Measurement最新文献_第4页

Enhanced multi-band acoustic sensing from quasi-bound states in the continuum 连续介质中准束缚态的增强多波段声传感

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-22 DOI: 10.1016/j.measurement.2025.117949

Junrui Jiao, Dejie Yu

引用次数: 0

Optimizing process monitoring: Adaptive CUSUM control chart with hybrid score functions 优化过程监控：具有混合评分功能的自适应CUSUM控制图

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117847

Babar Zaman , Syed Zeeshan Mahfooz , Naveed Khan , Saddam Akber Abbasi

{"title":"Optimizing process monitoring: Adaptive CUSUM control chart with hybrid score functions","authors":"Babar Zaman , Syed Zeeshan Mahfooz , Naveed Khan , Saddam Akber Abbasi","doi":"10.1016/j.measurement.2025.117847","DOIUrl":"10.1016/j.measurement.2025.117847","url":null,"abstract":"<div><div>The Cumulative Sum (CUSUM) Control Chart (CC) is a powerful tool for detecting small to moderate shifts in process parameters. While the traditional CUSUM CC determines the shift magnitude, it may not effectively handle a wide range of shifts encountered in real-world applications. To address this, an adaptive CUSUM (ACUSUM) CC has been developed. This study introduces a novel ACUSUM CC by integrating Huber and Bi-square score functions, which possess unique attributes such as monotonicity and redescending properties. Despite their individual advantages, limited research has explored their combined use in ACUSUM CC design. By amalgamating these functions into a unified formulation, we propose an innovative ACUSUM CC capable of effectively monitoring shifts of varying magnitudes in the process location parameter. The proposed CC is assessed through Monte Carlo simulations under both zero-state and steady-state conditions. Key performance metrics, including Average Run Length (ARL), median run length (MDRL), and Standard Deviation of Run Length (SDRL), are used to evaluate the ability of the proposed CC to detect individual shifts. Additionally, relative ARL, extra quadratic loss, and the process capability index are utilized to measure efficiency across a range of shifts, ensuring a comprehensive performance evaluation. A comparative analysis based on performance metrics and visual representations highlights the superior performance of the proposed CC over conventional methods. Furthermore, its application in energy usage analysis demonstrates its effectiveness in detecting anomalies, supporting proactive decision-making for optimizing energy consumption and resource allocation. These findings confirm the practicality, reliability, and enhanced monitoring capabilities of the proposed ACUSUM CC in real-world industrial and environmental scenarios.</div></div>","PeriodicalId":18349,"journal":{"name":"Measurement","volume":"254 ","pages":"Article 117847"},"PeriodicalIF":5.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144154832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Attenuation compensation for microwave imaging in highly lossy media 高损耗介质中微波成像的衰减补偿

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117918

Janghoon Jeong , Won-Kwang Park , Seong-Ho Son

引用次数: 0

Innovations in wearable biosensors: A pathway to 24/7 personalized healthcare 可穿戴生物传感器的创新：通往24/7个性化医疗保健的途径

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117938

Ira Singh , Santosh Kumar , Joonseok Koh

{"title":"Innovations in wearable biosensors: A pathway to 24/7 personalized healthcare","authors":"Ira Singh , Santosh Kumar , Joonseok Koh","doi":"10.1016/j.measurement.2025.117938","DOIUrl":"10.1016/j.measurement.2025.117938","url":null,"abstract":"<div><div>Recent advancements in wearable biosensors have transformed personalized healthcare by enabling real-time monitoring of physiological and biochemical signals. This review highlights the pivotal role of advanced materials, including nanomaterials (e.g., MXenes, graphene, gold nanowires), hydrogels, and bio-derived materials, in enhancing the sensitivity, stretchability, and biocompatibility of wearable devices. Focusing on chemical biomarkers such as glucose, lactate, and pH, alongside physical signals like temperature and motion, the review underscores their applications in sweat, saliva, tears, and interstitial fluid monitoring. Integration with cutting-edge transduction mechanisms, such as electrochemical and optical sensing, is explored to demonstrate their potential for accurate, continuous health tracking. While addressing challenges like material durability and scalability, this review identifies opportunities for advancing wearable biosensor design and real-world implementation. This material-focused perspective provides valuable insights for researchers and industry professionals aiming to develop next-generation wearable biosensors that are both effective and user-friendly for daily use.</div></div>","PeriodicalId":18349,"journal":{"name":"Measurement","volume":"254 ","pages":"Article 117938"},"PeriodicalIF":5.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Design and evaluation of FBG-based vascular shape reconstruction sensors through animal experiments 基于fbg的血管形态重建传感器的设计与动物实验评价

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117769

Yimin Luo , Shijia Chen , Cheng Wang , Yuting Ni , He Zhang , Shengnan Lyu , Tianxue Zhang

