Relevant bibliographies by topics / Simplified sliding-mode observer

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Academic literature on the topic 'Simplified sliding-mode observer'

Author: Grafiati
Published: 3 June 2025
Last updated: 20 July 2025

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Journal articles on the topic "Simplified sliding-mode observer"

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Moura, Jairo Terra, Hakan Elmali, and Nejat Olgac. "Sliding Mode Control With Sliding Perturbation Observer." Journal of Dynamic Systems, Measurement, and Control 119, no. 4 (1997): 657–65. http://dx.doi.org/10.1115/1.2802375.

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This work introduces a new robust motion control algorithm using partial state feedback for a class of nonlinear systems in the presence of modelling uncertainties and external disturbances. The effects of these uncertainties are combined into a single quantity called perturbation. The major contribution of this work comes as the development and design of a robust observer for the state and the perturbation which is integrated into a Variable Structure Controller (VSC) structure. The proposed observer combines the procedures of Sliding Observers (Slotine et al, 1987) with the idea of Perturbat
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Xing, Hai Long, and Juan Li. "Flight Attitude Sliding Mode Control Design Based on the Compensation of Extended State Observer." Applied Mechanics and Materials 716-717 (December 2014): 1689–93. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.1689.

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This paper proposes the sliding mode control design based on extended state observer control approch for the flight attitude system.The extended state observer (ESO) with new structure is used to estimate the total disturbance and to compensate the control object so that the flight attitude system can be simplified. Then a sliding mode controller is used to stabilize this simplified system. Finally, a numerical simulation shows the effectiveness of the proposed control design method.
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Xu, Dezhi, Bin Jiang, Moshu Qian, and Jing Zhao. "Terminal Sliding Mode Control Using Adaptive Fuzzy-Neural Observer." Mathematical Problems in Engineering 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/958958.

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We propose a terminal sliding mode control (SMC) law based on adaptive fuzzy-neural observer for nonaffine nonlinear uncertain system. First, a novel nonaffine nonlinear approximation algorithm is proposed for observer and controller design. Then, an adaptive fuzzy-neural observer is introduced to identify the simplified model and resolve the problem of the unavailability of the state variables. Moreover, based on the information of the adaptive observer, the terminal SMC law is designed. The Lyapunov synthesis approach is used to guarantee a global uniform ultimate boundedness property of the
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Li, Zheng, Zihao Zhang, Jinsong Wang, Shaohua Wang, Xuetong Chen, and Hexu Sun. "ADRC Control System of PMLSM Based on Novel Non-Singular Terminal Sliding Mode Observer." Energies 15, no. 10 (2022): 3720. http://dx.doi.org/10.3390/en15103720.

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In an attempt to solve the problem of the many parameters of the traditional active disturbance rejection controller (ADRC) and to accurately estimate the mover position and speed required by a permanent magnet synchronous linear motor (PMLSM) system, an improved ADRC and a novel nonsingular fast terminal sliding mode observer (NFTSMO) are proposed. Firstly, the traditional first-order ADRC is simplified, the tracking differentiator (TD) module is removed, and the direct error is used to replace the nonlinear function in the extended state observer (ESO) and nonlinear state error feedback (NLS
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Han, Tong Yi, Zhong Hua Wang, and Fei Fei Han. "A New Sliding-Mode Observer for Sensorless Control of Permanent Magnet Synchronous Motor." Applied Mechanics and Materials 740 (March 2015): 317–20. http://dx.doi.org/10.4028/www.scientific.net/amm.740.317.

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In this paper, a new sliding-mode observer (SMO) for sensorless control of permanent magnet synchronous motor (PMSM) is proposed. The observer is built based on the study of the back electromotive force (EMF) equivalent control. The new SMO, which substitues a hyperbolic tangent function for the signum function with a variable boundary layer, can reduce the chattering phenomenon. In order to overcome the time delay, we cancelled the low-pass filter and phase compensation module. In this way, not only the structure of the observer is simplified, but also the estimation precision is improved. Th
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Liu, Wenfei, Bo Luo, Yong Yang, et al. "An Adaptive-Gain Sliding Mode Observer with Precise Compensation for Sensorless Control of PMSM." Energies 16, no. 24 (2023): 7968. http://dx.doi.org/10.3390/en16247968.

