Статті в журналах: "Digital electronic laboratory"

1

List, Markus, Michael Franz, Qihua Tan, Jan Mollenhauer, and Jan Baumbach. "OpenLabNotes – An Electronic Laboratory Notebook Extension for OpenLabFramework." Journal of Integrative Bioinformatics 12, no. 3 (September 1, 2015): 16–25. http://dx.doi.org/10.1515/jib-2015-274.

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Summary Electronic laboratory notebooks (ELNs) are more accessible and reliable than their paper based alternatives and thus find widespread adoption. While a large number of commercial products is available, small- to mid-sized laboratories can often not afford the costs or are concerned about the longevity of the providers. Turning towards free alternatives, however, raises questions about data protection, which are not sufficiently addressed by available solutions. To serve as legal documents, ELNs must prevent scientific fraud through technical means such as digital signatures. It would also be advantageous if an ELN was integrated with a laboratory information management system to allow for a comprehensive documentation of experimental work including the location of samples that were used in a particular experiment. Here, we present OpenLabNotes, which adds state-of-the-art ELN capabilities to OpenLabFramework, a powerful and flexible laboratory information management system. In contrast to comparable solutions, it allows to protect the intellectual property of its users by offering data protection with digital signatures. OpenLabNotes effectively closes the gap between research documentation and sample management, thus making Open- LabFramework more attractive for laboratories that seek to increase productivity through electronic data management.

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Bohn, Mary Kathryn, Giulia F. Fabiano, and Khosrow Adeli. "Electronic tools in clinical laboratory diagnostics: key examples, limitations, and value in laboratory medicine." Journal of Laboratory Medicine 45, no. 6 (October 15, 2021): 319–24. http://dx.doi.org/10.1515/labmed-2021-0114.

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Abstract Electronic tools in clinical laboratory diagnostics can assist laboratory professionals, clinicians, and patients in medical diagnostic management and laboratory test interpretation. With increasing implementation of electronic health records (EHRs) and laboratory information systems worldwide, there is increasing demand for well-designed and evidence-based electronic resources. Both complex data-driven and simple interpretative electronic healthcare tools are currently available to improve the integration of clinical and laboratory information towards a more patient-centered approach to medicine. Several studies have reported positive clinical impact of electronic healthcare tool implementation in clinical laboratory diagnostics, including in the management of neonatal bilirubinemia, cardiac disease, and nutritional status. As patients have increasing access to their medical laboratory data, it is essential that accessible electronic healthcare tools are evidence-based and user-friendly for individuals of varying digital and medical literacy. Indeed, studies suggest electronic healthcare tool development processes significantly lack the involvement of relevant healthcare professionals and often present misinformation, including erroneous calculation algorithms or inappropriate interpretative recommendations. The current review provides an overview of the utility of available electronic healthcare tools in clinical laboratory diagnostics and critically reviews potential limitations and benefits of their clinical implementation. The Canadian Laboratory Initiative on Pediatric Reference Intervals (CALIPER) online database is also detailed as an example of a pediatric diagnostic tool with widespread global impact.

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3

Duke, R. M., J. A. Gibson, and H. R. Sirisena. "An On-Line Asynchronous Digital Control Tutor." International Journal of Electrical Engineering & Education 26, no. 4 (October 1989): 323–32. http://dx.doi.org/10.1177/002072098902600403.

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Laboratory technique for teaching closed loop digital control of continuously operating systems is introduced. To facilitate the laboratory work, shaft encoder interface units with displays emphasising the digital processing involved have been designed and built. Tutorial theoretical analyses support the laboratory work.

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4

Micklem, Kingsley. "Developing Digital Photomicroscopy." Cells 11, no. 2 (January 16, 2022): 296. http://dx.doi.org/10.3390/cells11020296.

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(1) The need for efficient ways of recording and presenting multicolour immunohistochemistry images in a pioneering laboratory developing new techniques motivated a move away from photography to electronic and ultimately digital photomicroscopy. (2) Initially broadcast quality analogue cameras were used in the absence of practical digital cameras. This allowed the development of digital image processing, storage and presentation. (3) As early adopters of digital cameras, their advantages and limitations were recognised in implementation. (4) The adoption of immunofluorescence for multiprobe detection prompted further developments, particularly a critical approach to probe colocalization. (5) Subsequently, whole-slide scanning was implemented, greatly enhancing histology for diagnosis, research and teaching.

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Choi, Sanghun, and Maryam Saeedifard. "An Educational Laboratory for Digital Control and Rapid Prototyping of Power Electronic Circuits." IEEE Transactions on Education 55, no. 2 (May 2012): 263–70. http://dx.doi.org/10.1109/te.2011.2169066.

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6

Rahneva, Darina, Vanya Stoykova, Angelina Cherneva, and Krum Videnov. "VIRTUAL LABORATORY for NETWORK AND COMPUTER SECURITY." International Conference on Technics, Technologies and Education, no. 1 (2018): 315–22. http://dx.doi.org/10.15547/ictte.2018.08.003.

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We live in the digital era and our daily lives are constantly connected with information and communication technologies. But this new world of digital information has inevitably raised the issue of data security, stored on electronic media or transmitted over the Networks. An important part in the field of computer and network security is cryptography and its study is an indispensable element in the preparation of all future specialists in the field of computer and communication technologies. The purpose of this report is to present a new way to conduct practical training in the field of Network and Computer Security using a Virtual Lab in which the basic cryptographic algorithms are presented using programming modules developed in language familiar to the students.

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7

Sangwine, S. J. "A Digital Signal Processing Laboratory Based on the TMS320C25." International Journal of Electrical Engineering & Education 32, no. 1 (January 1995): 21–30. http://dx.doi.org/10.1177/002072099503200103.

