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A neural network approach to MVDR beamforming problem
1992
IEEE Transactions on Antennas and Propagation
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A Hopfield-type neural network approach which leads to an analog circuit for implementing the real-time adaptive antenna array is presented. ...
To tackle this difficulty, a neural analog circuit solution is particularly attractive in real-time applications with minimization of a cost function subject to constraints. ...
Based on this fact, the neural-based analog circuits are suggested to be one of the favorable choices for the real-time implementation for solving the MVDR problem. ...
doi:10.1109/8.135474
fatcat:feaolfuihrcx3clpsoprk44i7i
Distributed perimeter patrolling and tracking for camera networks
2010
49th IEEE Conference on Decision and Control (CDC)
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The algorithm converges to an optimal solution, and its distribuited implementation is obtainet through an electric circuit analogy. ...
In this work, we propose a distributed control strategy for perimeter patrolling and target tracking in a multi-camera videosurveillance system with communication, resources and speed constraints. ...
the u i (·) variables, but the control law is only applied at time instants in T i and not at every discrete time instant m∆ as it is for the discrete-time version model of the initial electric circuit ...
doi:10.1109/cdc.2010.5717883
dblp:conf/cdc/BaseggioCMPS10
fatcat:dvdacpnug5hmzlzauinwataxfu
Analog continuous-time filter designing for Morlet wavelet transform using constrained L2-norm approximation
2020
IEEE Access
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CONSTRAINED L2-NORM APPROXIMATION Under the scheme of common-pole filter construction, the key step to control the implementation accuracy is the approximation for time-shifted Gaussian envelope. ...
That makes it possible to share partial circuit components in analog implementations of () real Hs and () imag Hs .
V. APPLICATION EXAMPLES
A. ...
For more information, see https://creativecommons.org/licenses/by/4.0/. This article has been accepted for publication in a future issue of this journal, but has not been fully edited. ...
doi:10.1109/access.2020.3007254
fatcat:ok7wkdyqobe53fsa5t2ua2jb6q
Real-time analog global optimization with constraints: application to the direction of arrival estimation problem
1995
IEEE transactions on circuits and systems - 2, Analog and digital signal processing
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An analog technique for real-time, multi-variate, global optimization with constraints is presented. ...
Even though the proposed method is applicable to a wide range of engineering problems, the real-time, global and other capabilities of this method are demonstrated speci cally with an optimization problem ...
Jian Kan Yang for useful input. ...
doi:10.1109/82.378037
fatcat:wasnefy53jbtlp36ggfeku2cce
Performance bound and yield analysis for analog circuits under process variations
2013
2013 18th Asia and South Pacific Design Automation Conference (ASP-DAC)
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Yield estimation for analog integrated circuits are crucial for analog circuit design and optimization in the presence of process variations. ...
Then frequency response bounds of the transfer functions in terms of magnitude and phase are obtained by a nonlinear constrained optimization technique. ...
Review of Symbolic Analysis for Analog Circuits Graph-based symbolic technique is a viable tool for calculating the behavior or characteristic of analog circuits [14] . ...
doi:10.1109/aspdac.2013.6509692
dblp:conf/aspdac/LiuPRTTC13
fatcat:3tlrutq6jzgnfj3pjlpsurpgbi
Segmentation Circuits Using Constrained Optimization
1991
Neural Information Processing Systems
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By interpreting the minimized energy as the generalized power of a nonlinear resistive network, a continuous-time analog segmentation circuit was constructed. ...
A novel segmentation algorithm has been developed utilizing an absolutevalue smoothness penalty instead of the more common quadratic regularizer. ...
Acknowledgements Much of this work was perform at Calt.ech with the support of Christof Koch and Carver Mead. ...
dblp:conf/nips/Harris91
fatcat:ioh3zkzwxzbfvay7r7j6y6ly5y
Mixed-signal architecture of randomized receding horizon control for miniature robotics
2012
2012 IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS)
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To accommodate the demands of this application area, we describe the architecture of a mixed-signal mobile robot control system using randomized receding horizon control. ...
Control of miniature mobile robots in unconstrained environments is an ongoing challenge. ...
Moreover, the states and control actions are constrained in that: x j|k ∈ X k , u j|k ∈ U (3) for all time instances j ∈ {1, ...N }. ...
doi:10.1109/mwscas.2012.6292084
dblp:conf/mwscas/KuhlmanALAM12
fatcat:qmwuos5y7jce3emz5rr6w75rae
Performance bound analysis of analog circuits in frequency- and time-domain considering process variations
2013
ACM Transactions on Design Automation of Electronic Systems
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Monte Carlo for both frequency-domain and time-domain bound analyses. ...
