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检索条件"任意字段=International Conference on Measurement and Modeling of Computer Systems"

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Estimation of rotation measurement error of objects using computer simulation 5

Estimation of rotation measurement error of objects using co...

引用

5th international Youth conference on Radio Electronics, Electrical and Power Engineering, REEPE 2023

作者： Shmatko, Ekaterina V. Sivov, Nikita Yu. Poroykov, Anton Yu. National Research University MPEI Department of Physics Named after V.A. Fabrikant Moscow Russia

ISBN: (纸本)9798350399523

In optical instrumentation, one of the tasks is to estimate the instrumental error of existing and developing measurement systems. There are two main approaches to solving this problem: theoretical estimation, physical and computer simulation. This paper presents an approach to computer simulation of an optical system for measuring the position of a freely rotating platform. The simulation was performed in the Unity3D environment. It consisted of generating synthetic images of a freely rotating platform at different positions with defined parameters. The measurement error was determined by comparing the positions measured on the synthesised images with the positions given in the simulation. The paper presents the dependence of the measurement error on the image processing parameters and on the position of the virtual camera relative to the rotating platform obtained in the simulation. © 2023 IEEE.

关键词： measurement errors

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Construction Contract Performance measurement: Investigating the Aspects of Responsibility and Digitalization 33rd

Construction Contract Performance Measurement: Investigating...

引用

33rd international conference on Organization and Technology of Maintenance, OTO 2024

作者： Trtílek, Petr Hanák, Tomáš Brno University of Technology Veveří 95 Brno602 00 Czech Republic

ISBN: (纸本)9783031805967

The success of construction projects should be based on management support for performance measurement. It is therefore essential that the performance measurement system provides the managers with the necessary data in a timely manner. This study explores the issue of responsibility for project-level performance in construction companies and reveals how contemporary digital technologies are being used to support performance measurement. An online questionnaire survey was used to collect 53 data samples representing the views and experiences of construction professionals across the Czech Republic. The results of this study show that the role of the person responsible for performance measurement is not uniformly perceived and practiced in the Czech construction industry. Furthermore, the willingness to perform performance measurement audits increases with the size of the company. From the perspective of digitalization, the awareness of modern approaches based on BIM (Building Information modeling) is satisfactory, but the analyzed data indicates that contract management and measurement is still mainly based on traditional approaches based on software tools such as Microsoft Excel and Project. This study has revealed the current approaches of Czech construction companies to contract performance measurement. The results presented suggest that inconsistency in the approach to contract measurement, together with low use of modern tools, may lead to problems in achieving the desired project-level performance. Future research should therefore focus in this direction and explore possible causal connections. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.

关键词： Construction industry

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A Contract-Based Requirement Engineering Framework for the Design of Industrial Cyber-Physical systems 13

A Contract-Based Requirement Engineering Framework for the D...

引用

13th ACM/IEEE international conference on Cyber-Physical systems (ICCPS )

作者： Lora, Michele Nuzzo, Pierluigi Univ Verona Verona Italy Univ Southern Calif Los Angeles CA 90007 USA

ISBN: (纸本)9781665409674

This work-in-progress paper presents our current effort toward the development of compositional modeling formalisms and scalable algorithms for high-assurance design of industrial cyber-physical systems, with emphasis on smart manufacturing systems. A requirement engineering methodology is implemented within CHASE, a software framework supporting contract-based representations of systems and components to facilitate analysis and design space exploration. We provide an overview of CHASE and discuss its application to the design of a robotic arm. This paper is accompanied by a poster describing the architecture of CHASE and a demonstration of its application to the case study.

关键词： Service robots Software algorithms computer architecture Cyber-physical systems Manipulators Software Space exploration

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SAR Down-Look Imaging measurement and Data Processing Method Based on Vehicle Radar System 8

SAR Down-Look Imaging Measurement and Data Processing Method...

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8th international conference on computer and Communication systems, ICCCS 2023

作者： Liu, Shun Bai, Yang Lyu, Ming Xiao, Zhihe Ren, Qunting Zhang, Xingyun Science and Technology on Electromagnetic Scattering Laboratory Beijing China Communication University of China Science and Technology on Electromagnetic Scattering Laboratory Beijing China

ISBN: (纸本)9781665456128

In recent years, the electromagnetic scattering characteristics of large ground equipment have attracted more and more attention, and how to accurately and efficiently obtain the electromagnetic scattering characteristics under the condition of large grazing Angle and carry out scattering source diagnosis and analysis is a hot research topic. In typical field environments such as parking lots and factory areas, the radar echo data of the target are acquired by the apparent measurement in SAR mode of the vehicle radar system. Due to the lack of high-precision scanning frame, turntable and other equipment, the direct imaging will produce serious defocus phenomenon. Therefore, motion compensation must be carried out by hardware and software to eliminate the influence of motion errors. Aiming at the scene environment target size small scene, close, and large seed SAR mode depending on the test application scenario, this paper proposes a vehicle-mounted radar system based SAR imaging measurement and data processing method, under the method through differential GPS data correction and image domain phase error estimation of software and hardware combination of motion compensation algorithm to realize the goal of focusing imaging. The effectiveness of the proposed method is verified by experiments. © 2023 IEEE.

