How to Perform EMC Testing of Autonomous Vehicles

EMC testing . of autonomous vehicles is challenging because the involved systems are designed to identify unrealistic driving conditions, which is exactly what we have in a typical anechoic EMC chamber. When the system detects unrealistic conditions, autonomous driving functions are disabled or set to predefined states, which means that EMC testing of autonomous functions is not possible. To fully test autonomous driving systems, we therefore need to emulate a realistic environment in many aspects, i.e., we need to stimulate involved sensors in a realistic way.

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EMC FILTERS: Design, Selection and Installation of Power and Signal lines filters

Our former . eight EMC articles were aimed at familiarizing unaware readers with the fundamentals of EMI/EMC, justifying the EMC norms and testing, and explaining in simple terms the five basics interference coupling mechanisms, with the essential guidelines for controlling them. The present article goes deeper into one of the simplest, most compact and economical piece of the entire EMC arsenal: the filter. With current handling ranging from tens of Amp for signal filters up to more than hundred Amps for power line filters, they exist in all sorts of size, volume and packaging. They can be optimized against Common Mode (CM) or Differential Mode (DM) interference, or both.

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What Does the Future Hold for Positioning, Navigation and Timing?

In the past . 30 years, more and more devices have started using the US Global Positioning System (GPS) and related global navigation satellite systems (GNSS). This trend contributed to Europe’s decision to create its own system, Galileo, and this began offering initial services at the end of 2016. As well as Galileo, the Indian Regional Navigation Satellite System (IRNSS) now has a full constellation, and there are rapid developments in several commercial industries. So, 2017 promises to be an interesting year for developments in GNSS. Here are a few of the industry changes we expect to see this year…

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EMC Challenges of the Internet of Things

The technical development . towards the full vision of the Internet of Things (IoT) will affect the area of Electromagnetic Compatibility (EMC) in a number of ways. IoT may even be the most challenging issue for the EMC area since it was born about 100 years ago.

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Channel Operating Margin, COM, a new method to compliance check high speed serial links

The Channel Operating Margin . (COM) is a figure of merit for a channel derived from a measurement or simulations of its scattering parameters. COM is a method to compliance check if a channel will work with a variety of different transmitters and receivers. The COM method reduces the overdesign that many other compliance check methods suffer from. The risk of overdesign increases with the speed of the link. The higher the speed is the higher is the risk of overdesign with added extra cost as result.

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Shielding of Boxes and Enclosures (Part 2)

Our former . EMC articles reviewed the principal conduction and radiation coupling mechanisms, as they affect equipment/system susceptibility, and the last one (EMC Article #5, June Issue) was addressing Shielded Cables. The present article is focusing on the shielding of equipment boxes, from the smaller hand-held devices up to large cabinets or even entire rooms.

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Social and Organizational Aspects on EMC for Internet of Things

The ongoing technical development towards the full vision of the Internet of Things will affect the area of EMC in the way that an increased consideration of social and organizational aspects will be needed in addition to the more or less traditional engineering approach that has characterized the EMC area up to now.

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EMC for wireless Communication systems in Vehicles – EMCCOM

EMCCOM . was a three year VINNOVA financed FFI project within the Vehicle Development program. EMCCOM started 2012-09-14 and ended 2015-06-30. The project had a total budget of 7,3 MSEK. Partners in the project were Volvo Cars, Volvo AB, Provinn AB, FOI Swedish Defence Research Agency and SP Technical Research Institute of Sweden.

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Shielding of Boxes and Enclosures (Part 1)

Our former . EMC articles reviewed the principal conduction and radiation coupling mechanisms, as they affect equipment/system susceptibility, and the last one (EMC Article #5, June Issue) was addressing Shielded Cables. The present article is focusing on the shielding of equipment boxes, from the smaller hand-held devices up to large cabinets or even entire rooms.

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LTE Advanced Pro: the mobile future of the Internet of Things

In the not too . distant future, the Internet of Things will connect several billions of devices to the Internet. This is only possible if cost-effective communications networks and wireless devices are available. By using wireless technologies such as Bluetooth®, ZigBee, Wi-Fi or cellular networks, almost anything, anywhere in the world, can be connected quickly and reliably to the Internet. The latest cellular technologies, eMTC and NB‑IoT, will play an important role in the success of the Internet of Things. These technologies pave already the way to 5G networks of the future optimized not only for enhanced mobile broadband applications but for the diverse IoT applications requiring massive machine type communication (mMTC) or ultra-reliable, low-latency communication (URLLC)

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