TL;DR: Three dominant hybrid approaches to intelligent control are experimentally applied to address various robotic control issues which are currently under investigation at the NASA Center for Autonomous Control Engineering.
TL;DR: In this paper, the Routh approximation is used to formulate the common denominator polynomial of a reduced order model for multivariable systems, which has several advantages, e.g. the reduced order models retain the steady state value and stability of the original system.
TL;DR: A methodology based on a genetic algorithm to automate the design of combinational logic circuits in which the total number of gates used is minimized, and the importance of using a non-binary representation in this problem is analyzed.
TL;DR: An approach combining the feedforward neural network and the simulated annealing method to solve unit commitment, a mixed integer combinatorial optimisation problem in power system, demonstrates that the proposed approach can solveunit commitment in a reduced computational time with an optimum generation schedule.
TL;DR: In this article, a new adaptive control of underwater robots with sonar-based position measurements is presented, which is shown robustness of the control system in the presence of unmodeled dynamics and various noises.
TL;DR: In this article, an approach based on parallel self-organizing hierarchical neural network is presented to predict a maximum loadability margin which is an indication of the power system's proximity to voltage collapse.
TL;DR: A new neural network based cache replacement algorithm called KORA (Khalid Obaidat Replacement Algorithm) is presented, which uses neural network(s) as a kind of directory in order to identify and distinguish between active and inactive cache lines.
TL;DR: Five different fuzzifying circuits, which can be easily embedded into other systems, are presented and two novel defuzzifying schemes based on voltage and charge modes are introduced.
TL;DR: In this paper, the authors used the normalized difference vegetation index as calculated through processing data obtained from the advanced very high resolution radiometer sensor as a measure of photosynthetic activity to predict the migration of Africanized honey bees.
TL;DR: A triple-error correcting and quadruple-error detecting (TEC–QED) code, that is capable of correcting three and detecting four soft errors, simultaneously, simultaneously is presented.
TL;DR: A new threshold decryption scheme is proposed, which allows confidential messages to be encrypted in t -out-of- n shared secret schemes Whenever the number of participants from the group is larger than or equal to a predetermined threshold value t, the confidential message can be obtained.
TL;DR: In this paper, two enhancement techniques, namely Refreshment Method and No-Twins Method, are used with the GA operators to improve the performance of the GA in assessment of high voltage fields.
TL;DR: This paper shows how system call traces can be obtained with minimal interference to the system being characterized, and used as realistic, repeatable workloads for experiments to evaluate operating system and file system designs and configuration alternatives.
TL;DR: A fuzzy logic modification system to the standard backpropagation algorithm, with respect to the learning rate parameter, is proposed to speed up training time while also providing a more stable convergence.
TL;DR: An efficient routing algorithm and a new model for evaluating the average packet delay in high-speed networks are proposed, which takes into account the level of congestion over each link in order to choose the best possible routes for each source/destination pair.
TL;DR: A load-balanced, efficient algorithm for solving the Astrophysics simulation of N -body problem using tree-based data structures and massively parallel computing architectures, based on the Barnes–Hut method is described.
TL;DR: A unique feature of the design is the manner in which the software and hardware components have been organized as an intelligent system, obviating on the part of the user a detailed knowledge of filter design theory or any abilities in processor architecture and assembly code programming.
TL;DR: In this paper, Fourier Transform infrared (FT-IR) spectra of nitrogen dioxide, hydrogen chloride and sulfur dioxide have been recorded in the spectral region 400-4000 cm −1 with 1-4 cm − 1 resolution under quasi-static and flow-through conditions through tubings of aluminum, copper, stainless steel and Teflon.
TL;DR: The primary purpose of the paper is to provide intuition, based on filter-optimization experience, for the values of the extreme eigenvalues and for their variation with matrix order and key spectral parameters.
TL;DR: Dual Convergence Approach (DCA) as mentioned in this paper is a two-way approach to the design of converter-motor pair for asynchronous drives, which contemplates a gainful use of the till-believed undesirable time-harmonics in the supply system for production of aiding torque through interactive effects of spaceharmonics deliberately introduced in conductor distribution through careful design of the windings.
TL;DR: In this paper, a new multi-rate control scheme for optimal digital-redesign approach of the input time-delay continuous-time cascaded system is presented, which can be implemented using low-cost microcomputers with a relatively longer sampling period.
TL;DR: In this paper, the authors proposed a dual convergence approach to enable gainful use of time-harmonics in the supply profile for the production of aiding torques, which is called Dual Convergence Approach (DCA).
TL;DR: This paper introduces a notion of overlap and its definition, and a few different ways to capture its effects, and describes some of the ASCI benchmarks using the overlap and some other quantities related to it.
TL;DR: In this article, electron beam fluorescence (EBF) and focused schlieren (FS) have been used for high-speed flow characterization and visualization of the High-speed Flow Generator (HFG) at NASA LaRC.
TL;DR: A Dynamic-link library (DLL), which implements the native code for controlling the serial port of a PC (programming, sending and receiving data), is presented in this paper.
TL;DR: In this paper, necessary and sufficient conditions for the physical realizability of multivariable (k-D) filters, obtained by the sum or difference of two k-D all-pass filters have been obtained.
TL;DR: The implementation methodology of GA is developed after implementing several GA-based Datapath synthesis algorithms and the methodology is found to be very effective in DatapATH synthesis problems.
TL;DR: In this paper, a structural analysis of the fuselage of an experimental aircraft that retraces the flight path of a supersonic aircraft is performed to determine if resonance and/or undesirable deformations that could affect the instrumentation readings occur.