A reaction compensated steerable platform device is disclosed. The reaction compensated steerable platform device can include a base, a steerable platform movably coupled to the base, and a reaction mass movably coupled to the base. The reaction compensated steerable platform device can also include
A reaction compensated steerable platform device is disclosed. The reaction compensated steerable platform device can include a base, a steerable platform movably coupled to the base, and a reaction mass movably coupled to the base. The reaction compensated steerable platform device can also include a primary actuator coupled to the steerable platform and the base to cause movement of the steerable platform. The reaction compensated steerable platform device can further include a secondary actuator coupled to the reaction mass and the base to cause movement of the reaction mass. In addition, the reaction compensated steerable platform device can also include a load sensor configured to provide feedback for actuation of the secondary actuator, such that the reaction mass moves to compensate for a load induced on a support structure by the movement of the steerable platform.
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1. A reaction compensated steerable platform device, comprising: a base;a steerable platform movably coupled to the base;a reaction mass movably coupled to the base;a primary actuator coupled to the steerable platform and the base to cause movement of the steerable platform;a secondary actuator coup
1. A reaction compensated steerable platform device, comprising: a base;a steerable platform movably coupled to the base;a reaction mass movably coupled to the base;a primary actuator coupled to the steerable platform and the base to cause movement of the steerable platform;a secondary actuator coupled to the reaction mass and the base to cause movement of the reaction mass; anda load sensor coupled to the base and configured to be disposed between the base and a support structure for the reaction compensated steerable platform device, the load sensor being operable to provide feedback for actuation of the secondary actuator, such that the reaction mass moves to compensate for a load induced on the support structure by the movement of the steerable platform. 2. The reaction compensated steerable platform device of claim 1, wherein the load sensor comprises at least one of a load cell and an accelerometer. 3. The reaction compensated steerable platform device of claim 1, wherein each of the couplings of the steerable platform and the reaction mass to the base facilitate relative movement in two rotational degrees of freedom. 4. The reaction compensated steerable platform device of claim 3, wherein each of the couplings of the steerable platform and the reaction mass to the base facilitate relative movement in a translational degree of freedom. 5. The reaction compensated steerable platform device of claim 1, wherein the primary actuator comprises at least three primary actuators. 6. The reaction compensated steerable platform device of claim 1, wherein the secondary actuator comprises at least three secondary actuators. 7. The reaction compensated steerable platform device of claim 1, wherein the steerable platform is movably coupled to the base by a flexure pivot, a bearing, a bushing, or a combination thereof. 8. The reaction compensated steerable platform device of claim 1, wherein the reaction mass is movably coupled to the base by a flexure pivot, a bearing, a bushing, or a combination thereof. 9. A reaction compensated steerable platform system, comprising: a support structure; anda reaction compensated steerable platform, having a base coupled to the support structure,a steerable platform movably coupled to the base,a reaction mass movably coupled to the base,a primary actuator coupled to the steerable platform and the base to cause movement of the steerable platform,a secondary actuator coupled to the reaction mass and the base to cause movement of the reaction mass, anda load sensor coupled to, and disposed between, the base and the support structure, the load sensor being operable to provide feedback for actuation of the secondary actuator, such that the reaction mass moves to compensate for a load induced on the support structure by the movement of the steerable platform. 10. The system of claim 9, wherein the support structure comprises a portion of a satellite. 11. The system of claim 9, wherein the load sensor comprises at least one of a load cell and an accelerometer. 12. The system of claim 9, wherein each of the couplings of the steerable platform and the reaction mass to the base facilitate relative movement in two rotational degrees of freedom. 13. The system of claim 12, wherein each of the couplings of the steerable platform and the reaction mass to the base facilitate relative movement in a translational degree of freedom. 14. The system of claim 9, wherein the primary actuator comprises at least three primary actuators. 15. The system of claim 9, wherein the steerable platform is movably coupled to the base by a flexure pivot, a bearing, a bushing, or a combination thereof. 16. A method for facilitating compensation of a reaction in a steerable platform device, comprising: obtaining a steerable platform device, having a base,a steerable platform movably coupled to the base,a reaction mass movably coupled to the base,a primary actuator coupled to the steerable platform and the base to cause movement of the steerable platform, anda secondary actuator coupled to the reaction mass and the base to cause movement of the reaction mass; andproviding a load sensor coupled to the base and configured to be disposed between the base and a support structure for the steerable platform device, the load sensor being operable to sense a load induced on the support structure by the movement of the steerable platform to provide feedback for actuation of the secondary actuator, such that the reaction mass moves to compensate for the load. 17. The method of claim 16, wherein the load sensor comprises at least one of a load cell and an accelerometer.
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이 특허에 인용된 특허 (5)
Lorell,Kenneth Roy; Aubrun,Jean No챘l, Actively-supported multi-degree of freedom steerable mirror apparatus and method.
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