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Dissertations / Theses on the topic 'Triaxial accelerometer'

Author: Grafiati

Published: 4 June 2021

Last updated: 19 February 2023

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1

MORIKAWA, SERGIO RICARDO KOKAY. "TRIAXIAL BRAGG GRATING ACCELEROMETER." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2004. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=5413@1.

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AGÊNCIA NACIONAL DE PETRÓLEO<br>TRANSMISSÃO DE ENERGIA ELÉTRICA S.A<br>Desde o final da década de 80 a indústria de fibras óticas têm passado por avanços consideráveis. Através de técnicas controladas, as fibras ópticas podem gerar sinais associados a uma vasta gama de grandezas físicas funcionando como sensores denominados de Sensores a Fibra Óptica (SFO s). Diversas técnicas podem ser empregadas para tal, e entre as existentes a baseada em redes de Bragg é a que mais tem se destacado. O interesse por transdutores empregando esta técnica se justifica pelas vantagens proporcionadas pel

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Mathie, Merryn Joy Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Monitoring and interpreting human movement patterns using a triaxial accelerometer." Awarded by:University of New South Wales. School of Electrical Engineering and Telecommunications, 2003. http://handle.unsw.edu.au/1959.4/27386.

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This thesis addresses the hypothesis that a single, waist-mounted triaxial accelerometer (TA) can be used to monitor human movement patterns in unsupervised, freeliving subjects over extended periods, and that it can be used to quantitatively measure parameters that can provide clinical insight into the health status of the subject. A rigorous theoretical and experimental understanding of the signals obtained from a TA is developed. The effect of the placement of the TA device on the waist is explored and a model relating device position to TA signal is developed for a range of postures and ac

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Elliott, Richard A. "A user interactive calibration program for an object tracking system using a triaxial accelerometer." Honors in the Major Thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1799.

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A major method in object tracking systems and other inertial measurement devices resolves around the use of one, two, or three axis accelerometers. A leader in the field such devices is Microstrain Incorporated. They have developed a three axis accelerometer that uses a three axis magnetic sensor array to compute the pitch, roll, and yaw of a compact inertial measurement unit. In researching such devices, it became apparent that data collected using such units is extremely sensitive both to local magnetic fields and human interactions with the devices. It is therefore of great importance to en

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Peregino, Philip J. II, and Edward F. Bukowski. "DEVELOPMENT, EVALUATION AND IMPLEMENTATION OF A SURFACE-MOUNT, HIGH-G ACCELEROMETER." International Foundation for Telemetering, 2007. http://hdl.handle.net/10150/604516.

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ITC/USA 2007 Conference Proceedings / The Forty-Third Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2007 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>The Endevco model 7270A high-g accelerometer has been used successfully in numerous flight tests at the U.S. Army Research Laboratory. The accelerometer is available in ranges as low as 6,000 g’s up to 200,000 g’s so they can be used in a variety of situations to measure setback, set forward and balloting in artillery rounds, mortars and tank projectiles to name a few. However, one of the disa

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Robért, Bradley Duane. "Validation and implementation of a remote three-dimensional accelerometer monitoring system for evaluating behavior patterns in cattle." Thesis, Kansas State University, 2010. http://hdl.handle.net/2097/4144.

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Master of Science<br>Department of Clinical Sciences<br>Robert L. Larson<br>Bradley J. White<br>We performed research that investigated the ability of three dimensional accelerometers to classify cattle behavior and also describe the circadian patterns within that behavior. The first of three studies (validation study) tested a decision tree classification system and its ability to describe behaviors of lying, standing, and walking. Classification accuracies for lying, standing, and walking behaviors were 99.2%, 98.0%, and 67.8% respectively, with walking behavior having significantly lower

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Singh, Rohitpal. "An Approach for Deliberate Non-Compliance Detection during Opioid Abuse Surveillance by a Wearable Biosensor." Digital WPI, 2018. https://digitalcommons.wpi.edu/etd-theses/1260.

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Wearable sensors can be used to monitor opioid use and other key behaviors of interest, and to prompt interventions that promote behavioral change. The effectiveness of such systems is threatened by the potential of a subject's deliberate non-compliance (DNC) to the monitoring. We define deliberate non-compliance as the process of giving one's device to someone else when surveillance is on-going. The principal aim of this thesis is to develop an approach to leverage movement and cardiac features from a wearable sensor to detect such deliberate non-compliance by individuals under surveillance f

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Zhuang, Yuwen. "Metric Based Automatic Event Segmentation and Network Properties Of Experience Graphs." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337372416.

