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2015 10th System of Systems Engineering Conference (SoSE)最新文献

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Performance enhancing of storage system for point cloud geographic data 点云地理数据存储系统的性能提升
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-07-09 DOI: 10.1109/SYSOSE.2015.7151919
Marian Svalec, L. Takac, M. Zábovský
{"title":"Performance enhancing of storage system for point cloud geographic data","authors":"Marian Svalec, L. Takac, M. Zábovský","doi":"10.1109/SYSOSE.2015.7151919","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151919","url":null,"abstract":"This paper deals with the problem of storing and distribution of geographic point cloud data. A scalable file based database system for storing and accessing a large amount of point cloud geographic data was developed. The principle of the system is briefly described and the results of experiments with different file formats and their impact on the overall performance of the system as well as to space occupied on hard disk drives are presented. Based on results, one format was chosen for a data layer of the system. This paper also offers results of tests focused on scaling the main data structure and its optimal setting under certain circumstances.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126967817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Continuous improvement of technical systems using Design for X 使用Design for X不断改进技术系统
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151981
Christer W. Elverum, H. Dalsgaard, T. Welo
{"title":"Continuous improvement of technical systems using Design for X","authors":"Christer W. Elverum, H. Dalsgaard, T. Welo","doi":"10.1109/SYSOSE.2015.7151981","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151981","url":null,"abstract":"Continuous, incremental improvements of existing products is an important aspect of maintaining competitiveness. One of the main challenges related to improving existing products is to take into account and weigh the various impacts that a change entails. Through a case-study with a company producing flood protection systems, this paper describes and discusses a systematic approach for identifying, evaluating and ranking the impact of identified improvement areas for an existing product system. The approach consists of four steps: identify areas for improvement; devise a ranking system; score the different alternatives and compare and prioritize. The approach proved valuable as an early-stage indication of the most important areas for product improvements for the case company.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121115022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the impacts of project based learning for workplace preparedness of engineering graduates 基于项目的学习对工程专业毕业生职场准备的影响
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151921
S. Senay
{"title":"On the impacts of project based learning for workplace preparedness of engineering graduates","authors":"S. Senay","doi":"10.1109/SYSOSE.2015.7151921","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151921","url":null,"abstract":"Aligning preparedness of graduates with the current and future workplace demands is a complex issue for higher education institutions. Labor market demands can shift very rapidly in knowledge-based economies, so it is not easy to predict what kind of work or trades will come out in the future. Therefore, tying university and college programs too closely to immediate labor market demands is not desired in the US higher education system. However, it is possible to predict the skills graduates will need to prosper in workplace and improve education system without limiting the missions of colleges and universities to training of students for specific job skills. In the case of engineering education, project based learning (PBL) can provide a way to prepare students for the current and future demands of engineering profession, without focusing education solely on the development of specific job skills. This paper is a review on benefits and challenges associated with the implementations of PBL in engineering education.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122039767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
A theory of complexity escalation and collapse for system of systems 系统的系统的复杂性升级和崩溃理论
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151958
Joseph M. Bradley, M. Efatmaneshnik, M. Rajabalinejad
{"title":"A theory of complexity escalation and collapse for system of systems","authors":"Joseph M. Bradley, M. Efatmaneshnik, M. Rajabalinejad","doi":"10.1109/SYSOSE.2015.7151958","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151958","url":null,"abstract":"In this paper we urge the creation of new managerial tools and techniques that are relevant to the complexity of today's system of systems (SOS). Normal modes of command and control systems cannot be effective under conditions where new constraints are added on a recurrent basis to the system of systems in response to emergent problems within the systems due to increased coupling introduced in component elements of the SOS. We present a first-step understanding of why unanticipated failures find more potential and more pathways to their occurrence when interventions in SOS operations, standards or processes are conducted without enough insight and without a care for basic laws of complexity. We then demonstrate a condition where the incremental changes actually lead to failure of the SOS to meet its performance parameters. We hope that this work set the foundation for exploring the effects of coupling across hierarchical levels of SOS.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130602039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Improved hybrid variable and fixed step size least mean square adaptive filter algorithm with application to time varying system identification 改进的混合变量固定步长最小均方自适应滤波算法及其在时变系统辨识中的应用
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151943
Farqad Y. Farhan, S. Ameen
{"title":"Improved hybrid variable and fixed step size least mean square adaptive filter algorithm with application to time varying system identification","authors":"Farqad Y. Farhan, S. Ameen","doi":"10.1109/SYSOSE.2015.7151943","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151943","url":null,"abstract":"In this paper a new simplified adaptive filter algorithm is introduced which is based on the hybrid operation of variable step-size and fixed step-size least mean square adaptive algorithm. In this proposed algorithm the variable step-size is used in the first stage, the algorithm adopts the fixed step size least mean square (LMS) whenever an acceptable mean square error threshold is reached that ensures the required steady state error and stability. The simulation results obtained show that the new algorithm outperforms the standard least mean square (LMS) in the desired transient-response, and outperforms the normalized least mean square (NLMS) algorithm in the desired transient and the steady-state response. It is shown that this new algorithm is able to track time-varying systems with better performance response. Also, the computational-complexity for this algorithm is reduced as compared with the ordinary least mean square (LMS).","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123649577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Distributed leader-follower formation control for multiple quadrotors with weighted topology 加权拓扑下多旋翼机的分布式leader-follower编队控制
