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Journal articles on the topic 'LVDT'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Cojanu, Daniel-Nicolae, Oana-Alina Boiu-Sicuia, Maria-Cristina Lumînare, Ana-Cristina Fătu, Lavinia Diana Barbu-Buturugă, and Călina Petruța Cornea. "ISOLATION AND CHARACTERIZATION OF SOME BACTERIAL STRAINS FROM DIPTERAN LARVAE." Romanian Journal for Plant Protection 16 (2023): 81–89. https://doi.org/10.54574/rjpp.16.10.

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The isolation of agronomically beneficial bacteria usually involve the collection of samples from various natural sources, followed by the subsequent use of selective culture techniques. This is not always a straightforward process, due to various reasons, including their reduce concentration level in nature, the difficulty of separating them from the consortia in which they are naturally integrated in the environment, the overgrowth of other competing microorganisms, or even their fastidious way of in vitro multiplication. The aim of this work was to identify six bacterial strains that could

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Drandić, Ana, Stjepan Frljić, and Bojan Trkulja. "Methodology for Eddy Current Losses Calculation in Linear Variable Differential Transformers (LVDTs)." Sensors 23, no. 4 (2023): 1760. http://dx.doi.org/10.3390/s23041760.

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Linear variable differential transformer (LVDT) is a commonly used linear displacement sensor because of its good measurement characteristics. When using laminated ferromagnetic cores in LVDTs, it is very important to take eddy currents into the account during design phase of the sensor. Particularity of the open-type core means that the eddy currents induced by the stray magnetic flux that flow in large loops tangential to the lamination surfaces take on significant values. Due to the open-type core a typical LVDT has, depending on the core material, it is, therefore, very important to take e

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Masi, Alessandro, Alessandro Danisi, Roberto Losito, Michele Martino, and Giovanni Spiezia. "Study of Magnetic Interference on an LVDT: FEM Modeling and Experimental Measurements." Journal of Sensors 2011 (2011): 1–9. http://dx.doi.org/10.1155/2011/529454.

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Static or slowly varying magnetic fields can affect the performances of linear variable differential transformer by inducing a position reading drift. The problem is barely addressed in LVDTs' datasheets, and no quantitative information on the induced error is given. An LVDT finite element model is here presented together with its experimental validation in order to propose a tool for the study of the effects of external magnetic fields on LVDTs and for the design of less sensitive devices. The LVDT model has been validated in standard working conditions and in presence of an external magnetic

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Venkata, Santhosh Krishnan, Binoy Krishna Roy, and Preeti Mohanty. "Field programmable gate array implementation of an intelligent soft calibration technique for linear variable differential transformers." F1000Research 11 (March 30, 2022): 370. http://dx.doi.org/10.12688/f1000research.110093.1.

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Background: Displacement is often used as an indirect indicator for monitoring multiple parameters, i.e. force, velocity, acceleration, and weight, making it an important variable for the measurement and control of processes. Sensors such as Linear Variable Differential Transformers (LVDTs) play a primary role in the design of any displacement measuring instrument. Calibration of an instrument is carried out to produce accurate results from the measuring instrument. Methods: The objective of this study is to calibrate the output of LVDT by designing a signal conditioning circuit so as to exten

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Roy, Arijit, Durjoy Roy, and Abhishek Mallick. "Construction and remote demonstration of an inexpensive but efficient linear differential variable transformer (LVDT) for physics or electronics teaching during COVID-19 pandemic." Physics Education 58, no. 1 (2022): 015007. http://dx.doi.org/10.1088/1361-6552/ac93de.

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Abstract A linear variable differential transformer is termed as LVDT in short. A simple miniature and inexpensive LVDT was constructed for laboratory teaching. Starting from the fundamental physics of LVDT, a complete demonstration was presented. The heart of an LVDT is three coils that were taken from the electrical ‘Ding-dong’ doorbell. A universal laboratory experiment kit named ‘ExpEyes-17’ is used to drive the LVDT and display the input and output signals on a laptop screen. Thus, a compact LVDT system was developed. Displacement experiments were conducted, and the well-known V-shape res

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Chaudhari, Bhushan. "Universal LVDT Amplifier." International Journal for Research in Applied Science and Engineering Technology 13, no. 6 (2025): 2161–65. https://doi.org/10.22214/ijraset.2025.72580.

