Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288888
T. Satoh, Teruo Ishihara, H. Inooka
Based on the method of inequalities, we propose a computer-aided design method for single-input single-output unity feedback systems accounting the influence of pole-zero cancellations. First, we derive a simple pole-zero placement algorithm which can avoid specified pole-zero cancellations with the order of the controller fixed. Then we propose a simple modification of the search algorithm by taking account of the role of the tuning parameters in the proposed design method. An illustrative design example is also shown.<>
{"title":"Computer-aided control system design accounting pole-zero cancellations by the method of inequalities","authors":"T. Satoh, Teruo Ishihara, H. Inooka","doi":"10.1109/CACSD.1994.288888","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288888","url":null,"abstract":"Based on the method of inequalities, we propose a computer-aided design method for single-input single-output unity feedback systems accounting the influence of pole-zero cancellations. First, we derive a simple pole-zero placement algorithm which can avoid specified pole-zero cancellations with the order of the controller fixed. Then we propose a simple modification of the search algorithm by taking account of the role of the tuning parameters in the proposed design method. An illustrative design example is also shown.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"42 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134140897","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288931
Emmanuel Fernindez-Gaucherand, Jongsup Choi, Daniel D. Gerhart
We present the first report on a software laboratory for stochastic systems control and decision problems: S/sup 2/YSCODE. Two versions have been developed so far, one in FORTRAN 77, and the other in MATLAB. Our principal aims in developing S/sup 2/YSCODE have been to develop a user friendly, interactive and transportable software laboratory for computer-aided control system design and experimentation in stochastic control and decision systems.<>
{"title":"S/sup 2/YSCODE: stochastic systems control and decision algorithms software laboratory, FORTRAN and MATLAB versions","authors":"Emmanuel Fernindez-Gaucherand, Jongsup Choi, Daniel D. Gerhart","doi":"10.1109/CACSD.1994.288931","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288931","url":null,"abstract":"We present the first report on a software laboratory for stochastic systems control and decision problems: S/sup 2/YSCODE. Two versions have been developed so far, one in FORTRAN 77, and the other in MATLAB. Our principal aims in developing S/sup 2/YSCODE have been to develop a user friendly, interactive and transportable software laboratory for computer-aided control system design and experimentation in stochastic control and decision systems.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133202603","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288887
Hung-Chou Chen, F. Chang
Using the concept of infinite eigenstructure assignment in generalized systems, explicit formulas for calculating the polynomial generalized Bezout identity is proposed. The degree of the polynomial matrix is directly related to the length of the longest infinite eigenvector chain of the associated generalized state-space representation. Hence the method of infinite eigenstructure assignment can be used to find adjustable-degree solutions of the doubly coprime matrix fraction descriptions.<>
{"title":"Adjustable solutions of doubly coprime matrix fraction descriptions","authors":"Hung-Chou Chen, F. Chang","doi":"10.1109/CACSD.1994.288887","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288887","url":null,"abstract":"Using the concept of infinite eigenstructure assignment in generalized systems, explicit formulas for calculating the polynomial generalized Bezout identity is proposed. The degree of the polynomial matrix is directly related to the length of the longest infinite eigenvector chain of the associated generalized state-space representation. Hence the method of infinite eigenstructure assignment can be used to find adjustable-degree solutions of the doubly coprime matrix fraction descriptions.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"54 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114041454","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288908
M. Hitchcock, A. Baker, J. R. Brink
Virtual Manufacturing (VM) is an integrated, synthetic manufacturing environment exercised to enhance all levels of decision and control in a manufacturing enterprise. VM environments are being proposed to improve the authors' military preparedness, enable lean and agile manufacturing, improve product and process design. Reduce manufacturing risks, improve manufacturing design and operation, support manufacturing system changes, enhance product service and repair, increase manufacturing understanding, and provide a vehicle for manufacturing training and research. This paper describes the United States Air Force/Wright Laboratories initiative in VM. It describes the technologies which will be required to fully implement VM. The special role of hybrid systems theory in VM is explained.<>
