| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely prevent a person to be cared from being slipped on a bed and prevent the person from feeling oppressiveness in the belly part and the breast part without depending on the subjectivity of a carer as an operator, and to reduce burdens on the both of the person to be cared and the carer when lifting up and down the back of an electric bed. <P>SOLUTION: In (α,β) coordinates defined by a back angleαand a knee angleβ, a pattern that connects between a coordinate point (0, 0) at which respective bottoms are horizontal and a coordinate point (α0,β0 ) which is a final reaching point for a back lift-up operation and at which the back bottom is lifted up by a plurality of points is set, an optimal pattern which provides less slipperiness and less oppressive feeling is acquired beforehand, and a control section moves the back bottom and the knee bottom along the optimal pattern. <P>COPYRIGHT: (C)2004,JPO</p> |