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In many industrial and scientific applications, the Linear Variable Differential Transformer (LVDT) is a very accurate and dependable sensor for sensing linear displacement. To transform this raw signal into a form that can be used, the LVDT needs a specialised interface since it produces an alternating current (AC) output signal. Under such circumstances, the Universal LVDT Amplifier becomes indispensable. In order for control systems like PLCs, data loggers, or monitoring devices to read the clean, linear analogue or digital signal that is produced once the LVDT receives the required excitat

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Rerkratn, Apinai, Jakkapun Tongcharoen, Wandee Petchmaneelumka, and Vanchai Riewruja. "Linear-Range Extension for Linear Variable Differential Transformer Using Hyperbolic Sine Function." Sensors 22, no. 10 (2022): 3674. http://dx.doi.org/10.3390/s22103674.

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In this paper, a circuit technique to extend the measuring range of a linear variable differential transformer (LVDT) is proposed. The transfer characteristic of the LVDT contains the odd function form of the cubic polynomial. Therefore, the measuring range of a commercial LVDT is linear in a narrow range compared to its physical dimensions. The wide measuring range of the LVDT requires a large structure of the LVDT, which increases the scale and the cost of the measurement system. The measuring range of the LVDT can be linearly extended to the maximum of the stroke range using the proposed te

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8

Jefriyanto, Wilson. "Simulasi Monitoring Pergeseran Tanah Menggunakan Sensor LVDT (Linear Variable Differential Transformer)." SAINTIFIK 7, no. 1 (2021): 70–76. http://dx.doi.org/10.31605/saintifik.v7i1.281.

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Pergeseran tanah merupakan salah satu faktor terjadinya tanah longsor (landslide). Untuk itu, diperlukan suatu prototype alat yang dapat membantu memberikan informasi dini dan peringatan akan terjadinya longsor. Telah dilakukan penelitian tentang simulasi pergeseran tanah dengan menggunakan sensor LVDT (Linear Variable Differential Transformer). Sensor LVDT dihubungkan dengan Arduino uno yang kemudian ditampilkan pada LCD dan juga monitoring pada komputer. Pengamatan pergeseran tanah dilakukan selama 5 jam dengan melakukan variasi terhadap sudut kemiringan tanah. Tujuan dari penelitian ini yai

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Khabzli, Wahyuni. "Monitoring Pergeseran Tanah Tapak Tower Transmisi PT (PLN) Persero Dengan Menggunakan SMS Sebagai Notifikasi Peringatan." Jurnal Elektro dan Mesin Terapan (ELEMENTER), Vol. 9 No. 1 (2023) (May 31, 2023): 43–51. http://dx.doi.org/10.35143/elementer.v9i1.5973.

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Landslides are one of the causes of the collapse of the transmission tower of PT PLN (Persero) which caused power outages, therefore monitoring the shifting of the transmission tower tread is very necessary so that power outages due to the collapsed tower can be anticipated faster. In this study the authors made a study to monitor tower shifts by using Ultrasonic sensors and LVDT sensors (Linear Variable Differential Transducer), Ultrasonic sensors function to detect shifts from towers and LVDT sensors function to detect shifts from the left and right tread tower ground. In this research, ther

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10

Zhang, Xiaomin, Huan Liu, Mingshuo Che, Zhenhua Geng, and Yuanwei Jiu. "Research on Displacement Measurement and Self-detecting Circuit Based on LVDT." Journal of Physics: Conference Series 2437, no. 1 (2023): 012115. http://dx.doi.org/10.1088/1742-6596/2437/1/012115.

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Abstract A Liner Variable Differential Transformer (LVDT) measuring system and self-detecting circuit are proposed for micro-displacement measurement, which can detect the displacement of LVDT and monitor the fault signals simultaneously. The circuit is composed of a focusing mechanism, a displacement measurement module, a correction module, a monitoring module, an AD conversion module, a drive module, a control module and a power conversion module. Due to the requirements of high reliability and long life of space remote sensing system, as well as the radiation influence in space, LVDT measur

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latha, Hema, M. Rajesh, K. Shenpriya, and N. K. Santhiya. "Low Cost Linear Variable Differential Transformer Construction and Calibration." Journal of Control System and Control Instrumentation 8, no. 2 (2022): 33–37. http://dx.doi.org/10.46610/jocsaci.2022.v08i02.005.

