diff --git a/raspberrypi/Makefile b/raspberrypi/Makefile
index 4f9117e..53828a8 100644
--- a/raspberrypi/Makefile
+++ b/raspberrypi/Makefile
@@ -109,6 +109,7 @@ upgrade-fpga:
 # CHEF
 
 chef:
+	../simu/mat2h.sh
 	make -C buildroot chef-rebuild
 
 upgrade-chef: chef
diff --git a/simu/.gitignore b/simu/.gitignore
new file mode 100644
index 0000000..cf640b7
--- /dev/null
+++ b/simu/.gitignore
@@ -0,0 +1,2 @@
+*.mat
+slprj/*
diff --git a/simu/mat2h.py b/simu/mat2h.py
new file mode 100755
index 0000000..21ee77f
--- /dev/null
+++ b/simu/mat2h.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+
+import sys
+
+inDimensions = False
+
+for line in sys.stdin:
+    l = line.rstrip('\n')
+
+    if inDimensions:
+        if l == '%END DIMENSIONS':
+            inDimensions = False
+            continue
+
+        if l.startswith('global'):
+            continue
+
+        if l.startswith('%'):
+            print(l.replace('%', '//'))
+            continue
+
+        if l.strip() == "":
+            print()
+            continue
+
+        out = "#define "
+        step = 0;
+        wasUpper = l[0].isupper()
+        for c in l:
+            if step == 0:
+                if c.isalpha():
+                    if c.isupper() and not wasUpper:
+                        out += '_' + c
+                    else:
+                        out += c.upper()
+                    wasUpper = c.isupper()
+                else:
+                    step = 1
+            elif step == 1:
+                if c == '=':
+                    step = 2
+            elif step == 2:
+                if c.isalpha():
+                    if c.isupper() and not wasUpper:
+                        out += '_' + c
+                    else:
+                        out += c.upper()
+                    wasUpper = c.isupper()
+                else:
+                    if c == ';':
+                        step = 3
+                    else:
+                        out += c
+            elif step == 3:
+                if c == '%':
+                    step = 4
+                    out += '//'
+                else:
+                    out += c
+            elif step == 4:
+                out += c
+
+        print(out.replace('PI', 'M_PI'))
+
+    else:
+        if l == '%BEGIN DIMENSIONS':
+            inDimensions = True
+            continue
diff --git a/simu/mat2h.sh b/simu/mat2h.sh
new file mode 100755
index 0000000..fc1e52e
--- /dev/null
+++ b/simu/mat2h.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+cd "$( dirname "${BASH_SOURCE[0]}" )"
+
+FILE="../chef/src/dimensions.h"
+
+echo -e "#ifndef __DIMENSIONS_H__
+#define __DIMENSIONS_H__
+
+#include <math.h>" > $FILE
+
+cat simu.m | ./mat2h.py >> $FILE
+
+echo -e "#endif" >> $FILE
+
diff --git a/simu/modelisation.slx b/simu/modelisation.slx
new file mode 100644
index 0000000..8555868
Binary files /dev/null and b/simu/modelisation.slx differ
diff --git a/simu/simu.m b/simu/simu.m
new file mode 100644
index 0000000..c8fa17d
--- /dev/null
+++ b/simu/simu.m
@@ -0,0 +1,373 @@
+global SIMULATION;
+SIMULATION = 0;
+
+% Paramètres de lecture
+DIRNAME = "/home/geoffrey/CdF/cdf2018-principal/log/";
+FILENAME = "000232.csv";
+PATH = DIRNAME + FILENAME;
+
+% Paramètres de simulation
+global SIMULATION_TIME SIMULATION_DT;
+SIMULATION_TIME = 10;
+SIMULATION_DT = 1e-6;
+
+%BEGIN DIMENSIONS
+
+% Dimensions pistes
+global pisteWidth pisteHeight pisteOrigX pisteOrigY;
+pisteWidth = 3000.0;
