The concept of biologically motivated time-pulse information processing for design and construction of multifunctional devices of neural logic

Abstract

On the basis of the analysis of advanced approaches and optoelectronic systems for realization of various logics: two-valued, multi-valued, neural, continuous and others the biologically motivated time-pulse conception for building of multifunctional reconfigurable universal elements with programmable tuning for neurobiologic is grounded. The concept consists in usage of preliminary conversion of multi-level or continuous optic 2D signals into durations of time intervals (the conversion to a temporal area) and further use of time-pulse two-level digital signals that allows to ensure fast tuning to a required function of two-valued, multi-valued and other logics. It is shown that optoelectronic pulse-phase and pulse-width modulators (PPM and PWM) are the base elements for that. Time-pulse coding universal elements for matrix two-valued and multi-valued logics and structural-functional design of universal time-pulse coding elements for neural (continuous) logic are considered in the article. PPMs realized on 1.5µm technology CMOS transistors are considered. The PPMs have parameters: the input photocurrent range is 10nA…10µA; the conversion period is 10µs…1ms; the conversion relative error is 0.1…1%; the conversion law is ramp; the supply voltage is 3V and the power consumption is 83µW. The small power consumption of such PPMs enables successfully their integration in 2D-array with size of 128x128 elements and more and productivity equals 1…10 Giga continuous logic operations per sec.Keywords: 2D-array neural logic optoelectronic devices, time-pulse coding (TPC) structures, pulse-phase photoconverter of picture type (PPPC PT), pulse-phase modulator (PPM), neurobiologic, universal continuous logic element (UCLE).

Design and Simulation of Neuron-Equivalentors Array for Creation of Self-Learning Equivalent-Convolutional Neural Structures (Slecns)

“…The experiments in work [9] show great promise of the proposed methods and models of self-learningrecognition of images, including multilevel images. But for their work in real time, taking into account the large requirements for performance and the amount of calculations, it is necessary to have appropriate high-performance and energy-efficient arrays with parallel principles of operation and picture input-outputs, whose design was partially considered in papers [15][16][17][18][19][20][21][22]. And here we will offer a new structure.…”

Simulation results of optoelectronic photocurrent reconfigurable (OPR) universal logic devices (ULD) as the universal circuitry basis for advanced parallel high-performance processing

“…These base elements are used for realization also others elements of continuous logic such as equivalentor (nonequivalentor) and so on 18,23,24 , but with analog amplitude, and non time-pulse coding. For realization of time -pulse coding elements of continuous matrix logic the picture ULE of two valued logic are needed for logic operation on time-pulse coded signals 7 . In paper 25 the OPR ULE for realization of universal two valued logic operations on optical signals is developed.…”

Design and simulation of programmable relational optoelectronic time-pulse coded processors as base elements for sorting neural networks

“…Taking into account that the inputs in such devices, for providing of possibilities of their integration and forming of the multichannel systems, must be optical, it is expedient to use for planning of bases cells, or even their input chains, approaches in which current mirrors are used for realization of operations of continuous logic (CL) 8 . Thus necessary max and min operations will be realized through the operations of the limited difference, described yet in works 9 .…”