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The Low Cost Linear Variable Differential Transformer (LVDT) sensor's fabrication and calibration are discussed in this study. The iron core of the built LVDT measures 8 inches in length and 1 inch in diameter, while the probe is 4.5 inches long and 0.5 inches in diameter. By using a 1 cm known surface displacement to measure the voltage at 6.35 V, the performance of the LVDT was determined. The unknown surface waviness about voltage is measured using the constant of the known surface displacement from this. This sensor's performance accuracy ranges from 97.6% to 99.96%. When compared to other

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Petchmaneelumka, Wandee, Kanoknuch Songsuwankit, and Vanchai Riewruja. "Accurate LVDT Signal Converter." International Review of Electrical Engineering (IREE) 11, no. 3 (2016): 340. http://dx.doi.org/10.15866/iree.v11i3.8906.

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Mociran, Bogdan, and Marian Gliga. "Optimization of an Inductive Displacement Transducer." Sensors 23, no. 19 (2023): 8152. http://dx.doi.org/10.3390/s23198152.

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This paper presents the optimization of an inductive displacement transducer or linear variable differential transformer (LVDT). The method integrates design software (SolidWorks 2023), simulation tools (COMSOL Multiphysics), and MATLAB. The optimization phase utilizes the non-dominated sorting genetic algorithm (NSGA)-II and -III to fine-tune the geometry configuration by adjusting six inner parameters corresponding to the dimension of the interior components of the LVDT, thus aiming to improve the overall performance of the device. The outcomes of this study reveal a significant achievement

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14

Park, Bong June, Jong Min Choi, and Kyung Jong Lee. "Simulation of Phase Transformation by Analysis of First Derivative of Dilatation Using Avrami Equation during Continuous Cooling in Low Carbon Steels." Advanced Materials Research 409 (November 2011): 407–10. http://dx.doi.org/10.4028/www.scientific.net/amr.409.407.

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The phase transformation during continuous cooling in low carbon steel has been widely measured by dilatometer using the lever rule. However, the concept of lever rule has several limitations. In low carbon steels, it is observed that overlapped transformation region of multi-phase and inflection point of small amount of low temperature phase is hardly differentiated. First derivatives of LVDT during continuous cooling could be better way to identify the inflection point and transformation region of phases (especially low temperature phase). Furthermore, first derivative of LVDT could be expre

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Van Nieuwenhove, Rudi. "Optimization of the magnetic core of a Linear Variable Differential Transducer." EPJ Web of Conferences 288 (2023): 04017. http://dx.doi.org/10.1051/epjconf/202328804017.

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Research into materials and fuels for nuclear power reactors is carried out in so-called research reactors where various types of fuels and materials can be monitored online and in real time by in-core instruments. At the Halden reactor in Norway, online measurements such as cladding elongation, inner fuel rod pressure, fuel swelling, material creep and stress relaxation were based on Linear Variable Differential transducers (LVDT). The magnetic core of the standard LVDT core is made of silicon iron, encapsulated by an Inconel 600 or AISI 316L tube for corrosion protection. In the present stud

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Petchmaneelumka, W., A. Rerkratn, A. Luangpol, and V. Riewruja. "Compensation of Temperature Effect for LVDT Transducer." Journal of Circuits, Systems and Computers 27, no. 12 (2018): 1850182. http://dx.doi.org/10.1142/s0218126618501827.

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In this paper, a circuit technique to compensate the temperature effect in the output signal of the linear variable differential transformer (LVDT) is presented. The realization technique is based on the proposed feedback configuration to minimize the active component used in the circuit. The subtraction and sum schemes are provided instead of the error detector used in the traditional feedback loop. The feedback signal is obtained from two secondary winding signals of LVDT. The proposed feedback technique requires only the proportional control action to minimize the error caused by the variat

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Tomczyk, Krzysztof, Piotr Beńko, and Ksenia Ostrowska. "Maximum Energy Density for Evaluation of the Dynamic Accuracy of LVDT Sensors Applied in the Energy Industry." Energies 17, no. 22 (2024): 5525. http://dx.doi.org/10.3390/en17225525.

