, poles and zeros) are obtained by minimizing the Integral of Time Absolute Error (ITAE) criterion. The proposed methods are demonstrated through a realistic numerical synthesis example of a hydraulic actuator dedicated to a semi-active suspension modeled by an eighth order transfe

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11

Abdulwahhab, Omar Waleed, and Nizar Hadi Abbas. "Survey Study of Factional Order Controllers." Journal of Engineering 26, no. 4 (2020): 188–201. http://dx.doi.org/10.31026/j.eng.2020.04.13.

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This is a survey study that presents recent researches concerning factional controllers. It presents several types of fractional order controllers, which are extensions to their integer order counterparts. The fractional order PID controller has a dominant importance, so thirty-one paper are presented for this controller. The remaining types of controllers are presented according to the number of papers that handle them; they are fractional order sliding mode controller (nine papers), fuzzy fractional order sliding mode controller (five papers), fractional order lag-lead compensator (three pap

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12

Yang, Wenbo. "Design and analysis of root locus based controllers." Journal of Physics: Conference Series 2634, no. 1 (2023): 012020. http://dx.doi.org/10.1088/1742-6596/2634/1/012020.

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Abstract The root locus method is the classical method for analyzing the variation of the position of the poles of a closed-loop control system transfer function in the complex plane. It is also the basis for guiding the design of various controllers. Starting from the nature of the root locus, this paper takes a standard form of closed-loop feedback control system as an example, and analyzes in detail the internal logic of designing a controller and compensator by the root locus method. At the same time, software such as MATLAB/Simulink, and Octave are used. The working principles and propert

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13

Arzeha, Nurul Aziah, Mohd Wazir Mustafa, and Rasyidah Mohamed Idris. "Lead Lag Controller of TCSC Optimized by Bees Algorithm for Damping Low Frequency Oscillation Enhancement in SMIB." Applied Mechanics and Materials 781 (August 2015): 374–78. http://dx.doi.org/10.4028/www.scientific.net/amm.781.374.

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Power system is often vulnerable to low frequency electromechanical oscillations due to the interconnected configuration. A common lead-lag controller is used for one of the FACTS devices known as Thyristor Controlled Series Compensator (TCSC) as supplementary controller for damping purpose in order to improve transient stability and power oscillation damping of the system. As Bees Algorithm (BA) optimized the parameters of the TCSC lead-lag controller, thus its named is TCSC-BALL. In this study, the optimization problem is formulated as a constrained optimization with the main objective is to

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14

Patra, Asit Kumar, and Sangram Keshori Mohapatra. "Coordinated Control of PSS with Type-2 Fuzzy Lead Lag SSSC Damping Controller Design Using Modified Local Signal." ECTI Transactions on Electrical Engineering, Electronics, and Communications 21, no. 3 (2023): 251468. http://dx.doi.org/10.37936/ecti-eec.2023213.251468.

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The Sine Cosine adapted improved WOA(SCiWOA) based design coordinated control of Type-2 fuzzy logic control (T2FLC) power system stabilizer (PSS) with modified local signal (MLS) input to Type-2 FLC lead-lag-based Static synchronous Series Compensator (SSSC) controller considered for transient stability improvement. Initially, the SCiWOA optimized coordinated control of MLS input to a lead lag-based SSSC controller with PSS was compared with the Whale Optimization Algorithm (WOA) and particle swarm optimization (PSO) based coordinated control of the same controller with the structure of the SM

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15

Ali Kahdum, Shahzanan, Khalid M. Abdul-Hassan, and Ramzy S. Ali. "Modeling of Structural Human Dynamic Simulation of Speed Control for Synchronous Reluctance Motor Based on Tuning Cascaded PID Controller with PSO Algorithm." University of Thi-Qar Journal for Engineering Sciences 7, no. 2 (2016): 1–15. http://dx.doi.org/10.31663/utjes.v7i2.58.