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A digital signal processing laboratory based on the TMS320C25 Students on a B. Eng. degree course at the University of Reading take a 20 hour lecture course on DSP and 15 hours of laboratory work using an audio-band DSP system designed around the Texas TMS320C25 DSP chip. The course and DSP system are described and experiences and conclusions are drawn.

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Kostaras, Nektarios, Michalis Xenos, and Athanassios N. Skodras. "Evaluating Usability in a Distance Digital Systems Laboratory Class." IEEE Transactions on Education 54, no. 2 (May 2011): 308–13. http://dx.doi.org/10.1109/te.2010.2054096.

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9

Blinov, N. N., M. I. Zelikman, A. N. Kokuev, and A. A. Solov'ev. "Selection of electronic equipment for digital X-ray diagnostic scanners." Biomedical Engineering 32, no. 1 (January 1998): 1–4. http://dx.doi.org/10.1007/bf02368968.

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10

Khubalkar, Swapnil, Anjali Junghare, Mohan Aware, and Shantanu Das. "Unique fractional calculus engineering laboratory for learning and research." International Journal of Electrical Engineering & Education 57, no. 1 (September 27, 2018): 3–23. http://dx.doi.org/10.1177/0020720918799509.

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In this paper, a novel prototype laboratory is presented for engineering education, in which experiments are based on the fractional calculus. The prototypes of analog and digital fractional-order proportional-integral-derivative (PID) controllers are built in the laboratory. These fractional-order PID controllers are applied to linear and nonlinear plants to demonstrate the effectiveness of fractional-order calculus in real time. These experiments are designed, developed, and implemented on the analog and digital platforms. These controllers are integrated to control the DC motor, brushless DC motor, and magnetic levitation modules through hardware-in-loop as well as stand-alone systems. The analog type of fractional-order PID implementation is carried out by using passive components (i.e. resistances and capacitances) with an operational amplifier. However, real-time digital implementation is carried out using field-programmable gate array and digital signal processor. This paper describes how the experiments on fractional calculus can be tailored for graduate, undergraduate students’ education and extended for research in this emerging area.

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11

Gruber, HE, EN Hanley, and Y. Sun. "Digital histologic images: practical pointers for successful electronic submission to biomedical journals." Biotechnic & Histochemistry 84, no. 6 (January 2010): 295–98. http://dx.doi.org/10.3109/10520290902919395.

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12

Ilić, Siniša, Mile Petrović, Branimir Jakšić, Slobodan Bojanić, Petar Spalević, and Ranko Babić. "Implementing Master Program on Digital Broadcasting and Broadband Technologies." Electronics ETF 21, no. 2 (August 8, 2018): 100. http://dx.doi.org/10.7251/els1721100i.

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The paper presents the mid-term results of the implementation of Master study program on Digital Broadcasting and Broadband Technologies in Western Balkans countries. In this period the teaching courses are developed and the corresponding laboratory equipment is acquired. The project takes part of the Erasmus+ program for Capacity Building in Higher Education. In the rest of the project lifetime the new courses will be carried out altogether with laboratory exercises.

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13

Luna, Félix Gascón, Isidoro Herrera Contreras, Antonio Cruz Guerrero, and Francisco Bermudo Guitarte. "Integrating Electronic Systems for Requesting Clinical Laboratory Test into Digital Clinical Records: Design and Implementation." Health 09, no. 04 (2017): 622–39. http://dx.doi.org/10.4236/health.2017.94044.

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14

Paull, C. J. "A Laboratory Experiment Introducing Fault Diagnosis in Analogue and Digital Circuits." International Journal of Electrical Engineering & Education 26, no. 4 (October 1989): 367–72. http://dx.doi.org/10.1177/002072098902600410.

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The paper describes an experiment designed to introduce students to fault diagnosis in analogue and digital circuits. The faults are randomly selected and results can be checked against look-up tables available to the laboratory supervisor.

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15

Tyurin, Andrei, German Ganus, Mikhail Stepanov, and Gafurzhan Ismailov. "Measurement Instruments and Software Used in Biotribology Research Laboratory." Electrical, Control and Communication Engineering 8, no. 1 (July 1, 2015): 30–36. http://dx.doi.org/10.1515/ecce-2015-0004.

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Abstract Precision measurements of friction processes have a key role in a variety of industrial processes. The emergence of fine electronic circuit techniques greatly expands capabilities of control. There are some difficulties for their full implementation today, especially when it regards the accuracy and frequency of measurements. The motion-measuring method in real-time system is considered in this article, paying special attention to increased accuracy. This method is based on rapid analog digital converter (ADC), transmission program and digital signal processor (DSP) algorithms. Description of laboratory devices is included: Tribal-T and universal friction machine (MTU-01) designed for “Pin on disc” tests. Great emphasis is placed on the usability of accelerometers. The present study examined the collected data via laboratory system for data acquisition and control, and processing it in the laboratory of Biotribology. Laboratory supervisory control and data acquisition (SCADA) algorithms is described below. Task of regulation is not considered. This paper describes only methods of automatic control theory to analyze the frictional quality.

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Meskhi, B. Ch, A. V. Panfilov, and A. A. Korotkiy. "Improvement of the Work Efficiency of Accredited Testing Laboratories on the Conformity Assessment of the Elevators by the Automation of the Electronic Document Workflow." Occupational Safety in Industry, no. 4 (April 2021): 38–44. http://dx.doi.org/10.24000/0409-2961-2021-4-38-44.

