Instruments & Instrumentation

Article Automation & Control Systems

MoS2-Templated Porous Hollow MoO3 Microspheres for Highly Selective Ammonia Sensing via a Lewis Acid-Base Interaction

Fanli Meng, Tianyao Qi, Junjie Zhang, Hongmin Zhu, Zhenyu Yuan, Congyue Liu, Wenbo Qin, Mengning Ding

Summary: This article reports the synthesis of porous and hollow MoO3 microspheres for the detection of ammonia gas. The study found that p-h-MoO3 exhibits ultrahigh responsiveness to ammonia with significant selectivity. The composition and morphology of p-h-MoO3 were characterized using microscopic and spectroscopic techniques, and the sensing mechanism was investigated using X-ray photoelectron spectroscopy and diffuse reflectance Fourier transform infrared spectroscopy.

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS (2022)

Article Automation & Control Systems

Semi-supervised meta-learning networks with squeeze-and-excitation attention for few-shot fault diagnosis

Yong Feng, Jinglong Chen, Tianci Zhang, Shuilong He, Enyong Xu, Zitong Zhou

Summary: In this paper, a semi-supervised meta-learning network with attention mechanism is proposed for few-shot fault diagnosis in mechanical systems. The method utilizes unlabeled data to improve fault recognition and achieves outstanding adaptability in different situations, as demonstrated through experiments with bearing vibration datasets.

ISA TRANSACTIONS (2022)

Article Engineering, Electrical & Electronic

Localized Plasmon-Based Multicore Fiber Biosensor for Acetylcholine Detection

Guo Zhu, Yu Wang, Zhi Wang, Ragini Singh, Carlos Marques, Qiang Wu, Brajesh Kumar Kaushik, Rajan Jha, Bingyuan Zhang, Santosh Kumar

Summary: This work investigates the fabrication of sensor structures by splicing tapered/etched multicore fiber probes with multimode fiber and immobilizing them with gold nanoparticles and molybdenum disulfide nanoparticles to enhance sensitivity. The morphology of the nanoparticles is examined using high-resolution transmission electron microscopy, and the immobilized optical fiber sensor structures are characterized using scanning electron microscopy and SEM-EDX. The functionalization of the acetylcholinesterase enzyme over the nanoparticle-immobilized probe increases sensor specificity. The developed sensor probes are tested for detecting various concentrations of acetylcholine, and performance analyses are performed. The developed tapered fiber sensor exhibits a high sensitivity and wide detection range.

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT (2022)

Article Automation & Control Systems

An Enhanced Equivalent Circuit Model With Real-Time Parameter Identification for Battery State-of-Charge Estimation

Farshid Naseri, Erik Schaltz, Daniel-Ioan Stroe, Alejandro Gismero, Ebrahim Farjah

Summary: This article introduces an efficient modeling approach based on the Wiener structure to enhance the capacity of classical equivalent circuit models in capturing the nonlinearities of Li-ion batteries. The proposed method combines a linear ECM with a static output nonlinearity block to achieve superior nonlinear mapping property while maintaining real-time efficiency. The observability of the battery model is analytically proven, and an efficient parameter estimator is introduced for real-time estimation of the Wiener model's parameters.

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS (2022)

Article Chemistry, Analytical

Computational Valuation of Darcy Ternary-Hybrid Nanofluid Flow across an Extending Cylinder with Induction Effects

Khalid Abdulkhaliq M. Alharbi, Ahmed El-Sayed Ahmed, Maawiya Ould Sidi, Nandalur Ameer Ahammad, Abdullah Mohamed, Mohammed A. El-Shorbagy, Muhammad Bilal, Riadh Marzouki

Summary: This research reports the flow of an electroconductive incompressible ternary hybrid nanofluid with heat conduction in a boundary layer including metallic nanoparticles. A computational model is designed to enhance the mass and energy conveyance rate, improving the performance and efficiency of thermal energy propagation. The variation of ternary hybrid NPs significantly enhances the thermophysical features of the base fluid.