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This paper presents simulation and control of synchronous reluctance motor (SynRM). The motor speed is controlled by using Traditional PID controller that have been used in cascaded form. The Particle Swarm Optimization (PSO) is used to find the optimal parameters of the PID controller. Lead-Lag controller introduce in the cascaded controller as a second stage of control. Space vector pulse width modulation (SVPWM) scheme proposed to control the motor by using variable input voltage. A comparison between the manually tuned and PSO tuned cascade controller shows that the PSO give amazing contro

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16

Gogani Khiabani, Ataollah, and Reza Babazadeh. "Design of robust fractional-order lead–lag controller for uncertain systems." IET Control Theory & Applications 10, no. 18 (2016): 2447–55. http://dx.doi.org/10.1049/iet-cta.2015.1293.

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17

Ramtin, Rasouli Nezhad, and Abdi Hamdi. "Optimal Lead-lag controller designing for voltage control of fuel cell." Scientific Research and Essays 8, no. 42 (2013): 2079–86. http://dx.doi.org/10.5897/sre2013.5666.

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18

Anbarasi, Soundarapandian, and Srinivasan Muralidharan. "Design of Specification Oriented Compensator with a PID Controller for Load Frequency Control." Applied Mechanics and Materials 573 (June 2014): 248–53. http://dx.doi.org/10.4028/www.scientific.net/amm.573.248.

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This paper proposes a design of Specification Oriented Compensator (SOC) with a Proportional Integral Derivative (PID) controller for Load frequency Control (LFC) in a thermal power system. The phase margin which is derived from the computationally tuned response of PID controller is considered as a desirable specification and it is used to design the compensator. The different structures of compensator like lead, lag and lead-lag were first simulated in a single area power system and better results are found in Specification Oriented Lead Compensator (SOLC). The simulation study of two area t

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19

Shahgholian, G., and A. Fattollahi. "Improving Power System Stability Using Transfer Function: A Comparative Analysis." Engineering, Technology & Applied Science Research 7, no. 5 (2017): 1946–52. https://doi.org/10.5281/zenodo.1037187.

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In this paper, a small-signal dynamic model of a single-machine infinite-bus (SMIB) power system that includes IEEE type-ST1 excitation system and PSS based on transfer function structure is presented. The changes in the operating condition of a power system on dynamic performance have been examined. The dynamic performance of the closed-loop system is analyzed base on its eigenvalues. The effectiveness of the parameters changes on dynamic stability is verified by simulation results. Three types of PSS have been considered for analysis: (a) the derivative PSS, (b) the lead-lag PSS or conventio

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20

Satapathy, Samarjeet, Narayan Nahak, and Bikram Nayak. "Modified PSO tuned two stage lead lag STATCOM control action for small signal stability enhancement of variable wind integrated power system." Journal of Statistics & Management Systems 26, no. 1 (2023): 23–34. http://dx.doi.org/10.47974/jsms-944.

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In this work Modified PSO (MPSO) is proposed to tune two stage lead lag control action based on STATCOM for enhancing small signal stability of an intermittent wind source penetrated power system. The Modified PSO has been compared with standard PSO and fractional PSO to tune controller parameters of STATCOM based control action. Multi machine system subjected to sudden and intermittent wind variations have been considered in this work. Subject to this wind penetration the lead lag control action with only PSO and two stage lead lag control action with fractional PSO and modified PSO has been

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21

Kumar, B. Senthil, and K. Suresh Manic. "Sliding Mode Control for a Minimum Phase Unstable Second Order System." Applied Mechanics and Materials 573 (June 2014): 285–90. http://dx.doi.org/10.4028/www.scientific.net/amm.573.285.

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Sliding Mode Control is a robust Controller for Linear and Nonlinear plants where uncertainty in the model exists.Convetional controllers such as PID, Lead-lag Compensators do not to compensate for the uncertainties due to modeling and rejection to either matched or unmatched disturbances .The proposed method for controlling Unstable Second Order System with a zero by padmashree et al2 is taken from the literature for a Jacketed Continous Stirred-Tank Reactor.Introduction

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22

Babesse, S. "Design of Two Optimized Controllers of a Hydraulic Actuator Semi-Active Suspension: A Comparison Study." Engineering, Technology & Applied Science Research 9, no. 4 (2019): 4561–65. http://dx.doi.org/10.48084/etasr.2836.