{"title":"The role of hybrid systems theory in virtual manufacturing","authors":"M. Hitchcock, A. Baker, J. R. Brink","doi":"10.1109/CACSD.1994.288908","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288908","url":null,"abstract":"Virtual Manufacturing (VM) is an integrated, synthetic manufacturing environment exercised to enhance all levels of decision and control in a manufacturing enterprise. VM environments are being proposed to improve the authors' military preparedness, enable lean and agile manufacturing, improve product and process design. Reduce manufacturing risks, improve manufacturing design and operation, support manufacturing system changes, enhance product service and repair, increase manufacturing understanding, and provide a vehicle for manufacturing training and research. This paper describes the United States Air Force/Wright Laboratories initiative in VM. It describes the technologies which will be required to fully implement VM. The special role of hybrid systems theory in VM is explained.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123928815","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288881
J. Larsson
This paper describes small, efficient implementations of three diagnostic methods for use with industrial processes. They are measurement validation, alarm analysis, and fault diagnosis. All three methods use multilevel flow models, to describe the target process. They have been implemented in G2 and C, and provide fast, hard real-time diagnosis.<>
{"title":"Hyperfast algorithms for model-based diagnosis","authors":"J. Larsson","doi":"10.1109/CACSD.1994.288881","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288881","url":null,"abstract":"This paper describes small, efficient implementations of three diagnostic methods for use with industrial processes. They are measurement validation, alarm analysis, and fault diagnosis. All three methods use multilevel flow models, to describe the target process. They have been implemented in G2 and C, and provide fast, hard real-time diagnosis.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121368843","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288915
I. Harvey, P. W. Grant, C. Jobling
Probably the largest single factor inhibiting the development of an environment supporting the full control engineering design cycle has been the lack of widely recognised standards in this field. The issue of standardisation can be viewed on two levels, the representation of the dynamic system model itself and the provision of database facilities, including those high-level facilities required for model management. This paper concentrates on the latter, examines the requirements of the user in this respect and describes a user interface to meet these requirements. The impact of current initiatives in open architecture development on future computer-aided control engineering software development is examined.<>
{"title":"A project based environment for computer-aided control engineering","authors":"I. Harvey, P. W. Grant, C. Jobling","doi":"10.1109/CACSD.1994.288915","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288915","url":null,"abstract":"Probably the largest single factor inhibiting the development of an environment supporting the full control engineering design cycle has been the lack of widely recognised standards in this field. The issue of standardisation can be viewed on two levels, the representation of the dynamic system model itself and the provision of database facilities, including those high-level facilities required for model management. This paper concentrates on the latter, examines the requirements of the user in this respect and describes a user interface to meet these requirements. The impact of current initiatives in open architecture development on future computer-aided control engineering software development is examined.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121423515","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288906
A. Nerode, W. Kohn
DSSA entails severe modelling, simulation, and validation problems because of the diversity of interacting physical and logical systems which have to be represented. Development of software specifications and development of physical system specifications for what are often interacting reactive systems cannot be separated. Software writers and engineers wish this were not so, but it is. Neither can hand the other specifications that work, they have to work together. The theory of hybrid systems and hybrid languages is being developed to bridge this gap at the interface of software engineering and the rest of science and engineering.<>
{"title":"Hybrid systems as a substrate for DSSA","authors":"A. Nerode, W. Kohn","doi":"10.1109/CACSD.1994.288906","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288906","url":null,"abstract":"DSSA entails severe modelling, simulation, and validation problems because of the diversity of interacting physical and logical systems which have to be represented. Development of software specifications and development of physical system specifications for what are often interacting reactive systems cannot be separated. Software writers and engineers wish this were not so, but it is. Neither can hand the other specifications that work, they have to work together. The theory of hybrid systems and hybrid languages is being developed to bridge this gap at the interface of software engineering and the rest of science and engineering.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"17 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116693577","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288930
