Vibration absorbing system of micro gravity rotating apparatus

A microgravitational rotating apparatus vibration control system, wherein said microgravitational rotating apparatus comprises:

• a casing;
• a rotary shaft provided within said casing, having both ends thereof supported by bearings and rotationally driven by a motor;
• a plurality of arms extending radially having first ends fitted to a circumferential periphery of said rotary shaft;
• and
• a rotator having a plurality of boxes fitted to other ends of said plurality of arms in which a gravitational or gravity-adding object can be placed;
• wherein vibration occurring in said rotator can be controlled by said bearings;
• said vibration control system further comprising:
• a plurality of side plates in each of said plurality of boxes fitted substantially parallel to side wall inner surfaces of said boxes;
• each of said side plates having a pressure sensor, a displacement sensor and an acceleration sensor;
• and
• a computing unit operable to receive signals of each said sensor from a load of the object on one of said side plates and operable to compute the mass of the object based on the signals.

A microgravitational rotating apparatus vibration control system, wherein said microgravitational rotating apparatus comprises:

• a casing;
• a rotary shaft provided within said casing, having both ends thereof supported by bearings and rotationally driven by a motor;
• a plurality of arms extending radially having first ends fitted to a circumferential periphery of said rotary shaft;
• a rotator having a plurality of boxes fitted to other ends of said plurality of arms in which a gravitational or gravity-adding object can be placed;
• wherein vibration occurring in said rotator can be controlled by said bearings;
• wherein at least one of said plurality of boxes is a cabin, laboratory, container or space factory;
• wherein each box of said plurality of boxes has a side plate fitted to one side wall inner surface of said box by a spring member having a displacement sensor, an acceleration sensor fitted to said side plate, a first position sensor operable to detect the object arriving at a position of said side plate, a second position sensor is arranged at a predetermined distance from said first position sensor and operable to detect passing of the object, and a push-out device on an opposite side from said side plate in said box and operable to push out the object toward said side plate;
• and
• wherein a computing unit is operable to receive signals of the arrival and passing of the object from said first and second positions sensors, signals from said acceleration sensor when the object collides with said side plate and signals from said displacement sensor of said spring member when the object collides with said side plate, and operable to compute the mass of the object based on the signals from said first and second position sensors, from said acceleration sensor and said displacement sensor.

A microgravitational rotating apparatus vibration control system, wherein said microgravitational rotating apparatus comprises:

• a casing;
• a rotary shaft provided within said casing, having both ends thereof supported by bearings and rotationally driven by a motor;
• a plurality of arms extending radially having first ends fitted to a circumferential periphery of said rotary shaft;
• a rotator having a plurality of boxes fitted to other ends of said plurality of arms in which a gravitational or gravity-adding object can be placed;
• wherein vibration occurring in said rotator can be controlled by said bearings;
• wherein at least one of said plurality of boxes is a cabin, laboratory, container or space factory;
• wherein each box of said plurality of boxes has a side plate fitted to one side wall inner surface of said box by a spring member having a displacement sensor, an acceleration sensor fitted to said side plate, a first position sensor operable to detect a human body as the object arriving at a position of said side plate, a second position sensor is arranged at a predetermined distance from said first position sensor and operable to detect passing of the human body, and a stand having a handrail on an opposite side from said side plate in said box by which the human body can jump toward said side plate;
• and
• wherein a computing unit is operable to receive signals of the arrival and passing of the human body from said first and second positions sensors, signals from said acceleration sensor when the human body collides with said side plate and signals from said displacement sensor of said spring member when the human body collides with said side plate, and operable to compute the mass of the human body based on the signals from said first and second position sensors, said acceleration sensor and said displacement sensor.

