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Simplified Aid for EVA Rescue (SAFER), Operations Manual, September 1994. NASA JSC-26283.

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High-Automation Proofs for Properties of Requirements Models - Di Vito (1999)   (1 citation)  (Correct)

....free flying mobility for a crew member engaged in extravehicular activity (EVA) SAFER is a single string system designed for contingency use only. The description that follows draws heavily on excerpts from Appendix C of the guidebook [15] which in turn was based on the SAFER Operations Manual [13] and the Prime Item Development Specification [12] The guidebook version of SAFER is a modified form of the real article, created to suit the pedagogical needs of a guidebook example. Although the SAFER application is modest in size, it nevertheless contains elements typical of control systems ....

Simplified Aid for EVA Rescue (SAFER), Operations Manual, September 1994. NASA JSC-26283.


High-Automation Proofs for Properties of Requirements Models - Di Vito (1999)   (1 citation)  (Correct)

....free flying mobility for a crew member engaged in extravehicular activity (EVA) SAFER is a single string system designed for contingency use only. The description that follows draws heavily on excerpts from Appendix C of the guidebook [13] which in turn was based on the SAFER Operations Manual [11] and the Prime Item Development Specification [10] 2.1 Concept of Operation SAFER fits around the Extravehicular Mobility Unit (EMU) primary life support subsystem backpack (Figure 1) SAFER uses 24 gaseous nitrogen (GN 2 ) thrusters to achieve six degree of freedom maneuvering control. Operation ....

Simplified Aid for EVA Rescue (SAFER), Operations Manual, September 1994. NASA JSC-26283.

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