Results 81 to 90 of about 51,843 (258)

An Adaptive Human Pilot Model With Reaction Time Delay for Enhanced Adaptive Control in Piloted Systems

International Journal of Adaptive Control and Signal Processing, EarlyView.
This work introduces an adaptive human pilot model that captures pilot time‐delay effects in adaptive control systems. The model enables the prediction of pilot–controller interactions, facilitating safer integration and improved design of adaptive controllers for piloted applications.
Abdullah Habboush, Yildiray Yildiz
wiley   +1 more source

Effect of picking rollers on corn stover attitude

Journal of Agricultural Engineering
In order to increase the precision rate of ear picking and decrease the rate of cob damage, this paper investigates and evaluates the impact of ear picking rollers on corn stalk attitude.
Chunran Zhu, Qiqiang Li, Bohong Chai, Ruzhen Xiao, Yuchen Xiao, Lihua Zhang   +5 more
doaj   +1 more source

Bistable Mechanisms 3D Printing for Mechanically Programmable Vibration Control

Advanced Engineering Materials, EarlyView.
This work introduces a 3D‐printed bistable mechanism integrated into tuned mass dampers (TMDs) for mechanically adaptive passive vibration suppression. Through optimized geometry, the bistable design provides adaptable vibration reduction across a broad range of scenarios, achieving effective vibration mitigation without complex controls or external ...
Ali Zolfagharian, Frédéric Demoly, Mohammad Lakhi, Bernard Rolfe, Mahdi Bodaghi   +4 more
wiley   +1 more source

Monomorphic ventricular tachycardia induced by tilt table testing in a patient with syncope and normal heart

Journal of Arrhythmia, 2021
Toshiyuki Furukawa, Yui Nakayama, Ikutaro Nakajima, Atsushi Tokumau, Osamu Tanaka, Tomoo Harada, Yoshihiro J.Akashi   +6 more
doaj   +1 more source

Why is the Tilt Table Test Still Useful to Define who Should or Should Not Get A Pacemaker with Vasovagal Syncope? [PDF]

J Atr Fibrillation, 2021
Aksu T, Yalin K.
europepmc   +1 more source

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

Advanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat, Mojtaba Karamimoghadam, Mohammadreza Lalegani Dezaki, Ali Zolfagharian, Giuseppe Casalino, Antonio Mateo, Mahdi Bodaghi   +6 more
wiley   +1 more source

Head-Up Tilt Table Testing with Sublingual Isosorbide Dinitrate in the Diagnosis of Vasovagal Syncope in Children

Eurasian Journal of Medicine, 2019
Objective: To evaluate the effect of sublingual administration of ISDN on the results of the head-up tilt table test (HUTT) in children and adolescents with vasovagal syncope. Materials and Methods: The study group consisted of 30 children, each
Mehmet Karacan, Hasim Olgun, Naci Ceviz
doaj  

Evaluation of the Potential of Laser Shock Peening Compared with Cold Expansion for Improving Fatigue Resistance of Riveted Lap Joints of Aerospace Grade 7175 Al Alloy

Advanced Engineering Materials, EarlyView.
This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar, David Osman Busse, Maximilian Sprengel, Domenico Furfari, Marc‐André Nielsen, Guilherme Abreu Faria, Jérémy Epp   +6 more
wiley   +1 more source

Postural tachycardia syndrome: current perspectives

Vascular Health and Risk Management, 2017
Rachel Wells,1,2 Andrew J Spurrier,3 Dominik Linz,1 Celine Gallagher,1 Rajiv Mahajan,1 Prashanthan Sanders,1 Amanda Page,4 Dennis H Lau1 1Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute, University of Adelaide ...
Wells R, Spurrier AJ, Linz D, Gallagher C, Mahajan R, Sanders P, Page A, Lau DH   +7 more
doaj  

Postural Tachycardia Syndrome and Vasovagal Syncope: A Hidden Case of Obstructive Cardiomyopathy without Severe Septal Hypertrophy

Case Reports in Cardiology, 2018
A 36-year-old female with symptoms of orthostatic intolerance and syncope was diagnosed with vasovagal syncope on a tilt table test and with postural tachycardia syndrome (POTS) after a repeat tilt table test.
Kenneth A. Mayuga, Natalie Ho, Robert W. Shields, Paul Cremer, L. Leonardo Rodriguez   +4 more
doaj   +1 more source