Jan Heinen successfully defended "Optimal Skateboard Geometry for Maximizing Ollie Height". He developed a skateboard and skateboarder model capable of performing an ollie. He used trajectory optimization to maximize the height of the skateboard ollie under physiological and dynamic constraints. Then he used his solver to optimize the skateboard's geometry …

Dorus de Boer successfully defended "Modeling a Professional Road Cycling Race To Determine the Fastest Wheel-Tire Combination". He developed a simulation based model that can assess past road races and test whether different wheels and tires would have improved the overall race time. This information can be used to inform …

Simonas Draukšas successfully defended "Using Model Predictive Control on a Steer-by-Wire Bicycle for Performance Assistance". Simonas developed a real-time MPC controller to assist a bicyclist in making lane change maneuvers on a treadmill in a semi virtual environment. His goal was to determine if adding MPC control from the steer …

Daniël Landré successfully defended "Predicting cycling risk at intersections with natural cycling data for speed-controlled e-bikes". He determined the sizes required for geo-fence speed control of e-bikes when you turn off the assistance motor power. The sizes can be large for urban areas, requiring urban cores to mostly covered, but …

Ajaypal Singh successfully defended "Investigation of the chatter and squeal phenomenon in bicycle disc brakes". He developed methods to experimentally determine combinations of bicycle components that cause disc brake noise, developed an FEA model that can predict disc brake squeal frequencies, and introduced simple countermeasures that reduce unwanted squealing noises …

Hans Dorsch, from Heise Online visited the Bicycle Lab to interview us and test out the steer assist prototype. His article can be found here: https://www.heise.de/hintergrund/Assistierte-Radtour-Selbstlenkendes-E-Bike-im-Test-7074981.html

BBC World Service sent two reporters to interview us and try out some bicycles that challenge your ability to ride a bicycle with a goal to answer the question "How do you balance on a bicycle?" They asked very deep questions and the presentation of the ideas from the interviewed …

Francesca Andretta successfully defended "Learning cycling styles using experimental trajectory data with Inverse Reinforcement Learning". She developed methods to characterize whether a bicyclist was behaving more cautiously or more aggressively in their riding style based on GPS positioning data. Francesca was co-supervised by Azita Dabiri in the Delft Center for …

Shannon van de Velde has successfully defeneded "Design of a setup for experimental research on stability of a bicycle-rider system subject to large perturbations" Everyone at the bicycle lab is very proud of Shannon and wishes her the best! Shannon will move to Belgium for a new engineering position.

Jelle Haasnoot successfully defended "Design and Validation of Steer, Roll, Yaw and Sway Motion of a Kinematics-Based Bicycle Simulator. Everyone at the bicycle lab is very proud of Jelle and wishes him the best! Jelle will move into a full time position at Tacx and will likely mentor some future …

The TU Delft Bicycle Lab has been awarded approximately one third of a $350k grant to the SymPy project from the Chan-Zuckerberg Foundation as part of their "Essential Open Source Software for Science" program. SymPy is joining a host of exciting open source software projects in this program. This is …

See this link for the video and article (in Dutch): https://www.hartvannederland.nl/nieuws/olympische-spelen/ontwerper-fiets-baanwielrenners-trots-op-gouden-plak

Joris Kuiper successfully defended "Development of an Integrated Bicycle Accident Detection System: Introducing ALARM: Accident Localisation And Recognition Method". His system is designed for future Gazelle electric bikes. Joris has accepted a position at Gearbox to develop agricultural robots following graduation. Congrats to Joris!

Jan Groenhuis successfully defended "Experimental data-tracking of the BMX SX gate start using biomechanical modeling and trajectory optimization". Everyone at the bicycle lab is very proud of Jan and will miss him! Jan is off to European bicycle tour as his first new venture.

Georgios Dialynas successfully defended his thesis.

Georgios Dialynas will defend his Bicycle Lab PhD thesis September 15 at 12:30 CEST.

The lab is moving to TU Delft this summer.

Lab co-awardees of $5M Department of Education Grant