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A parallel optimization of Proportional, Integral and Derivative (PID) controller and a sixth order phase lead-lag compensator of a high order naturally oscillatory hydraulic actuator are proposed in this paper. The PID controller parameters (proportional, integral and derivative) and the compensator parameters (gain, poles and zeros) are obtained by minimizing the Integral of Time Absolute Error (ITAE) criterion. The proposed methods are demonstrated through a realistic numerical synthesis example of a hydraulic actuator dedicated to a semi-active suspension modeled by an eighth order transfe

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23

Wang, De Jin, Yi Jun Fan, and Wan Qi Shi. "Pole Placement for Time-Delay Systems with Low-Order Controllers a Parameter Space Approach." Applied Mechanics and Materials 568-570 (June 2014): 1100–1103. http://dx.doi.org/10.4028/www.scientific.net/amm.568-570.1100.

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This paper discusses the pole placement with low-order controllers, e.g., PID type controllers and phase lead/lag compensators, using parameter space approach. The damping ratio sector region and the relative stability region in s-plane, which form a trapezoid region in the left-half of s-plane, are mapped into the controller parameters space. Thus, the corresponding controller parameters can place all the closed-loop poles in a specified trapezoid region, and guarantee the performances of the closed-loop systems. The advantage of the proposed method is that it is simple and can be applied to

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24

Jeong, Horyeong, Jong Hyuk Choi, and Jae Suk Lee. "A Current Control Algorithm to Improve Command Tracking Performance and Resilience of a Grid-Connected Inverter." Applied Sciences 10, no. 23 (2020): 8642. http://dx.doi.org/10.3390/app10238642.

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This paper presents a stationary reference frame grid current control algorithm for a grid-connected inverter (GCI) to improve command tracking performance and resilience in response to disturbances, i.e., a grid voltage incident in a GCI current control system. In the proposed algorithm, disturbance rejection is applied to reduce the overcurrent at the GCI in response to a grid fault. Disturbances to the GCI current control system are estimated using a grid current observer, and the estimate applied to the grid current controller to activate the disturbance rejection. The stationary reference

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25

Li, Xiantao, Bao Zhang, Honghai Shen, and Dapeng Tian. "The Booting-Type ADRC of Airborne Photoelectrical Platform." Mathematical Problems in Engineering 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/672506.

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Customary disturbance rejection in the photoelectrical platform is “passive,” which makes it difficult to further improve the isolation degree owning to the strict restriction of mechanical resonance frequency. In this paper, a booting-type ADRC is proposed, whose disturbance estimation process is guided by target value to reduce the overshoot and lag in the estimated value of disturbance. All kinds of disturbance in the system are modeled in a unified way by using the equivalent disturbance voltage to avoid the complex modeling process. Based on the simplified model, extended state observer (

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Wang, Jingyi, Yuanhong Dan, and Runshan Peng. "Research on Steering Balance Control of Two-wheeled Vehicles Under Large Time Delay." Academic Journal of Science and Technology 8, no. 1 (2023): 192–96. http://dx.doi.org/10.54097/ajst.v8i1.14309.

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Time lag is very common in real control systems and is more important in driverless intelligent single rutted two-wheeled vehicles. Time lag can lead to slower response of the control system to external changes, which can reduce the stability or even imbalance of the vehicle. Traditional control methods may not be directly applicable to systems with time lag, so special control strategies are needed to deal with the effects of time lag. In this paper, we build a non-time-lagged steering balance controller by analysing the dynamics model of an unmanned intelligent single rutted two-wheeled vehi

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Lee, Heung-Jae, Seong-Su Jhang, Won-Kun Yu, and Jung-Hyun Oh. "Artificial Neural Network Control of Battery Energy Storage System to Damp-Out Inter-Area Oscillations in Power Systems." Energies 12, no. 17 (2019): 3372. http://dx.doi.org/10.3390/en12173372.

