Difference between revisions of "FTC 7314 Engineering Notebook 2014-12-30"

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* To start the meeting, Laura and Nick discussed how the IR seeker worked, so they would be better equipped to write programs with it.  
 
* To start the meeting, Laura and Nick discussed how the IR seeker worked, so they would be better equipped to write programs with it.  
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* We learned that there are 5 sensors inside the seeker, and you can get signal strengths for each one.  
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* They learned that there are 5 sensors inside the seeker, and you can get signal strengths for each one.  
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* We also learned that there are 9 "zones" that use the 5 sensors. If the energy from the beacon hits two sensors, then it is in a makeshift zone between them. In the program, you can get signal strengths, or the highest powered zone. The even number zones(which are when the energy hits two sensors) are much smaller, and thus more accurate.  
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* They also learned that there are 9 "zones" that use the 5 sensors. If the energy from the beacon hits two sensors, then it is in a makeshift zone between them. In the program, you can get signal strengths, or the highest powered zone. The even number zones(which are when the energy hits two sensors) are much smaller, and thus more accurate.  
 
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| '''Working on Parking Zone Auton'''
 
| '''Working on Parking Zone Auton'''
 
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* After learning about the IR seeker, Laura, Nick, and Akhila started to work on the parking zone auton.
 
* After learning about the IR seeker, Laura, Nick, and Akhila started to work on the parking zone auton.
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* First, we got it to work with the new schematic.  
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* First, they got it to work with the new schematic.  
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* Then, the nxt started freezing. By disabling pieces of code, we determined it froze while reading the encoder counts, after searching with for the IR beacon.  
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* Then, the NXT started freezing. By disabling pieces of code, they determined it froze while reading the encoder counts, after searching with for the IR beacon.  
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* After many failed attempts to fix it, we tried a technique that a LabView employee sugessted. We wrote the other values from the encoder VI to an indicator. This fixed the freeze, and we continued on.
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* After many failed attempts to fix it, they tried a technique that a LabView employee sugessted. They wrote the other values from the encoder VI to an indicator. This fixed the freeze, and we continued on.
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* We ran the program three times for each position of the center goal, and recorded the encoder counts and IR signal strengths. After gathering this data, we wrote an algorithm to determine the position of the center goal.
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* They ran the program three times for each position of the center goal, and recorded the encoder counts and IR signal strengths. After gathering this data they wrote an algorithm to determine the position of the center goal.
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* Next time we work on auton, we will be able to continue to write the code to line up with the center goal, then knock the kickstand.  
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* Next time they work on auton, they will be able to continue to write the code to line up with the center goal, then knock the kickstand.  
  
 
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! Recorded by:  
 
! Recorded by:  
 
! Date:
 
! Date:
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! Journal Editor:  
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! Journal Editor: Akhila
 
! Date:
 
! Date:
 
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Latest revision as of 03:28, 14 January 2015

Competition Season Meeting

Meeting Date Meeting Time Location Attendees
12/30/14 4-9pm TCHS Brandywine Nick, Laura, Akhila


Tasks Reflections
Learning about the IR seeker
  • To start the meeting, Laura and Nick discussed how the IR seeker worked, so they would be better equipped to write programs with it.
  • They learned that there are 5 sensors inside the seeker, and you can get signal strengths for each one.
  • They also learned that there are 9 "zones" that use the 5 sensors. If the energy from the beacon hits two sensors, then it is in a makeshift zone between them. In the program, you can get signal strengths, or the highest powered zone. The even number zones(which are when the energy hits two sensors) are much smaller, and thus more accurate.
Working on Parking Zone Auton
  • After learning about the IR seeker, Laura, Nick, and Akhila started to work on the parking zone auton.
  • First, they got it to work with the new schematic.
  • Then, the NXT started freezing. By disabling pieces of code, they determined it froze while reading the encoder counts, after searching with for the IR beacon.
  • After many failed attempts to fix it, they tried a technique that a LabView employee sugessted. They wrote the other values from the encoder VI to an indicator. This fixed the freeze, and we continued on.
  • They ran the program three times for each position of the center goal, and recorded the encoder counts and IR signal strengths. After gathering this data they wrote an algorithm to determine the position of the center goal.
  • Next time they work on auton, they will be able to continue to write the code to line up with the center goal, then knock the kickstand.

  • New battery mount in-situ w/ battery

  • New battery mount in-situ w/out battery

  • Servo installed for the diverter "valve"

  • Data collected during center-goal autonomous testing

  • Lift full up for autonomous scoring


Recorded by: Date: Journal Editor: Akhila Date:








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