... predictions. Design/methodology/approach – The carbon nanotube (CNT) resonators are assumed to be either single or double clamped. Analytical formulas capable of describing the vibrational behavior of such CNT-based nanoresonators with an attached mass at nanotube tip or various intermediate positions...

... to refrain most of the noise and disturbance and remove the influence of operation speed of the concerned balancing machine. Based on the analysis on the spectral feature of the unbalance vibration signal, a pre-filtering circuit is designed, then the signal extension method based on AR prediction model...

... and instruments used in the major techniques, notably vibration, acoustic emission, shock pulse monitoring, wear debris analysis and thermal methods. Applications are also discussed. Findings – Condition monitoring techniques play a vital role in reducing in-service failures and unscheduled down-time...

...Jiang Qi Purpose The purpose of this paper is to compare the sensing characteristics of uniform fiber Bragg grating (FBG) and tilted fiber Bragg grating (TFBG) by presenting a detailed research review. Temperature, axial strain, bending, vibration and refractive index measurands of FBG and TFBG...

... sensor channels consisting of 11 strain transducers and 60 active accelerometer axes. The sensor locations are shown in Figure 3(a) where “S” depicts a strain sensor and “A” denotes an accelerometer. The bridge was instrumented at 30 locations with dual‐axis accelerometers for a total of 60 vibration...

..., principally accelerometers and pressure, temperature and displacement sensors, used in environments characterised by elevated temperatures, radiation and high shock and vibration levels. Findings The paper shows that a range of different strategies is employed to allow sensors to operate in extreme...

... Inspection Length Surface finish Vibration 3‐D X‐ray Veeco points out that a better understanding of the wear pattern mechanism help the designer improve the product life. Progressive surface modifications such as pitting, cracking, deformation or material transfer can greatly change the component...

... to reduce the user's cost of employing. Vibration Infra‐red devices Lasers X‐rays The wide range of sensor exhibitors at the Assembly Automation and Technology Show highlights how increasingly important sensor technology is in the manufacturing environment. Just making product cheaply...

...Zhimeng Luo; Jianzhong Zhou; Xiuqiao Xiang; Yaoyao He; Shan Peng Purpose Shaft orbit is an important characteristic for vibration monitoring and diagnosing system of hydroelectric generating set. Because of the low accuracy and poor reliability of traditional methods in identifying the shaft orbit...

... cycles its operation depending upon the energy being harvested. The harvested energy is stored on a supercapacitor and the system samples sufficient vibration data to enable an FFT to be performed at the receiver. Findings The results of this study show it is perfectly feasible to power practical...

... Publishing Limited 2005 Acoustic measurement Glass Transducers Vibration A major research thrust in human‐computer‐interaction (HCI) is centered around investigating large display walls (Funkhouser and Li, 2000). When they are made interactive, large displays open up entirely new types...

...Robert W. Bogue Purpose To provide corporate and technical details of the US‐based Endevco Corporation. This company is a leading manufacturer of sensors and systems for measuring vibration, shock and other physical variables. Design/methodology/approach – This profile considers the Endevco...

... © MCB UP Limited 2002 --> Vibration Sensors Keywords: Vibration, Sensors A new pure-mechanical vibration detector from Omron allows OEMs to build-in earthquake or shock protection without relying on environmentally hostile mercury switches (Plate 2). Plate 2...

... © MCB UP Limited 2001 --> Vibration Sensors Detecting dead wood Keywords: Vibration, Sensors The traditional method of checking crossarms on wooden power poles for rot has been to climb the pole and hit the crossarm with a hammer, then listen for the sound of dead wood...

... © MCB UP Limited 1999 --> Vibration New PC-based vibration control system boosts performance, lowers costs, leverages Internet Keyword: Vibration For additional information, please contact: Ute Bummel, Spectral Dynamics Inc., 1983 Concourse Drive, San Jose, CA...

... Kistler also manufacture a wide range of ICP-compatible sensors for use with the vibration monitor. In particular the new vibration sensor, type 8141A, has been developed for these applications. For further information, please contact: Chris Collins, sales and marketing engineer. Tel: +44...

... Noise measurement Survey Vibration Legislation, R&D investment and EU enlargement poised to provide stimulus for growth in noise and vibration monitoring markets Keywords Noise measurement, Survey, Vibration The European Market for Noise and Vibration Monitoring...

... © MCB UP Limited 1999 --> Ometron Vibration Ometron's new software puts vibration engineers on the spot Keywords Ometron,Vibration Attaching tens or even hundreds of accelerometers to a car or aeroplane component to see whether it vibrates in the same way as its...

... Until now, the only non-contact equipment capable of accurately measuring such small vibration changes directly for condition monitoring purposes has been confined to the laboratory. Single-point laser vibrometers have been too cumbersome and temperamental for use on the factory floor...

... Mackie Designs' chief executive Greg Mackie compares the VPI 4000's use of fast Fourier-transform vibration analysis to develop his company's HR824 active monitor with that of the oscilloscope in electronic design. "The VPI 4000 has proved its worth in selecting and optimising the HR824's...