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The list of goals for the implementation of the «regulatory guillotine» includes: the creation in the field of regulation of a new system of clear and readable requirements for business entities, removal of excessive administrative burden on business entities, reduction of risks of causing harm (damage) to the protected values using modern means and methods of the digital economy. The article is devoted to the issues of improving the work efficiency of the certified specialists of the accredited testing laboratories with the introduction of new regulatory legal acts that establish the requirements, conformity with which is subject to verification in the implementation of the state control (supervision). These documents are developed considering the risk-oriented approach and the current level of digital technological development. An electronic digital platform is created, which includes a specialized software application based on the Android and web interface. It contains personal accounts for the work of a specialist, administrator, and archivist of an accredited testing laboratory. The use of the Liftguru software in the preparation of technical documentation of an accredited testing laboratory based on the results of the elevator conformity assessment in accordance with the procedures provided for in GOST R 58973—2020 «Conformity assessment. Rules for registration of test reports», ensures an increase in the productivity of a specialist who directly performs research and measurements. It also allows to organize electronic document workflow with the presence of an electronic digital signature. The software received a certificate of state registration of the program for the preparation of technical documentation of an accredited testing laboratory based on the results of the elevator conformity assessment. The developers also received a certificate of conformity confirming the possibility of industrial use of the Liftguru software by the accredited testing laboratories.

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17

Jarske, Petri. "Introduction to digital signal processing — A computer laboratory textbook." Signal Processing 29, no. 2 (November 1992): 227. http://dx.doi.org/10.1016/0165-1684(92)90025-r.

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Bedicks, Gunnar, Fujio Yamada, Francisco Sukys, Cristiano Akamine, Luis Tadeu Raunheitte, and Edson L. Horta. "Handheld Digital TV Performance Evaluation Method." International Journal of Digital Multimedia Broadcasting 2008 (2008): 1–5. http://dx.doi.org/10.1155/2008/243937.

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This paper presents a simplified method for signal level clearance evaluation in each place of signal reception up to threshold for a given portable TV receiver device. It describes briefly the structure of transmission system considering the “1Seg” structure of ISDB-T. The preliminary laboratory test was made before the field tests to verify the main features of handheld receiver.

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Utemesov, R. M., and E. A. Shimko. "The Laboratory Measuring and Computing System for Stabilometric Studies." Izvestiya of Altai State University, no. 4(120) (September 10, 2021): 66–70. http://dx.doi.org/10.14258/izvasu(2021)4-10.

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The article is devoted to the development of the digital measuring and computing system for conducting stabilometric studies. The proposed system is based on an electromechanical stability platform. The block diagram of the developed system is presented. The selection of electronic components for the system is analyzed. The developed system is based on the ATmega328 microcontroller on the Arduino Uno R3 board. The HX711 board is used as an analog-to-digital converter. Strain gauges of 50 kg are used to measure the patients’ pressure forces. The overall design, technological, technical, and operational characteristics of the developed stabilometric platform are presented in the paper. The physical model of the developed system is shown. The operating algorithm is described, and the block diagram for calculation of the main stabilometric indicators (the length of the stabilogram, the modules and directions of the velocities, angular velocities, and dynamic stabilization factors) is presented. There are several examples demonstrating test operations of the developed system. Trial measurements and calculations have shown that the designed system fully meets the technical requirements for stabilometry equipment. The developed measuring and computing system allows registration and calculation of the spatial and temporal characteristics of patients’ motions.

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20

Tran, Duc Minh, C. Louise Thwaites, Jennifer Ilo Van Nuil, Jacob McKnight, An Phuoc Luu, and Chris Paton. "Digital Health Policy and Programs for Hospital Care in Vietnam: Scoping Review." Journal of Medical Internet Research 24, no. 2 (February 9, 2022): e32392. http://dx.doi.org/10.2196/32392.

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Background There are a host of emergent technologies with the potential to improve hospital care in low- and middle-income countries such as Vietnam. Wearable monitors and artificial intelligence–based decision support systems could be integrated with hospital-based digital health systems such as electronic health records (EHRs) to provide higher level care at a relatively low cost. However, the appropriate and sustainable application of these innovations in low- and middle-income countries requires an understanding of the local government’s requirements and regulations such as technology specifications, cybersecurity, data-sharing protocols, and interoperability. Objective This scoping review aims to explore the current state of digital health research and the policies that govern the adoption of digital health systems in Vietnamese hospitals. Methods We conducted a scoping review using a modification of the PRISMA-ScR (Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews) guidelines. PubMed and Web of Science were searched for academic publications, and Thư Viện Pháp Luật, a proprietary database of Vietnamese government documents, and the Vietnam Electronic Health Administration website were searched for government documents. Google Scholar and Google Search were used for snowballing searches. The sources were assessed against predefined eligibility criteria through title, abstract, and full-text screening. Relevant information from the included sources was charted and summarized. The review process was primarily undertaken by one researcher and reviewed by another researcher during each step. Results In total, 11 academic publications and 20 government documents were included in this review. Among the academic studies, 5 reported engineering solutions for information systems in hospitals, 2 assessed readiness for EHR implementation, 1 tested physicians’ performance before and after using clinical decision support software, 1 reported a national laboratory information management system, and 2 reviewed the health system’s capability to implement eHealth and artificial intelligence. Of the 20 government documents, 19 were promulgated from 2013 to 2020. These regulations and guidance cover a wide range of digital health domains, including hospital information management systems, general and interoperability standards, cybersecurity in health organizations, conditions for the provision of health information technology (HIT), electronic health insurance claims, laboratory information systems, HIT maturity, digital health strategies, electronic medical records, EHRs, and eHealth architectural frameworks. Conclusions Research about hospital-based digital health systems in Vietnam is very limited, particularly implementation studies. Government regulations and guidance for HIT in health care organizations have been released with increasing frequency since 2013, targeting a variety of information systems such as electronic medical records, EHRs, and laboratory information systems. In general, these policies were focused on the basic specifications and standards that digital health systems need to meet. More research is needed in the future to guide the implementation of digital health care systems in the Vietnam hospital setting.

