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18 articles for “ultrasonic wave”
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Evaluation of Acceleration Signal Frequency Results on Bearing Shell Non-destructive Testing, Ultrasonic Waves, Simulation
Abstract: Bearings are used in many rotary machines. Defects in them can cause car breakdowns, loss of production, and even catastrophic accidents. This makes them difficult to maintain and will make it costly to repair and maintain. Therefore, detecting defects in bearing vibrations is an important issue for the industry. On the other hand, error-related frequencies may be identified as discrete frequency lines, and therefore error characteristics cannot be easily identified.For …
Published in Trends in Machine design · Vol. 8, Issue 1, 2021 · pp. 42–47 Read article
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Measurement of Defects in Car Bearings and Its Effect on Ultrasonic Waves
Abstract: As one of the defects of roller bearings due to intermittent coupling forces and external impact loads,surface cracks due to corrosion or wear may have many defects for rotating machines. Surfacecracking on the bearing or its ball is one of the important factors in the efficiency of the bearing andits opening. It is useful to study these cracks and identify the type and size of these cracks for bearingsused in …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 44–49 Read article
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IOT-based Line of Control Monitoring System
Abstract: AbstractIndian Security Border areas are normally considered as places where great deal of violence and intervention happens between several persons. This often caused the danger for the life of employees, soldiers and common people working and living in border areas. It is not possible for our soldiers to watch the borders at each and every moment. In this paper, we have proposed “automated monitoring system” as the solution of the …
Published in Journal of Operating Systems Development & Trends · Vol. 7, Issue 3, 2020 · pp. 1–8 Read article
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Design of Automatic Distance Measurement and Braking System Using Ultrasonic Sensor
Abstract: The braking system is arguably the most important system in any automobile. The ultrasonicwave emitter is provided in front portion of the car, producing and emitting ultrasonic wavesin a predetermined distance in front of the car. Ultrasonic wave receiver is also provided infront portion of the car, receiving the reflected ultrasonic wave signal from the obstacle.However, the external damage to the vehicle cannot be prevented and its repair cost may …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 4, Issue 1, 2016 · pp. 25–31 Read article
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Evaluation of Thermal Damage in Pipe by Nonlinear Guided Wave
Abstract: This work investigates the evaluation of thermal damage in aluminum pipe by using nonlinear guided wave. Thermal loading was imposed on the specimens to cause thermal degradation. Flexible Polyvinylidene Fluoride (PVDF) comb transducers are used to generate and receive the ultrasonic waves. The second harmonic wave generation technique was used to check the material nonlinearity change after different heat loading. Conventional linear ultrasonic approach based on the acoustic attenuation was …
Published in Journal of Nuclear Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 22–27 Read article
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Improved Automated Car Parking System
Abstract: This research proposed an improved automated car parking system designed to minimize the area or control the influx of cars into a car park using a smart medium. The major problems of the car parking system are lack of authentication and validation system, no accurate detecting measures of the presence of cars and no proper measures for car security against car theft. However, the improved automated car parking system is …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 2, 2022 · pp. 17–27 Read article
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Autonomous Vehicle with Obstacle Evasion Capability
Abstract: This paper involves the design and implementation of an obstacle-avoidance vehicle. The goal of this project is to build a vehicle that, when in motion, can recognize obstructions in its route and, in the absence of outside interference, alter course as essential. Based on sensor inputs, the robot determines the new direction to prevent a collision as the direction with the largest distance between the obstacle and the sensor. An …
Published in International Journal of Robotics and Automation in Mechanics · Vol. 2, Issue 1, 2024 · pp. 6–13 Read article
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Assessment of Milk Quality Optimization of Yogurt Fermentation
Abstract: In the creation of new products, yogurt makers need to prioritize consumer preferences to enhance their market share. An advanced prediction method will help in grasping the fundamental connection between consumer preferences and sensory attributes. This study introduces a new deep learning approach that employs an autoencoder to derive product features from expert-scored sensory attributes. These sensory features are then analyzed through support vector machine regression to align them with …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 13, Issue 2, 2024 · pp. 6–12 Read article
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Polymer-Based Acousto-Optic Ultrasonic Sensor for Non-Destructive Evaluation of Dielectric Insulation
Abstract: A dual-polymer fiber-optic sensor for monitoring partial discharge (PD) activity in high-voltage polymeric insulation is presented in this work for non-destructive evaluation and dielectric testing applications. Dielectric weakness within polymeric insulation leads to partial discharge activity, generating ultrasonic acoustic waves that propagate through the medium. The developed sensing assembly comprises a conical polymer-based horn that gathers and concentrates the ultrasonic acoustic emission energy generated by dielectric weakness, and a single-mode …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 11–24 Read article
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Piezo in Implant Surgery: A Literature Review
