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1993 (25th) Southeastern Symposium on System Theory最新文献

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Stabilization of nonlinear quadratic systems 非线性二次系统的镇定
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522793
A. Bose, A. Cover, J. Reneke
{"title":"Stabilization of nonlinear quadratic systems","authors":"A. Bose, A. Cover, J. Reneke","doi":"10.1109/SSST.1993.522793","DOIUrl":"https://doi.org/10.1109/SSST.1993.522793","url":null,"abstract":"The authors consider the nonlinear quadratic control system Mdw/dt=Aw+f(w)+g(w, u), where M and A are 3/spl times/3 matrices and, for a fixed m-vector u, f(w) and g(w,u) are quadratic in the 3-vector w=(x, y, z)'. Several theorems and examples that explore the relationship between the quadratic function and the matrices that are involved are presented.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"91 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124793454","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 solution of nonlinear, second order, autonomous systems 非线性二阶自治系统的解
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522792
S. Jones
{"title":"On the solution of nonlinear, second order, autonomous systems","authors":"S. Jones","doi":"10.1109/SSST.1993.522792","DOIUrl":"https://doi.org/10.1109/SSST.1993.522792","url":null,"abstract":"The author's previous work on an extension of Abel's identity to nonlinear second order systems is applied to the construction of implicit general solutions to two complicated nonlinear systems. Both systems are nonconservative. One has a quadratic nonlinearity in the response terms and the other has a cubic nonlinearity. The exact general solutions are shown to involve a definite integral with respect to one dependent variable holding the other fixed. The unconventional nature of these integrals does not detract from their potential value. Instead, it shows very clearly why some conventional tools fail to produce results when applied to such systems.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121739919","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
Generalized load modeling in the presence of harmonics and distortion 存在谐波和畸变的广义负荷建模
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522755
S. Varadan, E. Makram
{"title":"Generalized load modeling in the presence of harmonics and distortion","authors":"S. Varadan, E. Makram","doi":"10.1109/SSST.1993.522755","DOIUrl":"https://doi.org/10.1109/SSST.1993.522755","url":null,"abstract":"The importance of using better load models in power system analyses is addressed. A new time-domain load modeling technique that is based on actual recorded steady state power system measurements is presented, and the incorporation of the load model developed into a harmonic load flow program that is based on the bus admittance matrix method is shown. The load model is perfectly general and can be used to model linear or nonlinear loads in the presence or absence of harmonic distortion. Since the model is based on physically realizable network elements, several harmonic-related problems can be addressed using the suggested approach. The problem of power factor correction in the presence of harmonics and distortion is used as an example to show the efficacy of the method.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124560933","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: 11
3-D planar quadrantal and diagonal symmetry-based Winograd Fourier transform algorithm 基于三维平面象限和对角对称的Winograd傅立叶变换算法
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522834
V. Rajaravivarma, R. Rajaravivarma
{"title":"3-D planar quadrantal and diagonal symmetry-based Winograd Fourier transform algorithm","authors":"V. Rajaravivarma, R. Rajaravivarma","doi":"10.1109/SSST.1993.522834","DOIUrl":"https://doi.org/10.1109/SSST.1993.522834","url":null,"abstract":"A fast algorithm for computing the discrete Fourier transform (DFT) of single planar quadrantal symmetric data is discussed. The algorithm is developed employing the techniques of the multidimensional Winograd Fourier transform algorithm (WFTA). It is found that an interesting relationship exists between the quadrantal and diagonal symmetries when the length of the data along each axis is odd. This implies that from one set of symmetry-based WFTA, the other set can be obtained, and the mapping is one-to-one. This idea is formulated, and the single planar diagonal symmetry-based WFTA is derived from single planar quadrantally symmetric WFTA.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133403403","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
Design of an expert system for transmission planning 输电规划专家系统的设计
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522751
G. Lebby, L. Antoine
{"title":"Design of an expert system for transmission planning","authors":"G. Lebby, L. Antoine","doi":"10.1109/SSST.1993.522751","DOIUrl":"https://doi.org/10.1109/SSST.1993.522751","url":null,"abstract":"An expert system for transmission planning (ESTP) that encapsulates the use of conventional power system analysis tools without actual or functional code duplication, which is in the developmental stage, is described. The ESTP allows utility specifics to be added, so that system planning peculiarities can be taken into account.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133459186","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
