Results 21 to 30 of about 1,355,785 (283)

New planar trace humidity sensor [PDF]

open access: yes, 2012
A new planar sensor element for continuous coulometric trace humidity measurements in industrial gases has been developed. In order to ensure precise measurements a calibration facility including a precision dew point hygrometer as a reference device ...
Andreas Lorek   +9 more
core   +1 more source

Design and Simulation of a Novel Bio-Mechanic Piezoresistive Sensor with Silicon Nanowires [PDF]

open access: yes, 2012
This paper presents the design of a novel single square millimeter 3-axial accelerometer for head injury detection of racing car drivers. The main requirements of this application are miniaturization and high-G measurement range.
Dariol, V.   +4 more
core   +1 more source

Modeling and Studying Acceleration-Induced Effects of Piezoelectric Pressure Sensors Using System Identification Theory

open access: yesSensors, 2019
Transient pressure testing is often accompanied by shock acceleration. Aiming at the acceleration-induced effects of pressure sensors, a dynamic compensation method combining empirical mode decomposition (EMD) with system identification theory (SIT) is ...
Fujing Xu, Tiehua Ma
doaj   +1 more source

Performance Analysis of a Noncontact Plastic Fiber Optical Fiber Displacement Sensor with Compensation of Target Reflectivity [PDF]

open access: yes, 2013
An inexpensive fiber-based noncontact distance sensor specific for monitoring short-range displacements in micromachining applications is presented. To keep the overall costs low, the sensor uses plastic optical fibers and an intensiometric approach ...
Alberto Vallan   +8 more
core   +1 more source

Temperature-Compensated Damage Monitoring by Using Wireless Acceleration-Impedance Sensor Nodes in Steel Girder Connection

open access: yesInternational Journal of Distributed Sensor Networks, 2012
Temperature-compensated damage monitoring in steel girder connections by using wireless acceleration-impedance sensor nodes is experimentally examined. To achieve the objective, the following approaches are implemented.
Dong-Soo Hong   +3 more
doaj   +1 more source

Multiscale Acceleration-Dynamic Strain-Impedance Sensor System for Structural Health Monitoring

open access: yesInternational Journal of Distributed Sensor Networks, 2012
A multiscale wireless sensor system is designed for vibration- and impedance-based structural health monitoring. In order to achieve the objective, the following approaches are implemented.
Duc-Duy Ho   +3 more
doaj   +1 more source

Experimental Study of Wheel-to-Rail Interaction Using Acceleration Sensors for Continuous Rail Transport Comfort Evaluation

open access: yesSensors, 2023
Rail transport comfort is ensured by predictive maintenance and continuous supervision of rail quality. Besides the specialized equipment, the authors are proposing a simple system that can be implemented on operational wagons while in service, aiming to
Ioana Mihăilescu   +4 more
doaj   +1 more source

Motion Velocity, Acceleration and Energy Expenditure Estimation Using Micro Flow Sensor

open access: yesIEEE Access, 2019
Motion velocity, acceleration, and energy expenditure estimations are important in quantitative assessments for physical recovery and exercise-based interventions for post-stroke patients with partial losses of neurological functions. This paper proposes
Junchang Zhang, Shiqiang Liu, Rong Zhu
doaj   +1 more source

An Absolute Displacement Measurement Method and Its Application in Ship Motion Measurement

open access: yesJournal of Marine Science and Engineering, 2023
Due to the fact that there is no static reference point in ocean space, relative measurement sensors such as laser sensors cannot be applied to the measurement of ship motion.
Chongyang Han, Xiong Hu
doaj   +1 more source

Constructing automatic work analysis system for order picking process

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2022
Work analysis is one of critical tools for improving order picking efficiency in logistics centers. Traditionally, video analysis has been used to analyze work time for various tasks.
Jinyu ZHANG   +3 more
doaj   +1 more source

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