Zhaorui Xu

Integrated OBN Acquisition Solutions

Min Cao, Yi Zheng, Zhaorui Xu, Chris Walker et autres

Summary This paper explores integrated Ocean Bottom Node (OBN) data acquisition solutions, focusing on overcoming the challenges posed by complex geological environments. It highlights how integrating advanced OBN technology with fit-for-purpose seismic vessels improves HSE performance, data quality and efficiency. The paper …

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M‐Net: A Skin Cancer Classification With Improved Convolutional Neural Network Based on the Enhanced Gray Wolf Optimization Algorithm

Zhaorui Xu, Xiaoxia Zhang, Luzhou Liu

ABSTRACT Skin cancer is a common malignant tumor causing tens of thousands of deaths each year, making early detection essential for better treatment outcomes. However, the similar visual characteristics of skin lesions make it challenging to accurately differentiate between lesion types. With …

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Optimization of Shifting Quality for Hydrostatic Power-Split Transmission with Single Standard Planetary Gear Set

Zhaorui Xu, Jiabo Wang, Yanqiang Yang, Guangming Wang et autres

To improve the driving comfort of continuously variable transmission (CVT) tractors, the shifting quality of hydrostatic power-split transmission with a standard planetary gear set was optimized. Firstly, the powertrain of the CVT and two shift strategies, direct-shift and bridge-shift, were introduced; then, …

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Design and Implementation of Elevator Running with the Door Open Failure Monitoring System

Ruize Sun, Xin’an Wang, Chuqiao Feng, Huancheng Xiao et autres

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The Application of Quaternion on Attitude Correction of Ocean Bottom Node

R. T. Lei, Haojie Liu, Zhaorui Xu, Xiaoxiao Wei et autres

Summary In multi-component seismic exploration projects that use ocean bottom nodes as recording instrument, the attitude correction of nodes is a crucial step. The process can be roughly described as recording the deviation angles of nodes in three mutually perpendicular directions (Pitch, …

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Analysis of the shift quality of a hydrostatic power split continuously variable cotton picker

Wanqiang Chen, Zhaorui Xu, Yeqi Wu, Yehui Zhao et autres

In order to improve the ride comfort of a continuously variable cotton picker, the shift quality of the cotton picker is analysed. Firstly, the transmission principle of the hydrostatic power split continuously variable transmission (CVT) with a single planetary gear set is …

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Hybrid sound-absorbing foam materials with nanostructured grit-impregnated pores

С. П. Бардаханов, C.-M. Lee, Vladimir Nicholas Goverdovskiy, A. P. Zavjalov et autres

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A multi-resolution filtered-x LMS algorithm based on discrete wavelet transform for active noise control

Zhi Qiu, C.-M. Lee, Zhaorui Xu, Lingge Sui

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Application of Modal Parameter Estimation Methods for Continuous Wavelet Transform-Based Damage Detection for Beam-Like Structures

Zhi Qiu, C.-M. Lee, Zhaorui Xu

This paper presents a hybrid damage detection method based on continuous wavelet transform (CWT) and modal parameter identification techniques for beam-like structures. First, two kinds of mode shape estimation methods, herein referred to as the quadrature peaks picking (QPP) and rational fraction …

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A Study of the Virtual Microphone Algorithm for ANC System Working in Audio Interference Environment

Zhaorui Xu, C.-M. Lee, Zhi Qiu

Two kinds of anti-audio interference active noise control (ANC) algorithms are proposed based on a conventional filtered-X least mean squares virtual microphone (FXLMS-VM) algorithm. The proposed filtered-X least mean squares virtual microphone and anti-audio interference (FXLMS-VM-AI) algorithm employs an extra audio path …

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Wireless interrogation of passive crack sensor

Zhaorui Xu, Yi Jia, R Valentín, G Portela