ROBICEN: A Pneumatic Climbing Robot for Inspection of Pipes and Tanks. - Miguel Angel Serna; Alejo Avello; Leoncio Briones; Paul Bustamante (ISER, 1997)

Adaptive Impedance Modification of a Master-Slave Manipulator. - Ángel Rubio; Alejo Avello; Julián Flórez 001 (ICRA, 1999)

Two Compact Robots for Remote Inspection of Hazardous Areas in Nuclear Power Plants. - J. Savall; Alejo Avello; Leoncio Briones (ICRA, 1999)

On the Use of Virtual Springs to Avoid Singularities and Workspace Boundaries in Force-Feedback Teleoperation. - Ángel Rubio; Alejo Avello; Julián Flórez 001 (ICRA, 2000)

Involving the operator in a singularity avoidance strategy for a redundant slave manipulator in a teleoperated application. - Jaime Rubí; Ángel Rubio; Alejo Avello (IROS, 2002)

An intuitive force feed-back to avoid singularity proximity and workspace boundaries in bilateral controlled systems based on virtual springs. - Emilio Sanchez; Ángel Rubio; Alejo Avello (IROS, 2002)

Stability analysis of a 1 DOF haptic interface using the Routh-Hurwitz criterion. - Jorge Juan Gil; Alejo Avello; Ángel Rubio; Julián Flórez 001 (IEEE Trans. Control. Syst. Technol., 2004)