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This paper proposed an ANN (Artificial Neural Network) controller to damp out inter-area oscillation of a power system using BESS (Battery Energy Storage System). The conventional lead-lag controller-based PSSs (Power System Stabilizer) have been designed using linear models usually linearized at heavy load conditions. This paper proposes a non-linear ANN based BESS controller as the ANN can emulate nonlinear dynamics. To prove the performance of this nonlinear PSS, two linear PSS are introduced at first which are linearized at the heavy load and light load conditions, respectively. It is then

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Nahak, Narayan, and Samarjeet Satapathy. "A Coordinated Pumped Storage Dual Compensated Hydro Governor with PSS Action to Damp Electromechanical Power Oscillations." International Transactions on Electrical Energy Systems 2022 (October 19, 2022): 1–24. http://dx.doi.org/10.1155/2022/8802143.

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Subject to increasing penetrations of renewable sources like solar photovoltaic (SPV) and wind energy sources, power system oscillation damping is going to be a critical challenge for system operators. This work proposes a new dual compensated governor (DCG) in coordination with a power system stabilizer (PSS) of a pumped storage hydro plant for power oscillation damping subject to intermittent SPV and wind penetration for a hydro, wind, and SPV integrated power system. The phase lag provided by the hydro governor is compensated by additional phase lead contributed by the dual compensation, wh

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29

Liu, Zheng Hua, Xiang Yu, and Yue Yang Hua. "Research on Robust Tracking Control Based Improved Fuzzy Disturbance Observer for Flight Simulator." Applied Mechanics and Materials 148-149 (December 2011): 1170–74. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.1170.

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Fuzzy disturbance observer, as an outstanding feedback controller, is an effective means to improve the accuracy and bandwidth of high precision angular tracking systems. This robust controller based on the fuzzy disturbance observer(FDO) is introduced in this paper, and the method is applied to the flight simulator system together with PD controller. Compared to the traditional method of lead and lag correction or DOB controller, this novel method based on FDO can inhibit high-frequency noise and compensate low-frequency interference better, such as frictions, and achieve better precision fin

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Arora, A., and M. Bhadu. "Improvement of an AC microgrid system’s stability by using a fuzzy logic-based PSS controller." Journal of Applied Research and Technology 22, no. 3 (2024): 362–79. http://dx.doi.org/10.22201/icat.24486736e.2024.22.3.2359.

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This research article presents the low-frequency oscillation damping control of an AC Microgrid. It is integrated with four distributed generation units in which two DGs are renewable energy source based solar PV and wind energy using DFIG and the other two DGs are conventional synchronous generator-based hydro and diesel generators. There is insufficient generation through renewable-based DG then a diesel generator is employed as an emergency unit to fulfil the requirements and maintain and control the deviation of the frequency of the system. The use of renewable-based DG affected the system

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Monjengue, David. "Design and simulation of model-free lag-lead controller for DC motor speed control." AFRREV STECH: An International Journal of Science and Technology 8, no. 1 (2019): 83. http://dx.doi.org/10.4314/stech.v8i1.7.

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Cordero, Raymundo, Matheus Caramalac, and Wisam Ali. "Generalized Predictive Control with Added Zeros and Poles in Its Augmented Model for Power Electronics Applications." Energies 17, no. 23 (2024): 6037. https://doi.org/10.3390/en17236037.

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Generalized predictive control (GPC) became one of the most popular and useful control strategies for academic and industry applications. An augmented model is applied to predict the future plant responses. This augmented model can be designed to embed the model of the plant reference, allowing its tracking by the controller according to the internal model principle (IMP). On the other hand, the performance of many controllers can be improved by adding zeros and poles in their structures (e.g., lead and lag compensators). However, according to the authors’ research, adding arbitrary poles or z

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Méndez Monroy, Paul Erick, Oscar de Jesus May Tzuc, Gerardo Peña-López, and Héctor Benítez-Pérez. "Circuit implementation and optimisation for current-mode control of DC-DC converters using the lead-lag control technique." Memorias del Congreso Nacional de Control Automático 7, no. 1 (2024): 196–201. https://doi.org/10.58571/cnca.amca.2024.034.

