<FIGURE>
<center>
-<img src="./equation/equation_1.png" width="35%" height="5%">
+<img src="./equation/equation_1.png" width="35%" height="4%">
</center>
</FIGURE>
<FIGURE>
<center>
-<img src="./equation/equation_2.png" width="35%" height="6%">
+<img src="./equation/equation_2.png" width="35%" height="5%">
</center>
</FIGURE>
<FIGURE>
<center>
-<img src="./equation/equation_3.png" width="35%" height="10%">
+<img src="./equation/equation_3.png" width="35%" height="9%">
</center>
</FIGURE>
<FIGURE>
<center>
-<img src="./equation/equation_4.png" width="35%" height="10%">
+<img src="./equation/equation_4.png" width="35%" height="9%">
</center>
</FIGURE>
<FIGURE>
<center>
-<img src="./equation/equation_5.png" width="35%" height="10%">
+<img src="./equation/equation_5.png" width="35%" height="8%">
</center>
</FIGURE>
<FIGURE>
<center>
-<img src="./equation/equation_6.png" width="35%" height="5%">
+<img src="./equation/equation_6.png" width="35%" height="4%">
</center>
</FIGURE>
</center>
</FIGURE>
+<FIGURE>
+<center>
+<img src="./equation/equation_12.png" width="35%" height="3.5%">
+</center>
+</FIGURE>
+
+<FIGURE>
+<center>
+<img src="./equation/equation_13.png" width="35%" height="3%">
+</center>
+</FIGURE>
+
+<FIGURE>
+<center>
+<img src="./equation/equation_14.png" width="35%" height="4%">
+</center>
+</FIGURE>
+
+<h3>Orientation Computation Based on Driving System</h3>
+
+<FIGURE>
+<center>
+<img src="./equation/equation_15.png" width="35%" height="3.5%">
+</center>
+</FIGURE>
-<h3>Driving System</h3>
+<FIGURE>
+<center>
+<img src="./equation/equation_16.png" width="35%" height="6%">
+</center>
+</FIGURE>
+<FIGURE>
+<center>
+<img src="./equation/equation_17.png" width="35%" height="4%">
+</center>
+</FIGURE>
-<p>The accelerometer and geomagnetic sensor data are corrected
-for noise and compensated for static bias. Accelerometer is used to compute
-tilt (pitch and roll). The geomagnetic sensor along with the computed tilt data
-is used compute yaw. The computed Euler angles (pitch, roll and yaw) are
-converted to quaternions.</p>
+<FIGURE>
+<center>
+<img src="./equation/equation_18.png" width="35%" height="6%">
+</center>
+</FIGURE>
<h3>Noise Covariance Computation</h3>