McKeon, Beverley J. (2013) Control of aerodynamic forces by variable wetted surface morphology. Patent number: US8424809B2. https://resolver.caltech.edu/CaltechAUTHORS:20160223-153919542
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Abstract
Systems and methods for providing dynamic control to a vehicle in a dynamic fluid. The systems and methods of the invention relate to one or more morphable surfaces that can be controlled by a controller and an actuator in an active manner to provide asperities that interact with a fluid moving across the morphable surfaces. By controlling the size, shape and location of the asperities, one can exert control authority over the motion of the vehicle relative to the fluid, including a speed, a direction and an attitude of the vehicle. Examples of materials that provide suitable morphable surfaces include ionic polymer metal composites and shape memory polymers, both of which types of material are commercially available. Useful morphable surface systems have been examined and are described.
| Item Type: | Patent | |||||||||
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| Related Patents: | US8276851B2, US20120239231A1, US20090001222A1 | |||||||||
| Patent Classification: | Current U.S. Class: 244/204; 244/130; 296/181.5. Current CPC Class: B62D 35/00 (20130101); B62D 37/00 (20130101); B64C 21/10 (20130101); Y10T 137/8593 (20150401); Y02T 50/166 (20130101); Y10T 137/0318 (20150401). Current International Class: B64C 21/10 (20060101). | |||||||||
| Patent Assignee: | California Institute of Technology | |||||||||
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| Additional Information: | Publication number US8424809B2. Publication type Grant. Publication date April 23, 2013. Application number US 13/487,496. Filing date June 4, 2012. Priority date May 10, 2007. Government Interests: STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT. This invention was made with government support under Grant No. FA9550-08-1-0049 awarded by the Air Force (AFOSR). The government has certain rights in the invention. Parent Case Text: CROSS-REFERENCE TO RELATED APPLICATIONS. This application is a continuation of U.S. patent application Ser. No. 12/117,959 filed May 9, 2008, now U.S. Pat. No. 8,276,851, which claimed priority to and the benefit of U.S. provisional patent application Ser. No. 60/928,737, filed May 10, 2007, each of which applications is incorporated herein by reference in its entirety. This application is related to co-pending U.S. patent application Ser. No. 12/106,638, filed Apr. 21, 2008, which application is incorporated herein by reference in its entirety. | |||||||||
| Group: | GALCIT | |||||||||
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| Record Number: | CaltechAUTHORS:20160223-153919542 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160223-153919542 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 64692 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Katherine Johnson | |||||||||
| Deposited On: | 23 Feb 2016 23:49 | |||||||||
| Last Modified: | 03 Oct 2019 09:40 |
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