MICROMACHINES (2022)

Article Engineering, Multidisciplinary

Predicting electrical power output of combined cycle power plants using a novel artificial neural network optimized by electrostatic discharge algorithm

Yinghao Zhao, Loke Kok Foong

Summary: This paper proposes a reliable predictive tool for the electrical power output of combined cycle power plants using novel soft computing methods. By combining the electrostatic discharge algorithm with an artificial neural network, the proposed hybrid outperforms conventional methods in both training and testing phases.

MEASUREMENT (2022)

Article Chemistry, Analytical

Breast Cancer Classification from Ultrasound Images Using Probability-Based Optimal Deep Learning Feature Fusion

Kiran Jabeen, Muhammad Attique Khan, Majed Alhaisoni, Usman Tariq, Yu-Dong Zhang, Ameer Hamza, Arturas Mickus, Robertas Damasevicius

Summary: This paper proposes a framework for breast cancer classification from ultrasound images using deep learning and feature fusion. The framework achieves high accuracy in early cancer detection, outperforming recent techniques.

SENSORS (2022)

Article Engineering, Multidisciplinary

Predicting compressive strength of manufactured-sand concrete using conventional and metaheuristic-tuned artificial neural network

Yinghao Zhao, Hesong Hu, Chaolin Song, Zeyu Wang

Summary: This study uses artificial neural network models to estimate the compressive strength of manufactured sand concrete. Two improved ANN models are developed using conventional algorithms and metaheuristic algorithms, respectively, and it is found that the improved models have higher accuracy. Additionally, the analysis reveals the significant impact of curing age and water to binder ratio on the compressive behavior of concrete.

MEASUREMENT (2022)

Article Engineering, Multidisciplinary

Split-core magnetoelectric current sensor and wireless current measurement application

Caijiang Lu, Hai Zhou, Linfeng Li, Aichao Yang, Changbao Xu, Zhengyu Ou, Jingqi Wang, Xi Wang, Fei Tian

Summary: This paper proposed a split-core magnetoelectric current sensor with high detection sensitivity and stability for wireless measurement of 50 Hz current. The novel design concept provides a new idea for online current monitoring of the Internet of Things in power systems.

MEASUREMENT (2022)

Article Engineering, Multidisciplinary

Crack detection of concrete structures using deep convolutional neural networks optimized by enhanced chicken swarm algorithm

Yang Yu, Maria Rashidi, Bijan Samali, Masoud Mohammadi, Thuc N. Nguyen, Xinxiu Zhou

Summary: This study proposes a vision-based crack diagnosis method using deep convolutional neural network (DCNN) and enhanced chicken swarm algorithm (ECSA) for model training and optimization. The method is tested on image patches cropped from damaged concrete samples, and its performance is evaluated using a group of statistical evaluation indicators.

STRUCTURAL HEALTH MONITORING-AN INTERNATIONAL JOURNAL (2022)

Article Chemistry, Analytical

Gas sensing performance of carbon monoxide sensor based on rod-shaped tin diselenide/MOFs derived zinc oxide polyhedron at room temperature

Dongyue Wang, Dongzhi Zhang, Qiannan Pan, Tian Wang, Fengjiao Chen

Summary: This paper introduces a high-efficiency CO gas sensor based on ZnO/SnSe2 composite film, and studies its structural characteristics, response performance, and sensing mechanism. The study found that the ZnO/SnSe2 sensor with a loading rate of 25% SnSe2 showed the highest response performance, and UV light can improve the gas-sensing characteristics of the sensor.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

Article Instruments & Instrumentation

Analysis of magnetorheological clutch with double cup-shaped gap excited by Halbach array based on finite element method and experiment

Guang Zhang, Junyu Chen, Zheng Zhang, Min Sun, Yang Yu, Jiong Wang, Shibo Cai

Summary: This study describes the magnetic analysis of a novel double cup-shaped gap magnetorheological (MR) clutch using four kinds of Halbach array to excite the MR gel. The distribution of magnetic flux density, shear yield stress, dynamic viscosity, and shear stress inside the MR gel is obtained and carefully studied. The structure of the prototype is optimized based on multi-physics analysis and the optimal MR clutch is developed and tested for magneto-static torque.