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This paper presents a proposal in which the maximum energy density criterion is used to evaluate the dynamic accuracy of LVDT (Linear variable differential transformer) sensors for applications in the energy industry. The solutions proposed in the paper are based on a mathematical model of the LVDT sensor, represented by its frequency response. The mathematical foundations required for the synthesis of such a model and the formulae and algorithm necessary to determine the maximum energy density for the integral-square error criterion are presented. Numerical and simulation calculations are per

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Syahputra, Tri Siswandi, Heru Asyubi, and Eko Satria. "Perancangan Sensor LVDT dan Potensiometer Geser Sederhana Sebagai Alat Potensial Pendeteksi Pergeseran Tanah." Jurnal Teori dan Aplikasi Fisika 9, no. 1 (2021): 17–22. http://dx.doi.org/10.23960/jtaf.v9i1.2714.

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A preliminary study on the design of a Linear Variable Differential Transformer (LVDT) sensor and a sliding potentiometer has been carried out. It is a distance measuring sensor that can be used as a ground shift sensor. This study aims to develop a new type of low cost mechanical sensor which has a high enough accuracy. The LVDT sensor is built using affordable materials such as PVC pipes, winding wires and iron cores, which is varied based on the number of primary coil and its diameter. While the potentiometer sensor is prepared by using linear bearing using electrode sheets of nickel and co

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Karlsson, Björn, and Torgny Brogårdh. "A new calibration method for industrial robots." Robotica 19, no. 6 (2001): 691–93. http://dx.doi.org/10.1017/s0263574799002374.

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This paper presents a new calibration method for industrial robots. The calibration method is based on a combination of inclinometer and LVDT measurements and is very simple to use. The inclinometers measure the deviation from the gravity direction of a measurement rod and the LVDT sensor measures the length of the rod. The inclinometers can be used without any pre-calibration and the whole equipment is inexpensive, portable and robust.

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Jayalakshmi Dheiveekan, S. S. Bhosale, Vaishali B. Dawari. "Instrumentation in Geosynthetic Reinforced Unpaved Road Models and Laboratory Calibration." Journal of Information Systems Engineering and Management 10, no. 29s (2025): 130–38. https://doi.org/10.52783/jisem.v10i29s.4462.

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The first part of the paper discusses the state-of-the-art literature for the calibration methodology adopted since 1974 and the various instrumentations used in pavement testing by researchers since 1996 like EPC, LVDT, moisture gauge, strain gauge, and temperature sensors. The second part of the paper elaborates on the present work on laboratory calibration procedures performed at COEP Technological University for earth pressure cells, moisture sensors, and LVDT. This paper briefly examines and discusses the status, usage, maintenance, and recalibration of the instruments recovered from the

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Saxena, S. C., and S. B. L. Seksena. "A self-compensated smart LVDT transducer." IEEE Transactions on Instrumentation and Measurement 38, no. 3 (1989): 748–53. http://dx.doi.org/10.1109/19.32186.

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Masi, Alessandro, Arnaud Brielmann, Roberto Losito, and Michele Martino. "LVDT Conditioning on the LHC Collimators." IEEE Transactions on Nuclear Science 55, no. 1 (2008): 67–75. http://dx.doi.org/10.1109/tns.2007.913473.

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Arifianto, Teguh, Anindira Listy, and Sunardi Sunardi. "Real-Time Telemetry Data Monitoring System on Soil Movement of Railway Tracks." Inform : Jurnal Ilmiah Bidang Teknologi Informasi dan Komunikasi 6, no. 1 (2021): 14–20. http://dx.doi.org/10.25139/inform.v6i1.3339.

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A telemetry data monitoring system is needed to monitor land shifting. This system consists of an ATMega328 microcontroller, a Linear Variable Differential Transformer (LVDT) and a rheostat, an accelerometer sensor, a rain gauge tipping bucket, and the HC-12 radio telemetry module. Normally, the LVDT reads the land shift in the 0-20 mm range, the Rheostat is capable of shifting up to 66 mm, the accelerometer sensor reads less than 20 deg of data, and the rain gauge tipping bucket sensor creates the amount of rainfall below 50 mm/hour which is then sending real-time data regularly for 24 hours.

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Pham, Thanh Thi, Doyun Kim, Ukyong Woo, Su-Gwang Jeong, and Hajin Choi. "Development of Non-Contact Measurement Techniques for Concrete Elements Using Light Detection and Ranging." Applied Sciences 13, no. 24 (2023): 13025. http://dx.doi.org/10.3390/app132413025.

