Weekly Progress Reports (see sidebar), the Gantt chart, and this Project Management page should be printed out before meetings with the sponsor and instructor.
All team members should be able to explain all items on the progress report.
Place a "*" at the beginning of the title of the active week Progress Report (see * in sidebar).
Project Objectives
Concisely list and prioritize the project objectives and constraints
High Priority Objectives
The instrument’s “hearing” is compromised while the linear actuator (buoyancy control) is in motion. Our primary focus is to decrease the duty cycle of the motor to increase vertical position accuracy and decrease average recorded noise while also increasing the reliability of the system.
Second Priority Objectives
Decrease noise of motor,creating an overall quieter and more efficient linear actuator.
Maintain long battery life by not reducing storage capacity.
Other Constraints and Issues
Restricted to volume constraints of existing prototype (motor platform, buoyancy volume).
There is some bowing in the house at greater depths.
WOW Design Solution
An incredibly fast and reliable actuator with negligible noise that does not compromise battery capacity.
Risk Reduction Strategy
Motor
-Solidworks volume constraints
-Power demands and available motors
-Control Modeling
Analysis of necessary torque to maintain a maximum depth of 100m
Using depth vs pressure and solidworks one could determine our current power vs. necessary power
MATLAB model of descent speed based on change in piston’s movement speed and the corresponding change in buoyancy. This will be used to help determine the maximum motor speed desired.
Design Review with Sponsor and Scripps engineers. The team will come up with several solution concepts based on our research and present estimates of the cost to our sponsors. This is required before any fabrication can begin.
- Possible changes to existing motor and/or gear train.
- Introduce new material for sound damping
- Relocate sensors away from the motor mount (extra credit)
- Add support to the housing to prevent excessive bowing (extra credit)
Intermediate Milestones
Design Review Meeting with sponsors to go over our prepared solutions.
Come up with a family of potential solutions. Include tradeoffs/ cost/ benefits.
Prototypes of best idea.
Using lean engineering test the viability of our core new design
Eventually the sponsor will lend us an AUE to experiment with implementing our solution.
Testing of solution.
Individual Component Analysis Topics
Motor Resources (Myles)
Gear Ratio (Ilija)
Leadscrew (Devin)
Motor Mounting (Hurby)
Battery Capacity (Hannah)
Buoyancy Control Options (Austin)