Luís Alexandre Machado Rocha
Luís Alexandre Machado Rocha-
From 2015 to Present
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At ALGORITMI
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Academic Degree
PhD (Doutoramento)
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Current Position
Associate Professor (Professor Associado) at Escola de Engenharia da Universidade do Minho
Personal E-mail
ORCID
Researcher ID
A-6676-2013
FCT Public Key
J02252623S81
DeGóis
6437187450210960
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Luis Alexandre Rocha received the Degree in electronic engineering from the University of Minho, Guimarães, Portugal, in 2000 and the Ph.D. degree (cum laude) from the Delft University of Technology, Delft, The Netherlands, in 2005. He has been a MEMS Engineer at ASML Netherlands, in 2005 and an Assistant Professor
at the Faculty of Engineering, University of Porto, from 2006 to 2008. Since March 2008, he has been at the University of Minho as an Associate Professor. His research activities focus on the study and use of the nonlinear MEMS dynamic behavior and the fabrication of microsensors based in microtechnologies with special focus on high sensitivity inertial sensors.
- Piezo-resistive behaviour at high strain levels of PEDOT:PSS printed on a flexible polymeric substrate by a novel surface treatment.Cruz, S.; Rocha, L.A.; Viana, J.C.Journal of Materials Science: Materials in Electronics2017
ALGORITMI Members
- Novel magnetic readout for hybrid spintronic MEMS devices.Dias, R.A.; Moreira, E.E.; Ribeiro, I.; Costa, M.; Fonseca, H.; Cardoso, TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems2017
ALGORITMI Members
- Study of the shielding of angular position sensors with magnetic transduction.Faria, A.; Fontainhas, J.; Araujo, D.; Cabral, J.; Rocha, L.A.2016 17th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems, EuroSimE 20162016
- Embedded Platform for Generic High-order Sigma-delta Accelerometers Testing.Brito, N.; Lima, V.; Alves, F.S.; Cabral, J.; Gaspar, J.; Monteiro, J.&amProcedia Engineering2016
- Body Attenuation and Path Loss Exponent Estimation for RSS-Based Positioning in WSN.Silva, H.D.; Afonso, J.A.; Rocha, L.A.Wireless Personal Communications2016
ALGORITMI Members
- Full-gap tracking system for parallel plate electrostatic actuators using closed-loop control.Esteves Moreira, E.; Lima, V.; Serra Alves, F.; Cabral, J.; Gaspar, J.; Rocha, L.A&aSensors and Actuators, A: Physical2016
- Digital platform for wafer-level MEMS testing and characterization using electrical response.Brito, N.; Ferreira, C.; Alves, F.; Cabral, J.; Gaspar, J.; Monteiro, J.; RSensors (Switzerland)2016
- Low-voltage, High-tuning Range MEMS Variable Capacitor Using Closed-loop Control.Moreira, E.E.; Cabral, J.; Gaspar, J.; Rocha, L.A.Procedia Engineering2016
- Compensatory Postural Adjustments in an Oculus Virtual Reality Environment and the Risk of Falling in Alzheimer's Disease.Gago, M.F.; Yelshyna, D.; Bicho, E.; Silva, H.D.; Rocha, L.; Lurdes Rodrigues&cDementia and Geriatric Cognitive Disorders Extra2016
- Analysis and Characterization of Thermal-Piezoresistive MEMS Resonators.Coelho, C.; Gaspar, J.; Rocha, L.Procedia Engineering2016
ALGORITMI Members
- Enhanced printability of thermoplastic polyurethane substrates by silica particles surface interactions.Cruz, S.; Rocha, L.A.; Viana, J.C.Applied Surface Science2016
ALGORITMI Members
- Performance Comparison of Sigma-delta Modulator Architectures for MEMS Accelerometers Using a Fully-Digital Approach.Lima, V.; Brito, N.; Alves, F.S.; Cabral, J.; Gaspar, J.; Rocha, L.A&Procedia Engineering2016
- Compensatory postural adjustments in Parkinson's disease assessed via a virtual reality environment.Yelshyna, D.; Gago, M.F.; Bicho, E.; Fernandes, V.; Gago, N.F.; Costa, L&Behavioural Brain Research2016
- Analysis of the Effect of Module Thickness Reduction on Thermoelectric Generator Output.Brito, F.P.; Figueiredo, L.; Rocha, L.A.; Cruz, A.P.; Goncalves, L.M.&Journal of Electronic Materials2016