{"title":"Design and evaluation of FBG-based vascular shape reconstruction sensors through animal experiments","authors":"Yimin Luo , Shijia Chen , Cheng Wang , Yuting Ni , He Zhang , Shengnan Lyu , Tianxue Zhang","doi":"10.1016/j.measurement.2025.117769","DOIUrl":"10.1016/j.measurement.2025.117769","url":null,"abstract":"<div><div>Vascular interventional procedure primarily relies on iodine contrast agent angiography, exposing both patients and medical personnel to radiation. The urgent demand for radiation-free, flexible, and real-time diagnostic methods for vascular interventional surgery triggers this study. A multi-grating three-core fiber Bragg grating (FBG) sensor with an integrated flexible conduit device has been investigated. A porcine artery shape reconstruction experiment is conducted using the device, and an in-vivo experimental protocol is proposed. Vascular shape is reconstructed using an improved HEM (i-HEM) algorithm and compared with computed tomography (CT) images. The average reconstruction errors of 1.5116 mm and 2.1674 mm with percentage errors of 0.8892% and 1.2749% respectively suggest high accuracy of the i-HEM algorithm in vascular shape reconstruction. Additionally, the MRI compatibility of the flexible catheter device is validated with a signal-to-noise (SNR) ratio of 2.90%. This study provides a feasible solution for diagnosing vascular intervention using FBGs.</div></div>","PeriodicalId":18349,"journal":{"name":"Measurement","volume":"254 ","pages":"Article 117769"},"PeriodicalIF":5.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144166252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development and implementation of an FPGA-based embedded real-time digital simulator 基于fpga的嵌入式实时数字模拟器的开发与实现

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117786

Mehmet Rıza Sarac, Omur Aydogmus

{"title":"Development and implementation of an FPGA-based embedded real-time digital simulator","authors":"Mehmet Rıza Sarac, Omur Aydogmus","doi":"10.1016/j.measurement.2025.117786","DOIUrl":"10.1016/j.measurement.2025.117786","url":null,"abstract":"<div><div>This paper presents the development and implementation of a reconfigurable embedded real-time digital simulator system using an affordable Field Programmable Gate Array (FPGA) development board to simulate an RL circuit and a Permanent Magnet DC (PMDC) motor. These systems were selected for their fundamental structure, comprising essential components such as resistors (<span><math><mi>R</mi></math></span>) and inductors (<span><math><mi>L</mi></math></span>) for electrical systems, and friction (<span><math><mi>B</mi></math></span>) and inertia (<span><math><mi>J</mi></math></span>) in mechanical systems, along with the interactions between these components, which are widely used in modeling various circuits and systems. The real physical systems and their corresponding FPGA-based real-time digital simulators were operated concurrently under identical conditions. To evaluate the performance of the real-time digital simulators, the results from both the physical and simulator systems were compared and visualized using an oscilloscope. The latencies of the FPGA-based real-time digital simulators designed for this study were observed to be approximately 10 <span><math><mi>μ</mi></math></span>s for the RL circuit and 16 <span><math><mi>μ</mi></math></span>s for the PMDC motor. The total simulation time required by PC-based software simulators was measured to be around 5 to 20 ms for a 2 ms transient simulation of RL circuit and 2.08 s for a 0.2 s transient simulation of the PMDC motor. The focus on the RL circuit and PMDC motor in this study was chosen to enhance clarity and accessibility for researchers and practitioners. The methodology outlined in this paper provides a versatile framework that can be adapted to develop real-time digital simulators for a wide range of systems and applications.</div></div>","PeriodicalId":18349,"journal":{"name":"Measurement","volume":"254 ","pages":"Article 117786"},"PeriodicalIF":5.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A-optimal sensor location subject to correlated observations via a fast exchange algorithm 通过快速交换算法对相关观测进行最优传感器定位

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117794

Dariusz Uciński

引用次数: 0

The global pixel size calibration method for a dual telecentric imaging system based on a sphere array 基于球面阵列的双远心成像系统全局像素尺寸标定方法

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117919

Wenmeng Chen, Hongxi Wang, Huihui Tian, Jinkang Yang

{"title":"The global pixel size calibration method for a dual telecentric imaging system based on a sphere array","authors":"Wenmeng Chen, Hongxi Wang, Huihui Tian, Jinkang Yang","doi":"10.1016/j.measurement.2025.117919","DOIUrl":"10.1016/j.measurement.2025.117919","url":null,"abstract":"<div><div>To enhance visual measurement precision, this paper presents a precision steel ball array calibration board specifically designed for bi-telecentric imaging systems. The calibration board, consisting of a spherical target array and a base, enables camera-wide pixel size calibration. Based on this calibration board, we propose a comprehensive pixel size calibration method that first detects the spherical targets through sub-pixel detection and circle fitting to determine center positions and diameters. The pixel size at each circle center is then calculated using the nominal diameter. Subsequently, these center pixel sizes serve as skeleton points for thin-plate spline interpolation, yielding smooth camera-wide pixel size calibration results. Additionally, we develop a method for calculating distances between image feature points. In experimental measurements of gauge plug diameters at various positions within the camera field of view, the maximum mean absolute error did not exceed 0.021 mm—a 60 % reduction compared to conventional measurement methods. This approach effectively minimizes measurement errors caused by changes in the position of measured objects.</div></div>","PeriodicalId":18349,"journal":{"name":"Measurement","volume":"254 ","pages":"Article 117919"},"PeriodicalIF":5.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144154834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Acoustic energy harvesting and modeling from distributed feedback quantum cascade laser based sensor system 分布式反馈量子级联激光传感器系统的声能采集与建模

