Results 111 to 120 of about 965,683 (350)

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

Engineering 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, Abdul Rashid Husain, Zaharuddin Mohamed, Mohd Badril Nor Shah   +3 more
doaj   +1 more source

3D Printed Multimaterial Microfluidic Transistors

Advanced 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, Wei Huang, Kaustav A. Gopinathan, Ivan Stepanov, Lisa Horowitz, Ting‐Yuan Tu, Mehmet Toner, Albert Folch   +7 more
wiley   +1 more source

4D Printing of Multimaterial Flexible Magneto‐Active Polymers

Advanced Materials Technologies, EarlyView.
Magneto‐active polymers are 3D‐printed with tunable mechanical and magnetic properties using both superparamagnetic and hard ferromagnetic fillers. Nano‐CT imaging reveals the spatial distribution of particles within the matrix. Programmable magnetization patterns and soft, flexible architectures enable responsive actuation, offering exciting ...
Naji Tarabay, Mahtab Shakibmanesh, Javier Alonso López Medina, Hongyi Guan, Alan Mitchell, Ananya Renuka Balakrishna, Camilo Velez   +6 more
wiley   +1 more source

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

IEEE 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

Alexandria 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

Single-stage electrohydraulic servosystem for actuating on airflow valve with frequencies to 500 hertz [PDF]

An airflow valve and its electrohydraulic actuation servosystem are described. The servosystem uses a high-power, single-stage servovalve to obtain a dynamic response beyond that of systems designed with conventional two-stage servovalves.
Lorenzo, C. F., Mehmed, O., Webb, J. A., Jr.   +2 more
core   +1 more source

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

Advanced 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, Siddharth Kurup, Rebecca Banner, Calib Lanier, Eric Vogel, Michael Filler, Kira Barton   +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

Actuators
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

Flexible Chemiresistive Chitosan‐Glycerol Sensors on Laser‐Induced Graphene Electrodes for Room‐Temperature Ammonia Detection

Advanced Materials Technologies, EarlyView.
Flexible Chitosan‐glycerol sensor integrated with porous laser‐induced graphene (LIG) electrodes enable room‐temperature chemiresistive detection of ammonia (NH3) and proof‐of‐concept detection of fish spoilage. ABSTRACT We report a metal‐free sensor platform combining laser induced graphene (LIG) electrodes with drop‐deposited, glycerol‐plasticized ...
Mintesinot Tamiru Mengistu, Richard Murray, Cara‐Lena Nies, Cathal Larrigy, Martina Piletti, Jahidul Islam, Daniela Iacopino, Eileen Hurley, Michael Nolan, Aidan J. Quinn   +9 more
wiley   +1 more source

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

, 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