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Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)最新文献

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An efficient algorithm for dual-voltage design without need for level conversion 一种无需电平转换的高效双电压设计算法
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-05-07 DOI: 10.1109/SSST.2012.6195150
M. Allani, V. Agrawal
{"title":"An efficient algorithm for dual-voltage design without need for level conversion","authors":"M. Allani, V. Agrawal","doi":"10.1109/SSST.2012.6195150","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195150","url":null,"abstract":"We propose a technique to use dual supply voltages in digital designs to reduce energy consumption. New algorithms are proposed for finding and assigning a lower voltage in a dual voltage design. Given a circuit and a supply voltage and an upper bound on the critical path delay, the first algorithm finds an optimal lower supply voltage and a second algorithm assigns that lower voltage to selected gates. A linear time algorithm described in the literature is used for computing slacks for all gates of the circuit for a given supply voltage. For the computed gate slacks and the lower supply voltage, all gates are divided into three groups such that no gate in the first group can be assigned the lower supply, all gates in the second group can be simultaneously set to lower supply while maintaining positive slack for every gate, and gates in the third group are assigned low voltage, iteratively, in selected subsets at a time. The gate slacks are recalculated after each such voltage assignment. Thus, the overall complexity of this reduced power dual voltage assignment procedure is O(n2). SPICE simulations of ISCAS'85 benchmark circuits using the 90-nm bulk CMOS technology results show up to 60% energy savings.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129777466","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: 5
HTG prediction algorithm for SoC design 用于SoC设计的HTG预测算法
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195158
Ruei-Xi Chen, Jian-Jyh Kao, J. Fan
{"title":"HTG prediction algorithm for SoC design","authors":"Ruei-Xi Chen, Jian-Jyh Kao, J. Fan","doi":"10.1109/SSST.2012.6195158","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195158","url":null,"abstract":"Efficient design methodology is the key toward success for System-on-a-Chip (SoC) design. In this paper, we proposed a design methodology based on the Hot-Task Group (HTG) to improve the design efficiency. The method is using a fitness function to collect the valuable functionality task of applications, and then extracts the best HTG for hardware design consideration. This method not only significantly reduces the design complexity but also avoid the design traps that traditional methods encountered. A study case of H.264 encoder reveals the design efficiency.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123781826","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
Dynamic simulation of cage rotor induction machine — A simplified and modular approach 笼型转子感应电机的动态仿真——一种简化的模块化方法
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195112
O. Momoh
{"title":"Dynamic simulation of cage rotor induction machine — A simplified and modular approach","authors":"O. Momoh","doi":"10.1109/SSST.2012.6195112","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195112","url":null,"abstract":"This paper adopted an easy to understand Simulink Induction Motor Model. A somewhat different induction machine model equations in which flux linkage equations are expressed in terms of reactances rather than inductances is used. The Simulink blocks utilized is divided into fourteen sub-systems with each subsystem solving one of the model equations in a detailed, easy to understand form. The results obtained correlates with the results obtained using inductance based flux linkage approach.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128630770","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
Desensitized divided difference filtering for induction motor state estimation 感应电机状态估计的脱敏差分滤波
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195121
C. Karlgaard, H. Shen
{"title":"Desensitized divided difference filtering for induction motor state estimation","authors":"C. Karlgaard, H. Shen","doi":"10.1109/SSST.2012.6195121","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195121","url":null,"abstract":"This paper develops a robust divided difference filtering approach based on the concept of Desensitized Kalman Filtering, for use in induction motor state estimation. In this approach, reduced-order filters can be developed that are insensitive to parameter uncertainties. The filters are formulated using a minimum variance cost function, augmented with a penalty function consisting of a weighted norm of the state sensitivities. Solutions are provided for first and second-order divided difference filters. The proposed algorithms are demonstrated using Monte-Carlo simulation techniques.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132598803","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: 8
Particle filter based localization of the Nao biped robots 基于粒子滤波的Nao双足机器人定位
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195128
Ehsan Hashemi, Maani Ghaffari Jadid, Majid Lashgarian, Mostafa Yaghobi, Mohammad Shafiei
{"title":"Particle filter based localization of the Nao biped robots","authors":"Ehsan Hashemi, Maani Ghaffari Jadid, Majid Lashgarian, Mostafa Yaghobi, Mohammad Shafiei","doi":"10.1109/SSST.2012.6195128","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195128","url":null,"abstract":"Proper performance of biped robots in various indoor environment conditions depends on reliable landmark detection and self-localization. Probabilistic approaches are among the most capable methods to present a real-time and inclusive solution for biped robot's localization. This paper focuses on the newly proposed odometry system implementing the kinematic model, predictive estimator of the camera position, particle filter methods such as Monte Carlo Localization (MCL) and Augmented MCL with utilization of landmarks, lines, points, and optimized filtering parameters for robots' state estimation. Moreover, kidnap scenarios which could not be considered and handled with the uni-modal Kalman filter-based techniques, are studied here for the Nao biped robots on the RoboCup standard platform league's soccer filed. Experimental data are employed to evaluate effectiveness and performance of the proposed vision module and augmented MCL scheme.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133814243","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: 13
