| 摘要 |
PROBLEM TO BE SOLVED: To appropriately estimate the present state of a user.SOLUTION: A position estimation device 100 includes: a position estimation unit 6a for estimating a present position of a device main body through filtering by an H∞ filter to which information related to the displacement of the device main body is input; a regularity determination unit 6c for determining the regularity of the displacement of the device main body; and a parameter change unit 6d for changing a control parameter of the H∞ filter on the basis of the determined regularity of the displacement of the device main body.SELECTED DRAWING: Figure 1 |
