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Title:
A PARALLEL PROCESSOR NETWORK, A PROCESSOR AND A METHOD FOR SOLVING DIFFERENTIAL EQUATIONS IN A PARALLEL PROCESSOR NETWORK
Document Type and Number:
WIPO Patent Application WO2002088990
Kind Code:
A3
Abstract:
The present invention relates to a parallel processor network, a processor and a method for solving differential equations in a parallel processor network. A parallel processor network includes several processors (processing units) that are arranged in a regular form. A processing unit is coupled with selected processing units. A problem for integrating this kind of a parallel processor network into a chip is the minimization of the physical size and power consumption of the processor. In the parallel processor network of the invention, the couplings are realized with analog multipliers. The sum of analog couplings is converted to a digital quantity that is used to digitally integrate the state(s) of a processing unit. The state(s) are converted to an analog quantity that is used to control the analog multipliers. The invention allows the minimization of the power consumption and physical size of the paralles processor network.

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Inventors:
LAIHO MIKA (FI)
PAASIO ARI (FI)
KANANEN ASKO (FI)
Application Number:
PCT/FI2002/000370
Publication Date:
May 01, 2003
Filing Date:
April 30, 2002
Export Citation:
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Assignee:
LAIHO MIKA (FI)
PAASIO ARI (FI)
KANANEN ASKO (FI)
International Classes:
G06F17/13; G06J1/00; (IPC1-7): G06F15/80; G06J1/02; G06N3/063
Foreign References:
EP0775972A21997-05-28
Other References:
AZHAD A ET AL: "High precision hybrid analogue/digital synapses.", PROCEEDINGS OF THE THIRD AUSTRALIAN CONFERENCE ON NEURAL NETWORKS (ACNN'92), 3 February 1992 (1992-02-03) - 5 February 1992 (1992-02-05), CANBERRA, ACT, AUSTRALIA, pages 52 - 55, XP002902641
LAIHO M ET AL: "Discrete time analog polynomial type CNN with digital state.", THE 2001 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (CAT, NO. 01CH37196), ISCAS 2001, vol. 2, 6 May 2001 (2001-05-06) - 9 May 2001 (2001-05-09), SYDNEY, NSW, AUSTRALIA, pages III-497 - III-500, XP002902642, ISBN: 0-7803-6685-9
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