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151924
Z. Hou, I. Fantoni
{"title":"Distributed leader-follower formation control for multiple quadrotors with weighted topology","authors":"Z. Hou, I. Fantoni","doi":"10.1109/SYSOSE.2015.7151924","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151924","url":null,"abstract":"This paper addresses the problem of controlling a leader-follower formation of quadrotors (UAVs), which can be considered as a System of Systems. A distributed control scheme for the motion of the formation is proposed, ensuring consensus of the UAVs and collision avoidance. Each UAV has local and limited neighbors and uses weighted relative positions and velocities of its neighbors. In the simulation section, a comparison of using the formation controllers with weighted and unweighted topology is given. The results show that the proposed control strategy can keep the formation with some initial conditions, unlike the strategy with unweighted topology. The simulations also show that our proposed control strategy can be applied for both one leader and multiple leaders formation.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124126625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 33
A model of enterprise systems engineering contributions to acquisition success 企业系统工程模型有助于收购的成功
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151930
J. Drury, G. Klein, M. Pfaff, Craig Bonaceto
{"title":"A model of enterprise systems engineering contributions to acquisition success","authors":"J. Drury, G. Klein, M. Pfaff, Craig Bonaceto","doi":"10.1109/SYSOSE.2015.7151930","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151930","url":null,"abstract":"This paper presents a conceptual causal model for the contributions of enterprise systems engineering (ESE) to systems acquisition success when the systems under development are complex and include direct interaction between users and the finished product (versus an embedded effort). The model takes the form of a directed acyclic graph and its major components consist of collaboration support, ESE technique application, system characteristics, and organizational characteristics. As initial validation, we converted this conceptual model to a computational model using our Descriptive to Executable SIMulation (DESIM) modeling method. By using the executable model, we obtained unbiased data based on subject matter experts' (SMEs') mental models so that we could determine the degree to which the SMEs in the aggregate agreed with the model's components and relationships.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"27 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131991880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Simulation method for multi-machine and multi-task production scheduling in steelmaking-continuous casting process 炼钢-连铸多机多任务生产调度仿真方法
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151957
Jianyu Long, Zhong Zheng, Xiaoqiang Gao, Kai Chen
{"title":"Simulation method for multi-machine and multi-task production scheduling in steelmaking-continuous casting process","authors":"Jianyu Long, Zhong Zheng, Xiaoqiang Gao, Kai Chen","doi":"10.1109/SYSOSE.2015.7151957","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151957","url":null,"abstract":"The steelmaking-continuous casting (SCC) process, which consists of steelmaking, refining and continuous casting stage, is usually the critical process in iron and steel industry. This paper aims to propose a simulation method for the realistic hybrid flow shop scheduling problem resulting from the SCC process. A mathematic model based on a comprehensive investigation is built first. Then, a simulation method which can decide the time scope of production materials on each stage in the simulation initialization is presented. Additionally, the matching decision algorithm is employed to match the machines and production materials in the simulation running process. To evaluate the simulation method, numerical experiments are conducted with an 8 hours test instance generated according to a real-world production process. The results show that the simulation method is a feasible and effective method for production scheduling in SCC process.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131721323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A system of systems analysis of a multi-probe SPM system 多探头 SPM 系统的系统分析系统
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151901
Eyup Cinar, F. Sahin
{"title":"A system of systems analysis of a multi-probe SPM system","authors":"Eyup Cinar, F. Sahin","doi":"10.1109/SYSOSE.2015.7151901","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151901","url":null,"abstract":"In this paper, we introduce a multi-probe Scanning Probe Microscopy (SPM) tool in the context of system of systems (SoS) concepts. The tool exhibits strong characteristics of SoS such as interoperability, integration and independency of each individual system. Each probe terminal constitutes an independent scanning system that can operate individually. The interoperability of the systems through signal exchange bring strong advantages and help users in order to design innovative applications that would not be easily achievable when a single system is used. As an independent system, each probe terminal includes its own controller and feedback mechanism for precise operation which is controlled by individual software running on control PCs. After introducing the overall system, we briefly mention one of the innovative real-world applications that we have been currently working on in an effort to show the strength of SoS engineering and filling the gap between theory and practice.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131027158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Simultaneous localization and mapping using a micro-particle swarm optimization 利用微粒子群优化的同时定位和映射
2015 10th System of Systems Engineering Conference (SoSE) Pub Date : 2015-05-17 DOI: 10.1109/SYSOSE.2015.7151956
Chris Monfredo, F. Sahin
{"title":"Simultaneous localization and mapping using a micro-particle swarm optimization","authors":"Chris Monfredo, F. Sahin","doi":"10.1109/SYSOSE.2015.7151956","DOIUrl":"https://doi.org/10.1109/SYSOSE.2015.7151956","url":null,"abstract":"Scan matching is a popular way of calculating a robot's position given range data corresponding to objects in the environment. This paper proposes a simultaneous localization and mapping algorithm that uses micro-particle swarm optimization as an alternative method to the traditional scan matching algorithms. The effectiveness of this algorithm is tested and compared to other popular simultaneous and localization algorithms.","PeriodicalId":399744,"journal":{"name":"2015 10th System of Systems Engineering Conference (SoSE)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133354775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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