ALGORITMI Members
- Inkjet Printed Pressure Sensing Platform for Postural Imbalance Monitoring.Cruz, S.; Dias, D.; Viana, J.C.; Rocha, L.A.IEEE Transactions on Instrumentation and Measurement2015
ALGORITMI Members
- Carbon nanotubes: The challenges of the first syntheses trials.Coelho, C.A.; Sep\'ulveda, A.T.; Rocha, L.A.; Silva, A.F.BIODEVICES 2015 - 8th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 8th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 20152015
ALGORITMI Members
- High-performance pull-in time accelerometer.Dias, R.A.; Alves, F.S.; Costa, M.; Fonseca, H.; Cabral, J.; Gaspar, J&am2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 20152015
- Bi-directional extended range parallel plate electrostatic actuator based on feedback linearization.Moreira, E.E.; Alves, F.S.; Dias, R.A.; Costa, M.; Fonseca, H.; Cabral&aProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)2015
- The effect of levodopa on postural stability evaluated by wearable inertial measurement units for idiopathic and vascular Parkinson's disease.Gago, M.F.; Fernandes, V.; Ferreira, J.; Silva, H.; Rodrigues, M.L.; Rocha&commGait and Posture2015
ALGORITMI Members
- Implantable flexible pressure measurement system based on inductive coupling.Oliveira, C.C.; Sep\'ulveda, A.T.; Almeida, N.; Wardle, B.L.; Da Silva, J&pIEEE Transactions on Biomedical Engineering2015
ALGORITMI Members
- Fabrication and characterization of polymeric three-axis thermal accelerometers.Silva, C.; Noh, J.; Fonseca, H.; Pontes, A.; Gaspar, J.; Rocha, L.A.Journal of Micromechanics and Microengineering2015
ALGORITMI Members
- TRIZ and the paradigms of social sustainability in product development endeavors.Hede, S.; Ferreira, P.V.; Lopes, M.N.; Rocha, L.A.Procedia Engineering2015
- Embedded MEMS platform for structure test and characterization.Brito, N.; Alves, F.S.; Cabral, J.; Gaspar, J.; Monteiro, J.; Rocha, L.A&Procedia Engineering2015
- Role of the visual and auditory systems in postural stability in alzheimer's disease.Gago, M.F.; Fernandes, V.; Ferreira, J.; Yelshyna, D.; Silva, H.D.; Rodrigues&cJournal of Alzheimer's Disease2015
- Real-Time Operation and Characterization of a High-Performance Time-Based Accelerometer.Dias, R.A.; Alves, F.S.; Costa, M.; Fonseca, H.; Cabral, J.; Gaspar, J&amJournal of Microelectromechanical Systems2015
- Gas viscosity sensing based on the electrostatic pull-in time of microactuators.Dias, R.A.; De Graaf, G.; Wolffenbuttel, R.F.; Rocha, L.A.2014
ALGORITMI Members
- Thermal compensated pull-in voltage MEMS inclinometers.Alves, F.S.; Dias, R.A.; Cabral, J.; Gaspar, J.; Rocha, L.A.Procedia Engineering2014
- Full-gap tracking system for parallel-plate electrostatic microactuatores.Moreira, E.E.; Alves, F.S.; Dias, R.A.; Cabral, J.; Gaspar, J.; Rocha&amProcedia Engineering2014
- Piezoresistive polymer accelerometer.Martins, L.F.; Silva, C.S.; Mendes, B.; Azevedo, M.; Pontes, A.J.; RochaProcedia Engineering2014
ALGORITMI Members
- A telerehabilitation system based on wireless motion capture sensors.MacEdo, P.; Afonso, J.A.; Rocha, L.A.; Simoes, R.2014
ALGORITMI Members
- High-Resolution MEMS Inclinometer Based on Pull-In Voltage.Alves, F. S.; Dias, R. A.; Cabral, J. M.; Gaspar, J.; Rocha, L. A.2014
ALGORITMI Members
ALGORITMI Members
- Flexible pressure mapping platform for mobility monitoring applications.Cruz, S.; Dias, D.; Viana, J.C.; Rocha, L.A.2014
ALGORITMI Members
ALGORITMI Members
- Analysis of postural kinetics data using Artificial Neural Networks in Alzheimer's Disease.Ferreira, J.; Gago, M.F.; Fernandes, V.; Silva, H.; Sousa, N.; Rocha, L.&IEEE MeMeA 2014 - IEEE International Symposium on Medical Measurements and Applications, Proceedings2014
- Detection of gait events and assessment of fall risk using accelerometers in assisted gait.Tereso, A.; Martins, M.; Santos, C.P.; Vieira Da Silva, M.; Gonçalves, L.; Rocha&am2014
ALGORITMI Members
