Control apparatus for controlling a plant by using a delta-sigma modulation
First Claim
1. A control apparatus for controlling an object that is modeled using at least one model parameter, comprising:
- an identifier for identifying the model parameter;
a controller coupled to the identifier, the controller determining a reference input using the model parameter so that an output of the object converges to a desired value; and
a modulator coupled to the controller, the modulator applying any one of a delta-sigma modulation algorithm, a sigma-delta modulation algorithm and a delta modulation algorithm to the reference input to determine an input into the object, wherein the identifier identifies the model parameter based on the output of the object and the reference input.
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Abstract
A control apparatus for controlling an object that is modeled using at least one model parameter is provided. The control apparatus comprises an identifier, a controller and a modulator. The identifier identifies the model parameter. The controller is coupled to the identifier and uses the model parameter to determine a reference input so that an output of the object converges to a desired value. The modulator is coupled to the controller and applies any one of a delta-sigma modulation algorithm, a sigma-delta modulation algorithm and a delta modulation algorithm to the reference input to determine an input into the object. The model parameter is identified based on the output of the object and the reference input. Since the identifier determines the model parameter based on the reference input, the model parameters is prevented from vibrating.
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Citations
21 Claims
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1. A control apparatus for controlling an object that is modeled using at least one model parameter, comprising:
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an identifier for identifying the model parameter;
a controller coupled to the identifier, the controller determining a reference input using the model parameter so that an output of the object converges to a desired value; and
a modulator coupled to the controller, the modulator applying any one of a delta-sigma modulation algorithm, a sigma-delta modulation algorithm and a delta modulation algorithm to the reference input to determine an input into the object, wherein the identifier identifies the model parameter based on the output of the object and the reference input. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for controlling an object that is modeled using at least one model parameter, comprising the steps of:
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identifying the model parameter;
determining a reference input using the model parameter so that an output of the object converges to a desired value; and
applying any one of a delta-sigma modulation algorithm, a sigma-delta modulation algorithm and a delta modulation algorithm to the reference input to determine an input into the object, wherein the model parameter is identified based on the output of the object and the reference input. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An apparatus for controlling an object that is modeled using at least one model parameter, comprising:
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means for identifying the model parameter;
means for determining a reference input using the model parameter so that an output of the object converges to a desired value; and
means for applying any one of a delta-sigma modulation algorithm, a sigma-delta modulation algorithm and a delta modulation algorithm to the reference input to determine an input into the object, wherein the model parameter is identified based on the output of the object and the reference input. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification