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Hardware-in-the-Loop Testing of Vehicle’s Electronic Stability Control System 汽车电子稳定控制系统硬件在环试验研究
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.18485/aeletters.2023.8.2.4
E. Toropov, A. Tumasov, A. Vashurin, D. Butin, E. Stepanov
: Conducting laboratory and field testing is a classic approach to the development and certification of vehicles and their automotive components. These processes are costly and time-consuming. The serial installation of mechatronic systems in the car forced software and electronic systems engineers to master a new approach to testing and development - "physical" simulation (Hardware-in-the-loop). The aim of the research in this article is to develop, implement and validate a “physical” simulation method for evaluating the performance of Electronic Stability Control (ESC) systems. In this research, an ESC HIL-testbench, a mathematical model of the vehicle curvilinear movement in Adams Car, and a method for converting it into a Simulink-model, that allows generating a C-code, were developed and implemented. To assess the adequacy and correctness of the “physical” simulation, full -scale dynamic manoeuvres were carried out on the object of research - the Gazelle Next vehicle with ESC-system “ Bosch ESP 9.1 ” . In this article, the results of road tests and simulations, as well as an assessment of their convergence, are presented in tabular and graphical forms. The maximum discrepancy was 19% with the maximum allowable one up to 25% in accordance with the standard ISO 19635.
进行实验室和现场测试是车辆及其汽车零部件开发和认证的经典方法。这些过程既昂贵又耗时。汽车中机电系统的连续安装迫使软件和电子系统工程师掌握一种新的测试和开发方法——“物理”模拟(硬件在环)。本文研究的目的是开发、实施和验证一种“物理”仿真方法来评估电子稳定控制(ESC)系统的性能。在本研究中,开发并实现了ESC hil试验台,Adams汽车曲线运动的数学模型,以及将其转换为simulink模型的方法,该模型可以生成c代码。为了评估“物理”模拟的充分性和正确性,研究人员对研究对象——安装了esc系统“博世ESP 9.1”的Gazelle Next进行了全尺寸动态模拟。在本文中,道路测试和模拟的结果,以及对其收敛性的评估,以表格和图形形式呈现。根据ISO 19635标准,最大误差为19%,最大允许误差为25%。
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引用次数: 1
Study of Stability of the Shot Peening Induced Compressive Residual Stresses into C55 Steel at Elevated Temperatures 喷丸强化C55钢高温残余压应力稳定性研究
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.18485/aeletters.2023.8.1.3
M. Vicen, L. Trško, O. Bokůvka, F. Nový, R. Nikolić, J. Pastorková
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引用次数: 0
Building Density Impact on Final Energy Consumption for Artificial and Automatic Lighting Control System in the Sports Hall — Numerical Case Study Analysis 建筑密度对体育馆人工照明和自动照明控制系统最终能耗的影响——数值案例研究分析
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.18485/aeletters.2023.8.3.2
Aleksandar Nešović, Strahinja Djurović, Dragan Cvetković, Miljan Marašević
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引用次数: 0
Enhancing Handheld Polishing Machine Selection: An Integrated Approach of Marcos Methods and Weight Determination Techniques 加强手持式抛光机的选择:马科斯方法和重量测定技术的综合方法
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.18485/aeletters.2023.8.3.5
Xuan Truong Nguyen, Aleksandar Ašonja, Duc Trung Do
: The handheld polishing machine plays a pivotal role in enhancing the aesthetics of household products, making it a vital device. This research aims to identify the optimal option among the available types. Thirteen diverse handheld polishing machines were utilized for evaluation. Six key criteria were carefully chosen to assess each alternative, encompassing price, capacity, polishing disc diameter, polishing disc speed at idle, machine weight, and supplier warranty period. The relative importance of these criteria was determined using four distinct methods: Equal weighting, RS ( Rank Sum ) weighting, ROC ( Rank Order Centroid ) weighting, and Entropy weighting. The MARCOS ( Measurement Alternatives and Ranking according to COmpromise Solution ) method was employed to rank the alternatives. Remarkably, all four different weighting methods consistently led to the same conclusion, identifying the best and worst options.
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引用次数: 1
Temperature Conditions and Diagnostics of Bearings 轴承的温度条件和诊断
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.18485/aeletters.2023.8.2.1
A. Pastukhov, E. Timashov, Damjan Stanojević
: The purpose of this work is to prove the effectiveness of a practical study of the temperature regime for diagnosing bearing assemblies of mechanical transmissions. Using the example of a two-row roller bearing of the rear support of the intermediate shaft of the vehicle transmission, the temperature in the friction zone under different transmission operating modes on a KAMAZ-5320 was calculated. Finite element analysis of temperature fields made it possible to determine the relationship between the temperature on the outer surface of the bearing assembly and the temperature in the friction zone through the coefficient k=0.327. The zone for temperature measurement - the bearing cover is determined and the maximum temperature of its heating is set. Thermal imaging observations confirmed the effectiveness of the developed method of technical diagnostics of bearings.
