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Relevant bibliographies by topics / Mechanical Sensor Heads

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Academic literature on the topic 'Mechanical Sensor Heads'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Mechanical Sensor Heads"

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Fang, Kun, Chengyin Liu, and Jun Teng. "Cluster-based optimal wireless sensor deployment for structural health monitoring." Structural Health Monitoring 17, no. 2 (2017): 266–78. http://dx.doi.org/10.1177/1475921717689967.

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A well-designed wireless sensor deployment method not only directly influences the number of deployed sensors and data accuracy, but also influences on network topology. As most of the energy cost comes from the transmission and receiving of data packets, clustering optimization in wireless sensor network becomes an important issue for energy-efficient coordination among the densely deployed nodes for data communication. In a typical hierarchical wireless sensor network, total intra-cluster communication distance and total distance of cluster heads to base station depend on number of cluster h

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Quan, Lue, Yuki Shimizu, Ryo Sato, et al. "Design and Testing of a Compact Optical Angle Sensor for Pitch Deviation Measurement of a Scale Grating with a Small Angle of Diffraction." International Journal of Automation Technology 16, no. 5 (2022): 572–81. http://dx.doi.org/10.20965/ijat.2022.p0572.

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The design and testing of different optical heads were performed to evaluate the pitch deviation of a diffraction scale grating with a small diffraction angle. Based on the proposed pitch deviation evaluation method employing optical angle sensors based on laser autocollimation, a modified optical head with position-sensitive detectors (PSDs) is first designed and constructed by following the conventional optical configuration. Owing to the small angle of diffraction of the first-order diffracted beams, the modified optical head has a large working distance, resulting in poor sensor stability.

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Masunaga, Seiji, and Kenzo Nonami. "Controlled Metal Detector Mounted on Mine Detection Robot." International Journal of Advanced Robotic Systems 4, no. 2 (2007): 26. http://dx.doi.org/10.5772/5692.

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Landmine detection capability of metal detectors is very sensitive to the gap between buried landmines and the sensor heads. Therefore, human deminers manually scan ground surface with the metal detectors in such a manner that the sensor heads follow the ground surface. In case of robots assisted landmine detection, this function can be performed accurately and safely by controlling the gap and attitude of the sensor heads. In this investigation, the effectiveness of the gap and attitude control of the sensor head by some mechanical manipulator on the landmine detection performance has been ad

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Li, Yufeng, and Aric R. Kumaran. "The Determination of Flash Temperature in Intermittent Magnetic Head/Disk Contacts Using Magnetoresistive Heads: Part I—Model and Laser Simulation." Journal of Tribology 115, no. 1 (1993): 170–78. http://dx.doi.org/10.1115/1.2920972.

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The feasibility of using a magnetoresistive magnetic head to determine the flash temperature of intermittent magnetic head/disk contacts is investigated. A finite difference model is developed to study the effects of the magnetoresistive sensor height, the contact power intensity and the contact duration on the temperature response characteristics of the magnetoresistive sensor. A pulsed neody-minum:yttrium-aluminum-garnet laser is used as the heat source to simulate the contact and verify the model. The simulation results agree well with the theoretical model. Based on the theoretical model a

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Gatzen, Hans H., Norman Muenter, Binghe Ma, and Caspar Morsbach. "Thermal sensor for in situ flying height measurements of optical flying heads." Tribology International 38, no. 6-7 (2005): 594–98. http://dx.doi.org/10.1016/j.triboint.2005.01.020.

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Li, Yufeng, and Aric R. Kumaran. "The Determination of Flash Temperature in Intermittent Magnetic Head/Disk Contacts Using Magnetoresistive Heads: Part II—Experimental Investigation." Journal of Tribology 115, no. 1 (1993): 179–84. http://dx.doi.org/10.1115/1.2920973.

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The flash temperature during intermittent head/disk contacts was measured using specially fabricated magnetoresistive heads. Microasperities were intentionally created on disk substrates, and ZrO2 was sputtered on disc surfaces as overcoat. It was found that with a disk spinning speed of 20 m/s, flash temperature could reach 50 to 100°C for transient contact (head was moving in disk radial direction), but less than 40°C for dwell on track contact (head was stationary). The contact times were in the range from submicroseconds to several microseconds, contact widths on the order of several micro

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K, Ramesh, Renjith P. N, M. AntoBennet, and S. Balasubramani. "Certain Investigation on Improved Cluster Protocol with Trust security for Wireless Sensor Networks." International Journal of Electrical and Electronics Research 10, no. 4 (2022): 1043–49. http://dx.doi.org/10.37391/ijeer.100447.