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In this paper, we present a proposed toolbox designed to calculate the tuning parameters of the current-mode lead-lag phase controller of a boost converter. This toolbox uses user-supplied specifications, such as electronic components, operating values, and step response parameters. Unlike heuristic or numerical optimization techniques, the tuning methodology offers a unique solution for tuning the controller parameters, which is simple to automate. In addition, the toolbox provides simulations and reports on controller tuning parameters. It alsopresents graphs of the step response, Bode diagr

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Cheng, Haoyu, Wenxing Fu, Chaoyang Dong, Qing Wang, and Yanze Hou. "Asynchronously finite-time H∞ control for morphing aircraft." Transactions of the Institute of Measurement and Control 40, no. 16 (2018): 4330–44. http://dx.doi.org/10.1177/0142331217746737.

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This paper investigates the problem of asynchronously finite-time H∞ control for morphing aircraft with controller uncertainties. Based on the switched linear parameter-varying model of morphing aircraft, the inherent packet dropouts of system are taken into consideration, which will lead to asynchronous switching. The asynchronous switching means that the switching of controllers will lag behind the switching of corresponding subsystem. Moreover, in order to overcome the undesirable influence of controller uncertainties and guarantee that the corresponding closed-loop system is finite-time bo

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Ye, Yongqiang, and Danwei Wang. "Zero Phase Learning Control Using Reversed Time Input Runs." Journal of Dynamic Systems, Measurement, and Control 127, no. 1 (2005): 133–39. http://dx.doi.org/10.1115/1.1849251.

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Phase lead is introduced to iterative learning control systems. The best phase lead is the one that can exactly compensate the phase lag of a system. A zero phase learning control using reversed time input runs is proposed based on the analysis in frequency domain utilizing a simple phase lead generation method. The plant itself or a nominal model is used to obtain the desired phase lead to ensure the monotonic convergence of tracking errors. The learning controller is robust to large inaccuracies of system models.

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Natal, Guilherme Sartori, Ahmed Chemori, and François Pierrot. "Nonlinear control of parallel manipulators for very high accelerations without velocity measurement: stability analysis and experiments on Par2 parallel manipulator." Robotica 34, no. 1 (2014): 43–70. http://dx.doi.org/10.1017/s0263574714001246.

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SUMMARYThis paper presents a comparison between control/state estimation methods applied on Par2 parallel manipulator for pick-and-place applications as well as a discussion about the mechanical vibrations issue that may become important when reaching very high accelerations. Real-time experiments were performed first to compare two controllers (a linear Proportional-Derivative controller and a nonlinear/adaptive Dual Mode (DM) controller) complied with the same High-Gain Observer (HGO) to estimate articular velocities, and second to compare three state observers (a Lead-lag-based, an Alpha-be

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Hossain, Alamgir, and Md Arifur Rahman. "Comparative Analysis among Single-Stage, Dual-Stage, and Triple-Stage Actuator Systems Applied to a Hard Disk Drive Servo System." Actuators 8, no. 3 (2019): 65. http://dx.doi.org/10.3390/act8030065.

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In modern times, the design and optimization of different actuator systems for controlling a high-precision position control system represent a popular interdisciplinary research area. Initially, only single-stage actuator systems were used to control most of the motion control applications. Currently, dual-stage actuation systems are widely applied to high-precision position control systems such as hard disk drive (HDD) servo systems. In the dual-stage system, a voice coil motor (VCM) actuator is used as the primary stage and a piezoelectric micro-actuator is applied as the secondary stage. H

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Whalley, R., and M. Ebrahimi. "Optimum control of a mechanical drive for a weapon platform." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 214, no. 10 (2000): 1235–45. http://dx.doi.org/10.1243/0954406001523236.

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Remote positioning drive systems for weapon platform slewing are investigated. A linear, multivariable system model is derived. Regulation strategies based on polynomial functions generated by the controller model are proposed. Conventional, frequency domain, relative stability techniques are employed in conjunction with phase lead-lag compensation. An optimum, minimum control effort solution is presented.

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So, GunBaek. "Design of an Intelligent NPID Controller Based on Genetic Algorithm for Disturbance Rejection in Single Integrating Process with Time Delay." Journal of Marine Science and Engineering 9, no. 1 (2020): 25. http://dx.doi.org/10.3390/jmse9010025.

