A robotic climbing platform has a chassis and a carriage adapted to support and move the chassis relative to a climbing surface. An adhesion mechanism provides an adhesion force between the climbing platform and the climbing surface. The adhesion mechanism has one or more suction pads adapted to ret
A robotic climbing platform has a chassis and a carriage adapted to support and move the chassis relative to a climbing surface. An adhesion mechanism provides an adhesion force between the climbing platform and the climbing surface. The adhesion mechanism has one or more suction pads adapted to retain an adhesion force between the climbing platform and the climbing surface during movement of the chassis relative to the climbing surface.
대표청구항▼
1. A robotic climbing platform comprising: a chassis and a carriage adapted to support and move the chassis relative to a climbing surface, the carriage comprising one or more wheels, rollers, or tracks adapted to contact the climbing surface, and a motor adapted to drive one or more wheels, rollers
1. A robotic climbing platform comprising: a chassis and a carriage adapted to support and move the chassis relative to a climbing surface, the carriage comprising one or more wheels, rollers, or tracks adapted to contact the climbing surface, and a motor adapted to drive one or more wheels, rollers, or tracks when energised, to move the chassis on the climbing surface, anda passive adhesion mechanism adapted to provide an adhesion force between the climbing platform and the climbing surface, the passive adhesion mechanism including:one or more suction pads adapted to retain an adhesion force between the climbing platform and the climbing surface during movement, andan actuator or actuators being arranged to: cause movement of one or more suction pads toward the climbing surface by application of a first force, such that the suction pad(s) contact the climbing surface and evacuate(s) gasses between the suction pad(s) and the climbing surface, and thencause movement of the suction pad(s) toward the chassis by application of a second force such that a sealed region of suction is achieved between the climbing surface and the suction pad or pads effective to attach the platform to the climbing surface while allowing sliding movement of the suction pad(s) on the climbing surface as the one or more wheels, rollers, or tracks and motor operate to move the platform on the climbing surface, and hold the platform attached to the climbing surface as the platform moves on the climbing surface. 2. The robotic climbing platform as claimed in claim 1, wherein the magnitude of the adhesion force is controllable by varying the magnitude of the second force. 3. The robotic climbing platform as claimed in claim 1, further comprising one or more sensors adapted to indicate adhesion between a suction pad and the climbing surface and output a signal representative of the adhesion. 4. The robotic climbing platform as claimed in claim 3, further comprising a control system configured to: receive the signal from one or more of the sensors adapted to indicate adhesion,output a signal to cause movement of the actuator or actuators, andcompare the indicated adhesion to one or more characteristics. 5. The robotic climbing platform as claimed in claim 4, wherein one said characteristic is a predetermined optimum adhesion indicated by one or more of: vacuum between the suction pad and the climbing surface,distance between the actuator and the climbing surface, andthe location of the seal. 6. The robotic climbing platform as claimed in claim 5, wherein the control system is further configured to output a signal to vary the second force such that the predetermined optimum desired adhesion force is achieved between the suction pad and the climbing surface. 7. The robotic climbing platform as claimed in claim 6, wherein the control system is further configured to perform a re-priming procedure when the indicated adhesion is less than a predetermined minimum desired adhesion, comprising the steps of: outputting a signal to cause the actuator or actuators to generate a first force to actuate the suction pad toward the climbing surface, outputting a signal to cause the actuator or actuators to generate a second force toward the chassis. 8. The robotic climbing platform as claimed in claim 1, wherein the carriage includes a plurality of wheels adapted to support the chassis from the climbing surface. 9. The robotic climbing platform as claimed in claim 1, wherein the carriage comprises one or more tracks comprising a belt wrapped around at least two rollers, the belt including an inner surface, an outer surface, a climbing surface contact portion and a return portion, and the one or more suction pads have a suction surface located adjacent the inner surface and the climbing surface contact portion of the belt. 10. The robotic climbing platform as claimed in claim 9, wherein the outer belt surface is deformable such that a region of adhesion force is created between the belt outer surface and the climbing surface, and the adhesion force is created between a suction pad and the inner belt surface. 11. The robotic climbing platform as claimed in claim 10, wherein the inner surface of the belt is adapted to allow the belt to slide past or over the suction cup whilst substantially retaining the adhesion force. 12. The robotic climbing platform as claimed in claim 10, wherein the outer surface of the belt is constructed of a material having a high friction coefficient such that the climbing surface is able to be gripped, and at least one of the inner surface of the belt or the suction pad is of a material having a low friction coefficient such that the suction pad may slide across the inner portion of the belt while retaining an adhesion force and the carriage includes at least one roller to support the return portion of the belt from the climbing surface contacting portion of the belt. 13. A robotic climbing platform as claimed in claim 1 comprising at least two said suction pads adapted to retain an adhesion force between the climbing platform and the climbing surface during movement, and an actuator or actuators adapted to cause said movement of the suction pads toward the climbing surface by application of a first force and movement of the suction pads toward the chassis by application of a second force such that a sealed region of suction is achieved between the climbing surface and the suction pad(s) effective to attach the platform to the climbing surface. 