Evolutionary controlling system with behavioral simulation
AssigneeYamaha Katsudoki Kabushiki Kaisha
InventorsMasashi Yamaguchi, Ichikai Kamihira
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Abstract
An evolutionary control for a subject such as an engine installed in a vehicle is conducted by the steps of: selecting coefficients, as genes, affecting the control characteristics of the control system; creating plural control units as chromosomes, each being constituted by plural genes; expressing the genes of each chromosome as control characteristics by conducting behavioral simulation on each chromosome; selecting at least one chromosome from the created chromosomes based on the result of the behavioral simulation; and causing the at least one chromosome to evolve using a genetic algorithm, thereby obtaining control characteristics suitable for the user. In this method, the characteristics of the product can easily be adjusted after its purchase.
Claims6
A method for adapting operation of a motor specifically to a target condition, said motor being operable by an operation signal outputted from a control unit when receiving a pre-selected signal, said method comprising the steps of:
- (a) providing a computer simulation of the motor, said simulation simulating motor operation and comprising a motor simulation and a control unit simulation programmed to formulate plural control modules, each outputting an operation signal for operating the motor when receiving a pre-selected signal;
- (b) operating the simulation by the steps of:
- (i) formulating multiple control modules under predetermined rules;
- (ii) inputting a pre-selected signal to the multiple control modules to output from each control module an operation signal into the motor simulation, thereby operating the motor simulation;
- (iii) detecting a signal indicative of the operation of the motor simulation;
- (iv) selecting at least one control module from the multiple control modules, which module is adaptive to the target condition, based on the indicative signal;
- (v) formulating subsequent multiple control modules based on the selected control module(s), if the selected control module is not final;
- and
- (vi) repeating steps (ii) through (v) until the motor simulation is operated adaptively to the target condition, wherein a finally selected control module is obtained;
- (c) saving the finally selected control module in a memory;
- and
- (d) operating said motor using the control module which retrieves the finally selected module from the memory, wherein the motor is operated adaptively to the target condition.
Dependencies are inferred from the claim text.