218,802 research outputs found

    The management of industrialized building systems (ibs) projects using radio-frequency identification (rfid) technology

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    Radio-frequency Identification (RFID) technology has been widely used globally in the field of construction during the last two decades, specifically in Industrialized Building Systems (IBS) projects. IBS is a construction method that produces pre-manufactured building components in factory which are then being transported and assembled into the intended building structure at construction site using appropriate machineries and equipment. Subsequently, in recognition of the importance of management in IBS industry, this study aims to review methods of using RFID technology in IBS projects by reviewing current practice of IBS industries and identifying solutions to overcome common problems that often detriment this sector. Also to study the potential of RFID implementation to overcome the problems in the IBS projects. Quantitative approach is used to obtain information from respondent that utilize the IBS methods in their projects. The use of RFID technology in IBS projects which was studied pertains only the management of finish products and materials which are then being transferred on-site. The objective of this study to explore the use of Radio-Frequency Identification (RFID) technology in the management of Industrialized Building System (IBS) projects was achieved

    Highway infrastructure health monitoring using micro-electromechanical sensors and systems (MEMS)

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    The development of novel smart structures by embedding sensing capabilities directly into the construction material during the manufacturing and deployment process has attracted significant attention in autonomous structural health monitoring (SHM). Micro-electromechanical systems (MEMS) provide vast improvements over existing sensing methods in the context of SHM of highway infrastructure systems, including improved system reliability, improved longevity and enhanced system performance, improved safety against natural hazards and vibrations, and a reduction in life cycle cost in both operating and maintaining the infrastructure. Advancements in MEMS technology and wireless sensor networks provide opportunities for long-Term, continuous, real-Time structural health monitoring of pavements and bridges at low cost within the context of sustainable infrastructure systems. Based on a comprehensive review of literature and vendor survey, the latest information available on off-The-shelf MEMS devices, as well as research prototypes, for bridge, pavement, and traffic applications are synthesized in this paper. In addition, the paper discusses the results of a laboratory study as well as a small-scale field study on the use of a wireless concrete monitoring system based on radio-frequency identification (RFID) technology and off-The-shelf MEMS-based temperature and humidity sensors

    Radio Frequency Identification Technology: Applications, Technical Challenges and Strategies

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    Purpose - The purpose of this paper is to discuss the technology behind RFID systems, identify the applications of RFID in various industries, and discuss the technical challenges of RFID implementation and the corresponding strategies to overcome those challenges. Design/methodology/approach - Comprehensive literature review and integration of the findings from literature. Findings - Technical challenges of RFID implementation include tag cost, standards, tag and reader selection, data management, systems integration and security. The corresponding solution is suggested for each challenge. Research limitations/implications - A survey type research is needed to validate the results. Practical implications - This research offers useful technical guidance for companies which plan to implement RFID and we expect it to provide the motivation for much future research in this area. Originality/value - As the infancy of RFID applications, few researches have existed to address the technical issues of RFID implementation. Our research filled this gap

    Radio Frequency Interference Mitigation

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    Radio astronomy observational facilities are under constant upgradation and development to achieve better capabilities including increasing the time and frequency resolutions of the recorded data, and increasing the receiving and recording bandwidth. As only a limited spectrum resource has been allocated to radio astronomy by the International Telecommunication Union, this results in the radio observational instrumentation being inevitably exposed to undesirable radio frequency interference (RFI) signals which originate mainly from terrestrial human activity and are becoming stronger with time. RFIs degrade the quality of astronomical data and even lead to data loss. The impact of RFIs on scientific outcome is becoming progressively difficult to manage. In this article, we motivate the requirement for RFI mitigation, and review the RFI characteristics, mitigation techniques and strategies. Mitigation strategies adopted at some representative observatories, telescopes and arrays are also introduced. We also discuss and present advantages and shortcomings of the four classes of RFI mitigation strategies, applicable at the connected causal stages: preventive, pre-detection, pre-correlation and post-correlation. The proper identification and flagging of RFI is key to the reduction of data loss and improvement in data quality, and is also the ultimate goal of developing RFI mitigation techniques. This can be achieved through a strategy involving a combination of the discussed techniques in stages. Recent advances in high speed digital signal processing and high performance computing allow for performing RFI excision of large data volumes generated from large telescopes or arrays in both real time and offline modes, aiding the proposed strategy.Comment: 26 pages, 10 figures, Chinese version accepted for publication in Acta Astronomica Sinica; English version to appear in Chinese Astronomy and Astrophysic

    Benefits of connecting rfid and lean principles in health care

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    The performance management process in health care is far behind compared to the manufacturing and service industries. Although nowadays the health care organizations are able to deal with a greater rank diseases, their cost, quality and delivery has essentially not improved significantly, and the difference with the other industries even seems to have increased. As opposed to this situation health care has a tremendous opportunity to deploy lean principles to reduce internal/external costs, improve patient safety, increase profits, reduce litigation and decrease the dependence on Government and Insurance. The application of these principles is being facilitated by the use of the new technologies. A new technology allowing personnel to constantly "see" what's happening with regards to patients schedule, backlog, workflow, inventory levels, resource utilization, quality, etc., is Radio Frequency Identification (RFID). The aim of this paper is to analyse the benefits that can be derived from the joint use of lean principles and RFID technology in health care

    Where Will Consumers Find Privacy Protection From RFIDs?: A Case for Federal Legislation

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    With the birth of RFID technology, businesses gained the ability to tag products with practically invisible computer chips that relay information about consumer behavior to remote databases. Such tagging permits retailers and manufacturers to track the purchases, identities, and movements of their customers. In the absence of enforceable regulations, society risks being subjected to an unprecedented level of Orwellian surveillance. This iBrief addresses consumer privacy concerns stemming from the proliferation of RFID technology. It discusses why tort law, state legislation, FTC guidelines, and proposed regulations are insufficient methods to alleviate consumer privacy concerns and suggests amending various federal privacy laws, thereby prohibiting the underlying RFID tracking behavior
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