From d32b325bfb7a2986737fd9db63dc7d67beac6c29 Mon Sep 17 00:00:00 2001
From: Sam Calisch <sam.calisch@cba.mit.edu>
Date: Wed, 25 Oct 2017 11:33:22 -0400
Subject: [PATCH] Update README.md

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index 1ea0f38..6741c89 100644
--- a/README.md
+++ b/README.md
@@ -147,3 +147,16 @@ I've also been looking at a similar mechanism for a non-contact torque cell.  Mo
 
 The video above shows a printed test of an exagerrated flexure (so that we can see the deflection).  I've also printed some much stiffer flexures which translate in a range measureable by a differential hall effect pair.
 
+### 2 DOF Force + Moment
+
+After talking to Ian about the requirements of a 2 degree of freedom load cell for a prosthetic ankle application, here was a quick sketch of a flexure and layout of magnets and sensors.
+
+<img src='ankle-2dof/ankle-2dof-sketch-1.png' width=300px>
+<img src='ankle-2dof/ankle-2dof-sketch-2.png' width=300px>
+
+The two sensors can differentiate forces in the Z direction and moments around the X axis (out of the screen). 
+
+<img src='ankle-2dof/ankle-2dof-sim-force.png' width=300px>
+<img src='ankle-2dof/ankle-2dof-sim-moment.png' width=300px>
+
+
-- 
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