Method for controlling a product production process
First Claim
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1. A method for controlling a process for producing a product, the method comprising:
- providing a set of seed neural networks corresponding to the process;
using genetic algorithm software to genetically operate on the seed neural networks to predict a characteristic of the product made by the process;
based upon the predicted characteristic of the product, manually adjusting the process to improve the predicted characteristic of the product.
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Abstract
A method for controlling a production process involving selection of process variables affecting product characteristics and using genetic algorithms to modify a set of seed neural networks based upon the process variables to an create an optimal neural network model. A commercial statistical software package may be used to select the process variables. Real-time process control data are fed into the optimal neural network model and used to calculate a projected product characteristic. A production control operator uses the list of process variables and knowledge of associated process control settings to control the production process.
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Citations
21 Claims
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1. A method for controlling a process for producing a product, the method comprising:
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providing a set of seed neural networks corresponding to the process;
using genetic algorithm software to genetically operate on the seed neural networks to predict a characteristic of the product made by the process;
based upon the predicted characteristic of the product, manually adjusting the process to improve the predicted characteristic of the product. - View Dependent Claims (11)
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2. A method for controlling a process for producing a product, the method comprising:
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providing process variable data associated with a product characteristic data, a set of process variables that are influential in affecting a product characteristic, and seed neural networks incorporating the process variables and the product characteristic;
using genetic algorithm software to genetically operate on the seed neural networks and arrive at an optimal model for predicting the product characteristic based upon the process variable data associated with the product characteristic data;
inputting process control data from the product production process into the optimal model and using the process control data to calculate a projected product characteristic;
based on the projected product characteristic, manually adjusting at least one process variable to control the process. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 12, 16)
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13. A method for generating a neural network model for a product production process, the method comprising:
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(a) providing a parametric dataset that associates process variable data with product characteristic data;
(b) generating a set of seed neural networks using the parametric dataset;
(c) defining a fitness fraction ranking order, genetic algorithm proportion settings, and a number of passes per data partition for a genetic algorithm software code;
(d) using the genetic algorithm software code to modify the seed neural networks and create an optimal model for predicting a product characteristic based upon the process variable data. - View Dependent Claims (14, 15)
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17. A method for controlling a product production process, the method comprising:
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providing a parametric dataset that associates process variable data with product characteristic data;
quasi-randomly generating a set of seed neural networks using the parametric dataset;
using a genetic algorithm software code to create an optimal model from the set of seed neural networks;
inputting process control data from the product production process into the optimal model and using the process control data to calculate a projected product characteristic;
based on the projected product characteristic, adjusting at least one process variable to control the process. - View Dependent Claims (18, 19, 20, 21)
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Specification