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\documentclass[11pt]{article}
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\usepackage{fullpage}
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\usepackage{latexsym}
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\usepackage{amsmath}
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\begin{document}
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notation:
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\begin{itemize}
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\item $x$ - true x position
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\item $\tilde{x}$ - sensed x
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\item $\hat{x}$ - desired
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\item $r$ - true r
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\item $\tilde{r}$ - sensed r
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\item $\hat{r}$ - desired
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\item $\phi$ - true phi position
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\item $\tilde{\phi}$ - sensed phi
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\item $\hat{\phi}$ - desired
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\item $y$ - true y position
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\item $\tilde{y}$ - sensed y
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\item $\hat{y}$ - desired
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\item $(\hat{r}, \hat{\phi}) ^ n$
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\item $(\hat{x}, \hat{y}) ^ n$
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\item $(\hat{v}, \hat{\omega}) ^ n$
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\item $(\tilde{v}, \tilde{\omega}) ^ n$
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\item $(\tilde{x}, \tilde{y}, \tilde{\Theta}, \tilde{\phi}) ^ n$
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\item $(\hat{\omega_l}, \hat{\omega_r}) ^ n$
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\item $({\omega_l}, {\omega_r}) ^ n$
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\item $(\tilde{\omega_l}, \tilde{\omega_r}) ^ n$
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\item $(\tilde{x}, \tilde{y}, \tilde{\Theta}) ^ n$
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\item $(\tilde{x}, \tilde{y}, \tilde{\phi}) ^ n$
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\item $\phi ^ n$
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\item $\tilde{\phi} ^ n$
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\end{itemize}
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\textbf{motion model}
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\[
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\bigl [ \omega_l[k] \;,\; \omega_r[k] \bigr] = 
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\max \left \{ \min \left \{ 
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\left[\begin{array}{cc} \frac{R}{2} & \frac{R}{2}\\ -\frac{R}{L} & \frac{R}{L} \end{array}\right]
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^ {-1} 
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\left[\begin{array}{c} v[k] \\ \omega[k] \end{array}\right]
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\;, \quad \tt{minSpeed} \right \} \;, \quad \tt{maxSpeed} \right \}
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+ \mathcal{N}
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\]
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Where $\mathcal{N}$ is the Gaussian noise model
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\[
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x[k] = k[k-1] + \cos ( \theta[k-1] ) v[k] dt
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\]
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\[
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y[k] = y[k-1] + \sin ( \theta[k-1] ) v[k] dt
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\]
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\[
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\theta[k] = \theta[k-1] + \omega[k]dt
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\]
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\textbf{sensor model}
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$d$ is the sensor delay, in timesteps
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\begin{align*}
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  \tilde{\phi}[k] &= \left \lfloor (\phi[k-d] + \mathcal{N})  \frac{8}{\pi} \right \rfloor \frac{\pi}{8} \\
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  \tilde{x}[k] &= x[k-d] \\
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  \tilde{y}[k] &= y[k-d]
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\end{align*}
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\end{document}