156B Week 5
Overview of Status of Analysis, Design, Fabrication, Tests, etc.
Nuts and bolts added to design assembly.
Dynamic analysis attempted on simplified assembly for reaction forces.
Updated BOM for all arm components.
Accomplishments from Previous Week
Performed FEA on simplified model for reaction forces.
Performed hand calculations for bending stresses.
Updated BOM for all arm components.
Added nuts and bolts to design assembly.
Pitched and prepared torso design.
Goals for Next Week (list names after each item). Use specific and measurable objectives.
Perform accurate modal analysis (Selina).
Complete hand derivations for modal analysis (Zach).
Finalize torso design (Robert).
Update current assembly to incorporate torso design (Allysa).
Finalize BOM to include torso components (Robert).
Send out orders by the end of the week (Allysa).
Confirm that Arduino works (Allysa).
Sponsor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)
Appreciated presentation on analysis, calculations, and design on 4/29/19.
Provided approaches for modal analysis and calculations on 4/29/19.
Discussed shaft, gear, and pulley options for torso design on 4/29/19.
Reminded team to keep in mind the wiring and coding for this project, and sent aids to get started on 4/29/19.
Sponsor would like to continue analysis on structure on 4/29/19.
Instructor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)
Provided feedback on presentation regarding how to present calculations and analysis on 4/30/19.
Discussed possibilities of torso design and future tasks on 4/30/19.
Offered help with hand calculations and modal analysis at natural frequency of the entire arm.
Comments from Other Students in the Class (indicate date of comments and if via email or in person)
N/A
Risks and Areas of Concern
Purchasing components.
Incorporating torso design such that it efficiently rotates with minimal vibration.
Resources or Information Required but not Available
How to derive modal behavior for first mode.
Schedule
Start purchasing materials.
Update Gantt chart.
Budget (list amount spent and amount remaining)
Progress on Report and Webpage
Webpage in progress.
Report on schedule to be 50% completed.