+pisteHeight = 2000.0;
+pisteOrigX = 0.0;
+pisteOrigY = 0.0;
+
+% Dimensions robot
+global width height distanceBetweenWheels wheelDiameter wheelPerimeter motorSpeedGainRPMpV motorSpeedGain motorNominalTension motorControllerAlimentation motorControllerReference motorSaturationMin motorSaturationMax pwmMax coderResolution coderDataFactor coderDataResolution cranReducOut cranReducIn reducRatio coderFullResolution avPerCycle;
+width = 250.0; % mm (from meca)
+height = 100.0; % mm (from random)
+distanceBetweenWheels = width; % mm (from meca)
+wheelDiameter = 80.0; % mm (from meca)
+wheelPerimeter = (wheelDiameter * pi); % mm
+motorSpeedGainRPMpV = 233.0; % rpm/V (from datasheet)
+motorSpeedGain = (motorSpeedGainRPMpV / 60.0); % motor rev/s/V
+motorNominalTension = 24.0; % V (from datasheet)
+motorControllerAlimentation = 24.0; % V (from elec)
+motorControllerReference = 5; % V (from wiring)
+motorSaturationMin = 0.1; % V (from random)
+motorSaturationMax = 12.0; % V (from testing)
+pwmMax = 3.3; % V (from FPGA datasheet)
+coderResolution = 370.0; % cycles/motor rev
+coderDataFactor = 4.0; % increments/motor cycles
+coderDataResolution = (coderResolution * coderDataFactor); % cycles/motor rev
+cranReducOut = 48.0; % nb crans (from meca)
+cranReducIn = 12.0; % nb crans (from meca)
+reducRatio = (cranReducIn / cranReducOut); % reduction ratio
+coderFullResolution = (coderDataResolution / reducRatio); % cycles / wheel rev
+avPerCycle = (wheelPerimeter / coderFullResolution); % mm
+
+% Constantes asservissement
+global dDirEcartMin dDirEcartMax oDirEcartMin oDirEcartMax oGain;
+dDirEcartMin = 1.0; % mm
+dDirEcartMax = 5.0; % mm
+oDirEcartMin = (2.5 / 360.0 * 2.0 * pi); % rad
+oDirEcartMax = (7.5 / 360.0 * 2.0 * pi); % rad
+oGain = 1;
+P = 2;
+I = 0;
+D = 0;
+
+%END DIMENSIONS
+
+global s;
+if SIMULATION == 1
+    % Génération de la consigne
+    xinit = 50;
+    yinit = 50;
+    oinit = 4 * pi;
+    d1t = 2;
+    d1x = 300;
+    d1y = -300;
+    d1o = 2 * pi;
+    dt = SIMULATION_DT;
+
+    global xcons ycons ocons;
+    xcons = timeseries([xinit, xinit, d1x, d1x], [0 d1t-dt d1t SIMULATION_TIME]);
+    ycons = timeseries([yinit, yinit, d1y, d1y], [0 d1t-dt d1t SIMULATION_TIME]);
+    ocons = timeseries([oinit, oinit, d1o, d1o], [0 d1t-dt d1t SIMULATION_TIME]);
+
+    % Simulation
+    disp("Lancement de la simulation");
+    s = sim("modelisation", "StopTime", string(SIMULATION_TIME));%, "MinStep", string(SIMULATION_DT));
+    fprintf("Simulation sampling rate: %f Hz\n", length(s.tout)/SIMULATION_TIME);
+else
+    disp("Ouverture des données");
+    T = readtable(PATH);
+    
+    % Données pratiques → données théoriques
+    T.time(1) = 0;
+    T.x = T.xConnu;
+    T.y = T.yConnu;
+    T.o = T.oConnu;
+    
+    %T.lVolt = T.lCodTot;
+    %T.rVolt = T.rCodTot;
+
+    disp("Enregistrement des données");
+    s = containers.Map;
+    for name=T.Properties.VariableNames
+        nameChar = char(name);
+        s(nameChar) = timeseries(T.(nameChar), T.time);
+    end
+    
+    % Modification pour faire passer comme une simu
+    td = getTimePoints();
+    SIMULATION_TIME = td(end);
+
+end
+
+
+% Graphes
+
+clf
+global p;
+
+% Évolution spatiale
+subplot(2, 2, 1);
+initGraph
+updateToTime(SIMULATION_DT);
+
+% Roues
+p = subplot(2, 2, 2);
+hold on;
+timeGraph(["lVolt", "rVolt", "lErr", "rErr"]);
+addLimitline(p, motorNominalTension);
+addLimitline(p, -motorNominalTension);
