发明授权
US08876241B2 Transporting system, image forming system, and controller 有权
运输系统,成像系统和控制器

Transporting system, image forming system, and controller
摘要:
There is provided a transporting system including two rollers to transport a sheet, two driving devices to drive the rollers, two measuring devices, and a controller to control the transport. The controller includes two estimating units to estimate values R1 and R2 related to reaction forces act on the rollers, a first calculating unit to calculate a control input U1, a second calculating unit to calculate a control input U2 in accordance with a deviation between a target value and (R1−R2)/2, first and second drive controllers to input a control signal in accordance with U1 and U2 to the first and second driving devices, and a setting unit. In an initial stage of a period in which the sheet is transported by the two rollers, the setting unit sets the target value to a value greater than that of the target value after the initial stage.
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