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Weeks, Andrea, Beverly Bachman, Sarah Josway, Brittany North, and Mirian T. N. Tsuchiya. "Making Microscopy Motivating, Memorable, & Manageable for Undergraduate Students with Digital Imaging Laboratories." American Biology Teacher 75, no. 8 (October 1, 2013): 578–81. http://dx.doi.org/10.1525/abt.2013.75.8.10.

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Microscopy and precise observation are essential skills that are challenging to teach effectively to large numbers of undergraduate biology students. We implemented student-driven digital imaging assignments for microscopy in a large-enrollment laboratory for organismal biology. We detail how we promoted student engagement with the material and how we assessed student learning in both formative and summative formats using digital images. Students worked in pairs to collect over 60 digital images of their microscopic observations over the semester and then individually created electronic portfolios, which were submitted for a grade.

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Rick McGill. "Design and Implementation of a Laboratory-Wide Image Management System Based on Microsoft Windows NT and Optical Storage Technology." Microscopy and Microanalysis 4, S2 (July 1998): 34–35. http://dx.doi.org/10.1017/s1431927600020298.

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The advent of digital imaging in microscopy has inspired many changes to the conventional generation and presentation of photographic image data. The demise of the photographic darkroom is a direct result of the prolific electronic image format. Digital images offer extensive flexibility with respect to image manipulation and analysis, duplication, technical presentations, and data transfer to remote locations. With this advance to digital technology come new obstacles for the "traditional" microscopy laboratory to hurdle once this technology is implemented. A few of these obstacles include data storage and retrieval systems, networking of analytical instruments, and adequate software for image manipulation.The intent of this presentation is to introduce the analytical community to a successful implementation of a laboratory-wide image management system, specifically, the strategies behind the concept and completion of the system and successes gained therefrom.

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23

Benveniste, Rifat, and Cem Ünsalan. "Hands-On DSP Education through Experiments." International Journal of Electrical Engineering & Education 49, no. 3 (July 2012): 302–9. http://dx.doi.org/10.7227/ijeee.49.3.9.

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A new graduate from electrical engineering education must know about digital signal processing (DSP) to find a secure place in the competitive jobs market. Although this topic can be taught theoretically, its importance comes from practical applications. Therefore, students must be equipped with appropriate tools. Fortunately, DSP platforms serve this purpose. At Yeditepe University, we established a laboratory to guide students in real-time digital signal processing applications. We selected a Texas Instruments TMS320C6713 DSK platform for this purpose. In this study, we provide several laboratory applications on this platform. We also provide more advanced projects developed by our students which emerged from these applications. We observed that this laboratory improved the understanding of theoretical DSP concepts.

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Macdonald, Stuart, and Rory Macneil. "Service Integration to Enhance Research Data Management: RSpace Electronic Laboratory Notebook Case Study." International Journal of Digital Curation 10, no. 1 (March 25, 2015): 163–72. http://dx.doi.org/10.2218/ijdc.v10i1.354.

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Research Data Management (RDM) provides a framework that supports researchers and their data throughout the course of their research and is increasingly regarded as one of the essential areas of responsible conduct of research. New tools and infrastructures make possible the generation of large volumes of digital research data in a myriad of formats. This facilitates new ways to analyse, share and reuse these outputs, with libraries, IT services and other service units within academic institutions working together with the research community to develop RDM infrastructures to curate and preserve this type of research output and make them re-usable for future generations. Working on the principle that a rationalised and continuous flow of data between systems and across institutional boundaries is one of the core goals of information management, this paper will highlight service integration via Electronic Laboratory Notebooks (ELN), which streamline research data workflows, result in efficiency gains for researchers, research administrators and other stakeholders, and ultimately enhance the RDM process.

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Rocca, Roberto, Paolo Rosa, Claudio Sassanelli, Luca Fumagalli, and Sergio Terzi. "Integrating Virtual Reality and Digital Twin in Circular Economy Practices: A Laboratory Application Case." Sustainability 12, no. 6 (March 14, 2020): 2286. http://dx.doi.org/10.3390/su12062286.

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The increasing awareness of customers toward climate change effects, the high demand instability affecting several industrial sectors, and the fast automation and digitalization of production systems are forcing companies to re-think their business strategies and models in view of both the Circular Economy (CE) and Industry 4.0 (I4.0) paradigms. Some studies have already assessed the relations between CE and I4.0, their benefits, and barriers. However, a practical demonstration of their potential impact in real contexts is still lacking. The aim of this paper is to present a laboratory application case showing how I4.0-based technologies can support CE practices by virtually testing a waste from electrical and electronic equipment (WEEE) disassembly plant configuration through a set of dedicated simulation tools. Our results highlight that service-oriented, event-driven processing and information models can support the integration of smart and digital solutions in current CE practices at the factory level.

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Pleskacz, Witold A., Viera Stopjakova, Tomasz Borejko, and Artur Jutman. "DefSim: A Remote Laboratory for Studying Physical Defects in CMOS Digital Circuits." IEEE Transactions on Industrial Electronics 55, no. 6 (June 2008): 2405–15. http://dx.doi.org/10.1109/tie.2008.920581.

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Ibrahim, D. "Teaching Digital Control Using a Low-Cost Microcontroller-Based Temperature Control Kit." International Journal of Electrical Engineering & Education 40, no. 3 (July 2003): 175–87. http://dx.doi.org/10.7227/ijeee.40.3.2.

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The design of a low-cost digital temperature control kit is described. The system enables the students to implement various control strategies using a microcontroller. The kit is intended to be helpful in a control laboratory as a complement to the digital control system theory taught to undergraduate students.

