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US 12,710,729 B2Granted
Process controller having adjustable parameters
AssigneeEurotherm Limited
InventorSamuel Roberts
Life of this patent
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Abstract
Automatically generating a compensation factor for adjusting an operating parameter such that a measured carbon potential, dew point, or other controlled parameter matches the controller's set point value by inputting the measured parameter directly to the controller.
Claims18
A method of operating an endothermic gas generator, comprising:
- measuring a dew point of gas within the generator;
- providing the measured dew point to a controller, the controller coupled to the generator and configured to control one or more operating parameters of the generator based on a dew point set point;
- generating, by the controller, a compensation factor based on the measured dew point;
- transforming a numerical equation for calculating the compensation factor into a homogeneous form;
- initializing the transformed equation based on a set of initial values;
- after the transforming, iteratively solving the transformed equation to determine a value of the compensation factor that minimizes a difference between a set point value of at least one of one or more the operating parameters and a measured value of the at least one of the operating parameters;
- adjusting at least one of the one or more operating parameters based on the compensation factor such that the measured dew point and the dew point set point are equal;
- and
- controlling the operation of the endothermic gas generator based on the adjustment to the at least one of the one or more operating parameters.
6 more elements
A system for operating an endothermic gas generator, comprising:
- a probe coupled to the generator configured to measure a dew point of gas within the generator;
- and
- a controller coupled to the generator, the controller having a processor configured to:
- receive the measured dew point;
- control one or more operating parameters of the generator based on a dew point set point;
- generate a compensation factor based on the measured dew point;
- transform a numerical equation for calculating the compensation factor into a homogeneous form;
- initialize the transformed equation based on a set of initial values;
- after the transforming, iteratively solve the transformed equation to determine a value of the compensation factor that minimizes a difference between a set point value of at least one of one or more the operating parameters and a measured value of the at least one of the operating parameters;
- adjust at least one of the one or more operating parameters based on the compensation factor such that the measured dew point and the dew point set point are equal;
- and
- control the operation of the endothermic gas generator based on the adjustment to the at least one of the one or more operating parameters.
9 more elements
Dependencies are inferred from the claim text.