A microgravitational rotating apparatus vibration control system, wherein said microgravitational rotating apparatus comprises:

• a casing;
• a rotary shaft provided within said casing, having both ends thereof supported by bearings and rotationally driven by a motor;
• a plurality of arms extending radially having first ends fitted to a circumferential periphery of said rotary shaft;
• a rotator having a plurality of boxes fitted to other ends of said plurality of arms in which a gravitational or gravity-adding object can be placed;
• wherein vibration occurring in said rotator can be controlled by said bearings;
• wherein said vibration control system further comprises:
• a plurality of acceleration sensors fitted to predetermined measuring points of said rotator;
• a counterweight arranged on each of said plurality of boxes so as to be movable in a direction along an axis of said rotary shaft;
• a drive means for driving said counterweight;
• and
• a control unit operable to receive signals detected by each of said acceleration sensors to detect imbalance amounts in acceleration caused during rotation between each of said plurality of boxes and operable to control said drive means to adjust a position of said counterweight to resolve the imbalance amounts and control vibration.

A microgravitational rotating apparatus vibration control system, wherein said microgravitational rotating apparatus comprises:

• a casing;
• a rotary shaft provided within said casing, having both ends thereof supported by bearings and rotationally driven by a motor;
• a plurality of arms extending radially having first ends fitted to a circumferential periphery of said rotary shaft;
• a rotator having a plurality of boxes fitted to other ends of said plurality of arms in which a gravitational or gravity-adding object can be placed;
• wherein vibration occurring in said rotator can be controlled by said bearings;
• wherein said vibration control system comprises:
• a plurality of acceleration sensors fitted to measuring points of said rotator;
• a vibration generator fitted to a position on each of said plurality of boxes;
• and
• a control unit operable to receive signals detected by said plurality of acceleration sensors, detect imbalance amounts in acceleration caused between each of said plurality of boxes during rotation, and control said vibration generator so as to enable vibration control by resolving the imbalance amounts.

A microgravitational rotating apparatus vibration control system, wherein said microgravitational rotating apparatus comprises:

• a casing;
• a rotary shaft provided within said casing, having both ends thereof supported by bearings and rotationally driven by a motor;
• a rotator that rotates together with said rotary shaft and has a plurality of boxes in which a gravitational or gravity-adding object can be placed;
• wherein vibration occurring in said rotator can be controlled by said bearings;
• wherein said vibration control system further comprises:
• a plurality of acceleration sensors fitted to predetermined measuring points of said rotator;
• a counterweight arranged on each of said plurality of boxes so as to be movable in a direction along an axis of said rotary shaft;
• a drive means for driving said counterweight;
• and
• a control unit operable to receive signals detected by each of said acceleration sensors to detect imbalance amounts in acceleration caused during rotation between each of said plurality of boxes and operable to control said drive means to adjust a position of said counterweight to resolve the imbalance amounts and control vibration.

A microgravitational rotating apparatus vibration control system, wherein said microgravitational rotating apparatus comprises:

• a casing;
• a rotary shaft provided within said casing, having both ends thereof supported by bearings and rotationally driven by a motor;
• a plurality of arms extending radially having first ends fitted to a circumferential periphery of said rotary shaft;
• a rotator having a plurality of boxes fitted to other ends of said plurality of arms in which a gravitational or gravity-adding object can be placed;
• wherein vibration occurring in said rotator can be controlled by said bearings;
• wherein said plural ity of arms comprise a plurality of hol low shaped supporting structures;
• and
• wherein said vibration control system further comprises:
• an acceleration sensor, operable to detect accelerations in 1 to 3 dimensional directions, fitted to each of said plurality of boxes;
• a counterweight movable in a longitudinal direction in each of said plurality of supporting structures;
• a drive means for driving said counterweight in each of said plurality of supporting structures;
• and
• a control unit operable to receive signals detected by each said acceleration sensor to detect vibration of said plurality of boxes, select a said counterweight of one of said supporting structures corresponding to one of said plurality of boxes that is causing vibration, and control said drive means corresponding to the said counterweight so as to move the said counterweight in a direction reverse to the vibration so as to reduce the vibration.