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Immense development of Micro Electro Mechanical Systems (MEMS) made an incredible advancement in wireless technology. The Wireless Sensor Network (WSN) has created many opportunities for the development of various applications in the fields of military, research, medical, engineering, etc. In this research article, a novel trust-based energy-aware clustering protocol is proposed. The clustering algorithm concentrates on reducing the time spent on cluster formation, controlling redundant data forwarding, and prolonging the network's lifespan. In this model, clustered nodes are classified into t

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Zabihi-Hesari, Alireza, Saeed Ansari-Rad, Farzad A. Shirazi, and Moosa Ayati. "Fault detection and diagnosis of a 12-cylinder trainset diesel engine based on vibration signature analysis and neural network." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 6 (2018): 1910–23. http://dx.doi.org/10.1177/0954406218778313.

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This paper presents a condition monitoring and combustion fault detection technique for a 12-cylinder 588 kW trainset diesel engine based on vibration signature analysis using fast Fourier transform, discrete wavelet transform, and artificial neural network. Most of the conventional fault diagnosis techniques in diesel engines are mainly based on analyzing the difference of vibration signals amplitude in the time domain or frequency spectrum. Unfortunately, for complex engines, the time- or frequency-domain approaches do not provide appropriate features solely. In the present study, vibration

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Zhang, Yuntao, Wenge Wu, Yanwen Han, Haijun Wen, Yunping Cheng, and Lijuan Liu. "Design and Analysis of a Turning Dynamometer Embedded in Thin-Film Sensor." Micromachines 10, no. 3 (2019): 210. http://dx.doi.org/10.3390/mi10030210.

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This paper proposes a high-strain sensitivity turning dynamometer that combines several thin-film resistor grids into three Wheatstone full-bridge circuits that can measure triaxial cutting forces. This dynamometer can replace different cutter heads using flange connections. In order to improve the strain effect of the dynamometer, the strain film sensor is fixed on the regular octagonal connection plates on both ends of the elastomer by vacuum brazing, and the stepped groove structure is also designed inside the elastomer. The dynamometer model is simplified as a four-segment cantilever beam

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Guo, Zhihui, Hongbin Chen, and Shichao Li. "Deep Reinforcement Learning-Based One-to-Multiple Cooperative Computing in Large-Scale Event-Driven Wireless Sensor Networks." Sensors 23, no. 6 (2023): 3237. http://dx.doi.org/10.3390/s23063237.

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Emergency event monitoring is a hot topic in wireless sensor networks (WSNs). Benefiting from the progress of Micro-Electro-Mechanical System (MEMS) technology, it is possible to process emergency events locally by using the computing capacities of redundant nodes in large-scale WSNs. However, it is challenging to design a resource scheduling and computation offloading strategy for a large number of nodes in an event-driven dynamic environment. In this paper, focusing on cooperative computing with a large number of nodes, we propose a set of solutions, including dynamic clustering, inter-clust

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Dissertations / Theses on the topic "Mechanical Sensor Heads"

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Aksu, Alper. "BENCH-TOP VALIDATION OF INTELLIGENT MOUTH GUARD." Cleveland State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=csu1373377234.

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Ollivier, Matthieu. "Rôle des anomalies de transmission des contraintes dans la pathogénèse des maladies fémoro-acétabulaires." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4094/document.

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Dans le cadre de ce travail de thèse nous nous sommes intéressés à deux pathologies fémoro-acétabulaires dont la pathogénie semble liée aux « conditions biomécaniques » locales. La première partie de cette thèse était consacrée à l’analyse de l’influence de l’anatomie osseuse sur l’apparition de l’ostéonécrose aseptique de la tête fémorale. Nous avons réalisé des analyses analytique de l’anatomie des patients souffrant d’ONA (notre hypothèse était que nous retrouverions un profil anatomique particulier chez les patients souffrant d’ONA par rapport à la population générale.Nos résultats démontr

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Parida, Om Prakash. "Design, Development and Validation of High Performance Fiber Bragg Grating Accelerometers." Thesis Full text, 2020. https://etd.iisc.ac.in/handle/2005/4709.

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Fiber Bragg grating (FBG) accelerometers have attracted the attention of researchers as an efficient and attractive alternative to conventional electrical accelerometers. They exploit the remarkable sensing capabilities of the FBG in combination with varieties of novel mechanical sensor heads. The FBG is an intrinsic optical sensor, which provides the measurand information in the wavelength-encoded format. The FBG accelerometers are light, compact, less noisy, highly sensitive, immune to electromagnetic interference, capable of sensing efficiently in harsh environments, and fit to carry out di

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Books on the topic "Mechanical Sensor Heads"

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Lederer, Gregor. Rocket Engine on a Student Budget. Technische Universität Dresden, 2021. http://dx.doi.org/10.25368/2022.406.