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The objective of this study is to develop a monitoring algorithm that measures the displacement of concrete structures using light detection and ranging (LiDAR). The suggested method is based on non-contact measurements providing 3D point clouds of the scanning area with high resolution. This overcomes the limitation of traditional contact-type and point-based measurement methods such as linear variable differential transformer (LVDT) and strain gauge. The developed algorithm enables one to track the boundaries of a concrete specimen and measures the vertical or lateral displacement. To demons

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Shruti, D. Taksande* Vijay Bagdi. "NEW INNOVATION IN ELECTRONIC MEASURING SYSTEM USING LVDT SENSOR." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 6 (2016): 460–67. https://doi.org/10.5281/zenodo.55544.

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In industry field, common A/D converter chips are widely used for low-speed analog dataacquisition.Most of common A/D converter chips are not fit for the requirements of high-speed vary analog signal. This paper presents a high-speed dataacquisitionsystem based on LVDT. Design, simulation, implementation and testing of an inductive displacement sensor based on a Linear Variable Differential Transformer (LVDT) controlled by a single chip electronic module with 8 bit RISC microcontroller. LVDTdevice is widely used systems for measuring physical quantities like displacement, force or pressure.The

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Fan, Qiuxia, Xinqi Zhang, Zhuang Wen, Lei Xu, and Qianqian Zhang. "Nonlinear Compensation of the Linear Variable Differential Transducer Using an Advanced Snake Optimization Integrated with Tangential Functional Link Artificial Neural Network." Sensors 25, no. 4 (2025): 1074. https://doi.org/10.3390/s25041074.

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The linear variable differential transformer is a key component for measuring vibration noise and active vibration isolation. The nonlinear output associated with increased differential displacement in LVDT constrains the measurement range. To extend the measurement range, this paper proposes an advanced Snake Optimization–Tangential Functional Link Artificial Neural Network (ASO-TFLANN) model to extend the linear range of LVDT. First, the Latin hypercube sampling method and the Levy flight method are introduced into the snake optimization (SO) algorithm, which enhances the global search abili

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MINDARA, JAJAT YUDA, SAHRUL HIDAYAT, NORMAN SYAKIR, and WAHYU ALAMASYAH. "DESAIN LVDT SEBAGAI TRANSDUCER PENGUKUR TEBAL FILM TIPIS." Jurnal Material dan Energi Indonesia 6, no. 01 (2016): 44. http://dx.doi.org/10.24198/jmei.v6i01.11147.

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Linier Variable Deference Transformer (LVDT) adalah salah satu transducer yang dapat digunakan untuk pengukuran tebal profil film tipis menggunakan metode Stylus-Elektromekanis. Untuk menerapkan metoda tersebut diperlukan suatu instrumentasi yang terdiri dari perangkat keras dan perangkat lunak.Perangkat keras akan mengolah fluktuasi sinyal analog akibat gerak stylus diatas sampel film tipis yang dikopel pada ferit sebagai inti transducer LVDT, kemudian mengubahnya menjadi sinyal digital. Selanjutnya sinyal digital ini direkam ke dalam komputer melalui fasilitas akusisi data. Perangkat keras d

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Madona, Putri. "Rancang Bangun Peringatan Bahaya Longsor dan Monitoring Pergeseran Tanah Menggunakan Komunikasi Berbasis GSM." Jurnal Elektro dan Mesin Terapan 2, no. 1 (2016): 43–53. http://dx.doi.org/10.35143/elementer.v2i1.37.

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Tanah longsor merupakan bencana yang sering terjadi di Indonesia sehingga perlu antisipasi melalui monitoring daerah rawan dengan pengembangan sistem instrumentasi kebencanaan. Pergeseran tanah merupakan salah satu faktor terjadinya tanah longsor. Tujuan penelitian ini adalah merancang suatu alat telemetri pergeseran tanah dengan menggunakan sensor LVDT (Linier Variable Differential Transformer) secara digital yang berbasis mikrokontroler, dengan dilengkapi potensiometer yang terpasang pada setiap rentang lintasan area deteksi guna mengetahui titik mana yang mengalami pergeseran. LVDT mengubah

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Purwantoro, A. Didik Setyo, Pratikso, and R. Mudiyono. "Bridge Approach Model with Precast Concrete-cell Box Structure to Overcome Differential Settlement." IOP Conference Series: Earth and Environmental Science 1321, no. 1 (2024): 012039. http://dx.doi.org/10.1088/1755-1315/1321/1/012039.

