Academic literature on the topic 'Modified feedback linearization'

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Journal articles on the topic "Modified feedback linearization"

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Shen, Zhe, and Takeshi Tsuchiya. "Cat-Inspired Gaits for a Tilt-Rotor—From Symmetrical to Asymmetrical." Robotics 11, no. 3 (2022): 60. http://dx.doi.org/10.3390/robotics11030060.

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Among the tilt-rotors (quadrotors) developed in recent decades, Ryll’s model with eight inputs (four magnitudes of thrusts and four tilting angles) attracted great attention. Typical feedback linearization maneuvers all of the eight inputs with a united control rule to stabilize this tilt-rotor. Instead of assigning the tilting angles by the control rule, the recent research predetermines the tilting angles and leaves the magnitudes of thrusts with the only control signals. These tilting angles are designed to mimic the cat-trot gait while avoiding the singular decoupling matrix in feedback li
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Fesharaki, Vahid Jafari, Farid Sheikholeslam, and Mohammad Reza Jahed Motlagh. "Maximum power point tracking with constraint feedback linearization controller and modified incremental conductance algorithm." Transactions of the Institute of Measurement and Control 40, no. 7 (2017): 2322–31. http://dx.doi.org/10.1177/0142331217701537.

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In this paper, a robust and constraint feedback linearization controller (FLC) with a modified incremental conductance (Inc.Cond) is proposed for maximum power point tracking (MPPT) in the photovoltaic (PV) systems and overall closed-loop internal stability is guaranteed. The proposed technique is independent with respect to load and is robust against disturbances in the load voltage. A boost chopper converter is utilized as an interface between the PV panel and load to control the system at the best operating point. A modified Inc.Cond method based on current orientation and without division
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Barzegar, Ali, Farzin Piltan, Mahmood Vosoogh, Abdol Majid Mirshekaran, and Alireza Siahbazi. "Design Serial Intelligent Modified Feedback Linearization like Controller with Application to Spherical Motor." International Journal of Information Technology and Computer Science 6, no. 5 (2014): 72–83. http://dx.doi.org/10.5815/ijitcs.2014.05.10.

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Lu, Zhangyu, and Xizheng Zhang. "Composite Non-Linear Control of Hybrid Energy-Storage System in Electric Vehicle." Energies 15, no. 4 (2022): 1567. http://dx.doi.org/10.3390/en15041567.

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The underlying circuit control is a key problem of the hybrid energy-storage system (HESS) in electric vehicles (EV). In this paper, a composite non-linear control strategy (CNC) is proposed for the accurate tracking current/voltage of the fully-active HESS by combining the exact feedback linearization method and the sliding mode variable structure control technology. Firstly, by analyzing the circuit characteristics of HESS, the affine non-linear model of fully-active HESS is derived. Then, a rule-based energy management strategy (EMS) is designed to generate the reference current value. Fina
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Jovanović, Radiša, and Mitra Vesović. "Control of the servo motor using feedback linearization and artificial gorilla troops optimizer." Nonlinear Analysis: Modelling and Control 30 (March 10, 2025): 1–16. https://doi.org/10.15388/namc.2025.30.39328.

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This paper establishes a nonlinear optimization strategy for position control of a direct current motor. When experimental evidence showed that the linear model does not sufficiently represent the system, the model is modified from linear to nonlinear, using friction-induced nonlinearity. In the course of the research, an analysis of the nonlinear feedback linearizing controller and the up to date gorilla troops optimization algorithm are carried out. The proposed algorithm is juxtapose with four others metaheuristic optimizations. Furthermore, performances with and without different types of
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Veysi, Mohammad, Mohammad Reza Soltanpour, and Mohammad Hassan Khooban. "A novel self-adaptive modified bat fuzzy sliding mode control of robot manipulator in presence of uncertainties in task space." Robotica 33, no. 10 (2014): 2045–64. http://dx.doi.org/10.1017/s0263574714001258.

