• Title/Summary/Keyword: Ubiquitous motor

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A Survey of Multimodal Systems and Techniques for Motor Learning

  • Tadayon, Ramin;McDaniel, Troy;Panchanathan, Sethuraman
    • Journal of Information Processing Systems
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    • v.13 no.1
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    • pp.8-25
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    • 2017
  • This survey paper explores the application of multimodal feedback in automated systems for motor learning. In this paper, we review the findings shown in recent studies in this field using rehabilitation and various motor training scenarios as context. We discuss popular feedback delivery and sensing mechanisms for motion capture and processing in terms of requirements, benefits, and limitations. The selection of modalities is presented via our having reviewed the best-practice approaches for each modality relative to motor task complexity with example implementations in recent work. We summarize the advantages and disadvantages of several approaches for integrating modalities in terms of fusion and frequency of feedback during motor tasks. Finally, we review the limitations of perceptual bandwidth and provide an evaluation of the information transfer for each modality.

Detects abnormal behavior using motor power consumption

  • Kim, KiHwan;Ryu, Su-Mi;Kim, Min-Kyu;Kang, Young-Jin;Kim, HyunHo;Lee, HoonJae;Lee, Jin-Heung
    • Journal of the Korea Society of Computer and Information
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    • v.23 no.10
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    • pp.65-72
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    • 2018
  • In this paper, we used LSTM as a method to detect abnormal behavior of motors. We fixed the high layout size to 1 and changed the range of the input values and the neural network structure to see what change in power consumption prediction. Now, as the fourth industrial revolution era, smart factories are attracting attention. All the physical actions of smart factories are done using motors. Continuous monitoring of motor malfunctions helps to detect malfunctions and efficient operation. However, it is difficult to acquire the power consumption constantly due to the influence of the noise. We have experimented with a simple experimental environment, a method of predicting similarity to input data by adjusting the range of the input data or by changing the neural network structure.

Ubiquitous Computing Technology Based Environmental Monitoring and Diagnosis System : Architecture and Case Study (유비쿼터스 컴퓨팅 기술 기반 환경 모니터링/진단 시스템의 아키텍처 및 사례 연구)

  • Yoon, Joo-Sung;Hwang, Jung-Min;Suh, Suk-Hwan;Lee, Chang-Min
    • Journal of Korean Institute of Industrial Engineers
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    • v.36 no.4
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    • pp.230-242
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    • 2010
  • In this paper, an environmental monitoring and diagnosis system based on ubiquitous computing technology, shortly u-Eco Monitoring System, is proposed. u-Eco Monitoring System is designed to: 1) Collect information from the manufacturing processes via ubiquitous computing technology, 2) Analyze the current status, 3) Identify the cause of problem if detected by rule-based and case-based reasoning, and 4) Provide the results to the operator for proper decision making. Based on functional modeling, a generic architecture is derived, followed by application to a manufacturing system in iron and steel making industry. Finally, to show the validity of the proposed method, a prototype is developed and tested. The developed methods can be used as a conceptual framework for designing environmental monitoring and diagnosis system for industrial practices by which monitoring accuracy and response time for abnormal status can be significantly enhanced, and relieving operator pressure from manual monitoring and error-prone decision making.

Study about the home network system implementation that used an ubiquitous sensor network (유비쿼터스 센서 네트워크을 이용한 홈네트워크 시스템 구현에 관한 연구)

  • Nam, Sang-Yep;Park, Chun-Myoung
    • Proceedings of the IEEK Conference
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    • 2007.07a
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    • pp.479-480
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    • 2007
  • It is study about implementation of the home network system that used an ubiquitous sensor network and an embedded system in this paper. PXA270 and CC2420 were used, and the home server of a wireless sensor home network system composed it. A wireless control system is composed of a gas valve, a DC motor, a lamp and a door rock. A wireless detection system is composed of a gas detection sensor, a movement detection sensor, an extension detection sensor The wireless detection system that was an environment sensing system was composed of temperature, humidity, mic, illuminance, a speed-up, infrared rays temperature sensing module, and modular, other RFID established an USB camera, and an ubiquitous home network was composed.

