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Capacitive Micromachined Ultrasonic Transducers: Theory and …
Capacitive micromachined ultrasonic transducers (CMUTs), introduced about a decade ago, have been shown to be a good alternative to conventional piezoelectric …
Ultrasonic Examination Ceramic Capacitors Scanning Acoustic Microscopy
Ultrasonic examination and detection of hidden internal anomalies for the screening of defective parts and failure analyses. Scanning Acoustic Microscopy (SAM) has …
Ultra-Low-Voltage Capacitive Micromachined …
Capacitive micromachined ultrasonic transducers (CMUTs) represent an accepted technology for ultrasonic transducers, while high bias voltage requirements and limited output pressure still need to be addressed. …
Capacitive Micromachined Ultrasonic Transducers: Technology …
Capacitive micromachined ultrasonic tranducers (cMUTs) have recently emerged as an alternative to conventional piezoelectric transducers. They offer many advantages in …
Detection of Self-Healing Discharge in Metallized Film Capacitors …
DOI: 10.3390/electronics9111893 Corpus ID: 228925374; Detection of Self-Healing Discharge in Metallized Film Capacitors Using an Ultrasonic Method @article{Ma2020DetectionOS, …
Obstacle Detection using Utltasonic sensor
When an electrical pulse of high voltage is applied t o the ultrasonic transducer it vibrates across a specific spectrum of frequencies and generates a burst of sound wav es. …
(PDF) On-Line Foreign Object Detection Using Double DD Coils …
This paper proposes an on-line method for foreign object detection in a double DD coil system. The foreign object is detected by real-time measurement of the mutual …
Ultra-Low-Voltage Capacitive Micromachined Ultrasonic ...
Capacitive micromachined ultrasonic transducers (CMUTs) represent an accepted technology for ultrasonic transducers, while high bias voltage requirements and …
Foreign Voltage Detector Model FVD Description and Use
The foreign voltage is sensed as a varying charge on this capacitor. It should be noted that should a foreign voltage be coupled to the body of the FVD from the hand of the user, this voltage will …
Research on Statistical Characteristics of Partial Discharge …
In the experiment of partial discharge of switchgear, the laboratory adopts ultrasonic method to detect partial discharge. The experimental data records the waveform voltage value, and then …
Closed-form formulation for sensitivity of capacitive ultrasonic ...
The method tivity of the two most common types of air ultrasonic trans-can be modified in closed form to take into account the bias ducers, which are the capacitive …
Research on Statistical Characteristics of Partial Discharge Ultrasonic ...
In the experiment of partial discharge of switchgear, the laboratory adopts ultrasonic method to detect partial discharge. The experimental data records the waveform voltage value, and then …
Capacitive Micromachined Ultrasonic Transducers: Technology and ...
Capacitive micromachined ultrasonic tranducers (cMUTs) have recently emerged as an alternative to conventional piezoelectric transducers. They offer many advantages in …
(PDF) Capacitive Micromachined Ultrasonic Transducers: Theory and ...
Capacitive micromachined ultrasonic transducers CMUTs, introduced about a decade ago, have been shown to be a good alternative to conventional piezoelectric …
Capacitive Sensing Techniques and Considerations
Successive approximation is used to determine the correct iDAC value to maintain a voltage on the external capacitor while the switched-capacitor equivalent resistance discharges the …
Research on Statistical Characteristics of Partial Discharge Ultrasonic ...
In foreign power grids [3], insulation faults and ... Ultrasonic partial discharge detection method is also a non-invasive detection method used earlier ... power frequency non-partial discharge …
Detection of foreign objects in milk using an …
PDF | On May 3, 2019, Mohd Taufiq Mohd Khairi and others published Detection of foreign objects in milk using an ultrasonic system | Find, read and cite all the research you need on ResearchGate
(PDF) Partial discharge detection device using ultrasonic sensor …
Partial discharge detection device using ultrasonic sensor on medium voltage XLPE cable February 2020 Indonesian Journal of Electrical Engineering and Computer …
Foreign Object Detection/LOD and Protections | SpringerLink
7.2.2 Sensor-Based Detection Method. The sensor-based living object detection method is the most available solution for wireless power transfer systems. Radar sensors, …
Design of a new type of non-metal ultrasonic receiving system
Based on the analysis of the traditional nonmetallic ultrasonic flaw detection, the selection scheme - of the ultrasonic probe is given, and a new type of ultrasonic flaw detection receiving system is
An experimental study on capacitive and ultrasonic measurement ...
The capacitance-type wave height gauge used in this study is capable of measuring wave heights from 0 to 50 cm and provides an output voltage of ±2.5 V. However, …
Design of Circuits for Transmitting and Receiving Ultrasonic …
Being used for stimulating and receiving piezoelectric ultrasonic probe, the ultrasonic impulse transmitter circuit, which is designed in this paper, has been successfully applied to the …
(PDF) Capacitive Micromachined Ultrasonic …
Capacitive micromachined ultrasonic transducers CMUTs, introduced about a decade ago, have been shown to be a good alternative to conventional piezoelectric transducers in various aspects, such...