Inter Roller Conveyance Control Device

Abstract: In order to obtain a device (1) for controlling conveyance between rollers that does not require time to search for an appropriate control gain and that makes it possible to achieve good response performance with respect to tension control even when a conveyance condition is changed a device (1) for controlling conveyance between rollers that conveys a conveyed material (11) between a speed axis roll (15) that is driven by a speed axis motor (14) and a tension axis roll (13) that is driven by a tension axis motor (12) while applying tension to said conveyed material (11) is provided with a gain table (29) in which a plurality of sets of the following are stored: a conveyance condition variable that varies while the conveyed material (11) is being conveyed and thereby affects the appropriate value of a control parameter; and a control parameter candidate value that is an appropriate control parameter. When the conveyance condition variable is changed calculation is performed on the basis of the conveyance condition variable and the gain calculation result. When the calculation is completed a control parameter candidate value and a conveyance condition variable are associated and written in the gain table (29).

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