From 37f330f3f8b1159d96197794ae7bd46d4c9a6a2c Mon Sep 17 00:00:00 2001
From: Thomas Dehaeze <dehaeze.thomas@gmail.com>
Date: Wed, 24 Jun 2020 15:50:23 +0200
Subject: [PATCH] Add few notes

---
 paper/paper.org | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/paper/paper.org b/paper/paper.org
index b9b4777..3c2bffd 100644
--- a/paper/paper.org
+++ b/paper/paper.org
@@ -470,6 +470,8 @@ This means that at low frequency, the system is decoupled (the force sensor remo
 
 # Equivalent System is the same as Figure 1 (as increasing "c")
 
+# Thus very much equivalent as adding passive elements such as dashpot
+
 ** Equations
 
 # Write the equations
@@ -493,9 +495,11 @@ This means that at low frequency, the system is decoupled (the force sensor remo
 [[file:figs/root_locus_dvf.pdf]]
 
 * Comparison of the Proposed Active Damping Techniques for Rotating Positioning Stages
-**
+** Physical Comparison
 
-**
+
+
+** Attainable Damping
 
 #+name: fig:comp_root_locus
 #+caption: Figure caption
@@ -506,6 +510,17 @@ This means that at low frequency, the system is decoupled (the force sensor remo
 ** Transmissibility and Compliance
 
 
+# IFF with HPF and IFF with kp give very similar results
+
+# Both techniques provides very good amount of damping
+
+# IFF degrades the compliance at low frequency (add reference)
+
+# Relative DVF degrades the transmissibility at high frequency
+# The roll-off is -1 instead of -2
+
+#
+
 #+name: fig:comp_active_damping
 #+caption: Comparison of the three proposed Active Damping Techniques
 #+attr_latex: :environment subfigure :width 0.45\linewidth :align c
@@ -525,7 +540,6 @@ This means that at low frequency, the system is decoupled (the force sensor remo
 * Conclusion
 <<sec:conclusion>>
 
-
 * Acknowledgment
 :PROPERTIES:
 :UNNUMBERED: t