- Experimental performance comparison of indoor positioning algorithms based on received signal strength.Silva, H.D.; Afonso, J.A.; Rocha, L.A.Lecture Notes in Engineering and Computer Science2014
ALGORITMI Members
- The use of polymeric technologies for functional 3D Microdevices.Silva, C.S.; Noh, J.; Pontes, A.J.; Gaspar, J.; Rocha, L.A.Procedia Engineering2014
ALGORITMI Members
- High resolution pull-in inclinometer.Alves, F.S.; Dias, R.A.; Cabral, J.; Gaspar, J.; Rocha, L.A.2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 20132013
- A self-tunable dynamic vibration absorber analysis, modulation and simulation for parkinsonian tremors.Teixeira, C.; Bicho, E.; Rocha, L.; Gago, M.Proceedings - UKSim 15th International Conference on Computer Modelling and Simulation, UKSim 20132013
- A self-tunable dynamic vibration absorber: Parkinson's Disease's tremor suppression.Teixeira, C.J.; Bicho, E.; Rocha, L.A.; Gago, M.F.3rd Portuguese Bioengineering Meeting, ENBENG 2013 - Book of Proceedings2013
- A fully integrated three-axis thermal accelerometer.Silva, C.S.; Pontes, J.; Viana, J.C.; Rocha, L.A.; Gaspar, J.2013
ALGORITMI Members
- Full elastic constitutive relation of non-isotropic aligned-CNT/PDMS flexible nanocomposites.Sepúlveda, A.T.; Guzman De Villoria, R.; Viana, J.C.; Pontes, A.J.; Wardle, B&2013
ALGORITMI Members
- A self-tunable dynamic vibration absorber for tremor suppression.Teixeira, C.J.; Bicho, E.G.; Gago, M.F.; Rocha, L.A.Proceedings of the IASTED International Conference on Biomedical Engineering, BioMed 20132013
- Incorporating sustainability in decision-making for medical device development.Hede, S.; Nunes, M.J.L.; Ferreira, P.F.V.; Rocha, L.A.2013
- FPGA controlled MEMS inclinometer.Alves, F.S.; Dias, R.A.; Cabral, J.; Rocha, L.A.; Monteiro, J.IEEE International Symposium on Industrial Electronics2013
- Gas viscosity MEMS sensor based on pull-in.Dias, R.A.; De Graaf, G.; Wolffenbuttel, R.F.; Rocha, L.A.2013
ALGORITMI Members
- Low cost pressure mapping platform for mobility monitoring applications.Cruz, S.; Vieira, N.J.; Viana, J.C.; Rocha, L.A.2013
ALGORITMI Members
- Autonomous MEMS inclinometer.Alves, F.S.; Dias, R.A.; Cabral, J.; Rocha, L.A.Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)2012
- Mechanical properties of stent-graft materials.Santos, I.C.T.; Rodrigues, A.; Figueiredo, L.; Rocha, L.A.; Tavares, J.M&peri2012
ALGORITMI Members
- Design of a 3-axis thermal accelerometer using an electro-thermo-fluidic model.Rocha, L.A.; Silva, C.S.; Pontes, A.J.; Viana, J.C.2012
ALGORITMI Members
ALGORITMI Members
- Closed-loop operated time-based accelerometer.Dias, R.A.; Macedo, P.J.; Silva, H.D.; Wolffenbuttel, R.F.; Cretu, E.&2012
ALGORITMI Members
- Medical device specificities: Opportunities for a dedicated product development methodology.Santos, I.C.; Gazelle, G.S.; Rocha, L.A.; Tavares, J.M.R.S.2012
ALGORITMI Members
- Evolution of the cost-effectiveness of endovascular and open surgical repair of abdominal aortic aneurysms.Santos, I.C.T.; Scott Gazelle, G.; Rocha, L.A.; Tavares, J.M.R.S.Journal of Medical Devices, Transactions of the ASME2012
ALGORITMI Members
- Modeling of the medical device development process.Santos, I.C.T.; Gazelle, G.S.; Rocha, L.A.; Tavares, J.M.R.S.2012
ALGORITMI Members
- Development of a flexible pressure sensor for measurement of endotension.Santos, I.C.T.; Manuel, J.; Tavares, R.S.; Sepúlveda, A.T.; Pontes, A&2011
ALGORITMI Members
- Pull-in-based μg-resolution accelerometer: Characterization and noise analysis.Dias, R.A.; Cretu, E.; Wolffenbuttel, R.; Rocha, L.A.2011
ALGORITMI Members
- Sensitivity linearization technique for a time based MEMS accelerometer.Dias, R.A.; Wolffenbuttel, R.F.; Cretu, E.; Rocha, L.A.2011
ALGORITMI Members
- A microinjected 3-axis thermal accelerometer.Rocha, L.A.; Silva, C.S.; Cerqueira, M.F.; Ribeiro, J.F.; Goncalves, L&period2011
ALGORITMI Members
- Flexible sensor for blood pressure measurement..Sepúlveda, A.T.; Pontes, A.J.; Viana, J.C.; de Villoria, R.G.; Fachin,2011