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Demurjian, Steven A., Alberto De la Rosa Algarín, Jinbo Bi, Solomon Berhe, Thomas Agresta, Xiaoyan Wang, and Michael Blechner. "A Viewpoint of Security for Digital Health Care in the United States." International Journal of Privacy and Health Information Management 2, no. 1 (January 2014): 1–21. http://dx.doi.org/10.4018/ijphim.2014010101.

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In health care, patient information of interest to health providers, researchers, public health researchers, insurers, patients, etc., is stored in different locations via electronic media and/or hard-copy formats. All potential users need electronic access to health information technology systems such as: electronic health records, personal health records, patient portals, and ancillary systems such as imaging, laboratory, pharmacy, etc. Controlling access to information from multiple systems requires granularity levels of privileges ranging from one patient to a cohort to an entire population. In this paper, we present a viewpoint of the state of secure digital health care in the United States, focusing on the resources that need to be protected as dictated by legal entities and regulations, the available approaches in the present state-of-the art, and, the potential needs for the future of security for digital health care. By utilizing a real world scenario, the authors explore the limitations of health information exchange in the United States, and present one possible architecture for secure digital health care that builds on existing technology alternatives.

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Chung, W. T., and A. K. David. "Digital and laboratory implementation of a generalised minimum variance controller for an HVDC link." IEE Proceedings - Generation, Transmission and Distribution 146, no. 2 (1999): 181. http://dx.doi.org/10.1049/ip-gtd:19990039.

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Etxebarria, V., I. Lizarraga, and J. M. Alcaide. "An Integrated Environment for Practical Control Engineering Courses." International Journal of Electrical Engineering & Education 35, no. 1 (January 1998): 3–13. http://dx.doi.org/10.1177/002072099803500101.

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A flexible control laboratory suitable for teaching the practical aspects arising in the real-time implementation of control systems is presented. The laboratory integrates standard modelling and simulation software with powerful hardware and is designed to experiment control on virtually any system connected to a digital controller via AD/DA converters.

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Thornton, Douglas E., Mark F. Spencer, Christopher A. Rice, and Glen P. Perram. "Impacts of Laboratory Vibrations and Laser Flicker Noise on Digital Holography." IEEE Journal of Quantum Electronics 56, no. 5 (October 2020): 1–7. http://dx.doi.org/10.1109/jqe.2020.3004833.

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Waters, W. M., and B. R. Jarrett. "Tests of Direct-Sampling Coherent Detection with a Laboratory Analog-to-Digital Converter." IEEE Transactions on Aerospace and Electronic Systems AES-21, no. 3 (May 1985): 430–32. http://dx.doi.org/10.1109/taes.1985.310575.

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Hao, Chuanyan, Anqi Zheng, Yuqi Wang, and Bo Jiang. "Experiment Information System Based on an Online Virtual Laboratory." Future Internet 13, no. 2 (January 24, 2021): 27. http://dx.doi.org/10.3390/fi13020027.

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In the information age, MOOCs (Massive Open Online Courses), micro-classes, flipping classroom, and other blended teaching scenes have improved students learning outcomes. However, incorporating technologies into experimental courses, especially electronic and electrical experiments, has its own characteristics and difficulties. The focus of this paper is to introduce virtual technology into an electronic circuit experiment course and to explore its teaching strategy, thereby realizing the informatization of experiment teaching. First, this paper explores the design concepts and implementation details of the digital circuit virtual laboratory, which is then developed based on previous literature and a prequestionnaire to users. Second, the informatization process of the experiment learning model based on traditional custom lab benches is shown through a blended learning scheme that integrates the online virtual laboratory. Finally, the experiment information system is verified and analyzed with a control group experiment and questionnaires. The blended program turned out to be an effective teaching model to complement the deficiencies in existing physical laboratories. The research conclusions show that the virtual experiment system provides students with a rich, efficient, and expansive experimental experience, in particular, the flexibility, repeatability, and visual appeal of a virtual platform could promote the development of students’ abilities in active learning, reflective thinking, and creativity.

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Meléndez, Félix, Patricia Arroyo, Jaime Gómez-Suárez, Sergio Palomeque-Mangut, José Ignacio Suárez, and Jesús Lozano. "Portable Electronic Nose Based on Digital and Analog Chemical Sensors for 2,4,6-Trichloroanisole Discrimination." Sensors 22, no. 9 (April 30, 2022): 3453. http://dx.doi.org/10.3390/s22093453.

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2,4,6-trichloroanisole (TCA) is mainly responsible for cork taint in wine, which causes significant economic losses; therefore, the wine and cork industries demand an immediate, economic, noninvasive and on-the-spot solution. In this work, we present a novel prototype of an electronic nose (e-nose) using an array of digital and analogue metal-oxide gas sensors with a total of 31 signals, capable of detecting TCA, and classifying cork samples with low TCA concentrations (≤15.1 ng/L). The results show that the device responds to low concentrations of TCA in laboratory conditions. It also differentiates among the inner and outer layers of cork bark (81.5% success) and distinguishes among six different samples of granulated cork (83.3% success). Finally, the device can predict the concentration of a new sample within a ±10% error margin.

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Komarov, V. A., A. V. Sarafanov, and S. R. Tumkovskiy. "The Experience of Digital Transformation of Business Processes of Applied Experimental Research by Using the Multitenancy of the Resources." INFORMACIONNYE TEHNOLOGII 27, no. 1 (January 20, 2021): 41–50. http://dx.doi.org/10.17587/it.27.41-50.

