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Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)最新文献

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A multi-agent description language New Valid and its application to robot control 一种新的多智能体描述语言及其在机器人控制中的应用
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396409
M. Amamiya, S. Kusakabe, S. Aramaki
{"title":"A multi-agent description language New Valid and its application to robot control","authors":"M. Amamiya, S. Kusakabe, S. Aramaki","doi":"10.1109/ETFA.1993.396409","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396409","url":null,"abstract":"A coordinated multi-agent computation paradigm is proposed as a design tool of an intelligent robot system. A multi-agent programming paradigm and programming language, New Valid, is introduced. New Valid is designed as a tool for programming coordinated multi-agent computation systems. The coordinated computation paradigm is designed as a message flow programming system on the basis of a functional programming system. A history-sensitive computation feature, named agent, is introduced into a functional programming language, Valid. A model of mult-agent robot systems is proposed. The robot sytem is constructed as an ensemble of functions, each of which works as a coordinated independent agent through message communications. All sensory information put into robot is treated as messages. Several examples of multi-agent robot systems are shown.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115837865","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 cognitive simulator to animate group behavior of car drivers 一个认知模拟器，以动画的群体行为的汽车司机
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396422
H. Kumamoto, M. Sudo, K. Tenmouku, O. Shimizu, A. Nakajima
{"title":"A cognitive simulator to animate group behavior of car drivers","authors":"H. Kumamoto, M. Sudo, K. Tenmouku, O. Shimizu, A. Nakajima","doi":"10.1109/ETFA.1993.396422","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396422","url":null,"abstract":"A cognitive simulator to animate behavior of a group of car drivers is developed. First, car driving is discussed from the point of view of intentions and actions of offline and online natures. Second, driving is discussed in terms of information used. Third, a cognitive structure of a driver is modeled by a tree which consists of situations such as physical environments, mental intentions and physical actions. Each transition between an upper level situation to an adjacent lower level on the tree is expressed by a set of if-then rules. A typical animation output from the cognitive simulator is demonstrated.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"214 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131947312","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
An answer to FMS complexity: Object-oriented approach 对FMS复杂性的回答:面向对象方法
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396402
M.T. Martinez, B. Shariat
{"title":"An answer to FMS complexity: Object-oriented approach","authors":"M.T. Martinez, B. Shariat","doi":"10.1109/ETFA.1993.396402","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396402","url":null,"abstract":"In flexible manufacturing systems (FMS), the size of the control system software increases, and the relations of interdependence between the different subsystems multiply. The design of a FMS, by means of a conventional method becomes unmanageably complex. The object oriented design (OOD) methodology proposes to reduce the global complexity by modeling the real world through objects. OOD allows the development of reusable software components with open modular structures. The method proves efficient in industrial manufacturing requirements. It provides a satisfactory solution to the integration of alien components. The OOD methodology, object oriented programming and their respective features are introduced. Two experimental implementations are presented.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"703 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122986095","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: 1
Analysis and design of inference mechanisms for fuzzy feedback control 模糊反馈控制推理机制的分析与设计
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396434
S. Zhang, Y. Wong, A. Poo
{"title":"Analysis and design of inference mechanisms for fuzzy feedback control","authors":"S. Zhang, Y. Wong, A. Poo","doi":"10.1109/ETFA.1993.396434","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396434","url":null,"abstract":"The influence of the different combinations of implications and the defuzzifications on the performance of fuzzy feedback control are examined. The characteristics of two popular implications (the min and the prod implications) and two widely used defuzzification algorithms (COA and MAX algorithms) are analyzed in terms of recoverability, change in fuzziness and reasoning strategy. With the aid of simulation of examples of fuzzy force control in milling. It is shown that not every combination of implication should be complemented only by a defuzzification such that the resultant interference mechanism does not increase the fuzziness substantially. A detailed comparitive analysis of the fuzzy milling force control approaches based on the min and prod implications and the COA and MAX defuzzifications are given.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"283 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122475099","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
A fuzzy logic controller for DC motor position control 一种用于直流电机位置控制的模糊控制器
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396433
H. de Azevedo, S.F.M. Branodao, J. B. da Mota Alves
{"title":"A fuzzy logic controller for DC motor position control","authors":"H. de Azevedo, S.F.M. Branodao, J. B. da Mota Alves","doi":"10.1109/ETFA.1993.396433","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396433","url":null,"abstract":"An application of fuzzy logic to control the position of a load coupled to the output shaft of a gearbox is presented. The primer mover of the gearbox is a DC machine which is supplied by a chopper circuit. The elaboration and tuning of the fuzzy logic controller (FLC) is based on a sliding mode control (SMC) approach. The results are presented in comparative terms among the FLC, SMC and the classical proportional-integral-derivative controller (PID). In this application, the FLC proves to be better than the PID because the PID is highly sensitive to the load changes (torque changes), while the FLC is almost insensitive.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131449010","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: 20