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Abstract The bridge approach road embankment has a very important role as a link between the road and the bridge. In the post-construction stage, there are many cases of bridge approach road embankments, especially those with high elevations, potentially experiencing differential settlement. To overcome this, an analysis and planning study was carried out in increasing stability and overcoming the differential decline that occurred in the bridge approach road structure, especially in the approach slab structure with the end of the bridge. So that a bridge approach road model was developed as a

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Kano, Yoshio, Shinya Hasebe, Chen Huang, Shinya Miwa, and Taketoshi Yamada. "Analysis of Moving Flat Coil Type LVDT." IEEJ Transactions on Industry Applications 108, no. 7 (1988): 715. http://dx.doi.org/10.1541/ieejias.108.715.

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Wu, Shang-Teh, Szu-Chieh Mo, and Bo-Siou Wu. "An LVDT-based self-actuating displacement transducer." Sensors and Actuators A: Physical 141, no. 2 (2008): 558–64. http://dx.doi.org/10.1016/j.sna.2007.10.027.

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Ganesan, Harikumar, Boby George, Sankaran Aniruddhan, and Saleem Haneefa. "A Dual Slope LVDT-to-Digital Converter." IEEE Sensors Journal 19, no. 3 (2019): 868–76. http://dx.doi.org/10.1109/jsen.2018.2878883.

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Ford, R. M., R. S. Weissbach, and D. R. Loker. "A novel DSP-based LVDT signal conditioner." IEEE Transactions on Instrumentation and Measurement 50, no. 3 (2001): 768–73. http://dx.doi.org/10.1109/19.930452.

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Inozemtsev, Maxim, Natalia Grigoreva, Natalia Volynkina, and Atabek Alibaev. "Selection and experimental study of the linear displacement converter for the automated monitoring system of mine roofs." E3S Web of Conferences 315 (2021): 03006. http://dx.doi.org/10.1051/e3sconf/202131503006.

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The justification of the linear displacement sensors installation in mine workings is described in this paper. The required technical characteristics of the sensors are given. The main types of primary linear displacement converters are presented. The choice of inductive solenoid-type converters and sensors based on linear differential transformers (LVDT) is justified. The advantages and disadvantages of inductive transducers, their accuracy and measurement limits are described, and measuring methods of inductance of the solenoid-type transducers and the converter output signal based on LVDT a

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Chen, Hong Niao, Jia Jian Chen, and Ray Kai Leung Su. "Detection of Crack Evolution in Plain Concrete by Electronic Speckle Pattern Interferometry." Key Engineering Materials 744 (July 2017): 92–96. http://dx.doi.org/10.4028/www.scientific.net/kem.744.92.

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In order to study crack evolution in concrete, Electronic Speckle Pattern Interferometry (ESPI) technique was applied to measure full-field displacement of concrete beam subjected to three-point bending. Basic principles of ESPI technique were introduced. Mid-span deflection and crack mouth opening displacement were measured by linear variable differential transformers (LVDTs) and clip gauge, respectively. Typical load-displacement curves measured by different methods were compared and analyzed. Analysis results indicated that ESPI results were in good agreement with that measured by LVDT (cli

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Chen, Rong Jun, Shun Dao Xie, Zhi Yang, and Hong Zhou Tan. "The Design of Cotton Sliver Detection Sensor Based on AD698 and LVDT." Applied Mechanics and Materials 373-375 (August 2013): 348–53. http://dx.doi.org/10.4028/www.scientific.net/amm.373-375.348.

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A cotton sliver detection sensor is designed, which is different from the traditional roller detection system. Firstly the lever enlarges the change of thickness of cotton sliver into a large amount of displacement, and then the LVDT detects this displacement, and finally the signal transmission module based on AD698 converts the detected signal of the LVDT into a voltage ranging from 0V to 10V. The experiments show that the sensor has good linearity and resolution. The design is not only with lower mechanical inertia and simpler signal processing circuit, but also solving the problem that in

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Yusra, Andi. "Influence of Using Bamboo Reinforcement Bar and Fiber on Mechanic Beams Behavior." Civil Engineering Beyond Limits 4, no. 3 (2023): 1–5. http://dx.doi.org/10.36937/cebel.2023.1866.