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As part of the digital transformation of various areas of human activity, the urgent task is to transform existing business processes (BP) in order to increase their variability according to the needs of the customer, to increase productivity, quality and competitiveness of products. The introduction of end-to-end digital technologies allows for this. The article examines the experience of transforming the BP of experimental research in solving a number of applied tasks in the field of electronic instrumentation, which is obtained as a result of the introduction of operation technology for test, research and laboratory equipment based on the concept of multitenancy. Developed on the basis of the experience of the authors, a number of industrial samples and prototype multiuser distributed measurement-control systems implementing this concept have allowed to transform the following processes: end-to-end BP of tests on-board electronic equipment of spacecraft (communications, relay, navigation, geodesy, remote sensing, etc.); BP of forming the operational load of the spacecraft's on-board relay complex; BP of conducting experimental laboratory research in the industry training system. The effectiveness of modernized BP was evaluated on the basis of their formalized models and a set of qualitative indicators. The key resulting effects of transformation: improving the quality of BP by improving the informativeness of individual business functions and the efficiency of the use of high-tech experimental equipment; reducing the number of gaps in BP by reducing the number of business roles involved in their implementation; reducing the duration of BP by significantly reducing material and time costs and improving the productivity of individual business functions; transition to a service model "Laboratory As Service" for access to high-tech equipment while performing experimental laboratory studies based on digital educational environments.

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36

Atamas, A. I., I. A. Slipukhina, I. S. Chernetckyi, and Y. S. Shykhovtsev. "Virtual environments for the design of electronic devices as a means of instrumental digital didactics." Scientific Notes of Junior Academy of Sciences of Ukraine, no. 2(18) (2020): 57–67. http://dx.doi.org/10.51707/2618-0529-2020-18-06.

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Instrumental digital didactics reflects the application to education of various digital means of obtaining, processing and interpreting experimental data in accordance with the logic of the scientific method and engineering design. An important component of a modern STEM-oriented educational environment are innovative software products for modelling and simulation of electronic circuits. In educational research projects on their basis, the parameters of the components of electrical circuits created in virtual environments are compared with the technical characteristics of similar devices available for sale. This technique allows not only to demonstrate the similarities and differences of idealized and real artifacts, to identify sources and magnitude of possible errors, but also to obtain electrical characteristics sufficient to build equivalent schemes for substituting devices without prior experimental research. The proposed approach is demonstrated on the example of studying the parameters of a device of current interest — a photoelectric converter (determining the point of its maximum power and the fill factor). Learning by means of using equivalent substitution schemes demonstrates one of the variants of the engineering design process to students. In addition, the proposed method, due to the possibility of development from an algorithmic training procedure to an engineering research, allows for an individual approach to the teaching of electrical engineering and electronics. Research of didactic features of the study of electricity and the basics of electronics, in particular with the use of NI “Multisim 11.0”, is one of the activities of the STEM-laboratory of “MANLab” National centre “Junior academy of sciences of Ukraine”. Some of the tested methods are designed as a workbook and placed in free access in the form of instructions on the online resource stemua.science.

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Willoughby, Cerys, and Frey Jeremy. "Encouraging and Facilitating Laboratory Scientists to Curate at Source." International Journal of Digital Curation 12, no. 2 (December 30, 2017): 1–25. http://dx.doi.org/10.2218/ijdc.v12i2.514.

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Computers and computation have become essential to scientific activity and significant amounts of data are now captured digitally or even “born digital”. Consequently, there is more and more incentive to capture the full experiment records using digital tools, such as Electronic Laboratory Notebooks (ELNs), to enable the effective linking and publication of experiment design and methods with the digital data that is generated as a result. Inclusion of metadata for experiment records helps with providing access, effective curation, improving search, and providing context, and further enables effective sharing, collaboration, and reuse. Regrettably, just providing researchers with the facility to add metadata to their experiment records does not mean that they will make use of it, or if they do, that the metadata they add will be relevant and useful. Our research has clearly indicated that researchers need support and tools to encourage them to create effective metadata. Tools, such as ELNs, provide an opportunity to encourage researchers to curate their records during their creation, but can also add extra value, by making use of the metadata that is generated to provide capabilities for research management and Open Science that extend far beyond what is possible with paper notebooks. The Southampton Chemical Information group, has, for over fifteen years, investigated the use of the Web and other tools for the collection, curation, dissemination, reuse, and exploitation of scientific data and information. As part of this activity we have developed a number of ELNs, but a primary concern has been how best to ensure that the future development of such tools is both usable and useful to researchers and their communities, with a focus on curation at source. In this paper, we describe a number of user research and user studies to help answer questions about how our community makes use of tools and how we can better facilitate the capture and curation of experiment records and the related resources.

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Hristea, Alexandru, Bogdan Tudor, Stefan Sefu, and Gabriela Milian. "Mechano-hydraulic pumping solutions for reduction off energy losses in agricultural mobile machinery." E3S Web of Conferences 180 (2020): 04020. http://dx.doi.org/10.1051/e3sconf/202018004020.

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Hydraulic digital power consists in a hydraulic plant having one or more discreet valued components actively with which we are controlling the system output flow. In this paper authors study a solution of 4 fixed pumps parallel connected. This complex pumping system can achieve 15 flows. The pumping system consists in an electrical single speed motor, 4 fixed pumps, the repartition will achieve with the help of 4 electrohydraulic distributors and an electronic micro-controller. The hydraulic plant was made in our Research Institute in the digital hydraulic laboratory for conducting tests and experiments.

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Serra, Ginalber LO. "Experimental approach applied to practical classes on digital control systems: A contribution from model-based control theory." International Journal of Electrical Engineering & Education 57, no. 2 (July 25, 2018): 99–132. http://dx.doi.org/10.1177/0020720918788723.

