| 摘要 |
PURPOSE:To improve ability for blocking the passage of a person without ticket and to improve safety when colliding a door by controlling the revolving force of a motor and the frictional power of a friction clutch based on fuzzy inference. CONSTITUTION:An arm 5 linked to the door is fixed through bevel gears 6a and 6b to the upper end part of a driving shaft 7 revolved by a motor M, and the driving shaft 7 is provided with an electromagnetic friction clutch 8. The electromagnetic friction clutch 8 increases/decreased power for an electromagnet part 8c to attract a spline bearing part 8b corresponding to the change of the amount of electrification to a coil 8a of the electromagnet part 8c. On the other hand, a fuzzy inference engine 13 is connected to a CPU 12 for controlling these parts, a fuzzy table 20 is housed, and the motor M and the friction clutch 8 are controlled by the output circuit 14. When the door is pushed and opened by any person with no ticket, the closing strength and re-closing strength of the door is controlled by the frictional power of the friction clutch 8 and the revolving force of the motor M calculated from the speed and position of the person with no ticket and the turning angle of the door by the fuzzy inference. |