An analysis of direct sequence CDMA for mobile cellular systems 移动蜂窝系统直接序列CDMA分析
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522845
I. D. Lee, H. Stern
{"title":"An analysis of direct sequence CDMA for mobile cellular systems","authors":"I. D. Lee, H. Stern","doi":"10.1109/SSST.1993.522845","DOIUrl":"https://doi.org/10.1109/SSST.1993.522845","url":null,"abstract":"The performance of a code-division multiple-access (CDMA) cellular system for different RF modulation techniques, such as quadrature phase-shift keying (QPSK) and differential phase-shift keying (DPSK), is analyzed. The analysis emphasizes how voice quality deteriorates with increasing system load and determines the maximum acceptable load and minimum acceptable E/sub b//N/sub 0/ for producing acceptable quality voice.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133844807","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
Non-uniform PRI pulse-Doppler radar 非均匀PRI脉冲多普勒雷达
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522763
M. Maier
{"title":"Non-uniform PRI pulse-Doppler radar","authors":"M. Maier","doi":"10.1109/SSST.1993.522763","DOIUrl":"https://doi.org/10.1109/SSST.1993.522763","url":null,"abstract":"Nonuniform pulse repetition interval (PRI) pulse-Doppler waveforms are processed by replacing the fast Fourier transform algorithm in standard pulse-Doppler processors with a more general discrete Fourier transform. Clutter rejection is a problem because the well-understood techniques of amplitude windowing are not available. However, processing weights with controllable properties can be synthesized by other means. Several applications most amenable to the strengths and limitations of nonuniform PRI waveforms are described.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134413862","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: 17
Discrete adaptive filters for short-lived dynamic systems 短寿命动态系统的离散自适应滤波器
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522795
R. Patton, A. Killen
{"title":"Discrete adaptive filters for short-lived dynamic systems","authors":"R. Patton, A. Killen","doi":"10.1109/SSST.1993.522795","DOIUrl":"https://doi.org/10.1109/SSST.1993.522795","url":null,"abstract":"Reliable and easily implemented discrete adaptive filters for short-lived systems are identified. Three different filtering techniques and a lightly damped dynamic system are used to illustrate boundaries specified by the convergence criterion. The filtering techniques in this study are the modified extended Kalman filter, the decoupled Kalman filter, and a pseudolinear regression filter. The extended Kalman filter is shown to converge once it identifies the appropriate decoupling of states and parameters. The decoupled Kalman filter provides a much cleaner convergence but has the standard computational burden of the Kalman filter as well as possible convergence problems. The pseudolinear regression algorithm provides excellent convergence with a much more computationally compatible and time-sensitive algorithm.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131214166","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
A reliability and economic evaluation of a transmission system-II: Using probability method 输电系统的可靠性和经济性评估ii:运用概率法
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522750
A. Shaban, A. Go
{"title":"A reliability and economic evaluation of a transmission system-II: Using probability method","authors":"A. Shaban, A. Go","doi":"10.1109/SSST.1993.522750","DOIUrl":"https://doi.org/10.1109/SSST.1993.522750","url":null,"abstract":"For Part I, see ibid., pp. 94-100 (1993). The reliability of a transmission system model consisting of transmission lines, transformers, and circuit breakers is calculated from sample data using the probability method. The results of this method differ by less than 0.7% from the results of Part I when the reliabilities of the circuit breakers are set to 100%. If the reliabilities of the circuit breakers are known and are different from 100%, this method must be used to obtain more accurate reliability.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124654736","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
Design of a robotic feeder 机器人喂料机的设计
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522803
V. Byrd, J. Parker
{"title":"Design of a robotic feeder","authors":"V. Byrd, J. Parker","doi":"10.1109/SSST.1993.522803","DOIUrl":"https://doi.org/10.1109/SSST.1993.522803","url":null,"abstract":"The use of US Office of Technology Assessment (OTA) recommendations to develop the design specifications of an inexpensive two-degree-of-freedom robot arm for use in rehabilitation applications is described. The current status of the robotic self-feeder is presented along with the mechanical, electrical, and control software design.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127980939","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
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