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In this paper, an experimental procedure used efficiently and successfully for teaching in practical classes of digital control course for undergraduate students who are attending the fifth year in Industrial Electrical Engineering at Federal Institute of Education, Sciences and Technology, in Brazil, is presented. The adopted methodology is characterized by the following steps: modeling of the dynamic system to be controlled from experimental data, model-based digital controller design according to pre-established performance specifications and implementation of the designed digital controller. The experiments are performed on a data acquisition platform, in real time, based on high performance virtual/electronics instrumentation, at Laboratory of Computational Intelligence Applied to Technology. Results from an experimental activity, developed by students in the digital control course, illustrate the main practical aspects that must be taken into account in design and implementation of real time digital PI/PID control.

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40

Meyer-Base, Uwe, Alonzo Vera, Anke Meyer-Base, Marios S. Pattichis, and Reginald J. Perry. "An Undergraduate Course and Laboratory in Digital Signal Processing With Field Programmable Gate Arrays." IEEE Transactions on Education 53, no. 4 (November 2010): 638–45. http://dx.doi.org/10.1109/te.2009.2039216.

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Tanveer, Waqas, Angela Ridwan-Pramana, Pedro Molinero-Mourelle, Jan Harm Koolstra, and Tymour Forouzanfar. "Systematic Review of Clinical Applications of CAD/CAM Technology for Craniofacial Implants Placement and Manufacturing of Nasal Prostheses." International Journal of Environmental Research and Public Health 18, no. 7 (April 3, 2021): 3756. http://dx.doi.org/10.3390/ijerph18073756.

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The aim of this systematic review was to gather the clinical and laboratory applications of CAD/CAM technology for preoperative planning, designing of an attachment system, and manufacturing of nasal prostheses. According to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, an electronic search was carried out. Only human clinical studies involving digital planning for the rehabilitation of facial defects were included. A total of 21 studies were included with 23 patients, which were virtually planned through different planning software. The most common preoperative data for digital planning were CT scans in nine cases, CBCT in six cases, and laser scans in six cases. The reported planning softwares were Mimics in six cases, Geomagic Studio software in six cases, ZBrush in four cases, and Freeform plus software in four cases. Ten surgical templates were designed and printed to place 36 implants after digital planning, while post-operative assessment was done in two cases to check the accuracy of planned implants. Digital 3D planning software was reported for presurgical planning and craniofacial implants placement, fabrication of molds, designing of implants, designing of retentive attachments, and printing of silicone prostheses. Digital technology has been claimed to reduce the clinical and laboratory time; however, the equipment cost is still one of the limitations.

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Dutchak, E. E., T. V. Polezhaeva, and M. O. Shepel. "UNIVERSITY LIBRARY IN THE DIGITAL AGE: INVITATION TO DISCUSSION." Scholarly Research and Information 2, no. 1 (March 25, 2019): 53–62. http://dx.doi.org/10.24108/2658-3143-2019-2-1-53-62.

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The challenges of the digital revolution need critical rethinking the usual functions of the university libraries and to establish what characteristics it must have in order to adapt effectively to the new technological situation.The article analyzes the reasons for the frequent lack of demand by researchers of digitized textual heritage and presents the idea of a problem-thematic online resource “Reconstructing the Reader: a Rare Book Collection in the Regional Cultural Landscape” developed by the Laboratory for Library and Communicative Studies (Tomsk State University).Conceptually, its implementation aims at overcoming the positivistic approach to the library as a “repository of information on paper and electronic medium”, and in practice — at identifying the ways to integrate the university libraries into a new format of scientific knowledge and scholarly communications.

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Timóteo, Margareth, Emanuelle Lourenço, Ana Carolina Brochado, Luciana Domenico, Joice da Silva, Bruna Oliveira, Renata Barbosa, et al. "Digital Management Systems in Academic Health Sciences Laboratories: A Scoping Review." Healthcare 9, no. 6 (June 16, 2021): 739. http://dx.doi.org/10.3390/healthcare9060739.

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Good laboratory practices (GLP) increase the quality and traceability of results in health sciences research. However, factors such as high staff turnover, insufficient resources, and a lack of training for managers may limit their implementation in research and academic laboratories. This Scoping Review aimed to identify digital tools for managing academic health sciences and experimental medicine laboratories and their relationship with good practices. Following the PRISMA-ScR 2018 criteria, a search strategy was conducted until April 2021 in the databases PUBMED, Web of Sciences, and Health Virtual Library. A critical appraisal of the selected references was conducted, followed by data charting. The search identified twenty-one eligible articles, mainly originated from high-income countries, describing the development and/or implementation of thirty-two electronic management systems. Most studies described software functionalities, while nine evaluated and discussed impacts on management, reporting both improvements in the workflow and system limitations during implementation. In general, the studies point to a contribution to different management issues related to GLP principles. In conclusion, this review identified evolving evidence that digital laboratory management systems may represent important tools in compliance with the principles of good practices in experimental medicine and health sciences research.

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Martin, Genevieve, Christophe Marty, Robin Bornoff, Andras Poppe, Grigory Onushkin, Marta Rencz, and Joan Yu. "Luminaire Digital Design Flow with Multi-Domain Digital Twins of LEDs." Energies 12, no. 12 (June 21, 2019): 2389. http://dx.doi.org/10.3390/en12122389.