In this article, we propose a new performance bound analysis of analog circuits considering process variations. ...
for statistical analysis and optimization for analog/mixed-signal methods at current stage. ...
doi:10.1145/2534395
fatcat:ium4ya54pjdm5oegdf72igxdmu
Programmable switched-capacitor neural network for MVDR beamforming
1996
IEEE Journal of Oceanic Engineering
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Abstruct-In this paper, a real-time adaptive antenna array based on a neural network approach is presented. ...
Since an array operating in a nonstationary environment requires a programmable synaptic weight matrix for the neural network, the switched-capacitor (SC) circuits with the capability of programmability ...
In order to meet the requirement of neural-based optimizer, one should convert it into a real-value constrained quadratic programming formulation. ...
doi:10.1109/48.485203
fatcat:hnvgz4lpv5enjbkitu6m7s5kyy
DNN-Opt: An RL Inspired Optimization for Analog Circuit Sizing using Deep Neural Networks
2021
2021 58th ACM/IEEE Design Automation Conference (DAC)
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to handle constrained nature of analog sizing [11] . ...
Analog Circuit Sizing: Problem Formulation We formulate analog circuit sizing task as a constrained optimization problem succinctly as below. minimize f 0 (x) subject to f i (x) ≤ 0 for i = 1, . . . , ...
doi:10.1109/dac18074.2021.9586139
fatcat:7dd6fow2rbdvnbrijtdwhezdqq
Table of contents
2006
Proceedings of the Design Automation & Test in Europe Conference
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Schoeberl Optimizing the Generation of Object-Oriented Real-Time Embedded Applications Based on the Real-Time Specification for Java .................................... M A. Wehrmeister, C. F. ...
Mitra Performance Optimization for Energy-Aware Adaptive Checkpointing in Embedded Real-Time Systems............ 678 Z7 Li,H Chen andS. ...
doi:10.1109/date.2006.243944
fatcat:og5za5ztvjbbrhxzsnji2pyfde
Towards Analog Design Automation using Evolutionary Algorithm: A Review
2016
Indian Journal of Science and Technology
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Computation methods provide the set of feasible solutions for the optimal circuit design of analog integrated circuits. ...
It is necessary to integrate both analog and digital in a single chip for real world communication. Due to system level integration we need analog design automation tool for IC design. ...
This algorithm is not applicable or efficient to the real-time optimization, continuous optimization and multiobjective optimization. ...
doi:10.17485/ijst/2016/v9i39/97980
fatcat:ih4ybelukvb4ri6sgnfnbf3rga
Optimized is Not Always Optimal - The Dilemma of Analog Design Automation
2022
Proceedings of the 2022 International Symposium on Physical Design
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These issues lie in the mode of operation of the typical optimization processes employed for the synthesizing tasks. ...
I will show that the dilemma that arises in analog design with these optimizers is the root cause of the low level of automation in analog design. ...
And normally they cannot be automatically passed to the optimizers. This type of "constraining" work typically has to be done manually and is very time-consuming. ...
doi:10.1145/3505170.3511042
fatcat:x5gt66udpbbnzotjbxgvu5mhdi
Formal Verification of Analog and Mixed Signal Designs: Survey and Comparison
2006
2006 IEEE North-East Workshop on Circuits and Systems
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Analog and mixed signal (AMS) circuits are important integrated circuits that are usually needed at the interface between the electronic system and the real world. ...
Researchers started lately studying the applicability of formal methods for the verification of AMS systems as a way to tackle the limitations of conventional verification methods like simulation. ...
In order to tackle the state explosion problem due to the exhaustive analysis, they proposed in addition using techniques from optimal control (i.e., hybrid constrained optimization) in order to find bounds ...
doi:10.1109/newcas.2006.250926
fatcat:lv3amsihvjdori7ucu4ryxq4i4
Verification and Design Methods for the BrainScaleS Neuromorphic Hardware System
2020
Journal of Signal Processing Systems
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Simulation methods for automated analysis and pre-tapeout calibration of the highly parameterizable analog neuron and synapse circuits and for hardware-software co-development of the digital logic and ...
Accelerated operation of neuromorphic circuits and highly-parallel digital data buses between the full-custom neuromorphic part and the PPU require custom methodologies to close the digital signal timing ...
Hartel for the timing characterization of the anncore. We thank S. Höppner and S. Scholze from the group Hochparallele VLSI-Systeme und Neuromikroelektronik of C. ...
doi:10.1007/s11265-020-01558-7
fatcat:wkgpqcrdgfb43kssrr6o7pa36y
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