نتایج جستجو برای: bearing machine parts

تعداد نتایج: 484953  

Journal: :Vibrations in engineering and technology 2020

Journal: :International journal of automation technology 2021

The objective of this research is to investigate an on-machine estimation method achieve efficient and fast the fixturing force workpiece deformation. enables us visualize workholding states improves machining accuracies thin-walled parts. In research, a systematic which combines simulation locally measured strain proposed evaluated. evaluated in different conditions (clamping sequences forces)...

Journal: :Journal of Sensor Science and Technology 2008

Journal: :Shock and Vibration 2022

The detection of faults related to the optimal condition induction motors is an important task avoid malfunction or loss motor, thus avoiding high repair replacement costs and in efficiency process which they belong. These are not limited a single area; mechanical electrical problems can cause fault. Specifically, bearing motor subjected several effects that faults, significant breakdowns machi...

2006
Kiyotaka Uchimoto Naoko Hayashida Toru Ishida Hitoshi Isahara

We developed a method for automatically distinguishing the machine-translatable and non-machine-translatable parts of a given sentence for a particular machine translation (MT) system. They can be distinguished by calculating the similarity between a source-language sentence and its back translation for each part of the sentence. The parts with low similarities are highly likely to be non-machi...

It is important to determine the appropriate planting density in the conditions of using old seedlings of paddy rice. For this purpose, a field experiment was conducted as a randomized complete block design at Qaemshahr, Northern Iran, in four replications and in two years, 2020 and 2021. Plant densities consisted of manual-traditional planting of up to 11 hills/m2 (with unequal planting spaces...

2010
W. T. Kim D. Y. Kim J. W. Lee D. P. Hong

In this paper, the novel approach for the rotating machine as diagnosis method in detecting the faults during its operation was proposed based upon the infrared thermograph technique. As experimental works, by performing the test of operation at several lubrication conditions for the ball bearing applied in the rotating machine which there has been used broadly, diagnosis evaluation and fault a...

Journal: :IEEE Trans. Instrumentation and Measurement 2006
Ruqiang Yan Robert X. Gao

This paper presents a signal analysis technique for machine health monitoring based on the Hilbert-Huang Transform (HHT). The HHT represents a time-dependent series in a two-dimensional (2-D) time-frequency domain by extracting instantaneous frequency components within the signal through an Empirical Mode Decomposition (EMD) process. The analytical background of the HHT is introduced, based on ...

Journal: :IJAPUC 2013
Jun Zhang Shuhua Wang Zheng-Ling Yang

This paper has described the measurement method of the phone slot on the assembly line. The method is based on computer vision. After reducing the effect of noise through fast median method, the authors locate the target area. Thus the authors extract the target area. The authors have proposed an edge detection algorithm based on the improved canny operator. The authors also have put forward th...

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