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In this paper, we propose a sensorless control strategy for permanent magnet synchronous motors (PMSMs) based on an adaptive-gain sliding mode observer (ASMO) with precise compensation. Firstly, the observer adopts a saturation function with a continuous boundary layer as the switching function to avoid the delay effect of the low-pass filter. In addition, the adaptive-gain method is designed based on a conventional sliding mode observer (SMO) with constant-gain and a saturation function. The adaptive-gain mathematical model is simplified by establishing a nonlinear feedback channel of an SMO.
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Chang, Yujia, Ran Li, Hao Sun, and Xiaoyu Zhang. "Estimation of SOC in Lithium-Iron-Phosphate Batteries Using an Adaptive Sliding Mode Observer with Simplified Hysteresis Model during Electric Vehicle Duty Cycles." Batteries 10, no. 5 (2024): 154. http://dx.doi.org/10.3390/batteries10050154.

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This paper develops a model for lithium-ion batteries under dynamic stress testing (DST) and federal urban driving schedule (FUDS) conditions that incorporates associated hysteresis characteristics of 18650-format lithium iron-phosphate batteries. Additionally, it introduces the adaptive sliding mode observer algorithm (ASMO) to achieve robust and swiftly accurate estimation of the state of charge (SOC) of lithium-iron-phosphate batteries during electric vehicle duty cycles. The established simplified hysteresis model in this paper significantly enhances the fitting accuracy during charging an
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Guo, Jianguo, Guoqing Wang, Zongyi Guo, and Jun Zhou. "New adaptive sliding mode control for a generic hypersonic vehicle." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 232, no. 7 (2017): 1295–303. http://dx.doi.org/10.1177/0954410017691317.

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The work presented here is concerned with the robust flight control problem for the longitudinal dynamics of a generic hypersonic vehicle under mismatched disturbances using adaptive sliding mode control with a nonlinear disturbance observer. A simplified control-oriented dynamic model is built with curve-fitted approximations. Based on the mismatched disturbance estimated by a nonlinear disturbance observer, a novel adaptive sliding mode control is proposed to stably track the velocity and altitude reference trajectory with back-stepping technique. The stability analysis of the closed-loop sy
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Xu, Jiqian, Lijin Fang, Huaizhen Wang, Qiankun Zhao, Yingcai Wan, and Yue Gao. "Observer-Based Finite-Time Prescribed Performance Sliding Mode Control of Dual-Motor Joints-Driven Robotic Manipulators with Uncertainties and Disturbances." Actuators 13, no. 9 (2024): 325. http://dx.doi.org/10.3390/act13090325.

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Considering system uncertainties (e.g., gear backlash, unmodeled dynamics, nonlinear friction and parameters perturbation) coupling disturbances weaken the motion performance of robotic systems, an observer-based finite-time prescribed performance sliding mode control with faster reaching law is proposed for robotic manipulators equipped with dual-motor joints (DMJs). In the case where the backlash information is completely unknown, the backlash is maximally eliminated using a simple but efficient dual-motor adaptive anti-backlash strategy. Thus, the design of position tracking controllers for
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Munje, Ravindra, Ranvir Desai, and Balasaheb Patre. "Observer-Based Integral Sliding Mode Controller for a Two-Wheeled Inverted Pendulum." ECTI Transactions on Electrical Engineering, Electronics, and Communications 21, no. 1 (2023): 248610. http://dx.doi.org/10.37936/ecti-eec.2023211.248610.

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The modeling and control of a two-wheeled inverted pendulum (TWIP) is gaining much interest due to the various advancements in hardware and computing technologies. A TWIP system has many advantages and applications. However, it still faces many challenges such as positioning, disturbance rejection, parameter uncertainties, etc. In this paper, a control scheme based on modern control techniques is presented to overcome these issues. Furthermore, an observer-based robust integral sliding mode controller (ISMC) is proposed for the nonlinear TWIP system. Firstly, a robust integral sliding mode con
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Book chapters on the topic "Simplified sliding-mode observer"

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Filippov, Alexander E., and Valentin L. Popov. "Study of Dynamics of Block-Media in the Framework of Minimalistic Numerical Models." In Springer Tracts in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_7.

