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Centralized loom control method with optimization of operating speed
| Details |
Inventors: Sainen, Tsutomu;
Assignee: Tsudakoma Corp. (Ishikawa, JP)
Primary Examiner: Smith; Jerry
Assistant Examiner: Kulbaski; James J.
Attorney, Agent or Firm: Wenderoth, Lind & Ponack
A centralized loom control method employing a host computer for controlling the operation of a plurality of looms. Data base including data accumulated by recording past actual weaving conditions in stored in a memory device connected to the host computer. The host computer determines standard set value for which the looms are to be set by processing the specifications of a fabric to be woven entered therein and data fetched from the memory device through predetermined calculation or interpolation. The host computer compares a standard operating speed among the standard set values with a target operating speed at which the loom is to be operated, and changes the standard set values according to the result of comparison to provide new standard set values suitable for operation at the target operating speed. |
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DETAILED DESCRIPTION Accordingly, it is an object of the present invention to provide a centralized loom control method eliminating the drawbacks of the prior art and capable of properly correcting the standard weaving conditions decided on the basis of data of the past weaving conditions.
In one aspect of the present invention, data accumulated in the past is stored in a memory device incorporated into a host computer for controlling a plurality of looms, standard set values are, divided by processing the data fetched from the memory device and data representing the specifications of a fabric through a predetermined operation or an interpolative operation, and a standard operating speed and a previously entered target operating speed are compared to decide new standard set values suitable for operation at the target operating speed.
Then, data obtained by monitoring the operation of the loom controlled on the basis of the new standard set values and a plurality of standard values for the optimum control of the loom are compared in order of priority of the standard values, and then the standard set values are corrected on the basis of the result of comparison.
In accordance with the present invention, upon the reception of the specifications of a fabric, the host computer decides standard set values automatically with reference to a large amount data obtained through the measurement of the past actual operating condition of looms, the looms are set for the standard set values, and then the host computer controls the looms collectively.
Thus, the present invention omits the test weaving procedure and improves the efficiency of the looms.
Particularly, since standard set values suitable for operation at a target operating speed stored previously in the host computer are decided, the standard set values are corrected to provide new standard set values and the loom is set for the new standard set values, the loom is not set for an operating speed excessively lower than the possible operating speed of the loom
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