Results 11 to 20 of about 28,317 (304)

Active disturbance rejection control for a piezoelectric nano-positioning system: A U-model approach

open access: yesMeasurement + Control, 2021
Both speed and accuracy are key issues in nano-positioning. However, hysteresis existing in piezoelectric actuators severely reduces the positioning speed and accuracy.
Wei Wei   +3 more
doaj   +1 more source

Multi-Loop Model Reference Proportional Integral Derivative Controls: Design and Performance Evaluations

open access: yesAlgorithms, 2020
Due to unpredictable and fluctuating conditions in real-world control system applications, disturbance rejection is a substantial factor in robust control performance.
Baris Baykant Alagoz   +3 more
doaj   +1 more source

Motion Control of Autonomous Underwater Vehicle Based on Fractional Calculus Active Disturbance Rejection

open access: yesJournal of Marine Science and Engineering, 2021
An active disturbance rejection control based on fractional calculus is proposed to improve the motion performance and robustness of autonomous underwater vehicle (AUV).
Junhe Wan   +6 more
doaj   +1 more source

Development of Energy Saving and Rapid Temperature Control Technology for Intelligent Greenhouses

open access: yesIEEE Access, 2021
Modern greenhouses need a certain equipment to achieve the expected environmental temperature in a short time while saving energy. To achieve greenhouse temperature management and energy savings through intelligent control, a greenhouse mechanism model ...
Xiao Fei, Wu Xiao-Long, Xia Yong
doaj   +1 more source

Disturbance Rejection for Biped Humanoids [PDF]

open access: yesProceedings 2007 IEEE International Conference on Robotics and Automation, 2007
This paper proposes a simple passivity-based disturbance rejection scheme for force-controllable biped humanoids. The disturbance rejection by force control is useful not only for self-balance, but also for stable and safety physical interaction between human and humanoid robots.
Sang-Ho Hyon, Gordon Cheng
openaire   +1 more source

Embedded Model Control calls for disturbance modeling and rejection [PDF]

open access: yes, 2012
Robust control design is mainly devoted to guaranteeing the closed-loop stability of a model-based control law in the presence of parametric uncertainties.
Perez, C.   +5 more
core   +1 more source

Research of control algorithm of active disturbance rejection for permanent magnet linear synchronous motor

open access: yesGong-kuang zidonghua, 2014
For characteristics of permanent magnet linear synchronous motor that it is sensitive to external disturbance and parameter variation, an improved active disturbance rejection control algorithm was proposed based on traditional active disturbance ...
BAO Guangqing, DANG Chaoliang
doaj   +1 more source

An ABORT-like detector with improved mismatched signals rejection capabilities [PDF]

open access: yes, 2008
In this paper, we present a GLRT-based adaptive detection algorithm for extended targets with improved rejection capabilities of mismatched signals. We assume that a set of secondary data is available and that noise returns in primary and secondary data ...
Bandiera, Francesco   +3 more
core   +1 more source

Flight Control of Air-Breathing Hypersonic Vehicles Based on Disturbance Rejection Scheme

open access: yesIEEE Access, 2019
The flight dynamics of air-breathing hypersonic vehicles (AHVs) is highly nonlinear, multivariable coupling, and includes inertial uncertainties and external disturbances, which require strong robust and high accuracy controllers.
Dong Zhang, Lin Cao
doaj   +1 more source

Improved Linear Active Disturbance Rejection Control of Photovoltaic Grid Connected Inverter Based on Filter Function

open access: yesIEEE Access, 2021
Aiming at the problem of noise easily polluting the voltage measurement link of an inverter DC bus in photovoltaic grid, an improved linear active disturbance rejection control technology based on filter function is constructed by combining linear active
Bo Zhang, Xuesong Zhou, Youjie Ma
doaj   +1 more source

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