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Completed projects


Wireless Autonomous Aerodynamic Performance Monitor (APM) Sensing Device

Researchers :

René Jr. Landry (ÉTS)

Description :

Marinvent, a Canadian aerospace R&D company, has a uniquely new paradigm for airfoil boundary layer monitoring instrumentation with application issues that most likely can be addressed within a joint research project. The proposed research area has far reaching implications in the areas of stall prediction, warning and protection for existing and future civilian and military airplanes. At present, Marinvent has an Aerodynamic Performance Monitor system, referred to as the APM. The system intends to provide the airfoil true lift margin to the airplane’s crew in real time such as stall warning under clean, contaminated or iced airfoil, correct stall prediction in the take-off roll, shock stall protection and tail & fin stall protection. A data acquisition and transmission mechanism is in need to perform rapid and nonintrusive installation of the APM sensor mast. Specifically, the main objective of the proposed ENGAGE grant is to design appropriate digital signal processing solutions that can be implemented in such a way as to wirelessly transmit digital data in an airborne electromagnetic environment. One targeted solution is to digitize the sensor output immediately inside the mast. A second consideration will be to design wireless data transmission protocol for real-time multi-mast communication. In fact, to transfer data wirelessly under safety-critical circumstances such as airborne applications, a number of constrains are to be met by the selected RF transmitting scheme. To be consistent with national standards and to ensure enough sensitivity, a comprehensive analysis of the impact of the RF transmission scheme will be done. To overcome these limitations research into modulation scheme will be done not only for RF up-conversion but also for efficient spectrum management, both of which will be implemented on the in-mast signal processing platform. Accordingly, new mast to accommodate the modified signal processing platform will be investigated to optimize space for wireless technology and power supply.


Partners :

partenaire_1

Développement d’un outil de mesure de la manœuvre du ‘pivot shift’

Researchers :

Nicola Hagemeister, Jacques De Guise, Rachid Aissaoui, René Jr. Landry (ÉTS) Julio Fernandes, Patrick Lavigne (Université de Montréal)

Description :

The goal of the present project is to develop biomedical technologies using ITC for the conception of a tool that will measure a clinical maneuver called ‘pivot shift’. This clinical test is used in clinics for the diagnosis of knee ligament ruptures. The tool will provide a quantitative measurement of the shift. This measurement will correlate with the grade, attributed by the clinician during the pivot shift. To do this, the tool will first be conceived, machined and pre-validated. To validate the precision of the tool, we intend to proceed to a fluoroscopic study. This step will allow the quantification of the relative movement between the tool and the underlying soft tissues. Once validated, we believe that the tool will be very useful in clinics for an objective diagnosis, allow a better post-operative follow-up and develop rehabilitation protocols leading to functional recovery of the knee. To facilitate clinical use and transfer to the consumer, another aim of the project will consist in reducing the number of sensors by using MEMS (Micro-Electro-Mechanical Systems) technologies and micro-electronics and to make the system wireless.


Partners :

partenaire_1 partenaire_2 partenaire_3

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