The document discusses customizing the action space for AWS DeepRacer. It describes how the action space is defined in the console and via a JSON file, and how it is used during training to analyze the model's steering actions. The document provides tips on changing the action space, such as moving steering angles, dropping unused actions, or merging actions. It advises to make only small changes when cloning models and to allow time for the new model to adapt.
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Customizing AWS DeepRacer Action Space
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Customizing
AWS
DeepRacer
Action Space
Kire Galev
AWS DeepRacer Expert Boot Camp
Computer Vision Developer
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Action Space in Console
A W S D e e p R a c e r E x p e r t B o o t C a m p
? Works fine
? Easy to use
? Once defined can¡¯t be changed
? Stays same after cloning (transfer learning)
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Action Space .json file location
A W S D e e p R a c e r E x p e r t B o o t C a m p
Console:
S 3 :
/ / a ws - d e e p r a c e r - a 2 5 4 4 9 7 8 - 4 0 e 3 - b 2 a 1 -
c 2 7 9 - 9 9 3 0 4 a d b d 8 1 6 / m o d e l - m e t a d a t a /
M o d e l - n a m e / m o d e l _ m e t a d a t a . j s o n
Local training:
m o d e l _ m e t a d a t a . j s o n
i n c u s t o m _ f i l e s f o l d e r
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How is used my Action Space
A W S D e e p R a c e r E x p e r t B o o t C a m p
Histograms for :
? Episod e
? Iteratio n
? W hole trainin g
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How is used my Action Space
A W S D e e p R a c e r E x p e r t B o o t C a m p
Polar coordinates view
View from cars perspective
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Where is a specific action used on the track
A W S D e e p R a c e r E x p e r t B o o t C a m p
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A W S D e e p R a c e r E x p e r t B o o t C a m p
Where is a specific action used on the track
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What to change in Action Space
A W S D e e p R a c e r E x p e r t B o o t C a m p
? M o v e s t e e r i n g a n g l e l e f t / r i g h t
? I n c r e a s e / D e c r e a s e s p e e d
? D r o p l e s s u s e d a c t i o n s
? M e r g e 2 o r m o r e a c t i o n s i n o n e
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Action Space based on track analysis
A W S D e e p R a c e r E x p e r t B o o t C a m p
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Action Space based on track analysis
A W S D e e p R a c e r E x p e r t B o o t C a m p
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ChangingAction Space when cloning model
A W S D e e p R a c e r E x p e r t B o o t C a m p
? Number of actions must stay same
? Don¡¯t make drastic changes (max: 5%)
? Wait some time for model ¡°adaptation¡±
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Questions & Open Discussion
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14. Please complete the
session survey in the mobile
app.
!
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15. Thank you!
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