SMART MATERIALS AND STRUCTURES (2022)

Article Engineering, Multidisciplinary

Geometrical deviation modeling and monitoring of 3D surface based on multi-output Gaussian process

Chen Zhao, Jun Lv, Shichang Du

Summary: This paper proposes a spherical multi-output Gaussian process (S-MOGP) method to model and monitor geometrical deviations on 3D surfaces. By mapping the 3D surface to a 2D parameter domain and establishing a state equation based on the multi-output Gaussian process, statistics are calculated and control charts are presented to effectively model and monitor the geometrical deviations.

MEASUREMENT (2022)

Article Automation & Control Systems

Intelligent fault diagnosis of hydraulic piston pump based on deep learning and Bayesian optimization

Shengnan Tang, Yong Zhu, Shouqi Yuan

Summary: This article investigates the problem of fault diagnosis in hydraulic pumps, using a deep learning method for fault identification and introducing the Bayesian optimization algorithm for selecting hyperparameters. By comparing with traditional methods, the results show that CNN-BO can accurately achieve intelligent fault diagnosis of hydraulic pumps.

ISA TRANSACTIONS (2022)

Article Engineering, Electrical & Electronic

The Multiclass Fault Diagnosis of Wind Turbine Bearing Based on Multisource Signal Fusion and Deep Learning Generative Model

Liang Zhang, Hao Zhang, Guowei Cai

Summary: A novel multiclass wind turbine bearing fault diagnosis strategy based on the conditional variational generative adversarial network (CVAE-GAN) model combining multisource signals fusion is proposed in this study. The strategy increases diagnostic accuracy by converting multisource vibration signals into 2-D signals and fusing them.

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT (2022)

Article Chemistry, Analytical

Molecularly imprinted polymer based electrochemical sensor for quantitative detection of SARS-CoV-2 spike protein

Akinrinade George Ayankojo, Roman Boroznjak, Jekaterina Reut, Andres Opik, Vitali Syritski

Summary: The study presents an electrochemical sensor based on a molecularly imprinted polymer receptor for quantitatively detecting the S1 subunit of the spike protein of SARS-CoV-2. It has a quick response time and low detection limit, showing promise as a point-of-care testing platform for early diagnosis of COVID-19.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

Article Automation & Control Systems

A novel mathematical morphology spectrum entropy based on scale-adaptive techniques

Rui Yao, Chen Guo, Wu Deng, Huimin Zhao

Summary: This study proposes a scale-adaptive mathematical morphology spectrum entropy (AMMSE) to improve the scale selection for signal feature extraction. By reducing feature loss and automatically determining the scale, AMMSE achieves better results compared to existing methods.

ISA TRANSACTIONS (2022)

Article Engineering, Electrical & Electronic

Design and Sensitivity Improvement of Microstructured-Core Photonic Crystal Fiber Based Sensor for Methane and Hydrogen Fluoride Detection

Gyan Prakash Mishra, Dharmendra Kumar, Vijay Shanker Chaudhary, Santosh Kumar

Summary: This paper presents a gas detection sensor based on microstructured-core photonic crystal fiber, and analyzes the quantitative dependence of its guiding properties on geometrical parameters at different wavelengths. The sensor shows high sensitivity and minimal confinement loss, making it suitable for detecting gases such as methane and hydrogen fluoride.

IEEE SENSORS JOURNAL (2022)

Article Engineering, Multidisciplinary

Intelligent fault diagnosis of rolling bearings under imbalanced data conditions using attention-based deep learning method

Jun Li, Yongbao Liu, Qijie Li

Summary: The paper introduces a novel fault diagnosis approach for rolling bearings, combining DA-RNN and CBAM technologies, which enhances diagnostic accuracy by handling imbalanced datasets and utilizing convolutional neural networks.

MEASUREMENT (2022)

Article Automation & Control Systems

A new dynamic model and transfer learning based intelligent fault diagnosis framework for rolling element bearings race faults: Solving the small sample problem

Yunjia Dong, Yuqing Li, Huailiang Zheng, Rixin Wang, Minqiang Xu

Summary: This paper proposes an intelligent fault diagnosis framework based on dynamic model and transfer learning for rolling element bearings. It addresses the small sample problem by generating simulation data using a dynamic model and applying the diagnosis knowledge gained from the simulation data to real scenarios through parameter transfer strategies, ultimately improving the fault identification performance.

ISA TRANSACTIONS (2022)