| 摘要 |
To provide a device that can stably and accurately estimate the roll angle of a vehicle body during various states of movement of the vehicle body. [Means for solving the problems] A roll angle estimate value calculation portion 14 calculates an estimate value of the roll angle by integrating a value obtained by correcting an estimate value of roll angle velocity of a vehicle body 101 by use of a correction value, or by correcting a value obtained by integrating an estimate value of roll angle velocity by use of a correction value. The correction value is calculated by use of a detection value of speed of the vehicle body 101 in the traveling direction, detection values of angular velocity and acceleration detected by sensors mounted on the vehicle body 101, a previous estimate value of the roll angle, and a previous estimate value of the pitch angle of the vehicle body 101. |