Development of off-line programming system for spot welding robot 点焊机器人离线编程系统的开发
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396407
H. Nakamura, K. Yamamoto, T. Itaya, T. Koyama
{"title":"Development of off-line programming system for spot welding robot","authors":"H. Nakamura, K. Yamamoto, T. Itaya, T. Koyama","doi":"10.1109/ETFA.1993.396407","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396407","url":null,"abstract":"Off-line programming system for robots are required to have functions that determine application conditions, select application tools, plan robot arrangement and simulate the programmed data during robot operation. A CAD/CAM/CAE system which satisfies these requirements is discussed. A correction method for mechanical errors and set position errors of a robot is provided. Set position error of a robot is the difference between the set position data which is made by CAD/CAM/CAE system versus the actual factory floor set position. Concerning the correction of mechanical errors, a method is developed that achieves the desired results easily without any measuring devices. By analyzing the deflection variation produced by different loads, the modulus of elasticity of individual linkages is found. The result is that the quantity of deflection, which is a nongeometrical parameter, is obtained.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"128 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133479737","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: 9
Heuristic learning by genetic algorithm for recurrent neural network 基于遗传算法的递归神经网络启发式学习
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396427
T. Fukuda, T. Kohno, T. Shibata
{"title":"Heuristic learning by genetic algorithm for recurrent neural network","authors":"T. Fukuda, T. Kohno, T. Shibata","doi":"10.1109/ETFA.1993.396427","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396427","url":null,"abstract":"Recurrent neural networks have dynamic characteristics and express functions of time. Recurrent neural networks can memorize robotic motions, i.e., trajectories of manipulators For this purpose, it is necessary to determine appropriate interconnection weights of the network. A new learning scheme for the recurrent neural networks by genetic algorithm (GA) is presented. The GA is applied to determine interconnection weights of the recurrent neural networks. The proposed approach is compared with backpropagation through time for recurrent neural networks. Simulation illustrates the performance of the proposed approach.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114816172","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: 2
Polynomial order decomposition algorithms for free choice systems 自由选择系统的多项式阶分解算法
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396411
T. Nishimura, D. Lee, S. Kumagai
{"title":"Polynomial order decomposition algorithms for free choice systems","authors":"T. Nishimura, D. Lee, S. Kumagai","doi":"10.1109/ETFA.1993.396411","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396411","url":null,"abstract":"An O(m/sup 2/n/sup 2/) algorithm to find an S-decomposition of a live and bounded free choice (LSFC) net or (live and safe free choice) (LBFC) net is obtained. A polynomial order algorithm to find a T-decomposition can be constructed easily based on the algorithm. An O(m/sup 2/n/sup 2/+mn/sup 3/) algorithm to find an LSFC net is proposed. Many analysis problems of concurrent systems modeled by free choice net can be solved efficiently based on the proposed algorithms.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123304504","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
MESA: Managing work crew assignments by constraint based schedule generation MESA:通过基于约束的时间表生成来管理工作人员分配
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396418
D. Gorton, S. Garlick
{"title":"MESA: Managing work crew assignments by constraint based schedule generation","authors":"D. Gorton, S. Garlick","doi":"10.1109/ETFA.1993.396418","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396418","url":null,"abstract":"MESA, the Maintenance Engineering Scheduling Assistant is a system that generates assignments of repair crews to work orders on a particular date. A task analysis of the maintenance domain in steelmaking guides system design. MESA provides extensive interactive facilities for editing, maintaining and coordinating a schedule, human resources and machine downtimes. The system generates an initial schedule, using temporal constraint propagation and heuristic search techniques. The search techniques are generic and well parameterized. Some results of parameter variation are described, together with proposed extensions to allow dynamic rescheduling.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125032542","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
Multi-faceted modelling of flexible manufacturing systems using a minimax algebraic Petri net representation 用极大极小代数Petri网表示柔性制造系统的多面建模
Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93) Pub Date : 1993-09-27 DOI: 10.1109/ETFA.1993.396413
G. Bundell
{"title":"Multi-faceted modelling of flexible manufacturing systems using a minimax algebraic Petri net representation","authors":"G. Bundell","doi":"10.1109/ETFA.1993.396413","DOIUrl":"https://doi.org/10.1109/ETFA.1993.396413","url":null,"abstract":"The application of an algebraic representation for a restricted class of decision-free Petri nets to a typical flexible manufacturing system (FMS) problem is considered. A new mapping is introduced to the complex number field for the time-event information-states, which allows the algebraic representation to be readily manipulated numerically. The utility of this approach is illustrated with the MATLAB package and applied to an example. The application of the multi-faceted modeling approach to FMS type problems is demonstrated. A combination of Petri nets is used for high-level abstraction of the controlled processes. A minimax algebraic representation for restricted decision-free Petri nets is used as the modeling mechanism to combine both abstraction levels to produce a \"multi-model\" of the FMS. The model can then be used to analyze system performance.<<ETX>>","PeriodicalId":239174,"journal":{"name":"Proceedings of IEEE 2nd International Workshop on Emerging Technologies and Factory Automation (ETFA '93)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124640624","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: 6
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