Rolled material cooling control apparatus, rolled material cooling control method, and rolled material cooling control program
First Claim
1. A rolling material cooling control apparatus comprising:
- a detail thermal model memory having stored detail thermal models each comprising a mathematical formula using parameters describing a temperature variation of a rolling material in a prescribed cooling interval;
an influence coefficient calculator configured to take a detail thermal model stored in the detail thermal model memory as a basis to calculate an influence coefficient as necessary for a control of temperature variation of the rolling material;
a simple cooling pattern calculator configured to take the influence coefficient calculated by the influence coefficient calculator as a basis to make calculation of a simple cooling pattern in a simplified form of a preferable detail cooling pattern being necessary for the rolling material to have a preferable material quality;
a detail cooling pattern calculator configured to take a combination of the simple cooling pattern given by calculation at the simple cooling pattern calculator and the detail thermal model stored in the detail thermal model memory as a basis to make calculation of a detail cooling pattern of the rolling material in the prescribed cooling interval; and
a cooling controller configured to take the detail cooling pattern given by calculation at the detail cooling pattern calculator as a basis to control a cooling of the rolling material.
1 Assignment
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Accused Products
Abstract
A detail thermal model memory has stored detail thermal models each including a mathematical formula using parameters describing a temperature variation of a rolling material in a prescribed cooling interval, an influence coefficient calculator calculate an influence coefficient as necessary for a control of temperature variation of the rolling material, a simple cooling pattern calculator calculate a simple cooling pattern in a simplified form of a preferable detail cooling pattern being necessary for the rolling material to have a preferable material quality, strength, or ductility, a detail cooling pattern calculator calculate a detail cooling pattern of the rolling material in the prescribed cooling interval, and a cooling controller takes the detail cooling pattern as a basis to control a cooling of the rolling material.
1 Citation
8 Claims
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1. A rolling material cooling control apparatus comprising:
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a detail thermal model memory having stored detail thermal models each comprising a mathematical formula using parameters describing a temperature variation of a rolling material in a prescribed cooling interval; an influence coefficient calculator configured to take a detail thermal model stored in the detail thermal model memory as a basis to calculate an influence coefficient as necessary for a control of temperature variation of the rolling material; a simple cooling pattern calculator configured to take the influence coefficient calculated by the influence coefficient calculator as a basis to make calculation of a simple cooling pattern in a simplified form of a preferable detail cooling pattern being necessary for the rolling material to have a preferable material quality; a detail cooling pattern calculator configured to take a combination of the simple cooling pattern given by calculation at the simple cooling pattern calculator and the detail thermal model stored in the detail thermal model memory as a basis to make calculation of a detail cooling pattern of the rolling material in the prescribed cooling interval; and a cooling controller configured to take the detail cooling pattern given by calculation at the detail cooling pattern calculator as a basis to control a cooling of the rolling material. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A rolling material cooling control method for rolling materials, comprising:
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a step of calculating an influence coefficient as necessary for a control of temperature variation of a rolling material based on a detail thermal model using a mathematical formula describing a temperature variation of the rolling material in a prescribed cooling interval provided to cool the rolling material; a step of taking the calculated influence coefficient as a basis to calculate a simple cooling pattern in a simplified form of a preferable detail cooling pattern being necessary for the rolling material to have a preferable material quality; a step of taking a combination of the calculated simple cooling pattern and the detail thermal model as a basis to calculate a detail cooling pattern of the rolling material in the prescribed cooling interval; and a step of taking the calculated detail cooling pattern as a basis to control a cooling of the rolling material.
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8. A rolling material cooling control program for rolling materials stored on a non-transitory computer-readable storage medium, comprising, for a computer adapted to execute:
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a step of calculating an influence coefficient as necessary for a control of temperature variation of a rolling material based on a detail thermal model using a mathematical formula describing a temperature variation of the rolling material in a prescribed cooling interval provided to cool the rolling material; a step of taking the calculated influence coefficient as a basis to calculate a simple cooling pattern in a simplified form of a preferable detail cooling pattern being necessary for the rolling material to have a preferable material quality; a step of taking a combination of the calculated simple cooling pattern and the detail thermal model as a basis to calculate a detail cooling pattern of the rolling material in the prescribed cooling interval; and a step of taking the calculated detail cooling pattern as a basis to control a cooling of the rolling material.
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Specification