Sheet transport apparatus and image forming system
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United States of America Patent
Stats
-
Aug 18, 2015
Grant Date -
Apr 2, 2015
app pub date -
Jun 3, 2014
filing date -
Sep 30, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sheet transport apparatus includes: a first motor and a second motor; a first roller configured to: rotate upon receiving motive power from the first motor; and transport a sheet in a predetermined transport direction; a second roller which is provided on a downstream side of the first roller in the transport direction and which is configured to: rotate upon receiving motive power from the second motor while nipping the sheet transported by the first roller at a nip position; and transport the sheet further downstream in the transport direction; and a controller. The controller includes a motor control unit configured to perform a first process for rotating the first roller and a second process for rotating the second roller; and a first reaction-force estimating observer configured to calculate a first estimated value which is an estimated value of a reaction force acting on the first motor.
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