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

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An eddy current braking system 涡流制动系统
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522742
L. Barnes, J. Hardin, C. A. Gross, D. Wasson
{"title":"An eddy current braking system","authors":"L. Barnes, J. Hardin, C. A. Gross, D. Wasson","doi":"10.1109/SSST.1993.522742","DOIUrl":"https://doi.org/10.1109/SSST.1993.522742","url":null,"abstract":"Details of a computer model of an eddy-current brake for application in an exercise device are described. In particular, the design of a computer analysis package (EBRAKE) which calculates disk torque as a function of disk speed, for a given system geometry and coil current is reported.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"14 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":"116773648","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: 12
Application of PC-based measurement techniques to ASD performance evaluation 基于pc的测量技术在ASD绩效评估中的应用
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522745
P. Wung, H. Puttgen
{"title":"Application of PC-based measurement techniques to ASD performance evaluation","authors":"P. Wung, H. Puttgen","doi":"10.1109/SSST.1993.522745","DOIUrl":"https://doi.org/10.1109/SSST.1993.522745","url":null,"abstract":"Two basic techniques that can be used in a laboratory environment to evaluate the performance of an adjustable speed drive (ASD) are discussed: sampling and direct. The sampling technology relies on computer technology, since it requires reliable, high-performance A/D converters along with sophisticated data interpretation techniques. While several sources of error are possible in the various isolators and current probes/amplifiers required, the sampling technique offers the inherent advantage of highly flexible offline data interpretation possibilities. Sampling measurement techniques can be made nonintrusive so that they do not disturb ongoing associated processes. The direct measurement techniques require sophisticated instrumentation that may not always be convenient or even possible to utilize in a field test. The associated measurement errors are often negligible; however, the inherent bandwidth limitation of the instruments are often a concern.","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":"123784648","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
Robust control design of an autolanding system 自动著陆系统的鲁棒控制设计
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522780
M. Ben Ghalia, A. Alouani
{"title":"Robust control design of an autolanding system","authors":"M. Ben Ghalia, A. Alouani","doi":"10.1109/SSST.1993.522780","DOIUrl":"https://doi.org/10.1109/SSST.1993.522780","url":null,"abstract":"A linear-quadratic-Gaussian/loop-transfer-recovery (LQG/LTR) design for an automatic landing controller for a typical commercial aircraft encountering a severe wind shear is presented. The airplane model is described, and the control objectives are outlined. Simulation results are presented, and the performance of the controller in handling the wind shear is evaluated.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"20 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":"115457776","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: 16
Measured performance of an 1-persistent CSMA on the bus based on the discrete space-time model 基于离散时空模型的1-持久CSMA总线性能测量
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522843
K.Y. Lee, J. Bredeson
{"title":"Measured performance of an 1-persistent CSMA on the bus based on the discrete space-time model","authors":"K.Y. Lee, J. Bredeson","doi":"10.1109/SSST.1993.522843","DOIUrl":"https://doi.org/10.1109/SSST.1993.522843","url":null,"abstract":"A study of 1-persistent carrier-sense multiaccess (CSMA) on the bus topology is reported. The discrete space-time model, which is represented by a spatial distribution of stations and a sequence of packet arrival time and its propagation delay is used. The throughput of the system with a finite number of stations is evaluated. Numerical results show that the throughput is much higher than for the time-domain result when the ratio between the medium propagation delay and the packet transmission time is large.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"22 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":"128240802","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
Root-loci for periodic linear systems 周期线性系统的根轨迹
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522848
J. Zhu, S. Vemula
{"title":"Root-loci for periodic linear systems","authors":"J. Zhu, S. Vemula","doi":"10.1109/SSST.1993.522848","DOIUrl":"https://doi.org/10.1109/SSST.1993.522848","url":null,"abstract":"According to the Floquet theory, an nth-order linear periodic (LP) system of the form y/sup n/+/spl alpha//sub n/(t) y/sup n-1/+...+/spl alpha//sub 2/(t)dy(t)/dt+/spl alpha//sub 1/(t)y=0 can be transformed into an equivalent linear time-invariant (LTI) system whose characteristic roots, known as Floquet characteristic exponents (FCEs), determine the stability of the LP system. A technique for obtaining an approximation of the characteristic equation for the FCEs is developed. Parametric loci of the FCE, similar to the root locus plot for a LTI system, are then developed for the LP system. The technique is exemplified by 2nd-order LP systems. The FCE loci are useful in the stability analysis and control design for LP systems.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"238 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":"129460971","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
