Results 31 to 40 of about 1,177,542 (290)

Vibration Diagnosis of Sand Units in a Stone Crusher Plant: An On-Site Field Test

open access: yesApplied Sciences, 2020
Due to the shortage of natural sand from rivers and seas, artificial sand production from large stones or rocks is being increased. However, this sand manufacturing process is dangerous and causes several social problems such as a high level of unwanted ...
Seong-Hwan Kim   +5 more
doaj   +1 more source

Learning objects and learning designs: an integrated system for reusable, adaptive and shareable learning content [PDF]

open access: yes, 2005
This paper proposes a system, the Smart Learning Design Framework, designed to support the development of pedagogically sound learning material within an integrated, platform-independent data structure.
Agostinho   +5 more
core   +1 more source

Smart-Pixel Cellular Neural Networks in Analog Current-Mode CMOS Technology [PDF]

open access: yes, 1994
This paper presents a systematic approach to design CMOS chips with concurrent picture acquisition and processing capabilities. These chips consist of regular arrangements of elementary units, called smart pixels.
Domínguez Castro, Rafael   +4 more
core   +1 more source

An Improved Algorithm GVSPM-F for Electrical Impedance Tomography

open access: yesIEEE Access, 2021
The generalized vector sampled pattern matching (GVSPM) algorithm is widely utilized in the EIT (electrical impedance tomography) reconstruction to solve the ill-posed inverse problem. An improved algorithm, which is called the generalized vector sampled
Xi He   +6 more
doaj   +1 more source

Remote and precise control over morphology and motion of organic crystals by using magnetic field

open access: yesNature Communications, 2022
Elastic organic crystals are the materials foundation of future lightweight flexible electronic, optical and sensing devices, yet precise control over their deformation has not been accomplished.
Xuesong Yang   +5 more
doaj   +1 more source

Development and Optimization of a Two-Degree-of-Freedom Piezoelectric Harvester Based on Parallel Cantilever Structure With Magnetic Coupling

open access: yesIEEE Access, 2023
Vibration energy harvesting using the piezoelectric effect has recently attracted significant attention from scholars. The main concern in the research of piezoelectric vibration energy harvesters is to improve the operating bandwidth and output power in
Yili Hu   +8 more
doaj   +1 more source

Smart Specialization of Workforce Structure in the European Union Countries – Dynamic Analysis Applying Shift-Share Analysis Method [PDF]

open access: yes, 2012
The performed research also allowed for the identification different kinds of workforce structure characterized by smart specialization (significant share of workforce in high-tech manufacturing sector or high-tech services sector) and the assessment of ...
Sobczak, Elżbieta
core   +3 more sources

Bioinspired soft robots based on organic polymer-crystal hybrid materials with response to temperature and humidity

open access: yesNature Communications, 2023
The capability of stimulated response by mechanical deformation to induce motion or actuation is the foundation of lightweight organic, dynamic materials for designing light and soft robots.
Xuesong Yang   +7 more
doaj   +1 more source

Performance prediction of wind turbines utilizing passive smart blades: approaches and evaluation [PDF]

open access: yes, 2009
The induced deformation, because of the presence of elastic coupling in the structure of passive smart blades, is the key parameter that affects the wind turbine aerodynamic performance, namely rotor mechanical power and blade loading.
Isikveren, Askin, Maheri, Alireza
core   +1 more source

Woven organic crystals

open access: yesNature Communications, 2023
Woven architectures are prepared by physical entanglement of fibrous components to expand one-dimensional material into two-dimensional sheets with enhanced strength and resilience to wear.
Linfeng Lan   +6 more
doaj   +1 more source

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