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Fix open-loop odometry using unbounded commands by applying SpeedLimiter first#2260

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christophfroehlich merged 4 commits intoros-controls:masterfrom
Saitejabojja07:diffdrive
Apr 2, 2026
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Fix open-loop odometry using unbounded commands by applying SpeedLimiter first#2260
christophfroehlich merged 4 commits intoros-controls:masterfrom
Saitejabojja07:diffdrive

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@Saitejabojja07
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Open-loop odometry was using raw velocity commands before SpeedLimiter,
causing it to integrate unbounded inputs.

Moved limiter application before odometry update so try_update_open_loop()
uses limited commands, aligning odometry with actual motion.

Fixes: #2250

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Please cleanup this PR and don't commit your vscode folder.

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@christophfroehlich I have cleaned up the PR are there any other change required?

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codecov bot commented Mar 30, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.68%. Comparing base (629afee) to head (4dd6e08).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files
@@           Coverage Diff           @@
##           master    #2260   +/-   ##
=======================================
  Coverage   84.68%   84.68%           
=======================================
  Files         153      153           
  Lines       15318    15318           
  Branches     1332     1332           
=======================================
  Hits        12972    12972           
  Misses       1858     1858           
  Partials      488      488           
Flag Coverage Δ
unittests 84.68% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines Coverage Δ
...iff_drive_controller/src/diff_drive_controller.cpp 80.36% <100.00%> (ø)
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@christophfroehlich christophfroehlich added backport-jazzy Triggers PR backport to ROS 2 jazzy. backport-kilted Triggers PR backport to ROS 2 kilted. labels Mar 30, 2026
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Thank you, this fixes the mentioned issue. Just a nitpick comment, let's sort that to very top.

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@thedevmystic thedevmystic left a comment

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LGTM

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LGTM

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backport-jazzy Triggers PR backport to ROS 2 jazzy. backport-kilted Triggers PR backport to ROS 2 kilted.

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DiffDrive: Use limited variables for open loop odometry calculation

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