Results 31 to 40 of about 419,425 (252)

Anti-windup active disturbance rejection control of tiltable-rotors fully-actuated hexarotor

open access: yesInternational Journal of Advanced Robotic Systems
Tiltable-rotors fully-actuated unmanned aerial vehicles achieve full control by dynamically adjusting thrust vector direction through tilting mechanisms.
Xuesong Xu   +3 more
doaj   +1 more source

Fast Fixed-Time-Based Prescribed Performance Fault-Tolerant Control of Quadrotor UAV Systems

open access: yesDrones
With the gradual development of science and technology, increasingly complex application environments impose higher requirements on the control performance of quadrotor unmanned aerial vehicles (UAVs).
Zhuang Liu   +3 more
doaj   +1 more source

Adaptive fault tolerant control for hypersonic vehicle with external disturbance

open access: yesInternational Journal of Advanced Robotic Systems, 2017
In this article, an adaptive fault tolerant control strategy is proposed to solve the trajectory tracking problem of a generic hypersonic vehicle subjected to actuator fault, external disturbance, and input saturation.
Bing Huang, Aijun Li, Bin Xu
doaj   +1 more source

Superlubricity and Corrosion Inhibition Properties of Solvate Ionic Liquids in Hybrid Carbon Fiber Reinforced Plastic–Steel Interfaces

open access: yesAdvanced Engineering Materials, EarlyView.
Solvate ionic liquids lubrication reduced the coefficient of friction by ∼60% compared to dry sliding, reaching steady‐state values as low as 0.04–0.05. Corrosion weight‐loss measurements in 1 M HCl further demonstrated significant inhibition behavior, with only 100 ppm of [Li(G3)][TFSI] (∼68.5 μL/L) reducing corrosion‐product weight loss by 63 ...
Sameh Dabees   +6 more
wiley   +1 more source

Stabilization of motion control system with rate limiter using linear reference model

open access: yesNihon Kikai Gakkai ronbunshu, 2015
Actuator rate saturation has characteristics to increase the phase lag of the system and it can be one of the factors that destabilize the motion control system for a higher control response.
Takehiro ADACHI, Ichiro AWAYA
doaj   +1 more source

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

Fault Tolerant Control for Uncertain Networked Control Systems With Induced Delays and Actuator Saturation

open access: yesIEEE Access, 2016
The fault tolerant control problem is investigated for a class of uncertain networked control systems (NCSs) subject to actuator faults and actuator saturation in this paper.
Luo Zhang   +3 more
doaj   +1 more source

Distributed Adaptive Sliding Mode Control for Vehicle Platoon with Uncertain Driving Resistance and Actuator Saturation

open access: yesComplexity, 2020
Vehicle platoon has been demonstrated to be a promising driving pattern for its prominent advantages in enhancing traffic safety, improving highway capacity, and increasing fuel economy as well as reducing carbon emissions. However, the uncertain driving
Jia-cheng Song, Yong-feng Ju
doaj   +1 more source

Rotary 3D Printing With Integrated Electroplating

open access: yesAdvanced Engineering Materials, EarlyView.
A rotary material extrusion platform integrates localized copper electroplating with printing and encapsulation to fabricate cylindrical polymer–metal structures containing fully embedded, low‐resistance conductive pathways that enable internal Joule heating and thermally activated shape‐memory responses.
Antonio Zagaria   +5 more
wiley   +1 more source

Sliding mode control design of a ship steering autopilot with input saturation

open access: yesInternational Journal of Advanced Robotic Systems, 2017
In this article, a sliding mode control scheme for the autopilot system of a ship is presented, which also incorporates actuator saturation. Under the designed controller, the actuator doesn’t enter its saturation mode.
Muhammad Ejaz, Mou Chen
doaj   +1 more source

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