Results 51 to 60 of about 11,629 (228)

Failure of Glass Fiber‐Reinforced iPP in Static and Cyclic Loading Characterized by Factorizability of Time, Temperature, and Fiber Orientation

Journal of Applied Polymer Science, Volume 143, Issue 2, January 10, 2026.
By characterizing the deformation rate‐ and temperature‐dependent yield stress on an arbitrary reference fiber orientation and multiplying it with the anisotropic scaling function obtained from the yield stresses measured for various fiber orientations at a single temperature and deformation rate, it is possible to perform lifetime predictions for both
S. J. J. van den Broek, L. E. Govaert, T. A. P. Engels   +2 more
wiley   +1 more source

Disturbance observer–based nonlinear energy-saving control strategy for electro-hydraulic servo systems

Advances in Mechanical Engineering, 2017
Precise tracking performance and significant energy-saving effect are both important issues for electro-hydraulic servo system. Nevertheless, the electro-hydraulic servo system usually demonstrates inferior efficiency compared with other available ...
Weiping Wang, Bo Wang
doaj   +1 more source

Improving Aircraft Engines Prognostics and Health Management via Anticipated Model-Based Validation of Health Indicators [PDF]

, 2014
The aircraft engines manufacturing industry is subjected to many dependability constraints from certification authorities and economic background. In particular, the costs induced by unscheduled maintenance and delays and cancellations impose to ensure a
LAMOUREUX, Benjamin, MASSÉ, Jean-Rémi, MECHBAL, Nazih   +2 more
core   +6 more sources

A New Classification Method of Surrounding Rock Quality for Phyllite Tunnels Under the Condition of Layer Orientation Parallel to the Orientation of Tunnel Axis

Energy Science &Engineering, Volume 14, Issue 1, Page 47-60, January 2026.
Modified Mass Classification of Layered Rock Masses Based on the HC Method. ABSTRACT The HC method for hydropower is a commonly used rock mass quality classification technique in China's hydropower industry. Due to the anisotropic nature of the layered schist in the study area, and the varying angles between different tunnel layers and the tunnel axis,
Jing Yang, Jingyong Wang, Hao Luo, Ping Wang, Chengfeng Wu, Rui Zeng, Yupeng Lu, Hao Man, Feng Ji   +8 more
wiley   +1 more source

Active Variable Geometry Suspension robust control for improved vehicle ride comfort and road holding [PDF]

, 2015
This paper investigates the design of robust ℋ∞ control for road vehicle Series Active Variable Geometry Suspension (SAVGS). The objective is to improve ride comfort and road holding, while guaranteeing operation inside existing physical constraints. The
Arana, C, Cheng, C, Dini, D, Evangelou, SA   +3 more
core   +1 more source

Influence of Pore Water on Energy Dissipation of Concrete and Its Quantitative Calculation Method

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
Pore water is widely recognized as a critical factor that exerts a substantial impact on the mechanical strength of concrete materials. The present study centers on investigating the energy dissipation behavior of concrete under various conditions.
Xiaohong Chen, Pei Ge, Chengyi Ai, Wei Li, Yijun Wang, Junwen Zhou, Arnab Biswas   +6 more
wiley   +1 more source

Deterioration Mechanism of Fractured Coal–Rock Combined Body Under Coupled Chemical Corrosion and Time Effects

Geofluids, Volume 2026, Issue 1, 2026.
Addressing the stability issues of coal mine underground reservoir dams caused by long‐term erosion from highly acidic/alkaline mine water, this study investigates the mechanical property deterioration of fractured coal–rock combined bodies under the action of solutions with different pH values (3, 5, 7, and 9) and immersion times (7–35 days) through ...
Liya Yu, Guangbo Chen, Guanxian Kang, He Yongliang   +3 more
wiley   +1 more source

Displacement and Vibration Measurements with Interferometers: Benchmark Configurations, Performance, and R&D Opportunities

Advanced Photonics Research, Volume 6, Issue 12, December 2025.
Self‐mixing interferometry is a powerful technique that brings together the exceptional sensitivity of phase measurements with the unequalled simplicity of the self‐mix configuration based on modulation of the cavity field induced by the return from the target. According to the selected measurand, displacement or vibration, and to the analog of digital
Silvano Donati
wiley   +1 more source

Position Tracking Control of an Electro-Hydraulic Servo System Based on Nonlinear Disturbance Observers

IEEE Access
In order to ensure a precisely controlled electro hydraulic servo system, a sliding mode control algorithm based on nonlinear disturbance observers (NDOB-SMC) is developed in this study.
Qingqing Xu, Yaxing Lu, Mingxing Yang, Xing Zhang   +3 more
doaj   +1 more source

Research on the Control Method of Force Servo System of Liquid Hydrostatic Guide Oil Film Thickness Test Bench for Machine Tools

Shock and Vibration, 2022
The test bench was designed to solve the problem of measuring the oil film thickness of the liquid hydrostatic guideway of machine tools. And based on the fast overshoot of the classical PID control, introducing the self-antidisturbance control algorithm,
Xu Fang, Youmin Wang, Bo Zhu
doaj   +1 more source