关键词： Synthetic aperture radar

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Monitoring the Operation of the Internal Combustion Engine Based on the Processing of Indirect measurement Data 3rd

Monitoring the Operation of the Internal Combustion Engine B...

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international conference on Reliable systems Engineering (ICoRSE) - 2023

作者： Yenikieiev, Oleksandr Zakharenkov, Dmytro Gasanov, Magomediemin Yevsyukova, Fatima Naboka, Olena Borysenko, Anatolii Sergienko, Nikolay Donbas State Engineering Academy 72 Akademicheskaia str. Kramatorsk84313 Ukraine National Technical University "Kharkiv Polytechnic Institute" 2 Kyrpychova str. Kharkiv61002 Ukraine

ISBN: (纸本)9783031406270

The cylinder torques are approximated using the Fourier transform, and the concept of adjusting the processes of supplying the fuel-air mixture to the cylinders of the power unit in the form of weighting coefficients is introduced. A mechanical system with ten degrees of freedom under the conditions of taking into account friction is proposed as a deterministic mathematical model of the rotation of the masses of the crankshaft of the power unit. Based on the methods of similarity theory, the parameters of the system of linear differential equations of mass movements of the mathematical model of the torque circuit of the 10D100 diesel generator were normalized, and the Laplace transformation was used under zero initial conditions for its solution. With the help of the method of determinants and the Mathcad software environment, the information links between the cylinder torques and the fluctuation signals of the rotation speed of the first and tenth masses of the crankshaft were established. Using the Matlab software environment, the frequency characteristics of mechanical torque transmission channels were investigated. Special points were established and as a result of their analysis, a simplified representation of the transmission functions of mechanical channels was obtained. In the Mathcad software environment, a circuit for computer modeling of signals of fluctuations in the speed of rotation of the first and tenth masses of the crankshaft was built, which can be used to study the effectiveness of the application software for processing the data of indirect measurements. Algorithmic support for assessing the identity of power unit operating cycles is based on the solution of a redefined system of algebraic equations with the procedure of minimizing the obtained results, which implements the method of least squares. As a result of computer modeling and statistical processing of experimental data, the influence of additive and multiplicative components of random d

关键词： Torque

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Simulator of Microcontroller's Power Consumption 12

Simulator of Microcontroller's Power Consumption

引用

12th IEEE international conference on Intelligent Data Acquisition and Advanced Computing systems: Technology and Applications, IDAACS 2023

作者： Kochan, Orest Osolinskyi, Oleksandr Sachenko, Anatoliy Kochan, Volodymyr Romanets, Ihor Lviv Polytechnic National University Lviv Ukraine West Ukrainian National University Department for Information Computer Systems and Control Ternopil46020 Ukraine

ISBN: (纸本)9798350358056

This paper proposed a simulator of power consumption for pulse consumers (in particular, microcontrollers, henceforth MC). It simulates the character of their power consumption. Due to the function of self-correction of error of circuit components, the simulator provides high accuracy. At the same time, the simulator provides a simulation of the MC operation at frequencies that considerably exceed the frequency of the MC clock generator. This eliminates frequency errors when calibrating the measuring channels of devices and systems designed to measure the MC's power consumption. Due to the calibration, these measurement channels can provide traceability of measurements when studying the MC's power consumption when executing instructions, commands, programs, and their fragments. The simulator can be a reference for creating the system of metrological service of the specified above measurement channels. © 2023 IEEE.

关键词： MCU power consumption pulse consumer simulator

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Near Real-Time Access Monitoring Based on IoT Dynamic measurements of Indoor Air Pollutant 12

Near Real-Time Access Monitoring Based on IoT Dynamic Measur...

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12th IEEE international conference on Intelligent Data Acquisition and Advanced Computing systems: Technology and Applications, IDAACS 2023

作者： Scislo, Lukasz Szczepanik-Scislo, Nina Cracow University of Technology Faculty of Electrical and Computer Engineering Cracow31-155 Poland Cracow University of Technology Faculty of Environmental and Power Engineering Cracow31-155 Poland

ISBN: (纸本)9798350358056

The proposed paper focuses on the development of a distributed, cloud-connected, measurement system for air contaminant migration monitoring using an Internet of Things sensor grid, for households with multiple heating systems (dual-heating systems). The continuous monitoring system with data transfer to the cloud and the possibility of near real-time detection of not only danger from contaminant accumulations but also from unscheduled or not allowed access to the given area. Moreover, due to cloud components, the data analysis of multiple measurements can be evaluated over longer periods to predict occupant behaviour or the need to ventilate specific rooms or areas. The novelty of the paper is associated with the concept of Industry 4.0 where large quantities of data allow us to search for new ways for the data to be used or to find new information in the data. In this case, the dynamic measurement system of contaminant detection is evaluated for use as the access control system with near real-time information to the user. © 2023 IEEE.