这项工作的目的是证明对诊断机械传动轴承组件的温度状况进行实际研究的有效性。以车辆变速器中间轴后支承双排滚子轴承为例,计算了KAMAZ-5320在不同工况下的摩擦区温度。温度场的有限元分析可以通过系数k=0.327确定轴承组件外表面温度与摩擦区温度之间的关系。温度测量区域-确定轴承盖并设置其加热的最高温度。热成像观察证实了轴承技术诊断方法的有效性。
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引用次数: 1
Communication Convergence for Improvement of the Unmanned Aerial Search and Rescue Missions 通信融合改进无人机搜救任务
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.18485/aeletters.2023.8.2.5
Damir Nožica, D. Blažević, T. Keser
: Exponential progress in integrated circuits, best described by Moore's Law, has enabled tremendous advances in applied computing. Today, more than ever, there are palm-sized embedded devices with computational capabilities millions of times greater than those of what was once the lead computer on the Apollo 11 mission. Such levels of integration enable the fusion of functionalities that were once unimaginable, or at least impractical. Furthermore, today's existing technologies rely mostly on one or two communication technologies to organize UAVs for efficient search and rescue missions that largely do not utilize the communication convergence principle, thus omitting the potential for better search yield and rescue success. This paper recognizes that niche where communication convergence lacks its potential and presents a concept for the convergence of Wi-Fi, Bluetooth, LoRa and/or satellite IoT communication technologies to serve as an airborne communication infrastructure, a backbone generally, and enables a swarm of unmanned aerial vehicles (UAV) to communicate efficiently wherever there is no local terrestrial communication infrastructure (such as GSM, Wi-Fi, digital radio, etc.). The concept was elaborated and applied to a use-case localization application scenario (of Wi-Fi enabled devices) for the purpose of search during rescue operations.
集成电路的指数级发展,用摩尔定律来描述是最好的,它使应用计算取得了巨大的进步。如今,比以往任何时候都多的是手掌大小的嵌入式设备,其计算能力是阿波罗11号任务中曾经的主要计算机的数百万倍。这样的集成级别使得曾经无法想象,或者至少不切实际的功能得以融合。此外,今天的现有技术主要依赖于一种或两种通信技术来组织无人机进行有效的搜索和救援任务,这些技术在很大程度上没有利用通信收敛原理,从而忽略了更好的搜索产量和救援成功的潜力。本文认识到通信融合缺乏潜力的利基市场,并提出了Wi-Fi、蓝牙、LoRa和/或卫星物联网通信技术融合的概念,作为机载通信基础设施,通常是骨干,并使一群无人机(UAV)能够在没有本地地面通信基础设施(如GSM、Wi-Fi、数字无线电等)的地方进行有效通信。该概念被详细阐述并应用于一个用例本地化应用场景(支持Wi-Fi的设备),用于救援行动期间的搜索。
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引用次数: 0
Artificial Neural Network Modeling of Tribological Parameters Optimization of AZ31-SiC Metal Matrix Composite AZ31-SiC金属基复合材料摩擦学参数优化的人工神经网络建模
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.18485/aeletters.2023.8.3.3
Kothuri Chenchu Kishor Kumar, Bandlamudi Raghu Kumar, Nalluri Mohan Rao
: This paper focuses on modeling the tribological properties of AZ31-SiC composite using an artificial neural network (ANN) fabricated through the stir casting method. The twenty-seven tests were performed with three loads (10 N, 15 N, and 20 N), three sliding speeds (0.5 m/s, 1.0 m/s, and 1.5 m/s), and three sliding distances (500 m, 750 m, and 1000 m) on wear testing machine and are used in the formation of training sets of ANN. Using the wear test data, Taguchi, Analysis of Variance (ANOVA), and regression analysis were carried out to determine the effect of the control parameters on the wear and coefficient of friction (COF). The experimental results demonstrate that the wear rate increases with an increase in load and distance and decreases with an increase in velocity. In addition, an alternative method is proposed to predict the wear and COF using ANN modeling with single and multi-hidden layer techniques. With good training, ANN gives accurate and close results to the experimental results. The results obtained using ANN modeling have a percentage of error of 4.71% and 5.79% for wear and COF respectively, when compared to experimental values. This prediction process saves time and costs for the manufacturer.
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引用次数: 0
Lean Manufacturing Based Space Utilization and Motion Waste Reduction for Efficiency Enhancement in a Machining Shop: A Case Study 基于空间利用和减少运动浪费的精益制造提高加工车间的效率:一个案例研究
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.18485/aeletters.2023.8.3.4
Leon Dube, Kapil Gupta
: Lean manufacturing is a corporate strategy that focuses on continually improving all processes in the production environment by reducing waste and costs. The implementation of lean manufacturing systems will always begin within the existing facility layout. Therefore, the arrangement of the facility has a tremendous impact on the company’s development and space utilization. This research addresses possible research gaps related to the industry's requirement for successful lean manufacturing and space utilization. In this research, an integration of lean techniques and facility layout planning has been used to optimize the workshop operation by implementing 5S and Systematic Layout Planning to rearrange machines, which eliminated waste caused by unnecessary motion. As a result, out of two alternatives of facility layout proposed, the process efficiency is improved from 53% to 66%. An efficient facility layout helps production schedules run more smoothly while minimizing costs and enhancing space utilization. It has contributed to create a safe and healthy work environment. The research is limited to optimizing space utilization and attempts to eliminate excessive motion of employees and equipment in the machining shop of a mechanical workshop. The need to close the implementation gap for lean and space utilization will make a substantial contribution to long-term industrial sustainability.
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引用次数: 0
Design and Development of a Twin Disc Test Rig for the Study of Squeal Noise from the Wheel – Rail Interface 轮轨界面尖叫噪声双盘试验台的设计与研制
Q4 Engineering Pub Date : 2022-01-01 DOI: 10.18485/aeletters.2022.7.1.2
M. Omasta, V. Navrátil, Tomáš Gabriel, R. Galas, M. Klapka
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引用次数: 2
Application of the Collaborative Unbiased Rank List Integration Method to Select the Materials 协同无偏秩表集成方法在材料选择中的应用
Q4 Engineering Pub Date : 2022-01-01 DOI: 10.18485/aeletters.2022.7.4.1
Dua Van Tran
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引用次数: 6
期刊
Applied Engineering Letters
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