Linear conveyor device and method for controlling linear conveyor device
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorShunsuke AOKI
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Abstract
A linear conveyor device includes a first control driver configured to, when both a first mover and a second mover are located above a first controlled coil to which that first control driver is connected, perform a propulsive force reduction control to control a current in the first controlled coil so as to reduce a propulsive force that the first controlled coil applies to the first mover and the second mover.
Claims10
A linear conveyor device comprising:
- a first slider including a first mover;
- a second slider including a second mover;
- a stator including a plurality of coils arranged along a predetermined direction;
- and
- a plurality of control drivers each connected to a controlled coil among the plurality of coils to control a current in the controlled coil to which that control driver is connected to apply a propulsive force along the predetermined direction to the first mover and the second mover;
- wherein
- a first control driver of the plurality of control drivers is configured to, when both the first mover and the second mover are above a first controlled coil to which that first control driver is connected, perform a propulsive force reduction control to control a current in the first controlled coil so as to reduce the propulsive force that the first controlled coil applies to the first mover and the second mover.
A method for controlling a linear conveyor device, the linear conveyor device including a first slider including a first mover, a second slider including a second mover, a stator including a plurality of coils arranged along a predetermined direction, the method comprising:
- controlling a current in the plurality of coils to apply a propulsive force along the predetermined direction to the first mover and the second mover;
- and
- performing a propulsive force reduction control to control a current in a predetermined controlled coil of the plurality of coils so as to reduce the propulsive force that the predetermined controlled coil applies to the first mover and the second mover when both the first mover and the second mover are above the predetermined controlled coil.
Dependencies are inferred from the claim text.