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Suggestion of the Structure for Development of Smart Pants with Vibrating Massaging Function (진동 안마 기능의 스마트 팬츠 개발을 위한 설계 제안)

  • Choi, Sun-Yoon;Lee, Jeong-Ran
    • Fashion & Textile Research Journal
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    • v.9 no.3
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    • pp.327-335
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    • 2007
  • As the digital environment gets ubiquitous, domestic and international research and development on smart clothing is being conducted actively these days. However, most research is being carried out with its center on upper garment. So research on lower garment is insufficient even though it affects wearer's activity and comfort to a great extent when digital devices are attached or wearers moves their body. Therefore, the type of clothes this research proposes is men's formal pants which have an electrically-vibrating wearable device. These are smart pants which are helpful in easing muscle pain with their massaging effect in daily life. For this purpose, this research intends to develop patterns considering the body shapes and movements of wearers and suggest a tentative structure plan for smart pants where a vibration device is attached, which is mainly composed of vibrating motor, controller, and switch, and considered their bulks, numbers, attaching places.

The Development and Operation of NFC-based Exhibition Support Service : A Motor Show Case (근접 무선 통신 기반 박람회 지원 서비스의 구축 및 운영 : 모터쇼 적용 사례)

  • Jun, Jungho;Choi, Myoung Hee;Lee, Kyoung Jun
    • Journal of Information Technology Services
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    • v.13 no.2
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    • pp.83-97
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    • 2014
  • With NFC technology, visitors can easily enjoy exhibit-related information and services. The participating firms can accumulate the visitor data and build up networks with potential visitors. This paper is to report an implementation and operation case of an NFC-based exhibition support service which creates new value as above. For this objective, we introduce the issues in constructing NFC-based exhibition support service. Moreover, we analyze visitor behaviors based on the tag touch data collected, and calculate the economic values generated. The NFC-based exhibition support service in this paper was applied to Hyundai Motors' booth in the 2013 Seoul Motor Show. This paper concludes with implications for business operators that are interested in applying NFC technology to exhibition spaces.

Development of the Mechanical Power Monitoring System for Planetary Reduction Motor using Hall Effect Sensor (홀 이펙트 센서를 이용한 유성기어 감속기모터의 동력 모니터링 시스템 개발)

  • 장인훈;오세훈;심귀보
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2004.10a
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    • pp.201-204
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    • 2004
  • 감속기가 사용되어지는 경우 부하의 변동이나 구동부의 상태변화에 따라 모터의 토크, 회전수 등이 변하는데 이러한 값들을 모니터링 하면 부하의 변동이나 구동부를 진단할 수 있다. 본 논문은 유성기어를 이용한 기어드 모터를 제작하고, LCD를 포함하는 간단한 사용자 인터페이스를 통해 전달 Torque, 전달회전수(rpm), 전달동력을 확인할 수 있는 소형의 표시기가 있는 감속기에 관한 것이다. 일반적으로 전달 토크를 측정하는 장비는 크기가 크고 고가이며 계측기를 연결하고 측정하는 과정이 매우 번거로울 뿐만 아니라 지속적인 유지보수가 필요한 단점이 있다. 본 논문에서 제안하는 유성기어를 사용하면 간단히 모터의 토크 및 회전수를 측정할 수 있고 측정값을 표시하는 표시기를 모터에 부착할 수 있다. 측정 및 표시기는 기존 가격에 비해 매우 값싸게 제작할 수 있고 유지보수가 필요 없으며 검출 값을 시스템 제어부에 피드백 시키면 자기진단이 가능해진다. 특히 블루투스를 이용한 무선 통신기능을 부과하면 원격 모니터링이 가능하고 복수 모터유닛의 네트워크 구성이 용이하며 인터넷을 통한 데이터 통신으로의 확장이 가능하다.

