Results 111 to 120 of about 38,638 (306)

Fault Tolerant Attitude Control for Flexible Satellite with Uncertainties and Actuator Saturation

open access: yesInternational Journal of Advanced Robotic Systems, 2013
A novel fault tolerant control scheme, using model-based control and time delay control theories, is proposed for flexible satellites with uncertainties and actuator saturation and the stability condition of the scheme is analysed.
Qiang Meng   +5 more
doaj   +1 more source

Steering control of a steer-by-wire system vehicle with time delay and actuator saturation via anti-windup controller

open access: yesEngineering and Applied Science Research, 2019
This paper presents a design of an anti-windup controller that aims to improve vehicle handling and stability of a Steer-by-Wire (SbW) system with consideration of time delays and actuator saturation.
Muhammad Iqbal Zakaria   +3 more
doaj   +1 more source

Ferrofluidic solenoid [PDF]

open access: yes, 1973
An electromechanical actuator for producing mechanical force and/or motion in response to electrical signals is disclosed. The actuator includes a ferromagnetic fluid and a coil which are contained within an elastomeric capsule.
Sabelman, E. E.
core   +1 more source

Hybrid Magnetoactive Soft Elastomers: Material Development Toward Application in Diaphragm Pumps

open access: yesAdvanced Materials Technologies, EarlyView.
Hybrid magnetoactive soft elastomeric membranes are developed by combining two different types of magnetic particles. The membranes exhibit distinct mechanical, magnetic and thermal properties owing to the unique characteristics of the two magnetic particles.
Somashree Mondal   +4 more
wiley   +1 more source

Diagnosis of a unit-wide disturbance caused by saturation in a manipulated variable [PDF]

open access: yes, 2004
It is well known that faulty control valves with friction in the moving parts lead to limit cycle oscillations which can propagate to other parts of the plant. However, a control loop with healthy valve can also undergo oscillatory behavior.
Matsuo, T., Tadakuma, I., Thornhill, N.
core  

3D Printed Multimaterial Microfluidic Transistors

open access: yesAdvanced Materials Technologies, EarlyView.
We introduce a biocompatible, high resolution photopolymer resin that closely mimics the Young's Modulus (elasticity) and reversible stretchability (no hysteresis) of poly(dimethylsiloxane) (PDMS), enabling the fabrication of microfluidic transistors (i.e., microvalves capable of proportional amplification) by multimaterial stereolithography (mSLA ...
Alireza Ahmadianyazdi   +7 more
wiley   +1 more source

Event-Triggered Synchronization Control of Uncertain Neutral-Type Neural Networks With Time-Varying Delays and Actuator Saturation

open access: yesIEEE Access
A class of event-triggered synchronization control of uncertain neutral-type neural networks (NTNNs) with time-varying delays and actuator saturation is discussed in this paper.
Chunmei Duan, Mingyang Tian
doaj   +1 more source

Delayed system control in presence of actuator saturation

open access: yesAlexandria Engineering Journal, 2014
The paper is introducing a new design method for systems’ controllers with input delay and actuator saturations and focuses on how to force the system output to track a reference input not necessarily saturation-compatible. We propose a new norm based on
A. Mahjoub, F. Giri, N. Derbel
doaj   +1 more source

Characterization and Design Framework for Micro‐ and Nanoscale Printed Metal Interconnects in Hybrid Electronic Systems

open access: yesAdvanced Materials Technologies, EarlyView.
This work establishes a framework for high‐resolution printed interconnects by coupling e‐jet printing control, multilayer deposition, and sintering optimization. Ink properties and printing speed influence particle stacking, while different sintering atmospheres drive distinct microstructural evolution.
Kaifan Yue   +6 more
wiley   +1 more source

Neural Network Disturbance Observer-Based Adaptive Fault-Tolerant Attitude Tracking Control for UAVs with Actuator Faults, Input Saturation, and External Disturbances

open access: yesActuators
A dual-loop fault-tolerant control scheme is investigated for UAV attitude control systems subject to actuator faults, input saturation, and external disturbances in this paper.
Yan Zhou, Ye Liu, Jiaze Li, Huiying Liu
doaj   +1 more source

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