ALGORITMI Members
- Development of medical devices: Advantages of a methodic approach.Santos, I.C.T.; Gazelle, G.S.; Rocha, L.A.; Tavares, J.M.R.S.2011
ALGORITMI Members
- Auto-calibration of capacitive MEMS accelerometers based on pull-in voltage.Rocha, L.A.; Dias, R.A.; Cretu, E.; Mol, L.; Wolffenbuttel, R.F.2011
ALGORITMI Members
- Flexible sensor for blood pressure measurement.Sepulveda, A.T.; Pontes, A.J.; Viana, J.C.; De Villoria, R.G.; Fachin, F&peri2011
ALGORITMI Members
- A possibility for pos-EVAR surveillance: A novel smart stent-graft.Santos, I.C.T.; Tavares, J.M.R.S.; Rocha, L.A.; Sampaio, S.M.&s2011
ALGORITMI Members
- Squeeze-film damper design with air channels: Experimental verification.Dias, R.A.; Wolffenbuttel, R.F.; Cretu, E.; Rocha, L.A.2011
ALGORITMI Members
- Design of a time-based micro-g accelerometer.Dias, R.A.; Mol, L.; Wolffenbuttel, R.F.; Cretu, E.; Rocha, L.A.2011
ALGORITMI Members
- A novel soi-mems "micro-swing" time-accelerometer operating in two time-based transduction modes for high sensitivity and extended range.Rajaraman, V.; Hau, B.S.; Rocha, L.A.; Dias, R.A.; Makinwa, K.A.A&2011
ALGORITMI Members
- An enhanced reservation-based MAC protocol for IEEE 802.15.4 networks.Afonso, J.A.; Silva, H.D.; Macedo, P.; Rocha, L.A.Sensors2011
- Design of a pressure sensor for monitoring of post-endovascular aneurysm repair.Sepúlveda, A.T.; Pontes, A.J.; Viana, J.C.; Rocha, L.A.; Santos, I&2011
ALGORITMI Members
- Study of pressure sensors placement using an Abdominal Aortic Aneurysm (AAA) model.Rocha, L.A.; Sepúlveda, A.; Pontes, A.J.; Viana, J.C.; Santosh, I.C&am2011
ALGORITMI Members
- Nanocomposite flexible pressure sensor for biomedical applications.Sepúlveda, A.T.; Fachin, F.; Guzmán De Villoria, R.; Wardle, B.L.; Viana, J&p2011
ALGORITMI Members
- Characterization of a pull-in based μg-resolution accelerometer.Dias, R.A.; Cretu, E.; Wolffenbuttel, R.; Rocha, L.A.2010
ALGORITMI Members
- Design and modeling of a flexible contact-mode piezoresistive detector for time-based acceleration sensing.Rajaraman, V.; Hau, B.S.; Rocha, L.A.; French, P.J.; Makinwa, K.A.A&am2010
ALGORITMI Members
ALGORITMI Members
- Time-based micro-g accelerometer with improved damper geometry.Dias, R.A.; Rocha, L.A.; Mol, L.; Wolffenbuttel, R.F.; Cretu, E.2010
ALGORITMI Members
- Fast step-response settling of micro electrostatic actuators operated at low air pressure using input shaping.Mol, L.; Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2009
ALGORITMI Members
- Squeezed film damping measurements on a parallel-plate MEMS in the free molecule regime.Mol, L.; Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2009
ALGORITMI Members
- Squeezed film damping measurements on a parallel-plate MEMS in the free molecule regime.Mol, L.; Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2009
ALGORITMI Members
- A pull-in based test mechanism for device diagnostic and process characterization.Rocha, L.A.; Mol, L.; Cretu, E.; Wolffenbuttel, R.F.; MacHado Da Silva, J.2008
ALGORITMI Members
- Read-out calibration of a SOI capacitive transducer using the pull-in voltage.Mol, L.; Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.Journal of Micromechanics and Microengineering2008
ALGORITMI Members
- Mems antenna for wireless biomedical microsystems: Extremely small antenna for rf receivers in implantable devices.Mendes, P.M.; Rocha, L.A.2008
- Wearable sensor network for body kinematics monitoring.Rocha, L.A.; Correia, J.H.Proceedings - International Symposium on Wearable Computers, ISWC2007
- Wireless hydrotherapy smart-suit network for posture monitoring.Silva, H.R.; Afonso, J.A.; Morim, P.C.; Oliveira, P.M.; Correia, J.H&aIEEE International Symposium on Industrial Electronics2007
- Design and implementation of a real-time wireless sensor network.Afonso, J.A.; Silva, H.R.; Oliveira, P.M.; Correia, J.H.; Rocha, L.A&a2007 International Conference on Sensor Technologies and Applications, SENSORCOMM 2007, Proceedings2007