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Identification and Expression Patterns of kif3bz during the Zebrafish Embryonic Development

  • Lee, A-Ram;Rhee, Myung-Chull
    • Animal cells and systems
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    • v.13 no.4
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    • pp.411-418
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    • 2009
  • We are reporting the identification, expression patterns, and possible biological functions of zebrafish kif3b (kif3bz) encoding 475 amino acids. Kif3Bz contains the kinesin motor domain, catalytic domain, KISc domain, and one single coiled coil domain. Phylogenetic analysis indicates that kif3bz is a highly conserved gene among the tested vertebrates. First of all, both maternal and zygotic messages of kif3bz were evenly distributed in the blastomeres at 2-cell stage. Its ubiquitous expression throughout the blastomeres continued till 40% epiboly. However, kif3bz transcripts became restricted in Kupffer's vesicle at tailbud and 6-somite stages. At 13-somite stage, kif3bz expression pattern became specific to the telencephalon, diencephalon, trigeminal placode, and somites. Such expression patterns were further intensified in the telencephalon, diencephalons, hind brain, pronephric ducts, optic vesicles, and spinal cord neurons in the 23-somite stage embryos, and last till 24 hpf. We discussed possible functions of Kif3Bz related to the vertebrate embryonic development.

A Study on Accelerometer Based Motion Artifact Reduction in Photoplethysmography Signal (가속도계를 이용한 광전용적맥파의 동잡음 제거)

  • Kang, Joung-Hoon;Cho, Baek-Hwan;Lee, Jong-Shill;Chee, Young-Joon;Kim, In-Young;Kim, Sun-I.
    • Journal of Biomedical Engineering Research
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    • v.28 no.3
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    • pp.369-376
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    • 2007
  • With the convergence of ubiquitous networking and medical technologies, ubiquitous healthcare(U-Healthcare) service has come in our life, which enables a patient to receive medical services at anytime and anywhere. In the u-Healthcare environment, intelligent real-time biosignal aquisition/analysis techniques are inevitable. In this study, we propose a motion artifact cancelation method in portable photoplethysmography(PPG) signal aquisition using an accelerometer and an adaptive filter. A preliminary experiment represented that the component of the pedestrian motion artifact can be found under 5Hz in the spectral analysis. Therefore, we collected PPG signals under both simulated conditions with a motor that generates circular motion with uniform velocity (from 1 to 5Hz) and a real walking condition. We then reduced the motion artifact using a recursive least square adaptive filter which takes the accelerometer output as a noise reference. The results showed that the adaptive filter can remove the motion artifact effectively and recover peak points in PPG signals, which represents our method can be useful to detect heart rate in real walking condition.

Complete Sequence of a Gene Encoding KAR3-Related Kinesin-like Protein in Candida albicans

  • Kim Min-Kyoung;Lee Young Mi;Kim Wankee;Choi Wonja
    • Journal of Microbiology
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    • v.43 no.5
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    • pp.406-410
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    • 2005
  • In contrast to Saccharomyces cerevisiae, little is known about the kinesin-like protein (KLP) in Candida albicans. The motor domain of kinesin, or KLP, contains a subregion, which is well conserved from yeast to humans. A similarity search, with the murine ubiquitous kinesin heavy chain region as a query, revealed 6 contigs that contain putative KLPs in the genome of C. albicans. Of these, the length of an open reading (ORF) of 375 amino acids, temporarily designated CaKAR3, was noticeably short compared with the closely related S. cerevisiae KAR3 (ScKAR3) of 729 amino acids. This finding prompted us to isolate a ${\lambda}$ genomic clone containing the complete CaKAR3 ORF, and here the complete sequence of CaKAR3 is reported. CaKAR3 is a C-terminus motor protein, of 687 amino acids, encoded by a non-disrupting gene. When compared with ScKAR3, the amino terminal region of 112 amino acids was unique, with the middle part of the 306 amino acids exhibiting $25\%$ identity and $44\%$ similarity, while the remaining C-terminal motor domain exhibited $64\%$ identity and $78\%$ similarity, and have been submitted to GeneBank under the accession number AY182242.