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Optical Sensors for Multi-Axis Angle and Displacement Measurement Using Grating Reflectors
2019
Sensors
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In dimensional metrology it is necessary to carry out multi-axis angle and displacement measurement for high-precision positioning. ...
Fabrication methods of a large-area planar scale grating based on a single-point diamond cutting with the fast tool servo technique and the interference lithography are also presented, followed by the ...
The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results. ...
doi:10.3390/s19235289
pmid:31805630
pmcid:PMC6928657
fatcat:ll4r4svhn5dnhokqjoiyxhwmna
A Design Study of a Heat Flow-Type Reading Head for a Linear Encoder Based on a Micro Thermal Sensor
2019
Nanomanufacturing and Metrology
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A new concept of reading head for a linear encoder, in which graduations on a scale grating are read by using a micro thermal sensor composed of a thin film resistor, is proposed to realize a compact encoder ...
In addition, basic experiments are carried out to search for the possibility of realizing the proposed concept of the reading head based on the micro thermal sensor. ...
Acknowledgement This research is supported by Japan Society for the Promotion of Science (JSPS). ...
doi:10.1007/s41871-019-00037-3
fatcat:k3nqp62qrbbohnzxpnntqkzpra
2019 Index IEEE Transactions on Instrumentation and Measurement Vol. 68
2019
IEEE Transactions on Instrumentation and Measurement
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Alhoshany, A., +, TIM Feb. 2019
392-401
Design and Implementation of a High-Sensitivity and Compact-Size IFM
Receiver. ...
Realization of Absolute Phase and AC Resistance of Current Shunts by Ratio Measurements. ...
Image scanners Nonlinear Reconstruction of Multilayer Media in Scanning Microwave Microscopy. Wei, Z., +, TIM Jan. 2019 197-205 ...
doi:10.1109/tim.2019.2956662
fatcat:kotlu7gwcngrdkelerc5va2hqe
Novel Designs for Application Specific MEMS Pressure Sensors
2010
Sensors
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In the framework of developing innovative microfabricated pressure sensors, we present here three designs based on different readout principles, each one tailored for a specific application. ...
A touch mode capacitive pressure sensor with high sensitivity (14 pF/bar), low temperature dependence and high capacitive output signal (more than 100 pF) is depicted. ...
Figure 1 . 1 Artistic view of a touch mode capacitive pressure sensors based on an array of capacitive elements. ...
doi:10.3390/s101109541
pmid:22163425
pmcid:PMC3231033
fatcat:yyne5feluzco5c3vkrbec5rdoq
Overview of applications of the sensor technologies for construction machinery
2020
IEEE Access
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Laser sensors are a kind of high-precision positioning and distance measurement sensor [67] . ...
The roller is equipped with a GPS satellite signal-receiving sensor and a GPS reference position device at the construction site, which are capable of high-precision positioning. ...
doi:10.1109/access.2020.3001968
fatcat:bbttnu5ahvbcdkrxdgf35wqkgy
A combined scanning PTV/LIF technique to simultaneously measure the full velocity gradient tensor and the 3D density field
2014
Measurement science and technology
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The new method allows for the first time to measure the full velocity gradient tensor and the three-dimensional density field simultaneously in a refractive index matched environment. ...
As a showcase, the new technique is applied to a gravity current flow and the measured data are validated by imposing various checks. ...
If it is realized, the very precise integer ambiguity-resolved carrier-phase data would then contribute to the estimation of the receiver's position, thus making (near) real-time precise point positioning ...
doi:10.1088/0957-0233/25/6/065301
fatcat:dj5gktj65rb2zbgxkqy6cqcmje
Micromachined Accelerometers with Sub-µg/√Hz Noise Floor: A Review
2020
Sensors
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Such sensors can mainly be categorized into: (i) micromachined accelerometers with a low spring constant; (ii) with a large proof mass; (iii) with a high quality factor; (iv) with a low noise interface ...
This paper reviews the research and development of micromachined accelerometers with a noise floor lower than 1 µg/√Hz. ...
Such a working principle allows a very high precision since a time measurement is performed rather than direct capacitive transduction. Garcia et al. ...
doi:10.3390/s20144054
pmid:32708191
fatcat:rtutnvh5wjf75j3v2y4jpbaqma
A 72 × 60 Angle-Sensitive SPAD Imaging Array for Lens-less FLIM
2016
Sensors
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An A-SPAD pixel consists of (1) a SPAD to provide precise photon arrival time where a time-resolved operation is utilized to avoid stimulus-induced saturation, and (2) integrated diffraction gratings on ...
Futhermore, the chip presented herein integrates pixel-level counters to reduce output data-rate and to enable a precise timing control. ...