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117940

Filiz Sari, Ismail Bayrakli

{"title":"Acoustic energy harvesting and modeling from distributed feedback quantum cascade laser based sensor system","authors":"Filiz Sari, Ismail Bayrakli","doi":"10.1016/j.measurement.2025.117940","DOIUrl":"10.1016/j.measurement.2025.117940","url":null,"abstract":"<div><div>This study analyzes acoustic energy harvesting from a distributed feedback quantum cascade laser (DFB-QCL)-based sensor system. The system integrates a DFB-QCL as an optical excitation source and a custom-designed photoacoustic resonator to generate and detect acoustic waves. A Cockcroft–Walton voltage multiplier (CWVM) converts the resulting electrical signal into direct current voltage.</div><div>Capacitor tests for the VM are conducted under open-circuit and loaded conditions. Considering voltage conversion efficiency, mean voltage, and ripple, 22 µF capacitors are selected as optimal and used in all subsequent analyses. Experiments with up to four-stage VMs are conducted using ten load resistances. The fourth-stage VM delivers 6.4 mW of mean power under a 10 kΩ load, with an energy efficiency of 26.7%. These findings indicate the system’s potential to power self-sufficient sensor networks and low-power electronic devices, especially in remote or inaccessible environments.</div><div>A mathematical model is developed to describe the relationship between acoustic input, load resistance, and VM output. The model reflects the nonlinear characteristics derived from the time-domain analysis of the VM circuit and is constructed from experimental data. Its accuracy is validated using the mean squared error (MSE), root mean squared error (RMSE), and coefficient of determination (R<sup>2</sup>) metrics, yielding low error rates with R<sup>2</sup> values ranging from 0.972 to 0.991. Mean voltage and power outputs are fitted by power series functions of load resistance, achieving goodness of fit above 99%. The high level of agreement between the fitted and modeled results demonstrates the model’s reliability in representing stage-dependent system behavior.</div></div>","PeriodicalId":18349,"journal":{"name":"Measurement","volume":"254 ","pages":"Article 117940"},"PeriodicalIF":5.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Radiation enhanced sensitivity of temperature and curvature sensor based on Bi/Er Co-doped fibre with ultra-broadband emission 基于Bi/Er共掺光纤超宽带发射辐射增强灵敏度的温度曲率传感器

IF 5.2 2区工程技术

Measurement Pub Date : 2025-05-21 DOI: 10.1016/j.measurement.2025.117936

Zhexu Huang , Yanhua Luo , Jianxiang Wen , Tingyun Wang , Chengbo Mou , Wei Chen , Shuen Wei , Weiwen Zou , Xiaohong Sun , Asrul Izam Azmi , Gang-Ding Peng

{"title":"Radiation enhanced sensitivity of temperature and curvature sensor based on Bi/Er Co-doped fibre with ultra-broadband emission","authors":"Zhexu Huang , Yanhua Luo , Jianxiang Wen , Tingyun Wang , Chengbo Mou , Wei Chen , Shuen Wei , Weiwen Zou , Xiaohong Sun , Asrul Izam Azmi , Gang-Ding Peng","doi":"10.1016/j.measurement.2025.117936","DOIUrl":"10.1016/j.measurement.2025.117936","url":null,"abstract":"<div><div>To accommodate the growing scale and diverse applications of fibre optic sensing networks, a temperature and curvature sensing system suitable for radiation environment is proposed based on Bi/Er co-doped fibre (BEDF) with offset-core and ultra-broadband emission. First, two sections of BEDFs were employed to construct an ultra-broadband light source and a Mach-Zehnder Interferometer (MZI) for the sensing system, respectively. Then, the sensing performance of the MZI was evaluated through simulations and experiment. Especially, the impact of gamma radiation on sensing characteristics was evaluated by comparing MZI sensors based on irradiated and non-irradiated BEDFs. Both simulations and experiment results confirmed that the sensitivity improved due to an increase of the refractive index for the fibre core of BEDF, attributed to radiation-induced refractive index change. The sensing results indicate that for the irradiated BEDF based sensor, the maximum temperature sensitivity at 1592 nm was up to 90 pm/℃ with an increase of 50 %, while the maximum curvature sensitivity at 1550 nm was 5.66 nm/m<sup>−1</sup> with an increase of 226 %, respectively. Such sensitivity enhancement further demonstrates that 50 kGy gamma ray irradiated BEDF had an increase of effective refractive index of 10<sup>-3</sup> order. Moreover, the proposed MZI sensing system, featuring a broadband near-infrared emission exceeding 500 nm, exhibits great potential for temperature and curvature detection in the Internet of Things (IoT) and ultra-large-scale sensor networks.</div></div>","PeriodicalId":18349,"journal":{"name":"Measurement","volume":"254 ","pages":"Article 117936"},"PeriodicalIF":5.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0