关键词： air quality contaminant distribution cooling IoT sensors security system ventilation

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modeling Networks of Interdependent Infrastructure in Complex Urban Environments Using Open-Data 9

Modeling Networks of Interdependent Infrastructure in Comple...

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9th international conference on Complexity, Future Information systems and Risk, COMPLEXIS 2024

作者： Di Pietro, Antonio Cavedon, Francesco Rosato, Vittorio Stergiopoulos, George Department of Energy Technologies and Renewable Sources ENEA Via Anguillarese 301 Rome Italy University of Verona Department of Computer Science Strada le Grazie 15 Verona37134 Italy Department of Engineering University Campus Bio-Medico of Roma Via Alvaro del Portillo 21 Roma00128 Italy Department of Information and Communication Systems Engineering University of Aegean Greece

ISBN: (纸本)9789897586989

Dependency effects between Critical Infrastructure (CI) elements represent key information needed to predict and analyze the impact of natural (or man-made) disturbances. The dependency links among CI elements and their associated weight are data whose availability is often complex to determine and are usually not available. Leveraging on several data supporting US and EU Directives for the Resilience and the Protection of CIs, the objective of the present work is to define a dependency network of elements of critical sectors extracted from available open-data. The resulting network is then studied in terms of its basic topological properties. The analysis of the network provides interesting clues about the properties and locations of critical points that can cause cascading failures. In addition, this information can form the basis for planning actions that mitigate the risk of cascading effects. Copyright © 2024 by SCITEPRESS - Science and Technology Publications, Lda.

关键词： Risk analysis

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MAS4CHICKEN: Multi-Agent systems based order service model for waiting time reduction at rotisserie chicken restaurants in Lima - Peru 11

MAS4CHICKEN: Multi-Agent Systems based order service model f...

引用

11th international conference on Soft Computing and Machine Intelligence, ISCMI 2024

作者： Melendez, Nander Cruz, Jack Salas, Cesar Peruvian University of Applied Sciences School of Computer Science Lima Peru

ISBN: (纸本)9798331518127

A very frequent problem at rotisserie chicken restaurants in Lima - Peru is the diners' long waiting times. This generates discomfort on the diners, as well as negative reviews towards these kinds of restaurants. There are studies out there that aim to combat this issue by using simulating software such as Arena, Promodel, AnyLogic, etc. However, this article uses a different method called 'Multi-Agent systems (MAS)'. In order to combat the aforementioned issue, the MAS4CHICKEN model has been created, which aims to determine the optimal scenario in which the diners are attended with the lowest delay possible, allowing for the diners to feel satisfied. This implemented method mainly uses three different kinds of agents: Waiter, Chef, and Diner. This model was developed with the NetLogo modeling software, which makes it easier to work on Multi-Agent systems and their characteristic behaviors. The proposed model was tested under different scenarios. By the end of the tests it was concluded that 4 chefs are able to optimally attend diners that come by every 5 minutes, resulting in an attention time of 13.76 minutes. Additionally, it was determined that the model allows the user to evaluate strategies and measure the impact of its implementation in a virtual environment. While this model was firstly designed for rotisserie chicken restaurants, it can be used, either as-is or extended, to work with different kinds of restaurants. © 2024 IEEE.

关键词： Multi agent systems

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Data-based modeling and control of nonlinear process systems using sparse identification: An overview of recent results

Data-based modeling and control of nonlinear process systems...

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2023 AIChE Annual Meeting

作者： Abdullah, Fahim Christofides, Panagiotis D. Department of Chemical and Biomolecular Engineering University of California Los AngelesCA90095-1592 United States Department of Electrical and Computer Engineering University of California Los AngelesCA90095-1592 United States

This paper discusses recent developments in the data-based modeling and control of nonlinear chemical process systems using sparse identification of nonlinear dynamics (SINDy). SINDy is a recent nonlinear system identification technique that uses only measurement data to identify model dynamical systems in the form of first-order nonlinear differential equations. In this work, the challenges of handling time-scale multiplicities and noisy sensor data when using SINDy are addressed. Specifically, a brief overview of novel methods devised to overcome these challenges are described, along with modeling guidelines for using the proposed techniques for process systems. When applied to two-time-scale systems, to overcome model stiffness, which leads to ill-conditioned controllers, a reduced-order modeling approach is proposed where SINDy is used to model the slow dynamics, and nonlinear principal component analysis is used to algebraically ''slave'' the fast states to the slow states. The resulting model can then be used in a Lyapunov-based model predictive controller with guaranteed closed-loop stability provided the separation of fast and slow dynamics is sufficiently large. To handle high levels of sensor noise, SINDy is combined with subsampling and co-teaching to improve modeling accuracy. The challenges of modeling and controlling large-scale systems using noisy industrial data are then addressed by using ensemble learning with SINDy. After summarizing the advances, a nonlinear chemical process is used to provide an end-to-end demonstration of process modeling using sparse identification with guidelines for chemical engineering practitioners. Finally, several future research directions for the incorporation of SINDy into process systems engineering are proposed. © 2023 Elsevier Ltd. All rights reserved.

关键词： Dynamics

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