node-red-contrib-genetic-charging-strategy/dist/mutation.js

A module for Node-RED that adds a battery charging strategy to node-red-contrib-power-saver. It uses genetic algorithms to find the best schedule

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.mutationFunction = void 0;
const utils_1 = require("./utils");
const mutationFunction = (props) => (phenotype) => {
    const { totalDuration, mutationRate } = props;
    const timeAdjustment = (low, mid, high) => {
        return (0, utils_1.random)(0.1 * (low - mid), 0.1 * (high - mid));
    };
    return {
        periods: phenotype.periods.map((gene, node) => {
            const g = { ...gene };
            if (Math.random() < mutationRate) {
                // Mutate action
                g.activity = (0, utils_1.generateRandomActivity)(gene.activity);
            }
            if (gene.start > 0 && Math.random() < mutationRate) {
                g.start += timeAdjustment(node.previous.data.start + 1, gene.start, node.next ? node.next.data.start : totalDuration);
            }
            return g;
        }),
        excessPvEnergyUse: phenotype.excessPvEnergyUse,
    };
};
exports.mutationFunction = mutationFunction;