Results 91 to 100 of about 196,790 (293)
Deep Underground Science and Engineering, EarlyView.The permeability variation of rocks during complete stress–strain processes was investigated. A mathematical model describing the influence of rock damage on permeability was constructed. The permeability–stress relationship between soft rock and hard rock was proposed.
Zhen Huang +6 more
wiley +1 more source
International Journal of Intelligent SystemsIn traditional state feedback control, the difficulty in determining the coefficient matrix is a significant factor that prevents achieving optimal control.
Jinhua Zhang, Lifeng Ding, Shangbin Long
semanticscholar +1 more source
Dynamic response at the terminus of oblique intersecting joints subjected to stress waves
Deep Underground Science and Engineering, EarlyView.This study derives the propagation equation for stress waves impinging upon nonlinear oblique intersecting joints. It analyzes the dynamic response at the terminus of nonlinear oblique intersecting joints subjected to stress waves. Abstract To investigate the dynamic response at the terminus of oblique intersecting joints subjected to stress waves, a ...
Gang Hu +4 more
wiley +1 more source
Modal Space Feedforward Control for Electro-Hydraulic Parallel Mechanism
IEEE Access, 2019 As a parallel mechanism with six-degree-of-freedom, an electro-hydraulic shaking table is endowed with strong coupling characteristics among different degree-of-freedoms. When the electro-hydraulic shaking table moves to one direction, there will be some
Gang Shen +4 more
doaj +1 more source
Electromechanical Simulation of Actively Controlled Rotordynamic Systems with Piezoelectric Actuators [PDF]
, 1991 Theories and tests for incorporating piezoelectric pushers as actuator devices for active vibration control are discussed. It started from a simple model with the assumption of ideal pusher characteristics and progressed to electromechanical models with ...
Kascak, A. F. +3 more
core +1 more source
Membrane Engineering for Battery Systems: Bridging Design Principles and Frontier Applications
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.The review emphasizes membrane separators' role in battery performance and safety, covering redox flow, lithium‐ion, and solid‐state batteries. It reviews advances in membrane materials (e.g., polymer electrolytes, hybrid composites) and ion transport mechanisms, while addressing challenges like dendrite growth and crossover losses.
Xiaoqun Zhou +3 more
wiley +1 more source
A study of low-cost reliable actuators for light aircraft. Part A: Chapters 1-8 [PDF]
An analysis involving electro-mechanical, electro-pneumatic, and electro-hydraulic actuators was performed to study which are compatible for use in the primary and secondary flight controls of a single engine light aircraft.
Eijsink, H., Rice, M.
core +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Single‐step incorporation of a hydrophobic deep eutectic solvent (HDES) into polyethersulfone ultrafiltration membranes via non‐solvent induced phase separation creates selective, antifouling membranes for pharmaceutical removal. The HDES nanodomains enhance permeability, electrostatic interactions, and adsorption affinity, enabling efficient and ...
Anjali Goyal +8 more
wiley +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This study presents a novel quantum dot electrophoretic display (QDEPD), which combines electro‐controlled reflection and optically‐triggered emission to achieve efficient multi‐modal switching within a single pixel. By incorporating multi‐component nanostructures, the system enhances functional integration and multi‐modal response capabilities.
Xingke Zheng +8 more
wiley +1 more source
Intelligent diagnosis and prediction of turbine digital electro-hydraulic control system faults: Design and experimentation. [PDF]
PLoS One, 2023 Zhong L, Li Q.
europepmc +1 more source