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Silva, Anderson Braulio Nobrega da. "Um modelo de unidade de medida inercial utilizando tr?s aceler?metros triaxiais." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15500.

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Made available in DSpace on 2014-12-17T14:56:18Z (GMT). No. of bitstreams: 1 AndersonBNS_DISSERT.pdf: 1465627 bytes, checksum: c03d80fd5309916ed15fcc6c0a45c8a8 (MD5) Previous issue date: 2013-10-07<br>No espa?o tridimensional, um corpo r?gido qualquer pode efetuar transla??es e ou rota??es em rela??o a cada um de seus eixos. Identificar com precis?o o deslocamento realizado por um corpo ? fundamental para alguns tipos de sistemas em engenharia. Em sistemas de navega??o inercial tradicionais, utilizam-se aceler?metros para reconhecer a acelera??o linear e girosc?pios para recon

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9

Yu-JhenHo and 何域禎. "Walking pattern classification and distance estimation using a triaxial accelerometer." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/21110955701208725261.

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Wang, Wei-Kai, and 王煒剴. "Design and Evaluation of Tilt-meter Based on Digital Triaxial Accelerometer." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/80812499264348292936.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>102<br>During construction phase of engineering projects, monitoring system must be set up to monitor surroundings and adjacent structures. This system ensures their serviceability and safety are not affected by engineering activities. Automated monitoring systems that are correctly set up is proven to be effective to achieve the above mentioned goal. They can be used to setup alarm before accident occurs, and they can provide information for remedial measures after accident occurs. In this research, a prototype tilt-meter based on high-resolution digital triaxial

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Chen, Chung-Yi, and 陳重亦. "The Design and Implementation of Fall Detection based on Triaxial Accelerometer." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/45338136071576233345.

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碩士<br>國立中正大學<br>電機工程研究所<br>101<br>Since 1993, Taiwan has entered population-aging society. Elderly population aged over 65 has increased steadily proportion. Due to the population structure alteration, the elderly problems and life needs will change. With the elderly physical degradation, accidental deaths caused by falls has become an unavoidable issue. About falls prevention and rescue research in recent years has become a topic of attention. In this thesis, we proposed an acceleration fall detection system which has fall detection, pedometer and unsteady gait detection. In this thesis, we

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Peng, Jiug-Jun, and 彭敬鈞. "A Research on Structural Health Monitoring for Bridge Using Triaxial Accelerometer." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/47df9v.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>105<br>In this thesis, we aim to focus on the latest technologies and developments in the field of Structural health monitoring (SHM). This study explores the accelerometers for measuring structural vibration, from which structural health and post-event damage can be diagnosed. The concentration for low cost sensing, power saving (only use AAA battery), easy installation, local saving data, calculation (FFT) on chip are focused in this study. The constructed device comprises a System on Chip (SoC) platform, accelerometers, power converter, and SD card, LoRa module, e

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Jyun-LinGuo and 郭俊麟. "Combining Waveform and Wavelet Analysis on a Triaxial Accelerometer for Activity Classification." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/66460398030901610754.

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Ting-Lin, Chu, and 朱廷霖. "Combined with Triaxial Accelerometer and Bluetooth Module to Implement Electrical Wheelchair Design." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/07847580494692766945.

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碩士<br>中華科技大學<br>電子工程研究所碩士班<br>102<br>The article establishes a digitalized electrical wheelchair, which includes three operation modes of tri-axis accelerometer remote control, supersonic auto-tracking and electronic compass auto-positioning, with 320x240 graphic mode LCD monitor as user interface, showing the present wheelchair status and vicinity environmental information. The tri-axis accelerometer adopts MEMS (micro electro mechanical system) processing, and its application includes motion detection, tilt detection and collision detection. With each measured axial acceleration component, t

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Peng, Shin-hua, and 彭信華. "The design and verification of a tilt-measuring device based on triaxial accelerometer." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/46601805259275829715.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>98<br>Building tilt is one of the key indicators in a field monitoring program when underground constructions are involved. By measuring building tilt, impact of construction activities on surrounding structures can be identified, and precautions can be taken before disaster strikes. In this research, a tilt-measuring device is developed based on triaxial accelerometers. By integrating accelerometer, high-resolution analog-digital converter, and embedded controllers, tilt can be measured. In this thesis, the process of developing the tilt-measuring device through s

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Chen, Yuh-Jiun, and 陳毓君. "The Energy Expenditure during Continuous and Intermittent Walking— RT3 Triaxial Accelerometer and Indirect Calorimetry." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/31265152469298623083.

