Developments to Increase the Performance, Operational Versatility and Automation of a Lunar Surface Manipulation System

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Developments to Increase the Performance, Operational Versatility and Automation of a Lunar Surface Manipulation System

Dorsey, John T. / Jones, Thomas C. / Doggett, William R. / Roithmayr, Carlos M. / King, Bruce D. / Mikulas, Marting M.

The objective of this paper is to describe and summarize the results of the development efforts for the Lunar Surface Manipulation System (LSMS) with respect to increasing the performance, operational versatility, and automation. Three primary areas of development are covered, including; the expansion of the operational envelope and versatility of the current LSMS test-bed, the design of a second generation LSMS, and the development of automation and remote control capability. The first generation LSMS, which has been designed, built, and tested both in lab and field settings, is shown to have increased range of motion and operational versatility. Features such as fork lift mode, side grappling of payloads, digging and positioning of lunar regolith, and a variety of special end effectors are described. LSMS operational viability depends on bei nagble to reposition its base from an initial position on the lander to a mobility chassis or fixed locations around the lunar outpost. Preliminary concepts are presented for the second generation LSMS design, which will perform this self-offload capability. Incorporating design improvements, the second generation will have longer reach and three times the payload capability, yet it will have approximately equivalent mass to the first generation. Lastly, this paper covers improvements being made to the control system of the LSMS test-bed, which is currently operated using joint velocity control with visual cues. These improvements include joint angle sensors, inverse kinematics, and automated controls.

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Title :

Developments to Increase the Performance, Operational Versatility and Automation of a Lunar Surface Manipulation System

Contributors:

Dorsey, John T. (author) / Jones, Thomas C. (author) / Doggett, William R. (author) / Roithmayr, Carlos M. (author) / King, Bruce D. (author) / Mikulas, Marting M. (author)

Conference:

AIAA Space 2009 Conference and Exposition ; 2009 ; Pasadena, CA, United States

Publication date :

2009-09-14

Type of media :

Conference paper

Type of material :

No indication

Language :

English

Keywords :

Lunar And Planetary Science And Exploration