14. A robotic climbing platform as claimed in claim 1 comprising at least four said suction pads adapted to retain an adhesion force between the climbing platform and the climbing surface during movement, and an actuator or actuators adapted to cause said movement of the suction pads toward the climbing surface by application of a first force and movement of the suction pads toward the chassis by application of a second force such that a sealed region of suction is achieved between the climbing surface and the suction pad(s) effective to attach the platform to the climbing surface. 15. A robotic climbing platform as claimed in claim 13 comprising a first said actuator adapted to cause said movement of one of the suction pads and a second said actuator adapted to cause said movement of another of the suction pads. 16. A robotic climbing platform as claimed in claim 15 comprising a first said actuator adapted to cause said movement of one or more of the suction pads and a second said actuator adapted to cause said movement of another one or more of the suction pads. 17. A robotic climbing platform as claimed in claim 1, wherein the control system is further configured to perform a re-priming procedure at intervals, comprising the steps of: outputting a signal to cause the actuator to generate a first force to actuate the suction pad toward the climbing surface,outputting a signal to cause the actuator to generate a second force toward the chassis. 18. A robotic climbing platform as claimed in claim 15 comprising at least two said suction pads adapted to retain an adhesion force between the climbing platform and the climbing surface during movement, and an actuator or actuators adapted to cause said movement of the suction pads toward the climbing surface by application of a first force and movement of the suction pads toward the chassis by application of a second force such that a sealed region of suction is achieved between the climbing surface and the suction pad(s) effective to attach the chassis to the climbing surface, and wherein the control system is further configured to perform a re-priming procedure of one of the suction pads at a first time and a re-priming procedure of another of the suction pads at a second different time, the re-priming procedure comprising the steps of: outputting a signal to cause the actuator to generate a first force to actuate the suction pad toward the climbing surface,outputting a signal to cause the actuator to generate a second force toward the chassis. 19. A method of operating a robotic climbing platform comprising: providing a platform adapted to support a control system, the platform comprising:one or more wheels, rollers, or tracks adapted to contact the climbing surface, and a motor adapted to drive one or more wheels, rollers, or tracks when energised, to move the platform on the climbing surface, anda passive adhesion mechanism including at least one actuator connected to one or more suction pads adapted to retain an adhesion force between the climbing platform and the climbing surface during movement, andconfiguring a control system to perform the steps of: operating the actuator to generate a first force on a suction pad in the direction of a climbing surface such that the suction pad contacts the climbing surface and evacuates gasses between the suction pad and the climbing surface, andoperating the actuator to generate a second force on a suction pad away from the climbing surface such that a sealed region of suction is achieved between the climbing surface and the suction pad effective to attach the chassis to the climbing surface while allowing sliding movement of the suction pad on the climbing surface as the one or more wheels, rollers, or tracks and motor operate to move the chassis on the climbing surface, and hold the platform attached to the climbing surface as the platform moves on the climbing surface. 20. The method of operating a robotic climbing platform as claimed in claim 19, wherein configuring the control system further comprises the steps of: adapting one or more sensors to indicate adhesion between the suction pad and the climbing surface,receiving a signal from the one or more sensors indicative of adhesion,comparing the indicated adhesion to a predetermined adhesion, andoutputting a signal to cause movement of the actuator. 21. The method of operating a robotic climbing platform as claimed in claim 20, wherein a sensor to indicate adhesion is arranged to indicate adhesion by sensing predetermined optimum adhesion force indicated by one or more of: a vacuum between the suction pad and the climbing surface,a distance between the actuator and the climbing surface,a location of the seal, anda minimum adhesion force to retain the platform on the climbing surface. 22. The method of operating a robotic climbing platform as claimed in claim 21, wherein the control system is further configured to control a re-priming procedure comprising the steps of: determining adhesion force is less than a predetermined minimum desired adhesion force,outputting a signal to cause the actuator to generate a first force to actuate the suction pad toward the climbing surface, andoutputting a signal to cause the actuator to generate a second force to actuate the suction pad away from the climbing surface.
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이 특허에 인용된 특허 (18)
Castelain Yves (L\Isle Jourdain FRX) Jaubert Philippe (Cologne FRX) Peltier Ren (Colomiers FRX), Autonomous moving body for transporting a tool at a constant speed.
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