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The integrating process with time delay (IPTD) is a fundamentally unstable open-loop system due to poles at the origin of the transfer function, and designing controllers with satisfactory control performance is very difficult because of the associated time delay, which is a nonlinear element. Therefore, this study focuses on the design of an intelligent proportional-integral-derivative (PID) controller to improve the regulatory response performance to disturbance in an IPTD, and addresses problems related to optimally tuning each parameter of the controller with a real coded genetic algorithm

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Shamsuzzoha, M., Seunghyun Lee, and Moonyong Lee. "Analytical design of PID controller cascaded with a lead-lag filter for time-delay processes." Korean Journal of Chemical Engineering 26, no. 3 (2009): 622–30. http://dx.doi.org/10.1007/s11814-009-0104-z.

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Shwetha, D.V., and Rao S. Paragond Lakshman. "Comparison of the different controlling techniques for buck converter in LED application." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 1 (2019): 256–64. https://doi.org/10.11591/ijpeds.v10.i1.pp256-264.

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This paper recounts the design and construction of various controlling techniques for buck converter. If the designed controller for any converter is not proper which leads to high overshoot and steady state error, and its dynamic response varies with changes in load, especially at high load current conditions. The lead-lag controller for the converter is desgined using classical control theory ,Bode Plot technique is used to examine the stability of the system.By using deravetive part of the PID controller on output signal instead of voltage error signal,this combination of control technique

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Chang, Lin, Yingjie Yu, and Tingrui Liu. "Aeroelastic Flutter and Sliding Mode Control of Wind Turbine Blade." Shock and Vibration 2020 (July 26, 2020): 1–8. http://dx.doi.org/10.1155/2020/8846529.

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Flutter is an important form of wind turbine blade failure. Based on damping analysis, synthetically considering aeroelastic vibration instability of the blade and using the parameter fitting method, the aeroelastic flutter model of the pretwisted blade is built, with the simulation and emulation of flap and lead-lag directions flutter of the 2D dangerous cross section realized. Through the construction of two controllers, modular combinatorial sliding mode controller and sliding mode controller based on LMI for parameterized design suppress blade aeroelastic flutter. The results show that a b

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Adachi, Yuto, Tomoaki Sato, and Kosin Chamnongthai. "Robust Digital Control for Interleaved PFC Boost Converters Using an Approximate 2DOF Current Controller." ECTI Transactions on Electrical Engineering, Electronics, and Communications 12, no. 1 (2013): 37–43. http://dx.doi.org/10.37936/ecti-eec.2014121.170812.

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 In recent years, improving power factor and reducing harmonics distortion of power supply used in electrical instruments are needed. In general, a current conduction mode boost converter is used for an active PFC (Power Factor Correction). Especially, an interleaved PFC boost converter is used to make a size compact, make an efficiency high and make a noise low. In this paper, the design method using an Approximate 2-degree-of-freedom (A2DOF) controller for a current control system and using a digital PI controller for a voltage control system is proposed. The digital PI controller is d

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Kaitwanidvilai, Somyot, and Manukid Parnichkun. "Genetic-Algorithm-Based Fixed-Structure Robust H∞Loop-Shaping Control of a Pneumatic Servosystem." Journal of Robotics and Mechatronics 16, no. 4 (2004): 362–73. http://dx.doi.org/10.20965/jrm.2004.p0362.

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The robust controller designed by conventional H∞optimal control is complicated, high-order, and difficult to implement practically. In industrial applications, structures such as lead-lag compensators and PID are widely used because their structure is simple, tuning parameters are fewer, and they are lower-order. Their disadvantages are that control parameters are difficult to tune for good performance and they lack robustness. To solve these problems, we propose an algorithma genetic-algorithm-based fixed-structure robust H∞loop-shaping controlfor designing the robust controller. Conventiona

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DV, Shwetha, and Lakshman Rao S. Paragond. "Comparison of the different controlling techniques for buck converter in LED application." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 1 (2019): 256. http://dx.doi.org/10.11591/ijpeds.v10.i1.pp256-264.

