[특허]Attitude control for a high-altitude balloon

Google Inc.

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특허 상세정보

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Attitude control for a high-altitude balloon

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64B-001/58
출원번호	US-0071396 (2013-11-04)
등록번호	US-9254906 (2016-02-09)
발명자 / 주소	Behroozi, Cyrus Brin, Sergey Staaf, Anton Valdemar
출원인 / 주소	Google Inc.
대리인 / 주소	McDonnell Boehnen Hulbert & Berghoff LLP
인용정보	피인용 횟수 : 5 인용 특허 : 2

초록
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A high-altitude balloon is provided that may use at least one conductive coil to facilitate attitude control of the balloon. The balloon may include an envelope, a conductive coil, and a control system. The conductive coil may be operatively coupled to the envelope, and the control system may be configured to perform functions. The functions may include determining a measure of rotation with respect to a predetermined orientation of the balloon. The functions may additionally include causing a current to be applied to the conductive coil in a manner such...

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1. A balloon comprising: an envelope;a conductive coil operatively coupled to the envelope; anda control system configured to perform functions comprising: determining a measure of rotation of the balloon with respect to a predetermined orientation of the balloon; andcausing a current to be applied to the conductive coil in a manner such that torque is applied to the envelope that counteracts the measure of rotation and substantially returns the balloon to the predetermined orientation. 2. The balloon of claim 1, wherein the conductive coil is operatively coupled to the envelope in a manner that the conductive coil substantially extends along a perimeter of the envelope. 3. The balloon of claim 1, wherein the envelope comprises a plurality of gore sections,wherein respective gore sections of the plurality of gore sections comprise two edges, andwherein the conductive coil is coupled to an edge of the two edges of a respective gore section of the plurality of gore sections in a manner such that the conductive coil is rigidly connected and adjacent to the edge of the respective gore section. 4. The balloon of claim 1, wherein the conductive coil comprises a copper wire. 5. The balloon of claim 1, wherein the conductive coil comprises an aluminum film. 6. The balloon of claim 1, further comprising: a second conductive coil, wherein the second conductive coil is perpendicular to the conductive coil and operatively coupled to the envelope. 7. The balloon of claim 6, wherein the envelope comprises a plurality of gore sections,wherein respective gore sections of the plurality of gore sections comprise two edges,wherein the conductive coil is coupled to an edge of the two edges of a first respective gore section of the plurality of gore sections in a manner such that the conductive coil is rigidly connected and adjacent to the edge of the respective gore section, andwherein the second conductive coil is coupled to a second respective gore section of the plurality of gore sections in a manner such that the second conductive coil is perpendicular to the second respective gore section of the plurality of gore sections. 8. The balloon of claim 6, wherein the control system is further configured to perform functions comprising: causing a second current to be applied to the second conductive coil such that second torque is applied to the envelope in a manner that counteracts the measure of rotation and substantially returns the balloon to the predetermined orientation. 9. The balloon of claim 8, wherein the control system is further configured to perform functions comprising: alternating the current applied to the conductive coil and the second current applied to the second conductive coil. 10. A method comprising: determining a measure of rotation of a balloon comprising an envelope and a conductive coil operatively coupled to the envelope, wherein the balloon has a predetermined orientation; andcausing a current to be applied to the conductive coil in a manner such that torque is applied to the envelope that counteracts the measure of rotation and substantially returns the balloon to the predetermined orientation. 11. The method of claim 10, wherein the balloon comprises a second conductive coil, andwherein the second conductive coil is perpendicular to the conductive coil and operatively coupled to the envelope. 12. The method of claim 10, further comprising: causing a second current to be applied to the second conductive coil such that second torque is applied to the envelope in a manner that counteracts the measure of rotation and substantially returns the balloon to the predetermined orientation. 13. The method of claim 10, further comprising alternating the current applied to the conductive coil with the second current applied to the second conductive coil. 14. A system comprising: a balloon comprising an envelope;a conductive coil, wherein the conductive coil is operatively coupled to the envelope and substantially extends along a perimeter of the envelope; anda control system configured to perform functions comprising: determining a measure of rotation of the balloon with respect to a predetermined orientation of the balloon; andcausing a current to be applied to the conductive coil in a manner such that torque is applied to the envelope that counteracts the measure of rotation and substantially returns the balloon to the predetermined orientation. 15. The system of claim 14, wherein the envelope comprises a plurality of gore sections,wherein respective gore sections of the plurality of gore sections comprise two edges, andwherein the conductive coil is coupled to an edge of the two edges of a respective gore section of the plurality of gore sections in a manner such that the conductive coil is rigidly connected and adjacent to the edge of the respective gore section. 16. The system of claim 14, further comprising a second conductive coil, wherein the second conductive coil is perpendicular to the conductive coil and operatively coupled to the envelope. 17. The system of claim 16, wherein the envelope comprises a plurality of gore sections,wherein respective gore sections of the plurality of gore sections comprise two edges,wherein the conductive coil is coupled to an edge of the two edges of a first respective gore section of the plurality of gore sections in a manner such that the conductive coil is rigidly connected and adjacent to the edge of the respective gore section, andwherein the second conductive coil is coupled to a second respective gore section of the plurality of gore sections in a manner such that the second conductive coil is perpendicular to the second respective gore section of the plurality of gore sections. 18. The system of claim 16, wherein the control system is further configured to perform functions comprising: causing a second current to be applied to the second conductive coil such that second torque is applied to the envelope in a manner that counteracts the measure of rotation and substantially returns the balloon to the predetermined orientation. 19. The system of claim 18, wherein the control system is further configured to perform functions comprising: alternating the current applied to the conductive coil and the second current applied to the second conductive coil. 20. The system of claim 14, wherein the conductive coil comprises at least one of a copper wire or an aluminum film.

이 특허에 인용된 특허 (2)

이 특허를 인용한 특허 피인용횟수: 5

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Attitude control for a high-altitude balloon

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Attitude control for a high-altitude balloon

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이 특허에 인용된 특허 (2)

이 특허를 인용한 특허 피인용횟수: 5

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