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High quality concrete has a low enough porosity value to achieve high density. The purpose of this study was to measure the performance of high-quality concrete blocks by using bamboo reinforcement and bamboo fiber as additional materials. The use of super-liquefying additives from fly ash and palm kernel shells, and high-quality low-grade FAS Tilapia Concrete enhances the concrete experience. Based on (ACI, 2014), it was classified as high-quality concrete with a compressive strength greater than 41.4MPa. Reinforced concrete is a structure made by mixing coarse aggregate, fine aggregate, wate

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Sylculslci, J. K., E. Sykulska, and S. T. Hughes. "APPLICATION OF FINITE ELEMENT MODELLING IN LVDT DESIGN." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 11, no. 1 (1992): 73–76. http://dx.doi.org/10.1108/eb051755.

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Masi, A., S. Danzeca, R. Losito, P. Peronnard, R. Secondo, and G. Spiezia. "A high precision radiation-tolerant LVDT conditioning module." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 745 (May 2014): 73–81. http://dx.doi.org/10.1016/j.nima.2014.01.054.

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Flammini, Alessandra, Daniele Marioli, Emiliano Sisinni, and Andrea Taroni. "Least Mean Square Method for LVDT Signal Processing." IEEE Transactions on Instrumentation and Measurement 56, no. 6 (2007): 2294–300. http://dx.doi.org/10.1109/tim.2007.908248.

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Gao, Yuan, Jerry Potts, and Heng Ban. "Wireless coupling for LVDT sensor for reactor applications." Progress in Nuclear Energy 163 (September 2023): 104788. http://dx.doi.org/10.1016/j.pnucene.2023.104788.

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Olsen, Casper, Helle Foged Christensen, and Ida L. Fabricius. "Static and dynamic Young’s moduli of chalk from the North Sea." GEOPHYSICS 73, no. 2 (2008): E41—E50. http://dx.doi.org/10.1190/1.2821819.

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We present results from a study of dynamic and static Young’s moduli of North Sea chalk based on laboratory tests on both dry and water-saturated chalk. We obtained static moduli by using both strain gauge and linear voltage displacement transducer (LVDT) measurements. We investigated the influence of pore fluid on static and dynamic Young’s moduli and evaluated the two methods for obtaining static Young’s modulus. We obtained good agreement between dynamic and static Young’s moduli from strain gauge measurements on dry chalk, but for water-saturated chalk the dynamic Young’s modulus was large

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Sunardi, Sunardi, Teguh Arifianto, Anindira Listy Hartisa, Arief Darmawan, and Willy Artha Wirawan. "Perancangan Sistem Peringatan Longsor dan Deteksi Pergeseran Tanah Menggunakan Metode Telemetri." Jurnal Penelitian Transportasi Darat 22, no. 2 (2021): 123–30. http://dx.doi.org/10.25104/jptd.v22i2.1618.

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ABSTRACTDesign of Landslide Potential Warning System and Land Shifting Using Telemetry Method: According to the 2019 BNBP Performance Report, landslides are the fourth most frequent disaster in Indonesia, so we need a telemetry tool for land shifting. This system consists of ATMega328 Microcontroller, Linear Variable Differential Transformer sensor and rheostat, accelerometer sensor, rain gauge tipping bucket, and HC-12 wireless communication module. Normally, LVDT sensor reads ground shift in the 0-20 mm range, rheostat shifting up to 66 mm, accelerometer sensor reads data less than 20 deg an

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Mahardika yoga darmawan. "Perancangan Alat Ukur Pergeseran Tanah Skala Laboratorium." Electrician 15, no. 2 (2021): 83–88. http://dx.doi.org/10.23960/elc.v15n2.2168.

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Peristiwa tanah longsor merupakan salah satu bencana alam yang sering terjadi di beberapa wilayah Indonesia. Peristiwa ini terjadi dengan durasi yang cepat sehingga sering kali menimbulkan kerugian material. Untuk meminimalisasikan kerugian tersebut, perlu dilakukan metode pendeteksian fisis kejadian longsor dengan menggunakan sensor untuk mengukur pergeseran tanah. Pada penelitian sensor pergeseran tanah yang digunakan adalah potensiometer dan linear variable differensial transduser geser (LVDT) berbiaya rendah. Selain itu data fisis tambahan lainnya yang digunakan adalah sensor kelembabam ta

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Garg, Piyush, Roya Nasimi, Ali Ozdagli, et al. "Measuring Transverse Displacements Using Unmanned Aerial Systems Laser Doppler Vibrometer (UAS-LDV): Development and Field Validation." Sensors 20, no. 21 (2020): 6051. http://dx.doi.org/10.3390/s20216051.

