Adaptive disturbance observer‐based control for stochastic systems with multiple heterogeneous disturbances
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DOI: 10.1002/rnc.4683
Abstract: Antidisturbance control problem is discussed for stochastic systems with multiple heterogeneous disturbances, which include the white noise and the disturbance with unknown frequencies and amplitudes. An adaptive disturbance observer is designed to estimate the disturbance… read more here.
Keywords: heterogeneous disturbances; adaptive disturbance; multiple heterogeneous; disturbance ... See more keywords
Terminal observer and disturbance observer for the class of fractional-order chaotic systems
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DOI: 10.1007/s00500-019-04418-0
Abstract: In this paper, a terminal fractional-order observer and a terminal disturbance observer is proposed to estimate internal states and external disturbances of the class of fractional-order chaotic systems. The estimation of states within fixed time… read more here.
Keywords: order; fractional order; class fractional; disturbance observer ... See more keywords
Adaptive composite neural network disturbance observer-based dynamic surface control for electrically driven robotic manipulators
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DOI: 10.1007/s00521-020-05391-8
Abstract: This paper presents an adaptive backstepping control scheme for electrically driven robotic manipulator (EDRM) system with uncertainties and external disturbances by using neural network disturbance observer (NNDO) and dynamic surface control (DSC) design technique. NNDO is employed to… read more here.
Keywords: network disturbance; control; disturbance observer; driven robotic ... See more keywords
Guaranteeing almost fault-free tracking performance from transient to steady-state: a disturbance observer approach
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DOI: 10.1007/s11432-017-9435-3
Abstract: In this paper, we propose an output-feedback fault-tolerant controller (FTC) for a class of uncertain multi-input single-output systems under float and lock-in-place actuator faults. Of particular interest is to recover a fault-free tracking performance of… read more here.
Keywords: tracking performance; disturbance observer; free tracking; fault free ... See more keywords
DC Motor Current Control Algorithm Using Proportional-Integral LQT with Disturbance Observer
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DOI: 10.1007/s12239-018-0093-1
Abstract: This paper proposes a DC motor current control algorithm using a proportional-integral linear quadratic tracking (LQT) controller with a disturbance observer for the electronic stability control (ESC) brake system. Previously researched algorithms related to current… read more here.
Keywords: proportional integral; algorithm; control; disturbance observer ... See more keywords
Diesel Engine Airpath Controller Via Data Driven Disturbance Observer
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Automotive Technology"
DOI: 10.1007/s12239-020-0092-x
Abstract: This study presents a novel data driven disturbance observer design method and its integration with a recursive controller developed for diesel engine airpath control problem. Mass Air Flow (MAF) and Manifold Absolute Pressure (MAP) are… read more here.
Keywords: engine; disturbance observer; data driven; diesel engine ... See more keywords
Attitude stabilization of flexible spacecrafts via extended disturbance observer based controller
Sign Up to like & getrecommendations! Published in 2017 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2017.01.004
Abstract: Abstract To achieve the high-precision attitude stabilization for the flexible spacecraft in the presence of space environmental disturbances, unmodeled dynamics, and the disturbances caused by the elastic vibration of flexible appendages, an extended disturbance observer… read more here.
Keywords: attitude stabilization; disturbance; disturbance observer; controller ... See more keywords
Integrated strapdown missile guidance and control based on neural network disturbance observer
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.10.025
Abstract: Abstract This paper investigates one integrated guidance and control (IGC) method for missiles with strapdown seeker. The IGC model considering the field-of-view (FOV) constraint is built by employing the strapdown decoupling method, based on which… read more here.
Keywords: neural network; control; guidance control; network disturbance ... See more keywords
DC bus voltage stability improvement using disturbance observer feedforward control
Sign Up to like & getrecommendations! Published in 2018 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2018.03.018
Abstract: The constant power load (CPL) property of a load converter with tight control results in DC bus voltage oscillations in interconnected power converter systems. In this paper, a disturbance observer (DOB) feedforward compensation scheme is… read more here.
Keywords: bus voltage; control; disturbance observer; converter ... See more keywords
Improved disturbance observer based control for airborne photoelectric stabilized platform
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DOI: 10.1016/j.ijleo.2019.05.041
Abstract: Abstract The aim of this work was to solve the problem that the stabilization accuracy of photoelectric stabilized platforms is affected by disturbance. An improved disturbance observer was established to observe the disturbance. By using… read more here.
Keywords: control; improved disturbance; photoelectric stabilized; disturbance ... See more keywords
Fixed-time disturbance observer based fixed-time back-stepping control for an air-breathing hypersonic vehicle.
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DOI: 10.1016/j.isatra.2018.12.013
Abstract: This paper proposes a fixed-time backstepping control scheme based on fixed-time disturbance observer for flexible air-breathing hypersonic vehicles. The backstepping control is combined with the fixed-time control technique to achieve fixed-time convergence. A fixed-time super-twisting… read more here.
Keywords: control; disturbance observer; time; fixed time ... See more keywords