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A technical project alongside the University courses can deepen the understanding and increase the motivation for the subject of choice. As a student, there is often a hurdle to start such a project because of a lack of inspiration. And even after overcoming this, the costs associated with such a project may put students off. With my project I show how a 3rd semester Mechanical Engineering student can design and manufacture a rocket engine with all testing components on a student budget. Cost structure and resource planning are explained in detail. I launched the project in December 2020 and i

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Book chapters on the topic "Mechanical Sensor Heads"

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Kocian, Dean F., and H. Lee Task. "Visually Coupled Systems Hardware and the Human Interface." In Virtual Environments and Advanced Interface Design. Oxford University Press, 1995. http://dx.doi.org/10.1093/oso/9780195075557.003.0014.

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A visually coupled system (VCS) has been defined as “ . . . a special ‘subsystem’ which integrates the natural visual and motor skills of an operator into the system he is controlling” (Birt and Task, 1973). A basic VCS consists of three major components: (1) a head- or helmet-mounted (or head-directed) visual display, (2) a means of tracking head and/or eye pointing direction, and (3) a source of visual information which is dependent on eye/head viewing direction. The concept of a VCS is relatively simple: an operator looks in a particular direction, the head or eye tracker determines what that direction is, and the visual information source produces appropriate imagery to be viewed on the display by the operator. In this manner the operator is visually coupled to the system represented by the visual information source. The visual information source could be a physical imaging sensor such as a television camera or it could be a synthetic source such as computer-generated imagery (the basis for a virtual reality (VR) or virtual environment system). Thus, a VR system is really a subset of a VCS which can present both real-world and virtual information to an operator, often on a see-through display. The display is usually a helmet/head-mounted display (HMD) but it could also be the interior of a dome capable of displaying a projected image or it could be a mechanically mounted display that is not supported by the head but is attached to the head which in recent times has been referred to as a binocular omni-oriented monitor (BOOM) display. Both eye-tracking and head-tracking devices have been developed but by far the least expensive and most widely used is head tracking (this is based on the reasonable assumption that the eyes will be looking in the general direction that the head is pointing). Figures 6-1 through 6-4 are photographs of some early helmet-mounted and BOOM displays. In this chapter we will concentrate primarily on helmet/head-mounted displays and helmet/head trackers. This section describes each of the three main components of a visually coupled system and defines characteristics that are used in the specification of these components.

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Conference papers on the topic "Mechanical Sensor Heads"

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Arminger, Bernd R., and Bernhard G. Zagar. "Identification of scanning probe microscopes sensor heads and validation of a mechanical model by a laser vibrometer." In SPIE Scanning Microscopy, edited by Michael T. Postek, Dale E. Newbury, S. Frank Platek, and David C. Joy. SPIE, 2009. http://dx.doi.org/10.1117/12.821781.

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Lang, Haoxiang, Ying Wang, and Clarence W. de Silva. "Fault Diagnosis of an Industrial Machine Through Neuro-Fuzzy Sensor Fusion." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42323.

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In this paper a neuro-fuzzy approach of multi-sensor fusion is developed for a fault diagnosis system. The approach is validated by applying it to a machine called the Iron Butcher, which is used in industry for the removal of heads in fish prior to further processing for canning. An important goal of this approach developed in this paper is to make an accurate decision of the machine condition by fusing information from different sensors. Specifically, sound, vibration and vision measurements are acquired from the machine using a microphone, an accelerometer and a digital CCD camera, respecti

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Rooks, Tyler F., Andrea S. Dargie, and Valeta Carol Chancey. "Machine Learning Classification of Head Impact Sensor Data." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-12173.

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Abstract A shortcoming of using environmental sensors for the surveillance of potentially concussive events is substantial uncertainty regarding whether the event was caused by head acceleration (“head impacts”) or sensor motion (with no head acceleration). The goal of the present study is to develop a machine learning model to classify environmental sensor data obtained in the field and evaluate the performance of the model against the performance of the proprietary classification algorithm used by the environmental sensor. Data were collected from Soldiers attending sparring sessions conduct

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Brown, Brandon A., Ray W. Daniel, Valeta Carol Chancey, and Tyler F. Rooks. "Parametric Evaluation of Head Center of Gravity Acceleration Error From Rigid Body Kinematics Assumptions Used in Environmental Sensors." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-69334.

