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Team Bi-directional “Our Wind vane spins both ways.”

Team Bi-directional “Our Wind vane spins both ways.”. -Keith Beland -Christian Brinegar -Justin Marsha. Problem Statement.

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Team Bi-directional “Our Wind vane spins both ways.”

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  1. Team Bi-directional“Our Wind vane spins both ways.” -Keith Beland -Christian Brinegar -Justin Marsha

  2. Problem Statement Our problem statement is to create a device that can be used to test the linearity, centering, and dead band of an NRG systems #200P Wind Direction Vane that samples at most every 1.8 degrees within 2 minutes.

  3. Background • Dead band>8 Degrees • Linearity • Centering

  4. Our Solution • For our final design we chose a solution using an parallel stepper motor while incorporating LabView for displaying and handling of the data.

  5. Prototype

  6. Electrical System .9 Degree/ 400 step Stepper Motor 5V 2A Digital Line Out PC DAQ Wind vane 5V Analog Input Break Beam Sensor Analog Input

  7. MOSFET Circuit

  8. LabView System 2. 1. Above shows the LabView block diagram taking a measurement from the wind vane The T/F box represents whether we want channel on or off

  9. Stepper motor (from Anaheim Automation) The inputs are capable of running from either open collector or TTL level logic outputs. The microstepping driver features resolutions from 200 - 1600 steps/revolution, providing smooth rotary operation. Input voltage from 8-35 VDC. Step angle of 1.8° with an accuracy of +/- 5%

  10. Wind Direction Vane Bucket ½” Post “Bucket” Fixed in place to ½” post to hold windvane in place on final product

  11. Rotation System Stepper Motor Pulley O.D. = 3.75” I.D. = .200”

  12. Work Breakdown • Keith • Stepper motor • Solid works design • Physical Assembly • Christian • Physical Assembly • Software • Lab View and others that may be necessary • DAQ • Justin • Web page • Break Beam sensor • Physical design • Software help

  13. Budget

  14. Timeline • We have met our goal of full physical design in Solid Works. • The design as of now is robust, but could be simplified. • Our goals to complete are to continue communication and configure break beam sensor.

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