... 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...

... Stress (materials) Strain measurement Vibration Sensors Semi‐integral abutment bridge Wireless Load testing Load rating Fiber reinforced polymer America's infrastructure was given a “D” grade in 2009 by the American Society of Civil Engineers (ASCE, 2010). As part of the infrastructure...

..., 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...

... © Emerald Group Publishing Limited 2012 Inspection Length Surface finish Vibration 3‐D X‐ray Manufacturing today is much more than just making chips. Just as important is quality control from beginning to end of the manufacturing process. Sensor makers have been stepping forward...

... where the data are processed by the OMNITREND^® software. Vibration spectrums can be analyzed for order spectrum, phase cepstrum, cross‐channel phase, orbits, run‐up and coast down, bump tests, negative averaging and more. Various alarm notifications are possible based on International...

...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...

... areas, robustness to different kinds of user input gesture, or ruggedness, especially for outdoor settings. © Emerald Group Publishing Limited 2005 Acoustic measurement Glass Transducers Vibration Glass is now a very common construction material, often used as clear walls...

...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 Condition monitoring Kistler's vibration monitor for condition monitoring Keywords: Vibration, Condition monitoring Kistler's vibration monitor, type 5835A, is designed for the continuous condition monitoring of rotating...

... © MCB UP Limited 1999 --> Vibration New PC-based vibration control system boosts performance, lowers costs, leverages Internet Keyword: Vibration In a move designed to shake up price-performance structures, Spectral Dynamics (SD) today announced a new PC-based...

... Using Ometron's scanning laser Doppler vibrometer as the transducer to collect data, the combined non-contact system not only eliminates the need for accelerometers, it also speeds up data collection. "MasterScan 6 frees the vibration engineers by providing a link between the computer-based...

... © MCB UP Limited 1999 --> 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...

... Ometron's VPI 4000 vibration pattern imager has transformed acoustic design from a "voodoo rite"into a science, according to top US audio speaker company Mackie Designs. Specialising in developing speakers for recording studios, Mackie Designs turned to the VPI 4000 for help in transforming...

... © MCB UP Limited 1998 --> Non-contact Ometron Sensors Vibration No great shakes measured by "point-and-shoot" vibrometer Keywords Non-contact,Ometron, Sensors, Vibration Tiny changes in the vibration patterns of industrial plant and machinery can provide tell...