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SUMMARYIn this paper, an optimal fuzzy sliding mode controller has been designed for controlling the end-effector position in the task space. In the proposed control, feedback linearization method, sliding mode control, first-order fuzzy TSK system and optimization algorithm are utilized. In the proposed controller, a novel heuristic algorithm namely self-adaptive modified bat algorithm (SAMBA) is employed. To achieve an optimal performance, the parameters of the proposed controller as well as the input membership functions are optimized by SAMBA simultaneously. In this method, the bounds of s
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Wang, Lin Xiang, Rong Liu, and Roderick Melnik. "Feedback Linearization of Hysteretic Thermoelastic Dynamics of Shape Memory Alloy Actuators with Phase Transformations." Advanced Materials Research 47-50 (June 2008): 69–72. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.69.

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In the current paper, a macroscopic differential model for the hysteretic dynamics in shape memory alloy actuators is constructed by using the modified Landau theory of the first order phase transformation. An intrinsic thermo-mechanical coupling is achieved by constructing the free energy as a function depends on both mechanical deformation and the material temperature. Both shape memory and pseudoelastic effects are modeled. The hysteretic dynamics is linearized by introducing another hysteresis loop via nonlinear feedback strategy, which cancels the original one.
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Kumar, Atal Anil, Jean-François Antoine, and Gabriel Abba. "Control of an Underactuated 4 Cable-Driven Parallel Robot using Modified Input-Output Feedback Linearization." IFAC-PapersOnLine 53, no. 2 (2020): 8777–82. http://dx.doi.org/10.1016/j.ifacol.2020.12.1380.

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Brahmi, Brahim, Ibrahim El Bojairami, Tanvir Ahmed, et al. "A Novel Modified Super-Twisting Control Augmented Feedback Linearization for Wearable Robotic Systems Using Time Delay Estimation." Micromachines 12, no. 6 (2021): 597. http://dx.doi.org/10.3390/mi12060597.

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The research presents a novel controller designed for robotic systems subject to nonlinear uncertain dynamics and external disturbances. The control scheme is based on the modified super-twisting method, input/output feedback linearization, and time delay approach. In addition, to minimize the chattering phenomenon and ensure fast convergence to the selected sliding surface, a new reaching law has been integrated with the control law. The control scheme aims to provide high performance and enhanced accuracy via limiting the effects brought by the presence of uncertain dynamics. Stability analy
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ROBBIO, FEDERICO I., DIEGO M. ALONSO, and JORGE L. MOIOLA. "DETECTION OF LIMIT CYCLE BIFURCATIONS USING HARMONIC BALANCE METHODS." International Journal of Bifurcation and Chaos 14, no. 10 (2004): 3647–54. http://dx.doi.org/10.1142/s0218127404011491.

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In this paper, bifurcations of limit cycles close to certain singularities of the vector fields are explored using an algorithm based on the harmonic balance method, the theory of nonlinear feedback systems and the monodromy matrix. Period-doubling, pitchfork and Neimark–Sacker bifurcations of cycles are detected close to a Gavrilov–Guckenheimer singularity in two modified Rössler systems. This special singularity has a zero eigenvalue and a pair of pure imaginary eigenvalues in the linearization of the flow around its equilibrium. The presented results suggest that the proposed technique can
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Dissertations / Theses on the topic "Modified feedback linearization"

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Kumar, Atal Anil. "Conception et commande d'un robot à câbles pour la manipulation dextre de pièces sur des chaînes de production." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0269.

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L’objectif de cette thèse est de concevoir et de contrôler un système de Robot Parallèle à Câbles (RPC) à quatre câbles pour la manipulation dextre de pièces sur des chaînes de production. Pour une ligne de fabrication déjà installée, l’espace de travail est souvent limité et l’ajout d’un nouveau robot-sériel sur le sol de l’atelier est parfois difficile. L’utilisation du plafond pour fixer une machine lourde n’est pas toujours possible car il pourrait être nécessaire de renforcer la structure. Le RPC est un moyen de réaliser la tâche avec une faible modification de l’atelier existant. La nouv
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Conference papers on the topic "Modified feedback linearization"

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Mishra, Rabi Narayan, Kanungo Barada Mohanty, Kishor Thakre, and Ashwini Kumar Nayak. "Modelling and design of a modified neuro-fuzzy control-based IM drive via feedback linearization." In 2016 IEEE 7th Power India International Conference (PIICON). IEEE, 2016. http://dx.doi.org/10.1109/poweri.2016.8077385.

