Optimization apparatus, optimization method, and program

JP7876742B2Active Publication Date: 2026-06-19MITSUBISHI ELECTRIC CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
MITSUBISHI ELECTRIC CORP
Filing Date
2024-04-23
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing optimization devices face a degradation in quantization accuracy when there are no discretization points that coincide with continuous variables.

Method used

The optimization device includes a variable transformation unit that transforms a continuous variable into a candidate binary solution, a variable inverse transformation unit for inverse conversion, an evaluation value calculation unit for evaluating the transformed variable, and a transformation rule update unit that updates the transformation rules based on the evaluation value, preventing degradation of quantization accuracy.

Benefits of technology

This configuration enables the optimization device to maintain high quantization accuracy even when there are no discretization points that coincide with the continuous variable, by dynamically adjusting the transformation rules and inverse transformation rules.

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Abstract

This optimization device is configured to comprise: a variable transformation part (1) that acquires a first continuous variable, which is represented as either a real number value or an integer value, and transforms the first continuous variable into a candidate solution, which is a binary variable; a variable inverse transformation part (2) that inversely transforms the candidate solution into a second continuous variable; an evaluation value calculation part (3) that calculates an evaluation value of the second continuous variable; and a transformation rule update part (4) that updates, on the basis of the evaluation value, each of the rule of transformation into a candidate solution performed by the variable transformation part 1 and the rule of inverse transformation into a second continuous variable performed by the variable inverse transformation part 2.
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