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Measurement of bridge displacements is important for ensuring the safe operation of railway bridges. Traditionally, contact sensors such as Linear Variable Displacement Transducers (LVDT) and accelerometers have been used to measure the displacement of the railway bridges. However, these sensors need significant effort in installation and maintenance. Therefore, railroad management agencies are interested in new means to measure bridge displacements. This research focuses on mounting Laser Doppler Vibrometer (LDV) on an Unmanned Aerial System (UAS) to enable contact-free transverse dynamic dis

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Chuo, Po Chou, Yi Cheng Huang, Min Chie Chiu, and Ho Chih Cheng. "A Quality Monitoring Online System Using an Early Warning Abnormal Trend Distribution: A Thickness Measurement Case Study Using a LVDT." Advanced Materials Research 740 (August 2013): 120–27. http://dx.doi.org/10.4028/www.scientific.net/amr.740.120.

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To assure product quality, an early warning and inspection system to predict the variation (trend) of a products quality (i.e. the product thickness) in the manufacturing process is necessary. Here, a manual online measurement of a production line installed with an online automatic warning system that will prevent manually accumulated errors from occurring is presented. Using this system, a quality trend profile will be made. The abnormal trend distribution will be obtained by randomly selecting the period of the quality trend profile and translating it into a time distribution bar chart. The

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Bhatnagar, R. M. "Noise reduction in linear variable differential transformer data of recoil motion measurement by numerical methods." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 220, no. 2 (2006): 159–66. http://dx.doi.org/10.1243/09544062jmes140.

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The measurement of recoil distance versus time by various methods such as the recoil potentiometer, photo electric transducer, slide wire, accelerometer, revolving drum system, and linear variable differential transformer (LVDT) has been used for gross muzzle brake efficiency measurements and recoil system performance evaluation by the calculation of recoil velocities. For a long recoil-length gun system, a combination of recoil potentiometer and LVDT is used extensively. In order to dispense with the use of recoil potentiometer in the above combination, the article proposes the use of the lea

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Uribe Martínez, Jorge Mario, Leidy Johana Quintero Rodríguez, Liliana Tirado-Mejía, and Francisco Javier Ibargüen. "ACONDICIONAMIENTO Y DIGITALIZACIÓN DE LA SEÑAL DE UN LVDT PARA LA MEDICIÓN DEL PERFIL DE UNA SUPERFICIE SÓLIDA Acondicionamiento y Digitalización de un LVDT." Revista de Investigaciones Universidad del Quindío 25, no. 1 (2014): 113–19. http://dx.doi.org/10.33975/riuq.vol25n1.160.

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El LVDT es el elemento más importante para la medición de los perfiles utilizando un perfilómetro de contacto y su función es convertir las variaciones de desplazamiento de una aguja en variaciones de voltaje, a través del desplazamiento del núcleo de una bobina acoplado a la aguja. El desplazamiento del núcleo a escala completa se determinó midiendo el recorrido total que hace la aguja, obteniendo el mismo voltaje en el secundario para los desplazamientos extremos. Con este valor y con el de los voltajes del primario y secundario se encontró una alta sensibilidad para el LVDT del perfilómetro

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Kim, Soo-Sung, Chul-Yong Lee, Kee-Nam Choo, and Jin-Hyun Koh. "Laser Beam Welding Technology of Seal Tube for Radiation-Resistant LVDT Manufacturing." Journal of the Korean Welding and Joining Society 29, no. 5 (2011): 4–10. http://dx.doi.org/10.5781/kwjs.2011.29.5.502.

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Kasprzyk, Jerzy, Piotr Krauze, Sebastian Budzan, and Jaroslaw Rzepecki. "Vibration control in semi-active suspension of the experimental off-road vehicle using information about suspension deflection." Archives of Control Sciences 27, no. 2 (2017): 251–61. http://dx.doi.org/10.1515/acsc-2017-0016.

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Abstract The efficiency of vibration control in an automotive semi-active suspension system depends on the quality of information from sensors installed in the vehicle, including information about deflection of the suspension system. The control algorithm for vibration attenuation of the body takes into account its velocity as well as the relative velocity of the suspension. In this paper it is proposed to use the Linear Variable Differential Transformer (LVDT) unit to measure the suspension deflection and then to estimate its relative velocity. This approach is compared with a typical solutio

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