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<p>This paper recounts the design and construction of various controlling techniques for buck converter. If the designed controller for any converter is not proper which leads to high overshoot and steady state error, and its dynamic response varies with changes in load, especially at high load current conditions. The lead-lag controller for the converter is desgined using classical control theory ,Bode Plot technique is used to examine the stability of the system.By using deravetive part of the PID controller on output signal instead of voltage error signal,this combination of control t

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Gholizadeh-Roshanagh, Reza, Behrouz Mohammadzadeh, and Sajad Najafi-Ravadanegh. "Optimal Siting of UPFC on a Transmission Line with the Aim of Better Damping of Low Frequency Oscillations." ECTI Transactions on Electrical Engineering, Electronics, and Communications 14, no. 1 (2015): 56–64. http://dx.doi.org/10.37936/ecti-eec.2016141.171096.

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Low frequency oscillations may cause blackouts. Power system operators are increasingly facing instability problems due to the fact that the current system is much more loaded than before. Tuning the lead-lag controllers, as power system stabilizers (PSS) or FACTS-based supplementary stabilizers, is a well-established method to enhance the damping capability of power systems. In this paper we propose a technique to optimally locate the place of unified power flow controller (UPFC) on a transmission line considering low frequency oscillation (LFO) damping. The proposed method is applied to a si

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Rout, Bidyadhar, B. B. Pati, and S. Panda. "Modified SCA algorithm for SSSC damping Controller design in Power System." ECTI Transactions on Electrical Engineering, Electronics, and Communications 16, no. 1 (2017): 46–63. http://dx.doi.org/10.37936/ecti-eec.2018161.171326.

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This paper studies the improvement of transient stability of a single-Machine Infinite-Bus (SMIB) power system using Proportional Derivative (PD) type Static Synchronous Series Compensator (SSSC) and damping controllers. The design problem has been considered as optimisation problem and a modified version of recently proposed Sine Cosine Algorithm (SCA) has been employed for determining the optimal controller parameters. Proposed modified SCA (mSCA) algorithm is first tested using bench mark test functions and compared with SCA, and other heuristic evolutionary optimization algorithms like Gre

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Alkhafaji, Mohammed Ayad, and Yunus Uzun. "Design and Speed Control of SynRM using Cascade PID Controller with PSO Algorithm." International Journal of Renewable Energy Development 9, no. 1 (2020): 69–76. http://dx.doi.org/10.14710/ijred.9.1.69-76.

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In recent years, the variable speed motor drive is supported over a fixed speed motor drive as per essentialness safeguarding, speed or position control and improvement of transient response characteristics. The aim of any speed controller is to take main signal that represent the reference speed and to drive the framework at that reference speed. This paper exhibits the design, simulation and control of synchronous reluctance motor (SynRM). In addition, the motor speed is controlled by utilizing a conventional PID controller that has been used from the cascaded structure. The Particle Swarm O

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Pataro, Igor, Vergel Juan Diego Gil, Jose Luis Guzman, da Costa Marcus V. Americano, Lidia Roca, and Manuel Berenguel. "Improving Temperature Tracking Control for Solar Collector Fields Based on Reference Feedforward." IEEE Transactions on Control Systems Technology 31, no. 6 (2023): 2596–607. https://doi.org/10.1109/TCST.2023.3273398.

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Improving temperature reference tracking in solar collector fields is essential for enhancing the performance of solar thermal plants. Conventional control strategies are usually employed as static reference feedforwards (FFs) to reduce rise time when reference changes occur. Nevertheless, strict performance requirements may demand precise control behavior that classical reference FFs cannot deliver. Therefore, from theoretical analysis, this work proposes two different control strategies based on reference FF structure to accomplish a low rise time and avoid producing overshoot for temperatur

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Vanavil, B., A. V. N. L. Anusha, M. Perumalsamy, and A. Seshagiri Rao. "ENHANCED IMC-PID CONTROLLER DESIGN WITH LEAD-LAG FILTER FOR UNSTABLE AND INTEGRATING PROCESSES WITH TIME DELAY." Chemical Engineering Communications 201, no. 11 (2014): 1468–96. http://dx.doi.org/10.1080/00986445.2013.818983.

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