Initial tuning of the control loops.

These were tuned by looking at the plots and looking at how aggressive
the controller is.

Change-Id: I68d7b396ccdcc79640bbffaea8102414720fe164
diff --git a/y2020/control_loops/python/flywheel.py b/y2020/control_loops/python/flywheel.py
index 9a6fc46..0457985 100755
--- a/y2020/control_loops/python/flywheel.py
+++ b/y2020/control_loops/python/flywheel.py
@@ -214,7 +214,7 @@
             offset.append(observer_flywheel.X_hat[2, 0])
 
         applied_U = U.copy()
-        if i > 30:
+        if i > 100:
             applied_U += 2
         flywheel.Update(applied_U)