Multidisciplinary Engineering Senior Design 06421 Automated Plasma Generator
- Slides: 23
Multidisciplinary Engineering Senior Design 06421 Automated Plasma Generator Test System Preliminary Design Review 11/11/05 Project Sponsor: MKS, ENI Incorporated Team Members: John Dullea Christine Kuss Megan Suflita Team Mentor: Dr. Ferat Sahin Acknowledgements: Dr. Paul Steibitz, Advisor Kate Gleason College of Engineering Rochester Institute of Technology
Project Background n n n Narrow band HF RF amplifier Parallel devices with controller Subcomponents of 3700 Watt amplifier
Current Situation n n Tedious to test Time consuming Resource consuming Interpolation issues Result analysis is time consuming
Software Capabilities n Lab. VIEW code n n n Collect necessary data Perform calculations Generate graphs Fully automated Required tests
Needs Assessment n Customer’s Needs n n n Automated in Lab. VIEW Graphical User Interface will be provided Ability to vary input parameters Ability to perform safety checks and take measurements Potential for destructive testing Our Needs n n n Access to MKS facility, equipment, and technical support Defined work area at MKS Results of past tests for comparison
Concept Development n Option 1
Concept Development n Option 2
Project Schedule
Key Requirements & Critical Parameters n n n Repeatable Data Safety Checks Fully Automated
Overall System Diagram/Block Diagram n Software flow of overall Lab. VIEW program. n n Contains 4 nested loops Varies all necessary input parameters n n Frequency Impedance Voltage Amplitude
Analysis & Synthesis of Design n Project based upon generic platform n n Easily adaptable for future considerations Easily interchangeable with similar units Customer specifications met Integration of existing code
BOM & Costs n n All equipment provided by MKS Equipment list n n n n Tektronix Digital Scope Bird Power Meter Bird Power Sensor Agilent Power Meter Agilent Power Sensor ENI Load Simulator & RS 232 Cable ENI Matchwork Controller ENI Fiber Optic Converter Agilent Spectrum Analyzer Dell PC Agilent Signal Generator Keithey Scanning Card 4 RF Cables, DC Power Cable, & 6 GPIB Cables Power Supply
Anticipated Design Challenges/Risk n n n Difficulty integrating software blocks Creating user-friendly interface that is easily interpreted UUT safety and control systems Stability of amplifier signal Debugging of code
SD II Project Plan n n Automated Tests Correlation Study Corrective Actions MKS onsite verifications
Deliverables n n n Lab. VIEW code User manual On site training
Questions
Smith Chart http: //www. web-ee. com/primers/files/Smith. Charts/smith_charts. htm
Input Parameters
Signal Generator Frequency Flow
Communications with Load Simulator
Power Supply Handling
Signal Generator Amplitude Handling
Cost – Benefit Analysis n Assumptions n n n n For manual testing a technician requires 3 days for completion Technician gets paid $15/hour. Automated program can complete task in 24 hours with 1 hour set up. ($15)*(8 hrs/day)*(3 days) = $360 ($15)*(1 hr) = $15 A cost difference of $345 per test 3 tests * $360 = $1080 3 tests can be completed with the automatic test system in the same time that 1 test can be completed manually
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