Abstract: Dental Implants are Titanium cylinders that are widely used by dentists as prosthesis to replace damaged or lost tooth. The process where the implant locks and attaches itself with the bone is termed as osseointegration. Factors like bone quality and quantity, primary stability of implant, surface characteristics of implant are some of the factors that determine osseointegration of the implant.Acceleration of osseointegration may depend on the removal of negative tissue …
Published in Research and Reviews: A Journal of Dentistry · Vol. 14, Issue 2, 2023 · pp. 17–20 Read article
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Wireless Intelligent Accurate Bridge Deck Crack Inspection and Mapping
Abstract: One of the important tasks for building maintenance is building deck crack inspection. However, the inspection result in human analysis is less accurate in nature. So, a crack inspection system that uses a camera-equipped mobile robot to collect images on the building deck has been proposed. In this method, the Laplacian of Gaussian (LoG) algorithm is used to detect cracks and a global crack map is obtained through camera calibration …
Published in Journal of Advancements in Robotics · Vol. 3, Issue 2, 2016 · pp. 24–29 Read article
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Basics of Ultrasound Imaging Physics
Abstract: Bedside ultrasonography has become an important technology for obtaining critical information in the acute management of patients. Understanding the mechanics of ultrasonography is necessary for performing and interpreting scans at the bedside. The mechanics of both continuous and pulsed wave sound are used in diagnostic ultrasonography. In order to obtain proper sonographic images, the apparatus, which includes transducers and image processing, is critical. Understanding how these concepts interact allows practitioners …
Published in Research & Reviews : Journal of Physics · Vol. 11, Issue 1, 2022 · pp. 27–29 Read article
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A Review on Damage Inspection Techniques in Composite Structures
Abstract: Damage occurred in structures or components can induce changes in its local and globalproperties. These changes in properties can affect the performance of component, andsometimes, it leads to a catastrophic failure. Hence, components/structures especiallycomposites need to be inspected regularly for damage. With extensive research in sensors anddata processing techniques various damage inspection techniques for composites are evolved.Damage inspection is part of Structural Health Monitoring (SHM) process. The paper providesa review …
Published in Recent Trends in Electronics Communication Systems · Vol. 7, Issue 3, 2020 · pp. 1–8 Read article
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Development of a Low-Cost Autonomous Robot for Obstacle Avoidance Using Ultrasonic Sensing
Abstract: In the evolving landscape of automation, autonomous mobile robots are becoming critical for performing tasks with minimal human intervention. This project presents the design and development of a cost-effective, small-scale obstacle-avoiding robot using an Arduino microcontroller and an ultrasonic sensor. The robot operates by scanning its surroundings, identifying nearby obstacles, and navigating by altering its path in real time. Through intelligent programming and sensor integration, the system achieves smooth, collision-free …
Published in Journal of Advancements in Robotics · Vol. 13, Issue 1, 2026 · pp. 1–11 Read article
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A Review on Impact Analysis of Composite Armor
Abstract: Understanding the type of wave generated in a faulty region is important when using one of the main non-destructive testing tools, ultrasonic research. Recent dispersed research demonstrates that because of their low impact execution, layered composites have limited uses in cutting-edge auxiliary frameworks. The purpose of this inquiry is to provide new scientists who are working on ballistic-related topics with broad information on the most frequently used materials and ballistic …
Published in Trends in Mechanical Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 1–9 Read article
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Real-Time Crack Detection in Polymer Composites Using Embedded IoT Sensor Networks
Abstract: This study developed an embedded Internet of Things sensor network for real-time crack detection, localization, and severity assessment in glass–fiber-reinforced polymer composites. Four polyvinylidene fluoride sensors were embedded near the laminate mid-plane and connected to synchronized wireless acquisition nodes. Controlled low-velocity impacts generated graded damage states. Ultrasonic C-scan and optical microscopy provided independent labels. A compact multi-channel convolutional model processed normalized waveforms, spectral entropy, signal energy, and arrival-time differences at …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 866–899 Read article
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Railway Track Safety System
Abstract: Railway Track Safety System (RTSS) is a comprehensive monitoring system specifically designed for the Indian railways. It consists of three subsystems that target specific challenges faced by the railways. Our main focus is on addressing four key problems. The first two issues involve cracks in the rails and foreign objects on the tracks. Cracks can occur naturally or be intentionally created to derail trains. Objects like stones can accidentally roll …
Published in International Journal of Industrial and Product Design Engineering · Vol. 2, Issue 1, 2024 · pp. 29–33 Read article
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Sonochemical Methods to Prepare Composes
Abstract: This purview is to link major and minor chemical reactions. Subjective has various unknown chemical reactivity those have announced by ultrasound. Cavity generation followed by implosive collapse have secreted chemistry to some extent so as pervert to scheme as well. Applicability of ultrasound has studied over chemical stimulus, scrubbing atomizer, crystallization, emulsification, dissolution, dispersion, defoaming, degassing, floatation, homogenization etc. Synthetic catalytic routes has subscriptive issued ultrasonic reverberation to regain some …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 2, 2021 · pp. 1–7 Read article