Computational Model for Input Parameter Distribution Optimization

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Solution Overview

Problem

Conventional process model based control systems fail to simultaneously optimize input parameter distribution requirements by not addressing inter-correlations between individual input parameters during model generation and optimization.

Innovation Solution

A method and system that involves obtaining data records for input and output parameters, generating a computational model to represent interrelationships between them, determining desired statistical distributions of input parameters, and recalibrating these parameters based on those distributions to create an optimized control model for controlling engine operations in work machines.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional process model based control systems relate individual input parameters to control functions without addressing inter-correlations, then the control system structure remains simple, but the optimization of input parameter distribution requirements fails

Engineering Contradiction:
Improveoptimization of input parameter distributionVSAvoidcontrol system structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent transforms the control model from a conventional individual parameter relationship to a computational model that incorporates statistical distributions and inter-correlations of multiple input parameters. This parameter transformation enables simultaneous optimization of input parameter distribution requirements while maintaining manageable system complexity through mathematical modeling techniques.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If a computational model incorporating interrelationships between input parameters is generated, then the accuracy of control optimization improves, but the complexity of model generation and calibration increases

Engineering Contradiction:
Improveaccuracy of control optimizationVSAvoidmodel generation and calibration process
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces complex manual model generation and calibration processes with automated computational methods. The system uses processors to automatically generate computational models from data records, perform statistical analysis, and recalibrate parameters, thereby reducing the practical complexity of the process while achieving high accuracy in control optimization.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If inter-correlations between individual input parameters are addressed during model generation, then the simultaneous optimization of input parameter distribution is achieved, but the computational requirements and processing time increase

Engineering Contradiction:
Improvesimultaneous optimization capabilityVSAvoidmodel generation and optimization time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent performs preliminary actions by pre-generating computational models from historical data records and pre-calculating statistical distributions and inter-correlations. This preliminary model generation and calibration allows the system to achieve reliable simultaneous optimization of input parameters without incurring excessive computational delays during actual control operations, as the heavy computational work is done in advance.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS7565333B2Control system and method
Publication Date: 2009.07.21 CATERPILLAR INC
  • US7565333B2 patent drawing
  • US7565333B2 patent drawing
  • US7565333B2 patent drawing

AI summary

A method is provided for a control system. The method may include obtaining data records associated one or more input variables and one or more output parameters, and selecting one or more input parameters from the one or more input variables. The method may also include generating a computational model indicative of interrelationships between the one or more input parameters and the one or more output parameters based on the data records, and determining desired respective statistical distributions of the one or more input parameters of the computational model.