Detection method of fine-tuning capacitor
Self-calibrating highly sensitive dynamic capacitance sensor:
In this report we propose a sensor architecture and a corresponding read-out technique on silicon for the detection of dynamic capacitance change. This approach can be applied to rapid
Self-calibrating highly sensitive dynamic capacitance sensor:
In this report we propose a sensor architecture and a corresponding read-out technique on silicon for the detection of dynamic capacitance change. This approach can be applied to rapid particle counting and single particle sensing in a fluidic system.
An online detection method for capacitor voltage transformer
A self-supervised feature learning approach to learn a feature encoder to model the MSH data and fine-tuning is used to obtain the model to detect the plate shape quality. Expand 5
Capacitive and Non-Contact Liquid Level Detection Sensor Based
The capacitive method, a classic non-contact method, employs a sensing electrode configuration to detect changes in liquid level height through capacitance variation. This method offers a simple structure, low cost, and no liquid contamination. T. Islam et al. proposed an improvement to the liquid level sensing sensitivity by
Automatic Power Factor Correction by Fine Tuning of Graded Capacitors
power factor correction by fine tuning of graded capacitors with the help of microcontroller and binary logic is proposed, simulated, and implemented. The method presented is of iterative nature
Capacitor Detection in PCB Using YOLO Algorithm
Our experiments consistently demonstrated that 1) the use of a pre-trained CNN with adequate fine-tuning outperformed or, in the worst case, performed as well as a CNN
A light-weight defect detection model for capacitor appearance
In this paper, we propose an ultra-light electrolytic capacitor appearance defect detector based on YOLOv5, without compromising the detection accuracy. MobileNet, GSconv and GSCSP are used to compress the network model, reducing the network model complexity and model size, while the CBAM attention mechanism is used instead of the SE mechanism
Fault Diagnosis of Compensation Capacitor in Joint-less Track
A novel method based on Long Short-Term Memory (LSTM) network for the compensation capacitor disconnection fault detection and diagnosis in the ZPW-2000 Joint-less Track Circuit is presented. The fault detection and diagnosis of compensation capacitors in the ZPW-2000 Joint-less Track Circuit (JTC) are quite crucial and challenging for Chinese railway
Fine Tuning en Machine Learning : optimisation des modèles
Découvrez l''importance cruciale du Fine Tuning en Machine Learning et son impact sur la cybersécurité. Cet article vous guide à travers les techniques essentielles comme le Transfer Learning, l''Hyperparameter Tuning et la Data Augmentation, illustrées par des cas pratiques captivants. Apprenez comment ajuster finement vos modèles pour accroître la précision,
Electrolytic capacitor surface defect detection based on deep
In this study, a real-time object detection algorithm based on an improved single shot multibox detector (SSD) is proposed to achieve omnidirectional surface defect detection of electrolytic capacitors. First, an electrolytic capacitor surface image acquisition device was established to capture omnidirectional surface images of the capacitors
ADVANCED METHODS IN CAPACITOR DEFECT FAILURE ANALYSIS
Abstract—The purpose of this work is to improve the detection and characterization of capacitor based failures due to dielectric defects. Capacitor defects significantly contribute to infant and
A light-weight defect detection model for capacitor appearance
In this paper, we propose an ultra-light electrolytic capacitor appearance defect detector based on YOLOv5, without compromising the detection accuracy. MobileNet, GSconv
tuning Capacitive Sensing System for a Specific Application
Tuning is the process of determining the optimum values for set of capacitive sensing parameters for robust and reliable performance under various environmental conditions and for different
Capacitor Detection in PCB Using YOLO Algorithm
Our experiments consistently demonstrated that 1) the use of a pre-trained CNN with adequate fine-tuning outperformed or, in the worst case, performed as well as a CNN trained from scratch; 2
tuning Capacitive Sensing System for a Specific Application
Tuning is the process of determining the optimum values for set of capacitive sensing parameters for robust and reliable performance under various environmental conditions and for different mechanical constructions of the
An online detection method for capacitor voltage transformer with
A self-supervised feature learning approach to learn a feature encoder to model the MSH data and fine-tuning is used to obtain the model to detect the plate shape quality.
New Method of Capacitors Failure Detection and Location in
Unbalance methods are the most sensitive methods used to detect capacitors failures. Both magnitude and phase angle of the SR quantity are used to detect capacitor element
Detection of Self-Healing Discharge in Metallized
Benefiting fromself-healing features, metallized film capacitors (MFCs) are widely employed to compensate reactive power (VAR) and thus improve the performance of AC systems.
ADVANCED METHODS IN CAPACITOR DEFECT FAILURE
Abstract—The purpose of this work is to improve the detection and characterization of capacitor based failures due to dielectric defects. Capacitor defects significantly contribute to infant and latent failures in integrated circuits. This paper will address methods of locating capacitor defects and root cause determi-nation.
