[굿아이디어] 유람선에 설치된 자동 수평 유지 당구대

바다를 떠다니는 유람선 상에서 어떻게 당구를 칠까?
배가 파도에 흔들리기 때문에 당구대 위의 당구공이 이리저리 쏠려 다닐 것이다.
그런데 그런 문제를 해결한 자이로스코프로 스스로 수평을 유지하는 당구대가 있다.




이에 대한 특허자료를 찾아보았다.

 미국 특허 제 5,822,813호 "Motion compensated apparatus"

 

A motion compensated apparatus that can be used as a sleeping platform, stabilizer. The discomfort and danger of a moving surface associated with a ship at sea is well known. The motion of such a surface causes considerable distress in humans and animals.
Servos can expand and contract to position the upper portion of the assembly at various angles with respect to the lower portion and to cancel accelerations caused by pitching and rolling.
The servos can be controlled by a control system that is driven by a set of motion sensors or a gyro.
The sensors or gyro sense the instantaneous position of the deck with respect to an absolute level virtual reference plane.
The control system continuously adjusts the apparatus to remain parallel to the absolute level plane. The system contains a quick enough response to track the fast motion encountered on a ship to yield a smooth and comfortable ride according to control system principles.
The sensors may comprise accelerometers, gyros, ring gyros, or other methods of sensing the deviation of the deck or platform from a reference level plane.