Results 11 to 20 of about 123,977 (300)

Development of distance glove for blind people as an alternative tool

open access: yesGravity: Jurnal Ilmiah Penelitian dan Pembelajaran Fisika, 2020
The eye was one of the senses that functions to record a state or condition so that humans could know the object they see. However, not all humans were created with normal eye conditions; some had visual disturbances from birth.
Nugroho Prasetya Adi, Rahayu Agustin
doaj   +1 more source

Ultrasonic Detection Sensor of Digital Distribution Network Based on EFPI

open access: yesZhongguo dianli, 2023
In order to meet the demand of partial discharge ultrasonic signal detection of digital distribution network equipment, an ultrasonic sensor based on extrinsic Fabry Perot interferometric (EFPI) is developed to detect the ultrasonic signal generated by ...
Ling JU, Yi HUANG
doaj   +1 more source

Fiber optic Fabry–Perot sensor that can amplify ultrasonic wave for an enhanced partial discharge detection

open access: yesScientific Reports, 2021
Ultrasonic wave is a powerful tool for many applications, such as structural health monitoring, medical diagnosis and partial discharges (PDs) detection.
Haoyong Li   +6 more
doaj   +1 more source

Design of Wind Speed and Direction Sensor Based on Ultrasonic Phase Comparison Method

open access: yesJournal of Harbin University of Science and Technology, 2021
Aiming at the accurate identification of wind speed and direction in the natural environment, the wind speed and direction twoparameter sensor detection system was designed by ultrasonic principle The ultrasonic wave is generated in the system and the ...
NIUHaodong   +3 more
doaj   +1 more source

Ultrasonic Imaging and Sensors

open access: yesSensors, 2022
Ultrasound imaging is a wide research field, covering areas from wave propagation physics, sensors and front-end electronics to image reconstruction algorithms and software [...]
Jorge Camacho   +2 more
openaire   +4 more sources

Application of Ultrasonic Chain Pin Sensor for Soil Wind Erosion Monitoring

open access: yesShuitu baochi tongbao, 2022
[Objective] The application of ultrasonic chain pin sensor in soil wind erosion was studied by experiment to verify the monitoring accuracy and reliability of the equipment for wind erosion in order to provides a theoretical basis for the improvement and
Zheng Shuhai   +3 more
doaj   +1 more source

Design and implementation of an ultrasonic sensor for rapid monitoring of industrial malolactic fermentation of wines [PDF]

open access: yes, 2017
Ultrasound is an emerging technology that can be applied to monitor food processes. However, ultrasonic techniques are usually limited to research activities within a laboratory environment and they are not extensively used in industrial processes.
Amer Boixareu, Miguel Ángel   +6 more
core   +2 more sources

Perancangan Prototipe Robot Pembawa Barang Otomatis Berbasis Arduino Uno DIP dengan Sensor Ultrasonic

open access: yesElektrika, 2023
The tool used to carry goods is a trolley. To simplify the process of carrying goods using a trolley, the trolley can be combined with robot technology.
Abdul Azis   +2 more
doaj   +1 more source

An Ultrasonic Sensor for Distance Measurement in Automotive Applications [PDF]

open access: yes, 2001
This paper describes an ultrasonic sensor that is able to measure the distance from the ground of selected points of a motor vehicle. The sensor is based on the measurement of the time of flight of an ultrasonic pulse, which is reflected by the ground. A
Carullo, Alessio, Parvis, Marco
core   +1 more source

Monolithic ultrasound fingerprint sensor. [PDF]

open access: yes, 2017
This paper presents a 591×438-DPI ultrasonic fingerprint sensor. The sensor is based on a piezoelectric micromachined ultrasonic transducer (PMUT) array that is bonded at wafer-level to complementary metal oxide semiconductor (CMOS) signal processing ...
Boser, Bernhard E   +7 more
core   +1 more source

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