- Full-gap positioning of parallel-plate electrostatic MEMS using on-off control.Mol, L.; Cretu, E.; Rocha, L.A.; Wolffenbuttel, R.F.2007
ALGORITMI Members
- Experimental verification of rarefied gas squeezed-film damping models used in MEMS.Mol, L.; Cretu, E.; Rocha, L.A.; Wolffenbuttel, R.F.2006
ALGORITMI Members
- MAC protocol for low-power real-time wireless sensing and actuation.Afonso, J.A.; Rocha, L.A.; Silva, H.R.; Correia, J.H.Proceedings of the IEEE International Conference on Electronics, Circuits, and Systems2006
- On-off control for full-gap positioning of parallel-plate electrostatic mems.Mol, L.; Cretu, E.; Rocha, L.A.; Wolffenbuttel, R.F.2006
ALGORITMI Members
- Using dynamic voltage drive in a parallel-plate electrostatic actuator for full-gap travel range and positioning.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2006
ALGORITMI Members
- Measuring and interpreting the mechanical-thermal noise spectrum in a MEMS.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2005
ALGORITMI Members
- Pre-distorted sinewave-driven parallel-plate electrostatic actuator for harmonic displacement.De Graaf, G.; Mol, L.; Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2005
ALGORITMI Members
ALGORITMI Members
- Pull-in dynamics: Analysis and modeling of the transitional regime.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2004
ALGORITMI Members
- A full-system dynamic model for complex MEMS structures.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2004
ALGORITMI Members
- Analytical model for the pull-inTime of low-Q MEMS devices.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2004
ALGORITMI Members
- Analysis and analytical modeling of static pull-in with application to MEMS-based voltage reference and process monitoring.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2004
ALGORITMI Members
- Compensation of temperature effects on the pull-in voltage of microstructures.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2004
ALGORITMI Members
- Full characterisation of pull-in in single-sided clamped beams.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2004
ALGORITMI Members
- Quadrature oscillator with Pre-distorted waveforms for application in MEMS-based mechanical spectrum analyser.De Graaf, G.; Mol, L.; Rocha, L.; Cretu, E.; Wolffenbuttel, R.F.2004
ALGORITMI Members
- Behavioural analysis of the pull-in dynamic transition.Rocha, L.A.; Cretu, E.; Wolffenbutte, R.F.2004
ALGORITMI Members
- Mechanical spectrum analyzer in silicon using micromachined accelerometers with time-varying electrostatic feedback.Rocha, L.A.; Cretu, E.; De Graaf, G.; Wolffenbuttel, R.F.2003
ALGORITMI Members
- Stability of a micromechanical pull-in voltage reference.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2003
ALGORITMI Members
- Electro-mechanical feedback for realization of a mechanical spectrum analyzer.Cretu, E.; Rocha, L.A.; Wolffenbuttel, R.F.TRANSDUCERS 2003 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, Digest of Technical Papers2003
ALGORITMI Members
- Performance of integrated silicon infrared microspectrometers.Kong, S.-H.; De Graaf, G.; Rocha, L.A.; Wolffenbuttel, R.F.2003
ALGORITMI Members
- Stability of silicon microfabricated pull-in voltage references.Rocha, L.A.; Wolffenbuttel, R.F.2002
ALGORITMI Members
- The pull-in of symmetrically and asymmetrically driven microstructures and the use in DC voltage references.Rocha, L.A.; Cretu, E.; Wolffenbuttel, R.F.2002
ALGORITMI Members
- Micromechanical voltage reference using the pull-in of a beam.Cretu, E.; Rocha, L.A.; Wolffenbuttel, R.F.2001
ALGORITMI Members
From 2010 to 2014
At ALGORITMI- Researcher with PhD (Investigador Doutorado)
- Member of the MNBA R&D Line
Academic DegreePhD (Doutoramento)PositionAssociate Professor (Professor Associado) at Escola de Engenharia da Universidade do Minho
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