+addLimitline(p, 0);
+title("Roues");
+xlabel("Temps (s)");
+ylabel("Tension (V)");
+legend("Gauche", "Droite", "Err. gauche", "Err. droite");
+
+% Distance
+p = subplot(2, 2, 3);
+hold on;
+timeGraph(["dDirEcart", "dErr"]);
+addLimitline(p, dDirEcartMin);
+addLimitline(p, dDirEcartMax);
+title("Distance");
+xlabel("Temps (s)");
+ylabel("Distance (mm)");
+legend("Ecart direction", "Err. retenue");
+
+% Rotation
+p = subplot(2, 2, 4);
+hold on;
+timeGraph(["oDirEcart", "oEcart", "oErr"]);
+addLimitline(p, oDirEcartMax);
+addLimitline(p, oDirEcartMin);
+addLimitline(p, -oDirEcartMax);
+addLimitline(p, -oDirEcartMin);
+title("Rotation");
+xlabel("Temps (s)");
+ylabel("Angle (rad)");
+legend("Ecart direction", "Ecart orientation", "Err. retenue");
+
+% Fonctions
+
+function ts = getTS(name)
+    global SIMULATION s;
+    if SIMULATION == 1
+        ts = s.(name);
+    else
+        name = char(name);
+        if s.isKey(name)
+            ts = s(name);
+        else
+            fprintf("Données inconnues : %s\n", name);
+            ts = timeseries();
+        end
+    end
+end
+
+function pt = getTimePoints()
+    global SIMULATION s;
+    if SIMULATION == 1
+        pt = s.tout;
+    else
+        ts = getTS('time');
+        pt = ts.Time;
+    end
+end
+
+function timeGraph(series)
+    global SIMULATION_TIME p;
+    m = inf;
+    M = -inf;
+    for sname=series
+        serie = getTS(sname);
+        plot(serie);
+        if ~isempty(serie.Data)
+            m = min(m, min(serie));
+        end
+        if ~isempty(serie.Data)
+            M = max(M, max(serie));
+        end
+    end
+    xlim([0 SIMULATION_TIME]);
+    if (abs(m) ~= inf) && (abs(M) ~= inf)
+        ylim([m M]);
+    end
+    addTimeline(p);
+end
+
+function addLimitline(p, x)
+    line(p.XLim, [x x], 'Color', [0.8 0.8 0.8]);
+end
+
+function addTimeline(p)
+    global t timelines;
+    timeline = line([t t], p.YLim, 'Color', [0 0 0]);
+    timelines = [timelines timeline];
+end
+
+function play()
+    global SIMULATION_TIME speed t playing;
+    if playing == 1
+        return
+    end
+    startCpu=cputime;
+    startT=t;
+    n=0;
+    playing=1;
+    while t<SIMULATION_TIME && playing == 1
+        updateToTime((cputime-startCpu)*speed + startT);
+        drawnow limitrate;
+        n = n + 1;
+    end
+    playing=0;
+    fprintf("Refresh rate : %f Hz\n", n/(cputime-startCpu));
+end
+
+function sliderCallback(hObject, ~)
+    updateToTime(get(hObject, 'Value'));
+end
+
+function playCallback(~, ~)
+    play();
+end
+
+function pauseCallback(~, ~)
+    global playing;
+    playing=0;
+end
+
+function [x, y] = pointArround(xC, yC, xD, yD, o)
+    D = xD + yD * 1i;
+    F = abs(D) .* exp(1i * (angle(D) + o - pi/2));
+    x = xC + real(F);
+    y = yC + imag(F);
+end
+
+function drawRect(p, x, y, o, w, h)
+    [x1, y1] = pointArround(x, y, - w/2, + h/2, o);
+    [x2, y2] = pointArround(x, y, + w/2, + h/2, o);
+    [x3, y3] = pointArround(x, y, + w/2, - h/2, o);
+    [x4, y4] = pointArround(x, y, - w/2, - h/2, o);
+    p.XData = [x1, x2, x3, x4, x1];
+    p.YData = [y1, y2, y3, y4, y1];
+end
+
+function initGraph()
+    cla;
+    global SIMULATION_TIME;
+    global t speed playing timelines;
+    t = 0;
+    speed = 1;
+    playing = 0;
+    timelines = [];
+    global timeSlider;
+    timeSlider = uicontrol('Style', 'slider', 'Callback', @sliderCallback, 'Min', 0, 'Max', SIMULATION_TIME, 'Position', [20 20 500 20], 'Value', t);
