Sjohn Chambers

Lee Ann Hanback

Sunny Patel

Scott Schiavone

This  is  the  eighth  progress  report  of  the  Senior   Design  II  class  for  the  OnTrack  senior  design  team,instructed by  Dr. Wells and sponsored  by  Dr.  Kulick  and Dr. Coe. This report  is submitted on February 28, 2014.

Individual Hours ● ● ● ●

Sjohn Chambers ­ 11.75 hrs  Lee Ann Hanback ­ 9 hrs Sunny Patel ­ 11 hrs Scott Schiavone ­ 18 hrs

Current Work (FEB 21 – FEB 27) ●

February  22: Hardcoded  Tie Count: We developed code that will take in a hardcoded 

tie  count  in  the  app  and  having  an  image  move  horizontally  across the screen the same  number of pixels. ● February  22:  Source  Code  Combination Plan:  Currently,  we  are  using  two  different   projects   for  testing.  (1)  Main_Activity  controlling  trains  and  connections.  (2)  Image_View  showing  image movement. We have been testing the  code separately and are now to the  point  where  the  codes  need  to  be  combined  so  that  we can have user controls and train   movement all in the same application. Our plan on combining the code is as follows: ○ In Main_Activity, create an object of the Image_View class ○ Have 10 instances of the Image_View class for 10 different trains ○ Each  train  will  have  the  properties  needed  to  place  the  trains  on  a  track  image  and move the trains across the proper axes ○ Have to tabs ■ Tab  1  will  combine  the Main_Activity  and  the  Image_View  classes  to  give  user control and visibility ■ Tab  2  will  consist  only of Main_Activity so that it will be easier for us to edit  and  debug  the  train  controls  without  affecting  the  Image_View  as  well as  giving the user the option to input more advanced commands ● February  23:  Move  10  Trains  in  the  Image_View  Class:  In  the  Image_View   class,  OnTrack   can  now  add  ten  trains  and  have  them  individually  move  horizontally  a  hardcoded number of pixels. Sponsored by: Dr. Jeff Kulick and Dr. David Coe Instructor: Dr. Earl Wells

Sjohn Chambers



Lee Ann Hanback

Sunny Patel

Scott Schiavone

February  25:  Tie   Counting:  OnTrack  Hardware  Lead,  Scott,  met  with  Euros  Davis  to  discuss the tie counting hardware. The problem statement is as follows: When  tracking  the  trains  on  the  track,  we  will  need  to  have  known  location  that be  directly  related  to pixels  on our  app. We will be using barcodes for the known locations.  The  barcodes  will  be  directly  under  the  track  and  will  be  read  by  the sensor  the same way the sensor counts the ties on the track. Scott has reached out  to  Euros   Davis  for  advice  on  filtering  out  a  noisy  signal  received  by  the sensors due to a multicolored cork being used under our track layout. 









Scott  and  Euros ran several tests in an attempt to filter out the noise from the sensor, but  none  of  the  tests  solved  the  problem.  A  few  things  considered  during  the  testing  is  as  follows: 1. Maybe  there  is  so  much noise  because  the  multicolored  cork  is  made  up of dark  colors? ○ No,  we   tested  the  tie  counting  sensor  on  a  solid  dark  brown  surface  and  the  reading  worked  properly.  The  problem  is  not  that  the  cork   under  the  track is too dark, it’s that the cork is multicolored. 2. The  frequency  from  reading  the  cork  is  extremely  low.  Scott  and  Euros  did  multiple  frequency tests  but  all  resulted  in  the  signal  from  the  cork  still producing  too much noise. February  25:  Solution  to  Multicolored Cork Noisy Signal: After discussing the matter  with  one  of  our  sponsors,  Dr.  Kulick,  we  will  more  than  likely  be  painting the cork a solid  color.  February  26: Combining Classes: All of the code is now interactive between the original  Main_Activity  and  Image_View  classes.  The  app  now   has  two  tab  views.  One  for  the  viewer  to  see  train  movement  and  have  general  commands  and  the  other  for  sending  more specific hard coded commands. February  27:  Tie   Counting:  We  have  been  in  contact  with  one  of  our  sponsors,  Dr.  Kulick,  about  our  testing results  from  the  tie  counting  over  the  current  multicolored cork.  He  accepted  our  proof  through  testing  that  the  sensor  data  is  too  noisy  with  the  multicolored  cork,  and  he  has  decided  to  paint  the  cork  a different (solid) color. Now that  we  are  up­to­date  with  Dr.  Kulick,  we  continued  with  the  hardware  development  for  the  IMU and Sensor data.  February  27:  Prototype  App  Layout:  The  team  sat  down  and  agreed  upon  a  layout for  Sponsored by: Dr. Jeff Kulick and Dr. David Coe Instructor: Dr. Earl Wells

Sjohn Chambers

Lee Ann Hanback

Sunny Patel

Scott Schiavone

our app. The layout may change as the project continues. 

Future Work (FEB 28 – MAR 6) ● Continue firmware update of IMU and Sensors ● Continue implementation of prototype app layout ● Work  more  on  using  the  IMU  and  Sensor data  to  move  images  accordingly on the  app

Problems to Date ● No problems to date

Sponsored by: Dr. Jeff Kulick and Dr. David Coe Instructor: Dr. Earl Wells

Individual Hours Current Work (FEB 21а–аFEB 27)

February 25: Tie Counting: OnTrack Hardware Lead, Scott, met with Euros Davis to discuss the tie counting hardware. The problem statement is as follows:.

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