anushka kalicharan brian benner jacob manley final review...
TRANSCRIPT
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Final ReviewP14474
Kyle AbbottBrian Benner
Anushka KalicharanJacob ManleyMitch Sedore
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Agenda
● Project Overview ● Customer Needs ● Engineering Requirements● Project Status● Schedule● Budget● Unresolved Issues● Suggestions
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Project Overview
The current hydrostatic test apparatus is manually controlled and needs to be redesigned so that the test can run automatically using a digital interface. The pressure, ramp rate, and hold time are all automatically controlled within the system so that an electrical enclosure can be
tested up to 10,000 psi, safely.
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Customer Needs
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Engineering Requirements
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System Architecture
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Selected Concept
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Selected Concept
New System Components•Needle Valve•Stepper Motor and Encoder•Ball screw•Manifold with Pipes•Pressure Transducers•Enclosure•NI-cRIO-9075
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System Automation
● Pressure Feedback from transducers.● Control effort generated via PID controller.● Control effort dictates stepper motor clock
duty cycle and direction.● Finite state machine used to program DAQ.
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Product
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Controller Graphical User Interface
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Project Status
● Currently a majority of the system is at Cooper Crouse-Hinds waiting to be installed.
● Electrical system is waiting on the completion of the piping install and the O.K. from Cooper.
● Controller software is fully programed and ready for onsite testing.
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Schedule
Project Delays1. Ordered the wrong motor (too large, missing a second shaft for encoder) - 1 WEEK
2. Valve took 11 weeks to arrive instead of 10 - 1 WEEK
3. Valve was linearly actuated, not rotationally- 2 WEEKS
4. Connecting DAQ to lab computer- 2 WEEKS
5. DAQ programming delays/problems/seeking help- 2 WEEKS
6. Installation at Cooper- Delivered System structure 5/1/14
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BudgetBudget = $6,000
Key Components = $3,975.69Hardware = $1,202.32
Travel Expenses = $100.00
Total Spent = $5278.01
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Unresolved IssuesOutstanding Items:
● Deliver Electrical System with Procedural and Maintenance Manual
● Install motor/gearbox to ballscrew assembly
● Install door on enclosure
● Run tests to qualify our system’s requirements
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Suggestions
Manifold-different materialAutomatic control valves for transducersMove Transducers to better location
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Questions?