+    global timeText;
+    timeText = uicontrol('Style', 'text', 'Position', [520 20 120 20], 'String', sprintf("t = %f", t));
+    uicontrol('Style', 'pushbutton', 'String', 'Play', 'Position', [640 20 60 20], 'Callback', @playCallback);
+    uicontrol('Style', 'pushbutton', 'String', 'Pause', 'Position', [700 20 60 20], 'Callback', @pauseCallback);
+    
+    hold on;
+    xTs = getTS('x');
+    yTs = getTS('y');
+    plot(xTs.Data, yTs.Data, 'b--');
+    global height;
+    global lQuiver;
+    lQuiver = quiver(0, 0, 0, 0, 'Color', 'Red', 'MaxHeadSize', height/4);
+    global rQuiver;
+    rQuiver = quiver(0, 0, 0, 0, 'Color', 'Red', 'MaxHeadSize', height/4);
+    global robotRect;
+    robotRect = plot(0, 0);
+    global robotPath;
+    robotPath = plot(0, 0, 'b');
+    global dirQuiver;
+    dirQuiver = quiver(0, 0, 0, 0, 'Color', 'Blue', 'MaxHeadSize', height/4);
+    global consQuiver;
+    consQuiver = quiver(0, 0, 0, 0, 'Color', 'Green', 'MaxHeadSize', height/4);
+    
+    % Draw track
+    global pisteWidth;
+    global pisteHeight;
+    global pisteOrigX;
+    global pisteOrigY;
+    rectangle('Position', [pisteOrigX pisteOrigY pisteWidth pisteHeight]);
+    
+    % Set limits
+    margin = 300;
+    ampl = max(xTs.max - xTs.min, yTs.max - yTs.min);
+    xlim([xTs.min - margin, xTs.min + ampl + margin]);
+    ylim([yTs.min - margin, yTs.min + ampl + margin]);
+    title("Évolution spatiale");
+    xlabel("X (mm)");
+    ylabel("Y (mm)");
+end
+
+function d = getTSData(name, i)
+    ts = getTS(name);
+    if isempty(ts.Data)
+        d = 0;
+    else
+        d = ts.Data(i);
+    end
+end
+
+function updateToTime(newT)
+    % Update ui
+    global timeSlider timeText t SIMULATION_TIME;
+    t = max(min(SIMULATION_TIME, newT), 0);
+    timeSlider.Value = t;
+    timeText.String = sprintf("t = %f", t);
+
+    % Get values
+    i = find(getTimePoints() <= t);
+    i = i(end);
+    x = getTSData('x', i);
+    y = getTSData('y', i);
+    o = getTSData('o', i);
+    xCons = getTSData('xCons', i);
+    yCons = getTSData('yCons', i);
+    oCons = getTSData('oCons', i);
+    lVit = getTSData('lVit', i);
+    rVit = getTSData('rVit', i);
+    
+    
+    % Add event
+    tEvent = tsdata.event('tEvent', t);
+    xTs = getTS('x');
+    xS = xTs.addevent(tEvent);
+    yTs = getTS('y');
+    yS = yTs.addevent(tEvent);
+    
+    % Draw path
+    global robotPath;
+    robotPath.XData = xS.gettsbeforeevent('tEvent').Data;
+    robotPath.YData = yS.gettsbeforeevent('tEvent').Data;
+    
+    % Draw robot
+    global width height;
+    global robotRect dirQuiver;
+    drawRect(robotRect, x, y, o, width, height);
+    dirQuiver.XData = x; dirQuiver.YData = y;
+    dirQuiver.UData = cos(o) * height/2; dirQuiver.VData = sin(o) * height/2;
+    % Arrow for wheels
+    global lQuiver rQuiver;
+    [lQuiver.XData, lQuiver.YData] = pointArround(x, y, -width/2, 0, o);
+    lQuiver.UData = cos(o) * lVit; lQuiver.VData = sin(o) * lVit;
+    [rQuiver.XData, rQuiver.YData] = pointArround(x, y, +width/2, 0, o);
+    rQuiver.UData = cos(o) * rVit; rQuiver.VData = sin(o) * rVit;
+
+    % Draw cons
+    global consQuiver;
+    consQuiver.XData = xCons; consQuiver.YData = yCons;
+    consQuiver.UData = cos(oCons) * height/2 ; consQuiver.VData = sin(oCons) * height/2;
+    
+    % Draw timelines
+    global timelines
+    for i = 1:length(timelines)
+        timelines(i).XData = [t t];
+    end
+end