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AbstractOne of the principal methods of preventing large earthquakes is stimulation of a large series of small events. The result is a transfer of the rapid tectonic dynamics in a creep mode. In this chapter, we discuss possibilities for such a transfer in the framework of simplified models of a subduction zone. The proposed model describes well the basic characteristic features of geo-medium behavior, in particular, statistics of earthquakes (Gutenberg Richter and Omori laws). Its analysis shows that local relatively low-energy impacts can switch block dynamics from stick–slip to creep mode. Thus, it is possible to change the statistics of seismic energy release by means of a series of local, periodic, and relatively low energy impacts. This means a principal possibility of “suppressing” strong earthquakes. Additionally, a modified version of the Burridge-Knopoff model including a simple model for state dependent friction force is derived and studied. The friction model describes a velocity weakening of friction between moving blocks and an increase of static friction during stick periods. It provides a simplified but qualitatively correct stability diagram for the transition from smooth sliding to a stick–slip behavior as observed in various tribological systems. Attractor properties of the model dynamic equations were studied under a broad range of parameters for one- and two-dimensional systems.
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Conference papers on the topic "Simplified sliding-mode observer"

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Oh, Kwang-Seok, and Tae-Jun Song. "Development of an Adaptive Prediction Time Horizon Based Model Predictive Steering Control Algorithm for Autonomous Vehicle With Disturbance Estimation." In ASME 2020 29th Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/isps2020-1956.

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Abstract This paper proposes an adaptive prediction time horizon based model predictive steering control algorithm for autonomous vehicle with disturbance estimation. The model predictive control (MPC) requires relatively accurate system model to compute the reasonable control inputs. There exists model uncertainty between system model and actual system. And the uncertainty can be increased in the prediction step of MPC and that can have an influence on control performance. In order to address the issue, the uncertainty has been estimated using the sliding mode observer and predicted in the de
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Zhu, Shenjin, Yuping He, and Jing Ren. "Design of Vehicle Active Suspension System Using Discrete-Time Sliding Mode Control With Parallel Genetic Algorithm." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63258.

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Sliding mode control (SMC) has gained a wide acceptance in recent years due to its simplicity and robustness. Discrete-time sliding mode control (DSMC) is advantageous over its continuous-time counterparts due to the development in digital signal processing. However, little attention has been paid to the application of DSMC to the design of active suspensions. In this research, DSMC-based active suspensions are designed using both the SMC theory and a genetic algorithm (GA) to improve the ride quality and handling performance with the full states observed by a discrete-time Kalman filter. The
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Tasbihgoo, Farzad, John P. Caffrey, and Sami F. Masri. "Nonlinear Finite Element Analysis of a Threaded Pipe Connection." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2293.

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For the past several years, USC has been involved in a major research project to study the seismic mitigation measures of nonstructural components in hospitals funded by the Federal Emergency Management Agency (FEMA). It was determined that piping was the one of the most critical components affecting the functionality of a hospital following an earthquake. Consequently, a substantial effort was spent on quantifying the behavior of typical piping components. During the loading of the threaded joint, it was common to hear a loud popping sound, followed by a small water leak. It was assumed that
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Pineau, Jean-Philippe, and Hervé Le Sourne. "Rapid Assessment of Ship Bottom Grounding Damage Considering Combined Surge and Heave Motion." In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-80209.

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Abstract In most of the available literature in grounding analysis, the ship is supposed to run aground over a rock following a prescribed horizontal trajectory. However, in situations where the vessel is navigating in presence of waves, its oscillating heave motion sometimes leads to multiple breaches in the bottom plating, as observed in some real grounding events [1]. Recent numerical studies [2] showed that resulting overall damage of the hull can extend up to 4 times the one obtained by assuming only a horizontal movement for the ship. Despite the increase in computing capacity of compute
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Wang, Yarlong. "A Simplified Finite Element Algorithm and Coupled THM Problems in Stress-Sensitive Naturally Fractured Reservoirs During Injection/Production." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0124.

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ABSTRACT: Stress concentration in vicinity of a wellbore may suppress fracture network and restrict the fluid flux in naturally fractured reservoirs (NFR). Primarily reducing the absolute permeability in the fracture network, such an impact may be reach a significant level when productivity may not increase after a drawdown increase. To cope with such a possible reversal incremental fluid flow, a critical drawdown is identified, for the case when the permeability reduction effect may surpass those inremental contributions of a drawdown increase to the flow flux. A different strategy by increas
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Reports on the topic "Simplified sliding-mode observer"

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Mojidra, Rushil, and Keri Ryan. Influence of Vertical Ground Motion on Bridges Isolated with Spherical Sliding Bearings. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2019. http://dx.doi.org/10.55461/rynq3624.

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The motivation for this project developed from testing of a full scale building isolated with triple friction pendulum bearings on the E-defense shake table in Japan. The test demonstrated experimentally that the vertical component of ground motion can amplify both the base shear and the story acceleration in the isolated building. Vertical shaking introduced high-frequency variation in the axial force of the bearings, and, consequently, a high-frequency component in the bearing lateral force, which excited higher structural modes in the building. Since vertical bridges are flexible in the ver
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