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KESKES, Salma, Nouha Bouchiba, Souhir SALLEM, Larbi CHRIFI-ALAOUI, and M. B. A. KAMMOUN. "Modified direct feedback linearization Excitation Controller for transient stability and voltage regulation of SMIB power system." In 2018 7th International Conference on Systems and Control (ICSC). IEEE, 2018. http://dx.doi.org/10.1109/icosc.2018.8587838.

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Han, Jeongheon, and Robert E. Skelton. "An LMI Optimization Approach to the Design of Structured Linear Controllers Using a Linearization Algorithm." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43419.

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This paper presents a new algorithm for the design of linear controllers with special constraints imposed on the control gain matrix. This so called SLC (Structured Linear Control) problem can be formulated with linear matrix inequalities (LMI’s) with a nonconvex equality constraint. This class of prolems includes fixed order output feedback control, multi-objective controller design, decentralized controller design, joint plant and controller design, and other interesting control problems. Our approach includes two main contributions. One is that many design specifications such as H∞ performa
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Zhang, Chengyong, and Yaolong Chen. "High-Precision Tracking Control of Machine Tool Feed Drives Based on ADRC." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66000.

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In this paper, the active-disturbance-rejection control (ADRC) is applied to realize the high-precision tracking control of CNC machine tool feed drives. First, according to the number of the feedback channel, the feed systems are divided into two types: signal-feedback system, e.g., linear motor and rotary table, and double-feedback system, e.g., ball screw feed drive with a load/table position feedback. Then, the appropriate controller is designed to ensure the closed-loop control performance of each type of system based on the idea of ADRC. In these control frameworks, the extended state ob
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Slightam, Jonathon E., and Mark L. Nagurka. "Robust Control Law for Pneumatic Artificial Muscles." In ASME/BATH 2017 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fpmc2017-4225.

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This paper presents a modified integral sliding surface, sliding mode control law for pneumatic artificial muscles. The cutoff frequency tuning parameter λ is squared to increase the gradient from absement (integral of position) to position and higher derivatives to reflect the more dominant terms in the actuator dynamics. The sliding mode controller is coupled with proportional and integral action compensation. The control system is sufficiently robust so that use of an observer and input-output feedback linearization are not required. Closed-loop control experiments are compared with traditi
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Leonhardt, Patrick A., and Tong Zhou. "Modeling and Control of a Non-Linear, Flexible, Physical Therapy Dynamometer." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0403.

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Abstract This paper investigates the modeling and control of a physical therapy dynamometer with a flexible shaft and a non-linear damping function. Because of the disparate sizes of patients, the system loading varies. Computer models of the system were created by entering bond graphs into the Computer Aided Modeling Program - Graphical (CAMPG). These models were modified to include the non-linear element and were simulated numerically using the Advanced Continuous Simulation Language (ACSL). Two families of controllers using the feedback linearization technique were formulated, one that trea
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Moradi, Hamed, Kambiz Haji Hajikolaei, and Firooz Bakhtiari-Nejad. "Regulator and Tracking System Design for a Single-Rod Hydraulic Actuator via Pole-Placement Approach." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62852.

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Due to the nonlinear dynamics of hydraulic systems, applying high performance closed-loop controllers is complicated. In this paper, a single-rod hydraulic actuator is considered in which load displacement (for positioning purposes) is controlled via manipulation of the input voltage to the servo-valve. Dynamics of the servo-valve is described by first and second order transfer functions (named as Models 1 and 2). Through linearization of the system around its operating points, dynamics of the hydraulic actuator is represented in the state space. A full-order observer is designed for on-line s
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