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碩士<br>國立體育學院<br>運動傷害防護研究所<br>92<br>Purposes: The purposes of this study were (1) to investigate the validity of a triaxial accelerometer for measuring energy expenditure during treadmill walking. (2) to compare the oxygen consumption during continuous and intermittent treadmill walking. Method: Twenty young and apparently healthy subjects with mean age of 23.6 ± 2.3 years were recruited to participate in this study. The triaxial accelerometer (RT3, Stayhealthy, Inc.) and indirect calorimetry (SensorMedics, Vmas 29) were used simultaneously to measure the energy expenditure during exercise. All

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Huang, Su-Wei, and 黃思瑋. "Application of Triaxial Accelerometer for Vibration Signal Measurement and Fault Diagnosis of Rotating Machinery." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/55193409601638448893.

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碩士<br>正修科技大學<br>電機工程研究所<br>99<br>For normal operation of the rotating machinery, preventing and detecting the incipient faults of the machinery is an important task, especially in the production lines of the high-technology industry. If the incipient fault cannot be detected in its early stage, then it will lead to the serious faults. The close coupling of the machinery leads to the cause of its vibration faults more diverse and complicated; however, the vibration status is still a vital indicator for identifying whether the machinery operates normally or not. Therefore, rotating machines’ vib

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Wang, Pei-Fan, and 王佩凡. "Energy Expenditure during Forehand Table-Tennis Trial—Comparison between RT3 Triaxial Accelerometer and Indirect Calorimetry." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/33777473663608408396.

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碩士<br>國立體育大學<br>運動科學研究所<br>97<br>Purpose: The purposes of this study were to investigate the correlation between RT3 triaxial accelerometer and indirect calorimetry measurements; to compare data from three different stroke frequencies and from RT3 worn at different anatomic locations. Method: Twenty young healthy male table-tennis athletes (20.25 ± 1.65 years) with no known history of upper limbs injuries in the previous 6 months volunteered to participate in this study. The triaxial accelerometer (RT3, Stayhealthy, Inc.) and indirect calorimetry (SensorMedics, Vmax 29) were used simultaneousl

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Chang, Fu-Sung, and 張釜菘. "The application of using the SVM classifier in medical care- use the smartphone with triaxial accelerometer for the posture recognitionFu-Sung ChangInstitute of Information ManagementThe application of using the SVM classifier in medical care- use the smartphone with triaxial accelerometer for the posture recognitionFu-Sung ChangInstitute of Information ManagementThe application of using the SVM classifier in medical care- use the smartphone with triaxial accelerometer for the posture recognitionFu-Sung ChangInstitute of Information ManagementThe application of using the SVM classifier in medical care- use the smartphone with triaxial accelerometer for the posture recognition." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/02122812595966846129.

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碩士<br>國立高雄應用科技大學<br>資訊管理系<br>100<br>disease. The purpose of this research is aimed to use single 3 axis accelerometer which embedded in smart phone to develop an activity recognition system. It can detected and take down the 8 types of human daily activity and their duration. Besides, the user will be rewarded the record as a diet basis. It can be a self-exercise manager platform, moreover, can be used by medical organization. Through this system, doctor can provide user appropriate exercise suggestion which will help user to form exercise habit, and lower the morbidity of chronic disease. Fin

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(9809204), Harpreet Kour. "Exploring the maternal behaviour of north Australian beef cattle using precision livestock management technologies." Thesis, 2019. https://figshare.com/articles/thesis/Exploring_the_maternal_behaviour_of_north_Australian_beef_cattle_using_precision_livestock_management_technologies/13455065.

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This research explored the use of triaxial accelerometer fitted on right side of halter of calf to record its suckling behaviour under pastoral condition of north Australia beef farms. It also investigated various calf’s and cow’s factors effecting suckling behaviour of calf. The relationship between time spent by calf in suckling its dam and time spent by calf in close proximity to its dam was explored.