We use a time gating method for its simplicity and compactness of circuitry, but introduce a dynamically programmable time shift on the gate, with fine temporal accuracy (∼100 ps), to enable sweeping of ...
doi:10.3390/s16091422
pmid:27598170
pmcid:PMC5038700
fatcat:dmqjx2oimjbt5bijvvryie462y
An optical readout system for the drag free control of the LISA spacecraft
2011
Astroparticle physics
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The relative position between each PM and the SC is measured, in six degrees of freedom, by the so-called inertial sensor (IS). ...
LISA is designed for the measurement of GWs in a very low frequency band (0.1-100 mHz). ...
Roscilli and G.Vitiello for their skillful assistance in the design and realization of the experimental set-up. ...
doi:10.1016/j.astropartphys.2010.10.014
fatcat:ineycutqnbcwxliieogfpdiwcu
Simultaneous Measurement Method and Error Analysis of Six Degrees of Freedom Motion Errors of a Rotary Axis Based on Polyhedral Prism
2021
Applied Sciences
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An error-sensitive unit which consists of a polyhedral prism and a planar reflector, is designed to carry out measurement of all six DOF errors, including the angular positioning error, the tilt motion ...
A novel method is proposed for measuring the six degrees-of-freedom (DOF) geometric motion errors of a rotary axis based on a polyhedral prism. ...
The contact measurement method, based on capacitive sensors, has the advantages of compact structure and low cost, but its measurement range is small. ...
doi:10.3390/app11093960
doaj:08fd6206169b4d978cd9fcde80f218e6
fatcat:rgvtnivrxrbpbmupbo2pmztkva
Toward force detection of a cable-driven micromanipulator for a surgical robot based on disturbance observer
2017
Mechanical Sciences
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In this study, a new asymmetric cable-driven type of micromanipulator for a surgical robot was designed, and a joint angle estimator (JAE) was designed based on the dynamical model of the single cable-driven ...
The micromanipulators are compact and to allow appropriate disinfection, it is inappropriate to integrate sensors at the end of the micromanipulator. ...
We also greatly appreciate the efforts and helpful suggestions of the reviewers and our colleagues. Edited by: Guangbo Hao Reviewed by: three anonymous referees ...
doi:10.5194/ms-8-323-2017
fatcat:jiw5g3gk4zce5ke3xrgmnlodhy
State of the Art of Tactile Micro Coordinate Metrology
2016
Applied Sciences
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Approximately at the same time, NPL has also developed a micro-fabricated probe based on three angled flexible elements with capacitive sensors [9] . ...
It is based on a glass fiber with a quasi spherical melted end whose position is measured with an opto-electronic system. Tip diameters down to 20 µm can be realized. ...
Conflicts of Interest: The authors declare no conflict of interest.
Abbreviations The following abbreviations are used in this manuscript:
CMM Coordinate measuring machine 3D Three dimensional ...
doi:10.3390/app6050150
fatcat:5r2zejqv2rg2hbro36hplpzvaa
2020 Index IEEE Transactions on Instrumentation and Measurement Vol. 69
2020
IEEE Transactions on Instrumentation and Measurement
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Meenalochani, M., and Sudha, S., Influence of Received Signal Strength on Prediction of Cluster Head and Number of Rounds; TIM June 2020 3739-3749 Hendeby, G., see Kasebzadeh, P., TIM Aug. 2020 5862 ...
Converter Using All-Digital Nested Delay-Locked Loops With 50-ps Resolution and High Throughput for LiDAR TIM Nov. 2020 9262-9271 Helsen, J., see Huchel, L., TIM July 2020 4145-4153 Hemavathi, N., ...
., +, TIM Oct. 2020 7353-7364 Erratum to "Design and Evaluation of a Fast, High-Resolution Sensor Evaluation Platform Applied to MEMS Position Sensing" [May 18 1014-1027]. ...
doi:10.1109/tim.2020.3042348
fatcat:a5f4fsqs45fbbetre6zwsg3dly
2021 Index IEEE Transactions on Instrumentation and Measurement Vol. 70
2021
IEEE Transactions on Instrumentation and Measurement
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Article numbers are based on specified topic areas and corresponding codes associated with the publication. ...
The primary entry includes the coauthors' names, the title of the paper or other item, and its location, specified by the publication abbreviation, year, and article number. ...
., +, TIM 2021 1003209 Acceleration measurement A High-Frequency Acceleration Sensor Based on Fiber Grating. ...
doi:10.1109/tim.2022.3156705
fatcat:dmqderzenrcopoyipv3v4vh4ry
Table of Contents
2021
IEEE transactions on industrial electronics (1982. Print)
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Zhang 3537 Design and Realization of a Compact High-Precision Capacitive Absolute Angular Position Sensor Based on Time Grating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Zhang 3079 Noniterative Design of Litz-Wire High-Frequency Gapped-Transformer (Lw-HFGT) for LLC Converters Based on Optimal Core-Geometry Factor Model (OKGM) . . . . . . . . . . . . . . . . . . . . . . ...
doi:10.1109/tie.2020.3041128
fatcat:bxls23wvo5h6lbtkbht7kw6pda
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