A fault tolerant parallel-prefix adder for VLSI and FPGA design 用于VLSI和FPGA设计的容错并行前缀加法器
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195145
C. Martinez, L. P. D. Bollepalli, David H. K. Hoe
{"title":"A fault tolerant parallel-prefix adder for VLSI and FPGA design","authors":"C. Martinez, L. P. D. Bollepalli, David H. K. Hoe","doi":"10.1109/SSST.2012.6195145","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195145","url":null,"abstract":"A fault tolerant parallel-prefix adder can be implemented using a Kogge-Stone configuration due to the inherent redundancy in the carry-tree. While this design can be used to correct a fault in the carry-tree, no provision was made for fault detectability. This paper proposes utilizing a sparse Kogge-Stone adder that is capable of both fault detectability and fault correction. The sparse carry tree is complemented by several smaller ripple carry adders. Two additional ripple carry adders allow fault tolerance to be achieved. A triple-mode redundant ripple carry adder (TMR-RCA) is used as a point of reference. Synthesis and simulation for an FPGA platform are carried out. It is found that the TMR-RCA is still the best approach for an FPGA fault-tolerant implementation due to the simplicity of the approach and the use of the fast-carry chain. However, the superior performance of the carry-tree over a ripple carry adder in a VLSI implementation makes this proposed approach attractive for ASIC designs.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132581953","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
Parallel multitarget tracking particle filters using Graphics Processing Unit 使用图形处理单元的并行多目标跟踪粒子滤波器
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195151
Jiande Wu, V. Jilkov
{"title":"Parallel multitarget tracking particle filters using Graphics Processing Unit","authors":"Jiande Wu, V. Jilkov","doi":"10.1109/SSST.2012.6195151","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195151","url":null,"abstract":"This paper presents design, implementation, and performance evaluation results of parallel multitarget tracking particle filters using a Graphics Processing Unit (GPU) as a parallel computing environment. Since the resampling step is a bottleneck in parallel particle filtering two parallel tracking algorithms are implemented and compared - with centralized resampling and with distributed resampling using proportional allocation, respectively. Performance evaluation and comparison between both parallel implementations, and with a fully centralized implementation are provided based on experimental data obtained from several simulated multitarget tracking scenarios.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121699853","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: 5
Time scale-based observer design for battery state-of-charge estimation 基于时间尺度的电池电量状态估计观测器设计
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195130
I. Gravagne, J. M. Davis, D. Poulsen
{"title":"Time scale-based observer design for battery state-of-charge estimation","authors":"I. Gravagne, J. M. Davis, D. Poulsen","doi":"10.1109/SSST.2012.6195130","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195130","url":null,"abstract":"We propose a novel time scale-based observer to estimate the state-of-charge (SoC) of a Lithium-ion battery. The design of the observer promises eventual hardware instantiations that require less power to operate than standard observer designs, while still increasing the accuracy of SoC estimation relative to Coulomb counting methods.1","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122373794","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 Canonical Form for the formulation and solution of multivariable, optimal energy-harvesting problem 多变量最优能量收集问题的表述和解的标准形式
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195125
C. Johnson
{"title":"A Canonical Form for the formulation and solution of multivariable, optimal energy-harvesting problem","authors":"C. Johnson","doi":"10.1109/SSST.2012.6195125","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195125","url":null,"abstract":"The nomenclature, generic features, and a protocol for developing an appropriate mathematical model, for a broad class of optimal energy-harvesting problems are presented. A Canonical Mathematical Model is developed for posing a broad class of optimal energy-harvesting problems, and is shown to lead-to an unusual-form of the classical Linear Quadratic Optimal Control Problem.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128676960","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 practical model to analytically characterize the polarization hysteresis of ferroelectric capacitors 一种实用的分析铁电电容器极化迟滞特性的模型
Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST) Pub Date : 2012-03-11 DOI: 10.1109/SSST.2012.6195142
B. Shrestha, R. Pieper, W. Wondmagegn, D. Mao, I. Mejia, H. Stiegler, B. Gnade, M. Quevedo-López
{"title":"A practical model to analytically characterize the polarization hysteresis of ferroelectric capacitors","authors":"B. Shrestha, R. Pieper, W. Wondmagegn, D. Mao, I. Mejia, H. Stiegler, B. Gnade, M. Quevedo-López","doi":"10.1109/SSST.2012.6195142","DOIUrl":"https://doi.org/10.1109/SSST.2012.6195142","url":null,"abstract":"A simulation based comparative study of the polarization hysteresis of the ferroelectric capacitor using various ferroelectric models is presented. A 2-dimensional finite element device-level model was implemented using SILVACO's ATLAS device simulator to generate the polarization hysteresis characteristics for Au/Poly(vinylidene fluoride-trifluoroethylene)/Au metal-insulator-metal (MIM) device. Landau free energy expression for electric field in terms of polarization is also implemented in the MATLAB to produce the polarization hysteresis curve of polycrystalline ferroelectrics. The main drawback of these models was their inability to predict polarization saturation at the same electric field limits for which the experimental device was saturating. A new model for ferroelectric hysteresis based on curve fitting algorithm is derived that forces the polarization to be saturated at desired electric field. The MATLAB simulation of this model and the experimental hysteresis is compared which shows an excellent level of agreement.","PeriodicalId":444079,"journal":{"name":"Proceedings of the 2012 44th Southeastern Symposium on System Theory (SSST)","volume":"183 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120948087","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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