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Chen, Yi-Chun, and 陳宜君. "The dynamic balance assessments using triaxial accelerometers in the elderly." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/52251642395850835740.

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碩士<br>國立體育大學<br>運動保健科學研究所<br>98<br>Purpose: The feasibility of triaxial accelerometers (TAs) for the dynamic balance assessment in the elderly is still unknown. The purposes of this study were to investigate the correlation between TAs and the performance of clinical dynamic balance tests, and to compare the difference of three axes and three different positions of TAs. Method: Sixteen elderly, aged 65 and over, were recruited(mean age: 75.31 ± 6.17 yrs) to participate in this study. The TAs were placed at the following anatomic positions, the 7th cervical vertebra (C7), the 3rd lumbar vertebr

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Hsieh, Yu-Fang, and 謝瑜芳. "Assessment of Physical Activity Level in Stroke Patients useing Triaxial Accelerometers." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/93927891555858697019.

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碩士<br>國立體育大學<br>運動與健康科學學院<br>103<br>Background & Purpose: Stroke not only causes physical function impairment but also physical inactivity. Although maintaining higher physical activity level is important in preventing another stroke. In this research, the Triaxial Accelerometers (TA) we used to record the physical activity level at home for stroke patients. In order to use the TA records as a healthy index to remind the chronic stroke patients in participating in physical activity, relationship among functional ability and performance, abnormal muscle tone and history of fall in six months,an

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李燕茹. "The Correlation between Triaxial Accelerometor and Force Platform Measurements of Static Balance." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/11451955324663445615.

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碩士<br>國立體育大學<br>運動傷害防護研究所<br>95<br>Purpose: The purposes of this study were to investigate the correlation between RT3 triaxial accelermetor and force platform measurements and to compare data of three different static balance tests with RT3 worn at different anatomic positions. Method: Twenty young healthy subjects (aged: 22.50±2.37 years old) with no known history of balance disorders or musculoskeletal injuries in the previous 6 months voluntaried participating in this study. Four accelerometers were attached to lower back and dominant side of hip, knee and ankle for each subject while stan

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Pin-Feng, Kao, and 高斌峰. "Integration of ZigBee modules and triaxial accelerometers to improve indoor positioning performance." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/53219218792211633391.

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碩士<br>中華大學<br>機械工程學系碩士班<br>100<br>This research uses the ZigBee wireless sensor network (WSN) to monitor noble object movement. The ZigBee nodes use OctopusX-C modules. This device has CC2430 microcontroller, directional and omni-directional antennas, flash memory, USB interface, and I/O terminals to facilitate the transmission of USB interface. Only two AA-type batteries are needed to maintain low energy operation. This research uses Kalman filter to integrate OctopusX-C, and triaxial accelerometer sensors for object movement monitoring. Visual Basic 6.0 is applied for system programming

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Pin, Tsai Wen, and 蔡文彬. "Applying Six-Sigma to Die Bond Process Improvement for Piezoresistive Triaxial Accelerometers." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/87341825206249955758.

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碩士<br>明志科技大學<br>工業工程與管理系碩士班<br>102<br>Integrated circuit (IC) design industry is thriving in Taiwan. Under specialization and division of work, downstream IC assembly factories still have high growth potential. Because IC assembly industry varies from minute to minute, to promote product quality and industry competitiveness, IC assembly factories all try to take actions on the control of assembly process yield in order to build latest IC assembly process and create high value-added products to increase customer satisfaction. One of the important things is that the stress caused by die bond ste

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Liu, Che-Yu, and 劉哲瑀. "The correlation analysis of gait features and weight change based on wearable triaxial accelerometers." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/qgahn5.

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碩士<br>國立雲林科技大學<br>資訊工程系<br>106<br>Due to the development of modern science and Health concept of the rise, Whether it is because of fear of overweight brought about by physical illness or fitness must be the weight control. Weight has become a body signal that people very concerned. The purpose of this study is to use the triaxial acceleration to collect ankle signals to observe what changes in gait characteristics when weight changes .Through these changes to achieve a weight change identification system based on gait signal. We have twenty subjects, ten men and ten women, aged between 21 to

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