Process model based virtual sensor and method
First Claim
1. A method for a virtual sensor system, comprising:
- establishing a virtual sensor process model indicative of interrelationships between a plurality of sensing parameters and a plurality of measured parameters;
obtaining a set of values corresponding to the plurality of measured parameters; and
calculating the values of the plurality of sensing parameters simultaneously based upon the set of values corresponding to the plurality of measured parameters and the virtual sensor process model.
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Abstract
A method is provided for a virtual sensor system. The method may include establishing a virtual sensor process model indicative of interrelationships between a plurality of sensing parameters and a plurality of measured parameters, and obtaining a set of values corresponding to the plurality of measured parameters. The method may also include calculating the values of the plurality of sensing parameters simultaneously based upon the set of values corresponding to the plurality of measured parameters and the virtual sensor process model, and providing the values of the plurality of sensing parameters to a control system.
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Citations
29 Claims
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1. A method for a virtual sensor system, comprising:
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establishing a virtual sensor process model indicative of interrelationships between a plurality of sensing parameters and a plurality of measured parameters;
obtaining a set of values corresponding to the plurality of measured parameters; and
calculating the values of the plurality of sensing parameters simultaneously based upon the set of values corresponding to the plurality of measured parameters and the virtual sensor process model. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A computer system for establishing a virtual sensor process model, comprising:
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a database configured to store information relevant to the virtual sensor process model; and
a processor configured to;
obtain data records associated with one or more input variables and the plurality of sensing parameters;
select the plurality of measured parameters from the one or more input variables;
generate a computational model indicative of interrelationships between the plurality of measured parameters and the plurality of sensing parameters;
determine desired statistical distributions of the plurality of measured parameters of the computational model; and
recalibrate the plurality of measured parameters based on the desired statistical distributions to define a desired input space. - View Dependent Claims (11, 12, 13)
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14. A work machine, comprising:
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a power source configured to provide power to the work machine;
a control system configured to control the power source; and
a virtual sensor system including a virtual sensor process model indicative of interrelationships between a plurality of sensing parameters and a plurality of measured parameters, the virtual sensor system being configured to;
obtain a set of values corresponding to the plurality of measured parameters;
calculate the values of the plurality of sensing parameters simultaneously based upon the set of values corresponding to the plurality of measured parameters and the virtual sensor process model; and
provide the values of the plurality of sensing parameters to the control system, wherein the control system control the power source based upon the values of the plurality of sensing parameters. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A computer-readable medium for use on a computer system configured to establish a virtual sensor process model, the computer-readable medium having computer-executable instructions for performing a method comprising:
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obtaining data records associated with one or more input variables and the plurality of sensing parameters;
selecting the plurality of measured parameters from the one or more input variables;
generating a computational model indicative of interrelationships between the plurality of measured parameters and the plurality of sensing parameters;
determining desired statistical distributions of the plurality of measured parameters of the computational model; and
recalibrating the plurality of measured parameters based on the desired statistical distributions to define a desired input space. - View Dependent Claims (27, 28, 29)
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Specification