| 摘要 |
PURPOSE:To improve the running stability at the time of straight advance by suppressing a rotation of a front wheel to the maximum, and suppressing a drift of the front wheel at the time of straight advance. CONSTITUTION:A control part 2 discriminates whether a straight advance command is executed or not by output signals S1, S2 of right and left access signal processing circuits 22R, 22L. Subsequently, in the case it is decided to be a straight advance, in the case this time exceeds a prescribed time, each magnet coil for constituting front wheel rotation suppressing means 1R, 1L is turned on by the control part 2. Next, a suction plate is pressed against a magnet 4 and by frictional force generated between both of them, a fork part 31 of a front wheel 30 rotates. That is, a rotation of the front wheel 30 is suppressed. Therefore, a drift of the rotation at the time of straight advance can be suppressed, and the running stability at the time of straight advance can be improved. |
