Search results for: Zhixiong Lu

Items from 1 to 5 out of 5 results

article

Review of the use of air-coupled ultrasonic technologies for nondestructive testing of wood and wood products

Yiming Fang, Lujun Lin, Hailin Feng, Zhixiong Lu, more

Computers and Electronics in Agriculture > 2017 > 137 > C > 79-87

Air-coupled ultrasonic (ACU) is a contactless ultrasonic measurement method which has become increasingly popular for material characterization. This is due to a growing number of advanced materials which cannot be contaminated during the testing processes by coupling agents utilized in conventional ultrasonic testing. This paper provides a review of the applications of ACU to wood and wood products...

article

Evaluation of fractal dimension of soft terrain surface

Chunxia Jiang, Zhixiong Lu, Jin Zhou, Muhammad Sohail Memon

Journal of Terramechanics > 2017 > 70 > C > 27-34

By using a laser profiler, the roughness of sowed and plowed surfaces was obtained. Through evaluation of the precision of fractal dimensions based on the Weierstrass–Mandelbort (W–M) function, we found the rescaled (R/S) analysis method and the structure spectral method were not suitable for the calculation of the fractal dimension on a soft terrain surface. Therefore, the fractal dimension, non-scale...

chapter

Simulation of Road Surface Roughness Based on the Piecewise Fractal Function

Zhixiong Lu, Lanying Zhao, Xiaoqin Li, Jun Yuan

IFIP — The International Federation for Information Processing > Computer and Computing Technologies in Agriculture IV > 294-305

The fractal interpolation theory was used to the research of road surface roughness, and its simulating method was proposed through the piecewise fractal model. The fractal interpolation model was established for the actual road surface roughness, its influential factors and their laws of influencing were also analyzed, and then the model accuracy was confirmed by the fractal parameters and the traditional...

article

Detection of complex mechanisms of drug action for vardenafil using stem cell-derived human cardiomyocytes

Carlos Obejero-Paz, Andrew Bruening-Wright, Shengde Peng, Alina O'Connell, more

Journal of Pharmacological and Toxicological Methods > 2013 > 68 > 1 > e47-e48

chapter

Implementation of Frequency Tuning of SATMD Using New WT Method

Anzhi Yan, Jun Teng, Zhixiong Lu

2009 WRI World Congress on Software Engineering > 2 > 349 - 354

2009 WRI World Congress on Software Engineering. WCSE 2009

The semi-active variable stiffness tuned mass damper (SATMD) system is robust to change in building stiffness and damping. The control effectiveness of SATMD is dependent on the precision of frequency identification for response of high-rise building under wind excitation. The wavelet method (WT) has widely been used for studying non-stationary signals. The wavelet function varies with the different...

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Search results for: Zhixiong Lu

Review of the use of air-coupled ultrasonic technologies for nondestructive testing of wood and wood products

Evaluation of fractal dimension of soft terrain surface

Simulation of Road Surface Roughness Based on the Piecewise Fractal Function

Detection of complex mechanisms of drug action for vardenafil using stem cell-derived human cardiomyocytes

Implementation of Frequency Tuning of SATMD Using New WT Method

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