On interacting finite state machine design with self-checking capability 具有自检能力的有限状态机交互设计
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522815
F. Busaba, P. Lala
{"title":"On interacting finite state machine design with self-checking capability","authors":"F. Busaba, P. Lala","doi":"10.1109/SSST.1993.522815","DOIUrl":"https://doi.org/10.1109/SSST.1993.522815","url":null,"abstract":"A technique for designing interacting finite-state machines that will be totally self-checking for any single stuck-at fault is presented. M-out-of-n codes are used for both primary output and state assignments. The next state logic (NSL) for each submachine and the output logic (OL) realized are such that any single stuck-at fault results in either single bit error or unidirectional multibit error at the output. An m-out-of-n checker is added to check the validity of the output lines so that any fault can be detected online by the checker.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"2008 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":"125982806","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 and simulation of a modified duobinary acquisition system 一种改进的二进制采集系统的设计与仿真
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522846
G. G. Koller, M. Belkerdid, G. Rawlins
{"title":"Design and simulation of a modified duobinary acquisition system","authors":"G. G. Koller, M. Belkerdid, G. Rawlins","doi":"10.1109/SSST.1993.522846","DOIUrl":"https://doi.org/10.1109/SSST.1993.522846","url":null,"abstract":"The implementation of a fast timing recovery system for the modified duobinary pulse amplitude (PAM) system is described, the implementation was verified by simulation, and the hang-up effects were examined. Simulation results for key components of the system and some key system parameters, such as the deviation constant and the loop gains, are in good agreement with previously published results.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"53 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":"127909558","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
Object-oriented programming for power engineering education 面向对象的电力工程教育程序设计
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522744
D.L. Lubkeman, A. Ghosh, J. Zhu
{"title":"Object-oriented programming for power engineering education","authors":"D.L. Lubkeman, A. Ghosh, J. Zhu","doi":"10.1109/SSST.1993.522744","DOIUrl":"https://doi.org/10.1109/SSST.1993.522744","url":null,"abstract":"The authors describe the object-oriented approach, which is currently being touted as a means of making programmers more productive but will require new approaches to viewing old problems. They discuss how object-oriented programming techniques can be applied to the development of power-engineering-related software. Segments of code that were used in a three-phase load flow program are used as examples.","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":"130065055","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
An overview of methods for simulation of nonlinear IF radar hardware components at baseband frequencies 基带频率下非线性中频雷达硬件组件仿真方法综述
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522767
T.L. Barrett, S. M. Gilbert, M. Budge, L.D. Bennett
{"title":"An overview of methods for simulation of nonlinear IF radar hardware components at baseband frequencies","authors":"T.L. Barrett, S. M. Gilbert, M. Budge, L.D. Bennett","doi":"10.1109/SSST.1993.522767","DOIUrl":"https://doi.org/10.1109/SSST.1993.522767","url":null,"abstract":"It is shown that the high sampling rate requirements of credible electronic countermeasure (ECM) simulations can be greatly reduced by developing baseband frequency models that are based on closed-form solutions, called nonlinear describing functions, which accurately define the effects that IF nonlinearities impose on realistic ECM signals. Two methods are given for obtaining the nonlinear describing function for any given nonlinearity: the transform method and the sinusoidal describing function method. An example of an ideal soft limiter shows that two methods yield identical nonlinear describing functions. However, the sinusoidal describing function method is much more readily applied than the transform method.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"76 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":"131564455","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
An efficient park service management package 一个高效的公园服务管理包
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522818
C. Harry, A. Barbir, D. Teague
{"title":"An efficient park service management package","authors":"C. Harry, A. Barbir, D. Teague","doi":"10.1109/SSST.1993.522818","DOIUrl":"https://doi.org/10.1109/SSST.1993.522818","url":null,"abstract":"The initial results of an ongoing effort to develop a software package for computerizing the reservation system at the Great Smokey Mountains National Park services are reported. The package is a sophisticated but user-friendly software tool that will ease the problem of keeping track of reservations at the park. It uses advanced routines that are specifically written in assembly language for fast execution. It employs sophisticated database management routines for efficient operation and offers several protection levels to ensure the integrity of the database.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"22 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":"130767574","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
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