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Abstract Environmental sensors (ES) are a proposed way to identify potentially concussive events using Rigid Body Kinematics (RBK) to get motion at the head CG. This study systematically investigated the extent that errors in RBK assumptions including sensor orientation (SO), head CG position (HCGP), and exposure severity contribute to errors in sensor readings of predicted peak resultant linear acceleration (PRLA) at the head CG. Simulated sensor readings were defined by idealized representations of head motion [extension, lateral bending and axial rotation] using a half sine pulse for linear

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Rapo, Mark, Christopher Ostoich, Brett Juhas, Brian Powell, and Philemon Chan. "Free-Field Blast Loading for TBI and Lung Injury Correlation." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-53033.

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This paper presents a study to provide guidance on the use of body-worn blast overpressure sensors to predict the risk of blast induced closed head trauma and lung injury. Data collected from blast sensor systems, when used in combination with modeling and simulation, can recreate the full loading on the warfighter [1]. Using field blast data from a 4 sensor time-synched blast system, the incident blast wave and direction was reconstructed and used as input to computational fluid dynamic (CFD) simulations of blast impacting an outfitted warfighter. Pressures around the head and underneath the

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Fetchko, Travis, Grace Boudreau, Megan Roach, Kenneth Cameron, and Tyler Rooks. "Video Verification of an Instrumented Mouthguard in American Collegiate Men’s Rugby." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-94439.

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Abstract There are few published studies investigating wearable head impact sensors which focus on rugby. Devices mounted externally on the head can shift or be fully removed during normal play. Investigation into the use of instrumented mouthguards in rugby has recently begun. However, different devices and their associated software have varying reliability in helmeted vs. non-helmeted sports which must be verified. This study implemented the Impact Monitor Mouthguard device in male American collegiate rugby players, and used video-verification to assess the reliability of the device’s validi

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Dabiri, Arman. "Micro Double Pressure Sensor for Measuring the Applying Forces in Balloon Angioplasty." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65705.

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This paper describes a new catheter based on double pressure sensor for measuring reaction forces of cardiovascular vessel walls in balloon angioplasty. This medical device is based on Wheatstone bridge and a passive transformer module. It assists cardiologists to measure reaction forces exiting between the catheter and the vascular wall. Reaction forces on the catheter can be grouped into two types: 1) reaction forces on the catheter head and 2) reaction forces between the balloon and the vascular wall. Its new proposed transducer module aids doctors decrease cardiology steps leading to the r

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Juhas, Brett D., Jessica M. Wong, Nicole J. Boroumand, and Paul H. Rigby. "Semi-Rigid Helmet Rotation Measurement Using Linear Accelerometers." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64677.

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The number of sensors placed on warfighters’ personal protective equipment (PPE) continues to increase each year. It is important to be able to accurately measure the dynamic response of PPE in order to characterize new sensors that are meant to track warfighter movement. In an effort to help predict head motion, a method has been developed to accurately measure the angular and linear acceleration of a semi-rigid helmet using four triaxial linear accelerometers. This four-accelerometer array configuration is based on the 3-2-2-2 nine accelerometer package (NAP) method and was tailored to accur

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Li, Zheng Yuan, Sae Whan Park, Yong Seok Inh, Jong Yoon Choi, and Ja Choon Koo. "Parallel Micro Manipulator for Effective Optical Spot Array Alignment." In ASME 2014 Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/isps2014-6929.

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Photolithography is one of the core technologies of micro-nano fabrication. Recently, lithography technology is applied to diverse field of technologies. These technologies include MEMS (micro electro mechanical system) devices, FPD (flat panel display), and semiconductor industry. When it comes to the typical exposure process of lithography technology, photomask costs is occupying large portion of the optical system. So, how to reduce the cost of the mask and employing maskless lithography technology has become an important issue to engineers. Although there being both advantages and disadvan

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Jeon, D. J., T. Y. Noh, C. W. Jung, Y. S. Lee, and Y. C. Oh. "Development of Grinding Robot System for Engine Cylinder Liner’s Oil Groove." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86212.

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An engine for marine propulsion and power generation consists of several cylinder liner-piston sets. And the oil groove is on the cylinder liner inside wall for the lubrication between piston and cylinder. The grinding processes of oil groove have been carried by manual work so far, because of the diversity of the shape. Recently, we developed an automatic grinding robot system for oil groove grinding of engine cylinder liners. It can cover various types of oil grooves and adjust its position by itself. The grinding robot system consists of a robot, a grinding tool head, sensors, a control sys

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