G. Pang, H. Bacakoglu, M. Ho, Y. Hwu, B. Robertson, B. Shahrrava
Design of automatic control systems is a computationally intensive process. This motivates the development of accessible, easily usable and shareable interactive computing environments incorporating specialized knowledge of the theory and codified practice of automatic control. Expert or knowledge based systems can play a key role in creating such environment. Techniques of knowledge-based system can be used for the design of control systems. MEDAL is a general purpose interactive computer language for matrix computation and expert system development. The novel feature of MEDAL is that it provides an integrated environment for both numeric computation and knowledge-based system development. This paper describes the use of this novel environment for the development of knowledge-based systems for the controller design of linear control systems.<>
{"title":"A knowledge-based system for control system design using MEDAL","authors":"G. Pang, H. Bacakoglu, M. Ho, Y. Hwu, B. Robertson, B. Shahrrava","doi":"10.1109/CACSD.1994.288930","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288930","url":null,"abstract":"Design of automatic control systems is a computationally intensive process. This motivates the development of accessible, easily usable and shareable interactive computing environments incorporating specialized knowledge of the theory and codified practice of automatic control. Expert or knowledge based systems can play a key role in creating such environment. Techniques of knowledge-based system can be used for the design of control systems. MEDAL is a general purpose interactive computer language for matrix computation and expert system development. The novel feature of MEDAL is that it provides an integrated environment for both numeric computation and knowledge-based system development. This paper describes the use of this novel environment for the development of knowledge-based systems for the controller design of linear control systems.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115135397","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288895
G. Funk
Why are advanced signal filtering, system identification, optimal control and other technologies not common in the manufacturing industry? What is the vision for manufacturing in 2010 and why is on-line computer aided control system design essential? Inhibitors and supporters of the dynamics of change are identified. The author addresses these issues and shows the answer lies in the integration of business, information and technology. The author also ties achieving the vision of 2010 with the development of an automatic optimal control system and a design package for use in the manufacturing industry.<>
{"title":"Applying on-line computer-aided control system design to the manufacturing industry enhances control performance","authors":"G. Funk","doi":"10.1109/CACSD.1994.288895","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288895","url":null,"abstract":"Why are advanced signal filtering, system identification, optimal control and other technologies not common in the manufacturing industry? What is the vision for manufacturing in 2010 and why is on-line computer aided control system design essential? Inhibitors and supporters of the dynamics of change are identified. The author addresses these issues and shows the answer lies in the integration of business, information and technology. The author also ties achieving the vision of 2010 with the development of an automatic optimal control system and a design package for use in the manufacturing industry.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115441303","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}
Pub Date : 1994-03-07DOI: 10.1109/CACSD.1994.288940
V. Polyakov, R. Ghanadan, G. Blankenship
We describe a symbolic computer algebra system (CAS) toolbox for nonlinear and adaptive control law synthesis and simulation. This Mathematica program provides functions for basic mathematical operations frequently encountered in analysis of nonlinear systems, implements algorithms for adaptive and approximate nonlinear control as well as provides speedy and flexible simulation via automatic C and MATLAB code generation. The package is applied to conical magnetic bearings, a system of 18-dimensions and an uncertain parameter.<>
{"title":"Symbolic numerical computational tools for nonlinear and adaptive control","authors":"V. Polyakov, R. Ghanadan, G. Blankenship","doi":"10.1109/CACSD.1994.288940","DOIUrl":"https://doi.org/10.1109/CACSD.1994.288940","url":null,"abstract":"We describe a symbolic computer algebra system (CAS) toolbox for nonlinear and adaptive control law synthesis and simulation. This Mathematica program provides functions for basic mathematical operations frequently encountered in analysis of nonlinear systems, implements algorithms for adaptive and approximate nonlinear control as well as provides speedy and flexible simulation via automatic C and MATLAB code generation. The package is applied to conical magnetic bearings, a system of 18-dimensions and an uncertain parameter.<<ETX>>","PeriodicalId":197997,"journal":{"name":"Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121963715","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}
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