\begin{thebibliography}{19}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{\texttt{#1}}
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{doi: #1}\else
  \providecommand{\doi}{doi: \begingroup \urlstyle{rm}\Url}\fi

\bibitem[{ATMEL}(2009)]{atmel_atmega48pa/88pa/168pa/328p_2009}
{ATMEL}.
\newblock \emph{{ATmega48PA/88PA/168PA/328P} Datasheet}.
\newblock {ATMEL}, October 2009.

\bibitem[Cruz(2012)]{cruz_haptic_2012}
Pedro Cruz.
\newblock Haptic interface data acquisition system.
\newblock Master's thesis, University of Aveiro, 2012.

\bibitem[Cruz et~al.(2012)Cruz, Santos, and Silva]{cruz_tele-kinesthetic_2012}
Pedro Cruz, Vítor Santos, and Filipe Silva.
\newblock Tele-kinesthetic teaching of a humanoid robot with haptic and data
  acquisition.
\newblock In \emph{Proceedings of the {IROS’2012} Workshop on Learning and
  Interaction in Haptic Robots}, 2012.

\bibitem[Ferreira(2007)]{ferreira_desenvolvimento_2007}
Pedro Ferreira.
\newblock Desenvolvimento de algoritmos de controlo para locomoção de um
  robot humanóide.
\newblock Master's thesis, University of Aveiro, July 2007.

\bibitem[Godinho(2011)]{godinho_desenvolvimento_2011}
Ricardo Godinho.
\newblock Desenvolvimento do tronco e braços de uma plataforma humanóide
  híbrida.
\newblock Master's thesis, University of Aveiro, 2011.

\bibitem[{INSTRUMENTS}(1997)]{texas_instruments_ina_1997}
{TEXAS} {INSTRUMENTS}.
\newblock \emph{{INA} 129 Datasheet}.
\newblock {TEXAS} {INSTRUMENTS}, October 1997.

\bibitem[{INTERFACE}(2009)]{interface_model_2009}
{INTERFACE}.
\newblock \emph{Model {LBS} Miniature Compression Load Button Datasheet}.
\newblock {INTERFACE}, March 2009.

\bibitem[Lage(2011)]{lage_algoritmos_2011}
William Lage.
\newblock Algoritmos de controlo do movimento para um robô humanóide.
\newblock Master's thesis, University of Aveiro, 2011.

\bibitem[Quigley et~al.(2009)Quigley, Gerkey, Conley, Faust, Foote, Leibs,
  Berger, Wheeler, and Ng]{quigley_ros_2009}
Morgan Quigley, Brian Gerkey, Ken Conley, Josh Faust, Tully Foote, Jeremy
  Leibs, Eric Berger, Rob Wheeler, and Andrew Ng.
\newblock \emph{{ROS:} an open-source Robot Operating System}.
\newblock International Conference on Robotics and Automation ({ICRA)}, 2009.

\bibitem[Ribeiro(2010)]{ribeiro_desenvolvimento_2010}
Miguel Ribeiro.
\newblock Desenvolvimento dos sistemas sensorial e motor para um robô
  humanóide.
\newblock Master's thesis, University of Aveiro, 2010.

\bibitem[Rodrigues(2008)]{rodrigues_unidade_2008}
Mauro Rodrigues.
\newblock Unidade de processamento e sistema de visão para um robô
  humanóide.
\newblock Master's thesis, University of Aveiro, 2008.

\bibitem[Sabino(2009)]{sabino_estrutura_2009}
Rémi Sabino.
\newblock Estrutura híbrida de locomoção para um robô humanóide.
\newblock Master's thesis, University of Aveiro, 2009.

\bibitem[Santos(2003)]{santos_robotica_2003}
Vítor Santos.
\newblock \emph{Sebenta da cadeira de Robótica Industrial}.
\newblock 2003.

\bibitem[Santos et~al.(2010)Santos, Moreira, Ribeiro, and
  Silva]{santos_development_2010}
Vítor Santos, {R.A.S.} Moreira, Miguel Ribeiro, and Filipe Silva.
\newblock Development of a hybrid humanoid platform and incorporation of the
  passive actuators.
\newblock Tianjin, China, December 2010.

\bibitem[Santos et~al.(2012)Santos, Moreira, and
  Silva]{santos_mechatronic_2012}
Vítor Santos, Rui Moreira, and Filipe Silva.
\newblock Mechatronic design of a new humanoid robot with hybrid parallel
  actuation.
\newblock \emph{International Journal of Advanced Robotic Systems}, Vol. 9,
  2012.
\newblock \doi{10.5772/51535}.

\bibitem[{SensAble}(2008{\natexlab{a}})]{sensable_openhaptics_2008}
{SensAble}.
\newblock \emph{{OpenHaptics} {API} Reference Manual}.
\newblock {USA:} {SensAble} Technelogies, 2008{\natexlab{a}}.

\bibitem[{SensAble}(2008{\natexlab{b}})]{sensable_openhaptics_2008-1}
{SensAble}.
\newblock \emph{{OpenHaptics} Toolkit Programmer's Guide}.
\newblock {USA:} {SensAble} Technelogies, 2008{\natexlab{b}}.

\bibitem[{SensAble}(2008{\natexlab{c}})]{sensable_phntm_2008}
{SensAble}.
\newblock \emph{{PHANTOM} Omni User's Guide}.
\newblock {USA:} {SensAble} Technelogies, 2008{\natexlab{c}}.

\bibitem[Silva(2006)]{silva_desenvolvimento_2006}
Milton Silva.
\newblock Desenvolvimento de algoritmos de controlo para locomoção de um
  robot humanóide.
\newblock Thesis, University of Aveiro, July 2006.

\end{thebibliography}
