Department of Mechanical Engineering

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Creativity+ innovation

In our department, we always push beyond the limits. Many of our students, alumni and researchers innovate for society. In those projects, they can count on Polytechnique Montréal for Entrepreneurship and Industrial Research.

technology Transfer

More than engineering, the creation of technologies.

Discover a few examples of innovative technologies from our department, in cooperation with Univalor:


Self-adaptive passive gripping accessory for mechanical gripper

Most manufacturers use, for handling their products during production or assembly, mechanical grippers on which they typically attach a set of jaws dedicated to grasping a particular geometry. However, a different set, often custom-made, must be used for each different object shape. The technology proposed here allows us to integrate, directly, on a classical industrial gripper, a set of mechanical fingers which can self-adapt to various shapes.

Simplify robotics by using self-adaptive mechanical fingers

With previous technology, Prof. Birglen has developed a method to generate innovative architectures to design self-adaptive fingers.


Vacuum-assisted pultruded thermoplastic biocomposite rods

The presented technology is reinforced thermoplastic rods from biosourced materials. Natural fibres have shown mechanical properties promising enough to replace conventional reinforcement materials in composites, and help tackle environmental issues. By Louis Laberge Lebel.

Additive manufacturing of piezoelectric sensors

Piezoelectric materials are used in a large variety of sectors due to their abilities to self-generate power. Prof. Therriault and his team managed to develop both a piezoelectric ink that does not require post-processing techniques and a one-step fabrication of interconnected piezoelectric and conductive material that can provide on-demand and custom-made sensors.

Highly conductive inks for 3D printing

3D printing technology is becoming a game changer for many companies due to the endless possibilities it offers. However, printing electrically conductive elements remain a challenge for both industrial players as well as individuals. Prof Therriault and his team managed to develop a cost-effective method for the production of high-performance conductive inks.

Acoustic foam with structural properties

Noise reduction is an issue that is raising great awareness in industrial sectors. However, current noise attenuation systems are either very expensive or do not provide sufficient acoustic properties with respect to their weight or structural effectiveness. Prof. Annie Ross and her team have mastered these challenges by developing an open cell thermoset foam with both very interesting acoustic absorption, mechanical properties, and ultimate control.

Highly conductive hybrid nanofibers for polymer 3D printing and thermal spray coating

New composite materials have been more and more in demand, given that they can combine more functionalities than other materials. In particular, composites that can provide high conductivity are highly desired by a broad range of sectors. By chemical deposition of metals on carbonaceous nanoparticles, they create hybrid nanofibers with an unseen conductivity/cost ratio.


Convolution approach of magnetic and electric repulsion to analyze an image: CAMERA-I

Machine vision (generally used whenever there is a need for visual control of a process or product) relies on a wide variety of mathematical methods to perform image segmentation as well as object grasping. Yet, some of these methods tend to reach their limits when confronted with complex shapes or uneven lighting whereas others' performances are shadowed by high computation time. The methods proposed here allow for the detection of complex shapes as well as holes and handles while requiring no iteration and very little computing time. By Dominique Beaini.

Decomposition of ground reaction forces for accurate gait analysis

Prof. Raison has developed a method of decomposition of ground reaction forces, measured on a force plate to evaluate gait, into individual components under the left foot and right foot. This method includes a systematic detection of transitions between phases of single and double foot support, for the accurate assessment of gait.

Cardiac Drainage Catheter

One of the common sequelae following cardiac surgery is the accumulation of fluid in the mediastinum. The catheter design presented here aims at increasing the volume of fluid drained, allowing for a shorter post-operative recovery. By André Garon.

fundamental research

La recherche reste le moteur de notre génie.

Among many publications, check our impact on the advancement of knowledge & Engineering.

Furthermore, our people published books and/or patents.


Oser. Dare to surpass your goals or surpass your dreams? Or create your future?

Professors, students, and alumni can start a business and improve the economy:

  • Jean-Philippe Carmona, Po 2016, co-founded Caboma. His company operates in Design for Additive Manufacturing (3D printing) and the Orthopedic Industry.
  • Jonathan Boissonneault-Glaou, an Undergraduate student, cofounded Maxen. The company designs software solutions to optimize buildings' energy efficiency.
  • Félix Bourassa-Moreau, a final year student, founded Entralpi.
  • Alexandre d'Armancourt, founded Falcon composite.
  • Alexandre Borowczyk, M. Eng. Aerospace Engineering, is CEO of DAC Drone.
  • Carl Breau, M. Eng. Mechanical Engineering, founded Saimen in China.

Valoriser les réalisations de la relève. We value our students’ achievements? Not sure about how to convey this thought in English

Our students are full of energy and creativity! Discover their journeys and projects in the Hall of fame!