Build & Test Prep
Table of Contents
Team Vision for Build & Test Prep Phase
Filling the Gap
This section describes design tasks that were completed at the start of MSD 2.
Engineering Requirements: Changes
In order to more fully prove that the customer requirements will be met, ER10 and ER11 were added to the engineering requirements. ER10 specifies a reliability for the connector mechanism. The requirement will the demonstration that the attachment between the RCS and Robofish should successful 97% of the time within 5 attempts. ER11 reflects a feasibility test that was conducted and will allow its accuracy to be proved.
Additionally, the wording of ER8 was adjusted to support a more feasible testing approach. The IP standards require calibrated equipment that is not available to us so an equivalent test will be performed in its place.
Mechanical Design: Changes & Additions
Electrical Design: Changes & Additions
Repairing the Robofish
A test plan was written that will be carried out upon the completion of the repairs to ensure that the Robofish Functions as intended
Test Plan Summary
The overall test plan for testing the final constructed RCS against the engineering requirements was drafted.
Subsystem Test PlansThe subsystem test plans will be utilized at the end of the subsystem build phase to ensure all subsystems perform as intended. These tests are not rigorous or conclusive, but are meant to act as a proof of concept before the integration stage commences.
Frame Assembly Check
Purpose: To confirm the integrity of the frame and ensure it will hold components as designed.
Preliminary Docking System Test
Purpose: To ensure the guide system adequately moves the Robofish into position for attachment.Download Test Plan
Preliminary Attachment Test
Purpose: To ensure the physical and electrical connection can be established between the RCS and the Robofish assuming the docking system functions properly.
Preliminary Buoyancy and Stability Test
Purpose: To demonstrate the top of the RCS floats remain above water when ~250 lbs of mass rests on them and to demonstrate that it can withstand 10 degrees of tilt.
Preliminary Waterproof Standard Test
Purpose: To ensure that the RCS Controls Box is waterproof, so that no electrical components are damaged by water.
RCS Side Circuit Test
Purpose: To demonstrate the RCS circuit performs all intended functions.
Robofish Side Circuit Test
Purpose: To demonstrate the Robofish circuit (From charging connector to buck converter) performs all intended functions.
RCS Arduino Control Test
Purpose: To demonstrate that the RCS software to control Robofish attachment behaves as expected.
Robofish Arduino Test
Purpose: To demonstrate that the Robofish software to manage charging performs as intended.
Risk and Problem Tracking
Issue Management: Waterproofing the Control Box
The control box that we inherited had several holes (large and small) cut through it. These holes compromise the water resistance of the control box and would cause us to not meet the engineering requirement for having a splash proof system. The following modifications will be made to waterproof the box:
- Design and fabricate plastic plates to cover the large holes then seal around the plates with RTV
- Seal the smaller holes with rubber corks and/or RTV
- Add a gasket around the lid to prevent water from splashing in underneath the rim (this modification would have to be made with a new box as well)
Plans for Next Phase
- Obtain all components needed for construction
- Complete the waterproofing of the control box
- Construct most major subsystems
- Perform subsystem test plans on some major subsystems