Capacitive and Non-Contact Liquid Level Detection Sensor Based
The capacitive method, a classic non-contact method, employs a sensing electrode configuration to detect changes in liquid level height through capacitance variation.
ADVANCED METHODS IN CAPACITOR DEFECT FAILURE
top capacitor metal and visibly separates the capacitor into three sections around a ground via. A redesign was done in a later datecode removing the lifted top metal. Figure 1. Capacitor in question is a MIM-based capacitor where the tuning voltage is applied to the top metal and the bottom is tied to ground via.
Automatic Power Factor Correction by Fine Tuning
The concept for automatic power factor correction by fine-tuning of graded capacitors with the help of microcontroller and binary logic is proposed, simulated, and implemented. The method
Self-detection method for measurement error of
China and State Grid Anhui Electric Power Company Electric Power Research Institute
Enhanced YOLOv8 with BiFPN-SimAM for Precise Defect Detection
In the field of machine vision, the YOLOv8 model uses the complete intersection over union (CIoU) method for bounding box regression loss computation, which is particularly useful in the complex task of detecting faults in microscopic capacitors. A highly regarded metric for object detection accuracy, the CIoU measures how well
New method of capacitors failure detection and location in
XConsecutive failures detection XLive reporting of number of failed capacitors XAdvance alarm for externally fused SCBs fuse-saving XApplied for banks grounded through CT/ Capacitor (Neutral Voltage Unbalance) Method Discussed in [9]–[11], [15] Method of [13] X X Disclaimer 2 Mentions manual re-set [11], [15] (no demonstration) Disclaimer 2 Mentioned in [15] (no
New Method of Capacitors Failure Detection and Location in
Unbalance methods are the most sensitive methods used to detect capacitors failures. Both magnitude and phase angle of the SR quantity are used to detect capacitor element failures,making method robust even during external
Research on Self-Healing Discharge Detection Method of
In modular multilevel converters (MMCs) of HVDC system, the metallized film capacitors (MFCs) suffer from complex electrical stresses. The aging of MFC is related to the accumulation of self-healing processes, which threatens the safety and reliability of the power system. In this study, a test platform was built for applying DC voltage as well as DC superimposed AC voltage to
Variable Capacitors: Tuning and Adjusting
Introduction. Learn about variable capacitors, essential parts of many electronic devices.Adjustable capacitance makes these capacitors essential for fine-tuning electronic circuits electronic applications like radios and oscillators, their ability to adjust capacitance by changing surface area, plate spacing, or dielectric material allows for precise control.
Enhanced YOLOv8 with BiFPN-SimAM for Precise Defect Detection
In the field of machine vision, the YOLOv8 model uses the complete intersection over union (CIoU) method for bounding box regression loss computation, which is particularly
Electrolytic capacitor surface defect detection based on deep
In this study, a real-time object detection algorithm based on an improved single shot multibox detector (SSD) is proposed to achieve omnidirectional surface defect detection of electrolytic capacitors. First, an electrolytic capacitor surface image acquisition device was
6 FAQs about [Detection method of fine-tuning capacitor]
What is capacitive sensing tuning?
Tuning is the process of determining the optimum values for set of capacitive sensing parameters for robust and reliable performance under various environmental conditions and for different mechanical constructions of the interface. This demands a thorough understanding of how a capacitive sensing system behaves under various conditions. Figure 8.
What is the future of miniature capacitor defect detection?
In summary, the field of miniature capacitor defect detection is rapidly evolving, with deep learning technologies at the forefront. Advances in network optimization, feature fusion techniques, and regularization methods have significantly improved detection efficiency and accuracy.
How can a capacitive sensor detect a particle flow?
In the context of sensing, the detection of this frequency modulation will enable particle counting. This dynamic behaviour of the capacitive sensor based on the particle flow can be sensed using an integrated phase-locked loop (PLL) demodulator in conjunction with the sensor embedding oscillator circuit.
What are the advances in capacitor failure analysis?
Advancements in failure analysis have been made in root cause determination and stress testing methods of capacitors with extremely small (approximately 200 nm) defects. Subtrac-tive imaging has enabled a non-destructive means of locating a capacitor short site, reducing the FIB resources needed to analyze a defect.
How is micro-capacitor defect detection performed?
In assessing the performance of micro-capacitor defect detection, we considered several metrics: Precision: This is the product of the number of successfully discovered defects, or true positive detections (TP), and the total number of false positives (FP), or occurrences of false positives that were mistakenly labeled as defects.
How did the OEM test the break-down of capacitors?
The OEM tested the break-down of the capacitors using test structures that were not made with the same design and did not include the seams. Therefore, stress test boards were developed to test a total of 192 undamaged devices in parallel.
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