Showing papers in "Computers & Electrical Engineering in 1992"

TL;DR: This paper presents the concept of Cellular Robotic System (CEBOT), which is one of the self-organizing robotic systems, and describes some basic strategies for its realization, and proposes the optimal knowledge allocation method based on the information flow of the communication among cells.

TL;DR: In this article, the optical performance of the two phase reconstructors is explored using the single frame signal-to-noise ratio as a function of spatial frequency as a comparative performance measure.

TL;DR: In this paper, a signal processing technique was proposed to estimate the phase contribution of a particular turbulent layer of the atmosphere in a multiconjugate adaptive optics (MCAO) system by using the spatial diversity of wavefront sensor measurements from two or more reference sources.

TL;DR: In this paper, the authors describe experiences in designing intelligent machines and manufacturing systems, and present a model for carrying out design process of automatic production system and some guidelines in solving multidisciplinary problems in mechatronics are suggested.

TL;DR: The individual processing elements contained in the inverse QR algorithm are outlined, after which it is demonstrated how these processing elements may be connected to implement the overall inverse QR array.

TL;DR: The application of modal control for a phase-correcting, ground-based adaptive optical telescope is demonstrated with a Linear Quadratic Gaussian controller for generating actuator command voltages to a deformable mirror given a set of slope measurements from a wave front sensor.

TL;DR: An efficient approach that constructs the geometric world map model of the unknown 2-D environment where the mobile robot moves by searching it using range sensors included in the mobile robots is presented.

TL;DR: The results of an extensive computer simulation study are presented in this article, where the optimal parameter values are determined for previously derived weighted least squares algorithms used to estimate an object's Fourier spectrum from its bispectrum.

TL;DR: In this paper, a 2D adaptive filter structure based on the McClellan transformation design technique for 2D FIR filters is proposed as a means of achieving improved performance in 2-D adaptive filters.

TL;DR: In this paper, the sensitivity of the recently introduced Tricepstrum Equalization Algorithm (TEA) to carrier frequency offset is discussed, and a combined TEA-based equalization and carrier phase tracking is proposed.

TL;DR: In this paper, a methodology using the Lyapunov direct method is proposed to analyze the stability of a manipulator system which is positioned or forced against a deformable wall with collision phenomena.

TL;DR: Two efficient adaptive algorithms for least squares multichannel FIR filtering and system identification are developed and the first algorithm treats the covariance or unwindowed data case and adopts the prewindowing data assumption for further simplification.

TL;DR: In this paper, the idea of an independent actuator as a mechatronic solution to motion control problem is discussed as a closely related subject technological aspects of system control and in-machine communication are shortly presented Connection methods are presented for some alternative machine controllers, like PLC, CNC and PC Transmission delays of in machine communication are discussed as possible application dependent source of problems in the conclusion chapter the further studies are also presented

TL;DR: A distributed control system consists of several intelligent modules, one for each degree of freedom, each module contains one actuator, one or more actuators as mentioned in this paper, and each module can be replaced by multiple actuators.

TL;DR: This introduction considers the adaptive FIR filter's performance in configurations that include modeling, prediction, noise-cancelling and equalization and considers a number of algorithms for adapting the weights of the FIR filter.

TL;DR: In this paper, an idea for a modular and flexible water tap assembly system is presented, in which there are modular independent workstations with local, distributed control, and the modular approach makes it easy to adjust for changes in production.

TL;DR: A recurrent identification algorithm having an asymptotically optimal rate of convergence is obtained and is nonlinear if noises are non-Gaussian.

TL;DR: An efficient fault diagnosis algorithm for reconfigurable multipipelines in the presence of faulty switching elements is presented, and both bit-serial and bit parallel transfers are considered in the diagnosis.

TL;DR: The techniques presented in this paper can be used to obtain efficient implementations of basic linear algebra subroutines to perform computationally intensive operations frequently encountered in linear algebra.

TL;DR: In this paper, an adaptive method for the retrieval and enhancement of sinusoids in a quadrature sampling system is developed from a decomposed notch filter structure, consisting of cascaded or parallel first order complex notch filter modules.

TL;DR: The feasibility of using the least mean square (LMS) algorithm for signal smoothing is explored, an architecture is proposed where the LMS algorithm is used for both signal smoothed and system identification is proposed, and a dual mode adaptive signal processing technique using different time constants for sign smoothing and system Identification is developed.

TL;DR: The performance of the Synchronous Optical Network (SONET) protocol when it is receiving traffic from a Fiber Distributed Data Interface (FDDI) network is explored by simulation using a simple model developed with the NETWORK II.5 simulation program.

TL;DR: The exact solution to the minimization problem for the l0+, l2 and l∞ cases are given and used as a basis for choosing a good approximation solution for the positions which minimize the l1 norm.

TL;DR: Making the array adaptive is shown to enhance the array output SNR above that achievable by a fixed array, and the balance between directional improvement and hardware requirements is explored.

TL;DR: This algorithm allows the solution of practical deconvolution problems with spatially varying PSFs in a computationally efficient manner and presents results for sample calculations.

TL;DR: In this article, it was shown that an array is one-step L -fault diagnosable iff N ⊆ 2 L + 1 + 1, if the distance between faulty units is at least d + 1.

TL;DR: A new adaptive signal processing technique is described that does not require a training or reference signal for adaptation and is motivated by the drawbacks associated with two existing untrained algorithms in certain signal environments.

TL;DR: The developed decimal multiplication algorithm can provide an average multiplication speedup equal to 1.34 compared to the traditional algorithm that is based on repeated additions if both are implemented in pure hardware.

TL;DR: Joint recursive optimality is a unified framework for the “optimal” design of adaptive transversal filters and a deterministic criterion is proposed which operational algorithms meet exactly for each time step.

TL;DR: In this article, a recursive filter realization for an ionospheric model is presented in the form of a cascade of identical second-order all-pass filters, and is determined by only three parameters; two coefficients of an allpass section, and the number of sections.