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At present, when designing a Light Emitting Diode (LED) luminaire, different strategies of development are followed depending on the size of the company. Since on LED datasheets there is only limited information provided, companies designing LED luminaires spend a lot of effort gathering the required input of LED details to be able to design reliable products. Small and medium size enterprises (SMEs) do not have the bandwidth to gather such input and solely rely on empirical approaches leading to approximated luminaire designs, while larger companies use advanced hardware and software tools to characterize parts, design versions, and finally optimize all design steps. In both cases, considerable time and money is spent on prototyping, sampling, and laboratory testing. Digitalization of the complete product development (also known as Industry 4.0 approach) at all integration levels of the solid state lighting (SSL) supply chain would provide the remedy for these pains. The Delphi4LED European project aimed at developing multi-domain compact models of LED (for a consistent, combined description of electronic, thermal, and optical properties of LEDs) as digital twins of the physical products to support virtual prototyping during the design of luminaires. This paper provides an overview of the Delphi4LED approach aimed at supporting new, completely digital workflows both for SMEs and larger companies (Majors) along with some comparison with the traditional luminaire design. Two demonstration experiments are described: One to show the achievable benefits of the approach and another one to demonstrate the ease of use and ability to be accommodated in a larger scale product design for assessing design choices like e.g., number and type of LEDs versus electrical/thermal conditions and constraints, in a tool agnostic manner.

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Prusakov, A. N., A. I. Spiridonov, and A. A. Prusakov. "The automated laser comparator for calibration of digital equipment leveling." Geodesy and Cartography 933, no. 3 (April 20, 2018): 17–22. http://dx.doi.org/10.22389/0016-7126-2018-933-3-17-22.

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Describes a device and methods for automated laser comparator for calibration of digital leveling equipment. The comparator created by the technology of the Finnish Geodetic Institute and placed in the building of the geodetic calibration laboratory of geodetic polygon of FSBE “Centre of geodesy, cartography and SDI”. Shows the main technical characteristics, modes of operation and basic procedures in the calibration of bar-code leveling rods. It is noted that the comparator is a complex measuring system in the form of high-precision optical-electronic stand, consisting of individual mechanical, optical and electronic components and assemblies. One of the features of the design of the comparator is the vertical positioning of its component parts, which allows to determine the error of position of the strokes of the scale of the rod in a working position. Based on the results of verification receive corrections to readings on a rod scale and a linear coefficient of expansion of the material from which rod is made. Lists the possible measurement errors in the verification process and the peculiarities of metrological assurance of operation of the comparator. Formulated one of the immediate tasks in the testing of the comparator

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46

Michtchenko, Alexandre. "Application of Electronic Speckle Pattern Interferometry Method for Simultaneous Measurement of Young’s Modulus and the Poisson’s Ratio of Metals." Proceedings 2, no. 8 (June 28, 2018): 521. http://dx.doi.org/10.3390/icem18-05396.

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In this paper, mechanical experiments with a low-cost interferometry set-up are presented. The set-up is suitable for an undergraduate laboratory where optical equipment is absent. The arrangement consists of two planes of illumination, allowing the measurement of the two perpendicular in-plane displacement directions. An axial load was applied to three different metals, and the longitudinal and transversal displacements were measured sequentially. A digital camera was used to acquire the images of the different states of the load of the illuminated area. A personal computer was used to perform the digital subtraction of the images to obtain the fringe correlations, which are needed to calculate the displacements. Finally, Young’s modulus and Poisson’s ratio of the metals were calculated using the displacement data.

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Costa-Castello, R., J. Nebot, and R. Grino. "Demonstration of the Internal Model Principle by Digital Repetitive Control of an Educational Laboratory Plant." IEEE Transactions on Education 48, no. 1 (February 2005): 73–80. http://dx.doi.org/10.1109/te.2004.832873.

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Wang, Jing Xia. "Design of Intelligent Management System for Open Labs Based on Wireless Transmission." Applied Mechanics and Materials 631-632 (September 2014): 889–93. http://dx.doi.org/10.4028/www.scientific.net/amm.631-632.889.

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This paper describes the design ideas of intelligent management system for open labs based on wireless transmission. The student legal identity authentication is completed using IC cards and the equipments power supply is controlled using wireless digital transceiver chip nRF401.The system hardware is simple, no complex wiring, easy to use. It can be used in any laboratory of electronic equipment, has the very good practicability and wide application prospects.

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Melosik, Michał, Mariusz Naumowicz, Marek Kropidłowski, and Wieslaw Marszalek. "Remote Prototyping of FPGA-Based Devices in the IoT Concept during the COVID-19 Pandemic." Electronics 11, no. 9 (May 7, 2022): 1497. http://dx.doi.org/10.3390/electronics11091497.

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This paper presents a system for the remote design and testing of electronic circuits and devices with FPGAs during COVID-19 and similar lockdown periods when physical access to laboratories is not permitted. The system is based on the application of the IoT concept, in which the final device is a test board with an FPGA chip. The system allows for remote visual inspection of the board and the devices linked to it in the laboratory. The system was developed for remote learning taking place during the lockdown periods at Poznan University of Technology (PUT) in Poland. The functionality of the system is confirmed by two demonstration tasks (the use of the temperature and humidity DHT11 sensor and the design of a generator of sinusoidal waveforms) for students in the fundamentals of digital design and synthesis courses. The proposed solution allows, in part, to bypass the time-consuming simulations, and accelerate the process of prototyping digital circuits by remotely accessing the infrastructure of the microelectronics laboratory.

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Campbell-Kelly, Martin. "Sir Maurice Vincent Wilkes. 26 June 1913 — 29 November 2010." Biographical Memoirs of Fellows of the Royal Society 60 (January 2014): 433–54. http://dx.doi.org/10.1098/rsbm.2013.0020.

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Maurice Wilkes was head of the Mathematical Laboratory (later Computer Laboratory) at Cambridge University from 1945 until his retirement in 1980. He led the construction of the EDSAC (Electronic Delay Storage Automatic Calculator), the world’s first practical stored-program computer, completed in May 1949. In 1951 he invented microprogramming, a fundamental technique of computer design. He subsequently led the construction of the EDSAC 2 and the Titan computers; he then established the CAP computer project, the Cambridge Digital Ring, and the Cambridge Distributed Computer System. Beyond Cambridge University, he was founding president of the British Computer Society. He was knighted in 2000 for services to computing.

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