XBase

xBase is the generic term for all programming languages that derive from the original dBASE (Ashton-Tate) programming language and database formats…

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2018

DYNAMIC AUTONOMOUS INTELLIGENT CONTROL OF AN ASTEROID LANDER

Blair BrownC. McInnes
2018
Corpus ID: 59522004

One of the future flagship missions of the European Space Agency (ESA) is the asteroid sample return mission Marco-Polo. Although…

2017

Adjustable Height Table Chassis

Trevor Watkins
2017
Corpus ID: 117350219

.......................................................................................................................................... 4 Introduction ..................................................................................................................................... 4 Motivation ................................................................................................................................... 4 Function Statement ..................................................................................................................... 4 Requirements .............................................................................................................................. 4 Success Criteria ........................................................................................................................... 4 Scope ........................................................................................................................................... 4 Final Success ............................................................................................................................... 5 Design and Analyses ....................................................................................................................... 6 Approach: Proposed Solution ..................................................................................................... 6 Benchmark .................................................................................................................................. 6 Performance Predictions ............................................................................................................. 7 Description of Analysis .............................................................................................................. 7 Scope of Testing and Evaluation ................................................................................................ 7 Analyses ...................................................................................................................................... 7 ACME Threads Analysis (Figure 4)......................................................................................................... 7 Leg Structure (Figures 8-16) .................................................................................................................. 8 Moment Equations (Figure 5) ............................................................................................................... 9 Column Buckling (Figures 7 & 8) ........................................................................................................... 9 Stress Concentrations ........................................................................................................................... 9 Device: Parts, Shapes and Conformation ................................................................................... 9 Ergonomics ................................................................................................................................. 9 Technical Risk Analysis, Failure Mode Analysis, and Safety Factors ..................................... 10 Methods and Construction ............................................................................................................ 10 Description ................................................................................................................................ 10 Sub-Assemblies ........................................................................................................................ 10 Table Rest (Figure 17) ......................................................................................................................... 10 Stand (Figure 16) ................................................................................................................................. 10 Feet (Figure 15) ................................................................................................................................... 10 Acme Locator (Figure 18) .................................................................................................................... 11 Assembly (Figure 18) ........................................................................................................................... 11 Manufacturing Issues ................................................................................................................ 11 Testing Method ............................................................................................................................. 1