A low-cost three-wavelength illumination system for camera-based photoplethysmography imaging [0.03%]
一种低成本的三波长照明系统用于基于相机的光容积描记成像
Michal Labuda,Ivan Kuchta,Veronika Wohlmuthova et al.
Michal Labuda et al.
This paper presents the design and implementation of a low-cost, reliable three-wavelength (3-λ) illumination device intended for photoplethysmography imaging (PPGI) measurements. The proposed system employs high-power light-emitting diode...
Open-source Electronic Mass-Spring-Damper emulator with nonlinear dynamics for education and control research [0.03%]
用于教育和控制研究的开源电子质量弹簧阻尼器非线性动力学仿真软件包
Ernesto V Gonzalez-Solis,David I Rosas-Almeida
Ernesto V Gonzalez-Solis
This work presents an open-source Electronic Mass-Spring-Damper (EMSD) emulator designed to reproduce the dynamic behavior of a second-order mechanical system in continuous-time and real-time operation. The proposed hardware emulates both l...
Wirelessly controlled modular automatic chambers for greenhouse gas flux monitoring in natural and agricultural ecosystems [0.03%]
无线控制模块化自动室在天然和农业生态系统温室气体通量监测中的应用
Mikhail Mastepanov
Mikhail Mastepanov
The closed chamber method is widely used for measuring greenhouse gas fluxes (CO2, CH4, N2O) in natural and agricultural ecosystems. Automatic chambers are essential for long-term monitoring with high temporal resolution, but their producti...
LUMIN: an open source dynamic reconfigurable lightboard for neurorehabilitation and athletic training [0.03%]
LUMIN：一种开源的神经康复和体育训练动态可重构光板
Zachary D Peterson,Filip Stefanovic
Zachary D Peterson
Lightboards are commonly used in neurorehabilitation and athletics to assess improved volitional task function, hand-eye coordination, spatial awareness, and reaction time. Current commercial products are expensive, large, static, and not o...
ThongPaDisp: An open-source 3D-printed shuttlecock dispenser using a Grip-Gate-Push mechanism [0.03%]
一种使用夹持-门控-推入机制的开源羽毛球发射器
Thanawat Saeeab,Wichuda Phiphitphibunsuk
Thanawat Saeeab
This paper presents ThongPaDisp, a low-cost, open-source, 3D-printed shuttlecock dispenser developed to automate shuttlecock feeding. The Grip-Gate-Push mechanism implemented in ThongPaDisp overcomes the limitations of conventional Grip-Gat...
Teresa Iucci,Dren Maliqi,Sara Sousa Rosa et al.
Teresa Iucci et al.
Plant Molecular Farming (PMF) is emerging as a cost-effective alternative for producing recombinant biopharmaceuticals, yet laboratory-scale cultivation platforms remain limited. We present a compact, modular hydroponic greenhouse designed ...
Design, construction and validation of an open-source gold nanoparticle concentration tracking device [0.03%]
一种用于追踪金纳米颗粒浓度的开源装置的设计、构造与验证方法
Sergio Molina-Prados,Vicent Sorribes-Paulo,Lucía Arrufat-Sorli et al.
Sergio Molina-Prados et al.
Gold nanoparticles (GNPs) exhibit unique optical properties governed by localized surface plasmon resonance, enabling applications in biomedicine, sensing, catalysis, and photonics. Accurate concentration tracking during fabrication is esse...
Modular and programmable breathing phantom station for accelerated degradation testing of industrial respirator filters [0.03%]
用于工业呼吸器滤芯加速降解测试的模块化可编程呼吸体模站
Paz Gatica,Francisco Pastene,Sergio Sobarzo et al.
Paz Gatica et al.
This work presents the development and validation of a modular and programmable breathing phantom station designed for accelerated degradation testing of industrial respirator filters. The system replicates human respiratory patterns using ...
An open source ultrasonic anemometer for the spatially distributed and time synchronized measurement of large scale flow fields [0.03%]
一种用于分布式和同步测量大规模流场的开源超声风速计项目
Till S Weise,Johannes N Braukmann,Philipp Hartmann
Till S Weise
The quantification of flow speed and -direction is key to many aerodynamic investigations. In case of large scale flow fields and outdoor environments optical techniques such as particle image velocimetry or Shake-the-Box are difficult to i...
Development of an automated fruit classification system by using computer vision and deep learning [0.03%]
基于计算机视觉和深度学习的水果分类系统开发
Thi-Thoa Mac,Huy-Anh Bui,Duc-Vinh Pham et al.
Thi-Thoa Mac et al.
With the rapid development of technology in the Industry 4.0 era, computer vision and deep learning have emerged as key technologies supporting industrial systems such as classification and quality inspection with high accuracy, optimizing ...