Synopsis:
We are becoming increasingly reliant on the software embedded in safety-critical medical devices, industrial robots, railway signalling systems, (semi-)autonomous cars, aircraft control systems and soft-drink dispensers (sic!). Producing and verifying these systems is a specialized form of software development and this type of development is currently facing rapidly-changing challenges. In this talk, Chris will outline some of these challenges, including the Safety of the Intended Functionality, the relationship between security and safety, and our exposure to intellectual debt. Although these problems are a long way from being solved, Chris will describe one approach that may become our place of refuge from the storm.
Presenter:
Chris Hobbs, Software Safety Specialist - Blackberry QNX
Chris Hobbs works for BlackBerry QNX as a programmer and system designer, specializing in the area of Safety-Critical development. His work includes both helping in the safety certification of QNX's products and working as a consultant with QNX's customers, helping them develop safe systems. He has over 50 years of programming experience, most recently in C, Python and Ada, and he is the author of several books including Embedded Software Development for Safety-Critical Systems (second edition). In his spare time Chris sings Schubert Lieder and is a keen pilot.
Presented by the Ottawa Section Young Professionals (YP) Affinity Group :
Share your Experience
Have you recently (or not-so-recently) transitioned from university or academia to a STEM career? We are planning a series of talks this summer to help the next generation of grads make this transition; they would love to hear your experiences and insights as they make the jump. Potential topics include:
☞ Industry vs. grad school
☞ Looking for a job
☞ Personal testimonies
☞ Personal life as a professional
☞ Keeping up to date
Please reach out if you are interested in speaking at one of the events.
Presented by the Ottawa Section AP/MTT - Microwaves/Antennas/Propagation Society:
Webinar: Spacecraft Antennas for Earth Science and Planetary Exploration Missions
Recent progress in antenna design and propagation modelling for Space Exploration will be discussed and illustrated through a wide range of successful NASA missions. NASA’s Jet Propulsion Laboratory has significantly contributed to the rapid growth of CubeSat antennas with the development of very innovative deployable antennas at X- and Ka-band. The Mars CubeSat One (MarCO) was enabled by a deployable X-band reflectarray that successfully transmitted back to Earth critical data from Insight during its Entry Descent and Landing (EDL) phase. A deployable Ka-band mesh reflector was developed for Raincube, the first radar in a CubeSat, which after a successful deployment on-orbit, is currently collecting precious precipitation data all over the globe.
NASA’s Jet Propulsion Laboratory has developed the first Mars helicopter: Mars Ingenuity. The helicopter has the capability to transmit to and receive data from a Mars Rover located at a distance ranging up to 1km. The antenna designs and propagation on the Mars surface will be addressed in this talk. Finally, a new type of dual-band circularly polarized X-band telecommunication antenna is under development for the potential Europa Lander whose goal is to find life on the icy moon of Jupiter, Europa. This antenna needs to survive cryogenic temperature and extreme radiation level while being completely flat and entirely made of metal.
This wide overview of missions and antenna developments aims at showing the different challenges antenna engineers have to face while designing antennas for space exploration.
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