MASS-COUPLED CHEMICAL-SYSTEMS WITH COMPUTATIONAL PROPERTIES

被引:44
作者
HJELMFELT, A [1 ]
ROSS, J [1 ]
机构
[1] STANFORD UNIV,DEPT CHEM,STANFORD,CA 94305
关键词
D O I
10.1021/j100132a030
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We simulate a pattern recognition device constructed from mass-coupled chemical reactors. Each reactor is an open system containing a bistable (iodate-arsenous acid) reaction. We store arbitrary patterns of high and low iodide concentrations in the network using a Hebb type rule. When the network is initialized with a pattern which is similar to a stored pattern, errors in the initial pattern are corrected and the similar stored pattern is recalled. When the network is initialized with a pattern which is not similar to a stored pattern, the network evolves to a homogeneous state which signals nonrecognition. The network is a programmable parallel computational device.
引用
收藏
页码:7988 / 7992
页数:5
相关论文
共 30 条
[1]   SYSTEMATIC DESIGN OF CHEMICAL OSCILLATORS .16. BIRHYTHMICITY AND COMPOUND OSCILLATION IN COUPLED CHEMICAL OSCILLATORS - CHLORITE-BROMATE-IODIDE SYSTEM [J].
ALAMGIR, M ;
EPSTEIN, IR .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1983, 105 (08) :2500-2502
[2]   ELECTRICALLY COUPLED BELOUSOV-ZHABOTINSKII OSCILLATORS .1. EXPERIMENTS AND SIMULATIONS [J].
CROWLEY, MF ;
FIELD, RJ .
JOURNAL OF PHYSICAL CHEMISTRY, 1986, 90 (09) :1907-1915
[3]   BISTABILITY IN THE OXIDATION OF ARSENITE BY IODATE IN A STIRRED FLOW REACTOR [J].
DEKEPPER, P ;
EPSTEIN, IR ;
KUSTIN, K .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1981, 103 (20) :6121-6127
[4]   A COUPLED CHEMICAL BURSTER - THE CHLORINE DIOXIDE IODIDE REACTION IN 2 FLOW REACTORS [J].
DOLNIK, M ;
EPSTEIN, IR .
JOURNAL OF CHEMICAL PHYSICS, 1993, 98 (02) :1149-1155
[5]   RELAXATION BEHAVIOR IN A BISTABLE CHEMICAL-SYSTEM NEAR THE CRITICAL-POINT AND HYSTERESIS LIMITS [J].
GANAPATHISUBRAMANIAN, N ;
SHOWALTER, K .
JOURNAL OF CHEMICAL PHYSICS, 1986, 84 (10) :5427-5436
[6]  
HEBB DO, 1949, ORG BEHAVIOR
[7]  
Herz J., 1991, INTRO THEORY NEURAL
[8]   CHEMICAL IMPLEMENTATION AND THERMODYNAMICS OF COLLECTIVE NEURAL NETWORKS [J].
HJELMFELT, A ;
ROSS, J .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1992, 89 (01) :388-391
[9]   PATTERN-RECOGNITION IN COUPLED CHEMICAL KINETIC SYSTEMS [J].
HJELMFELT, A ;
SCHNEIDER, FW ;
ROSS, J .
SCIENCE, 1993, 260 (5106) :335-337
[10]   CHEMICAL IMPLEMENTATION OF NEURAL NETWORKS AND TURING-MACHINES [J].
HJELMFELT, A ;
WEINBERGER, ED ;
ROSS, J .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1991, 88 (24) :10983-10987