Department of Electrical Engineering (ISY)

Computer Vision

In large-scale emergencies caused by natural disasters, terrorist attacks or major accidents, blue-light forces and mission control need instantaneous info and visualization of the scenario, usually provided in terms of Hastily Formed Networks.

Data-based Ship Modeling for Marine Automation

How can sensor data and data-based modeling be used to make cargo ships more efficient, with the long-term goal to develop fully autonomous ships? This is the topic in this industry-oriented research project.

Resource Allocation and Energy Efficiency in Wireless Networks

The demand for wireless data traffic increases exponentially. To keep up with the growth, an ambitious but necessary goal for the next generation wireless networks is to deliver 1000x higher data rates per km2 than today.

Iterative learning control based on sensor fusion

The aim of the research is to improve the accuracy of industrial robots by using Iterative Learning Control in based on estimates of signals obtained by sensor fusion.

Quantum Information Theory

Energy-Efficient Digital Signal Processing

Energy efficiency in signal processing hardware is vital for several reasons, in particular to reduce the environmental impact, to increase stand-by times, to make batteries smaller and lighter, and to simplify the cooling of circuits.

Physical layer security in massive MIMO

The inherent openness of the wireless channel makes wireless communication between two legitimate parties susceptible to attacks from a third party, the adversary. These attacks can be divided into two classes: eavesdropping and jamming.

Popular science description of the activities at Communication Systems

Today's society relies more and more on fast and secure communications infrastructure. This is a trend that will continue. Information technology, and especially perhaps mobile communications, has changed people's lives.

Programming their future colleague

What can an engineering career involve? First-year master’s students of applied physics and electrical engineering are gaining experience through their first development project – programming the Yumi collaborative robot from ABB.

Researchers critical to flawed Covid-19-models

Reports from Imperial College regarding the spread and the effects of Covid-19 had considerable policy impacts in several European countries. But the models that informed the reports have considerable flaws, according to LiU-researchers.

Twelve million crowns from Horizon 2020

Two projects at Linköping University have received funding from the EU’s Horizon 2020 initiative. One is about equipment for monitoring air pollution; the other concerns interruption-free wireless communication.

Four LiU researchers among the most cited in the world

Four researchers from LiU claim places on the 2020 Web of Science list of the most highly cited researchers in the world.

Summer job success, despite incomplete project

They didn’t manage to complete the project as intended, but the summer job at Newton Nordic still exceeded their expectations. “Now I’m sure that the education I chose was exactly right for me”, says LiU student Viktor Uvesten.

Teaching award to Svante Gunnarsson

Professor Svante Gunnarsson of the Division of Automatic Control at the Department of Electrical Engineering (ISY) has been awarded the Institute of Technology’s prize for outstanding teaching.

SEK 81 million to research in science and technology

The Swedish Research Council has granted SEK 81 million to research at LiU. Twenty-two researchers have been awarded grants for projects in fields that include organic electronics, visualisation, and machine learning.

Lars Eriksson awarded again

Professor Lars Eriksson of the Division of Vehicular Systems at Linköping University has received a “Best Paper Award” at the 21st IFAC World Congress 2020 in Berlin, Germany.

Trucks with trailers can manoeuvre autonomously

Reversing a heavy truck with trailers is a job for a skilled professional driver – or a set of sensors and advanced computer software. Oskar Ljungqvist presents in his doctoral thesis a major step towards self-driving trucks.

LiU students present cybersecurity report

Digitalisation is making us increasingly dependent on being online, which means that we are increasingly vulnerable to cyberattacks. LiU students Emmy Englund and Linnéa Tullin have written an in-depth report on cybersecurity in Sweden.

Major progress towards high-dimensional quantum communication

A quantum mechanical random generator that functions with high security has been developed by a research group in which LiU researcher Guilherme Xavier is a member. The result opens the way for high-dimensional quantum communication.

Lasse illuminates distance learning

As the coronavirus swept over us, Lasse Alfredsson in the Department of Electrical Engineering was already well set up for distance teaching. He uses video and a lightboard he built himself to make sure that the students can take part in teaching.

Kamiar’s thesis defence – online!

When it was time for Kamiar Radnosrati to defend his thesis, there was a risk that everything would be postponed because of the new coronavirus. But instead he got to write history at the Department of Electrical Engineering.

Quantum computers and photonics to attract students

“We have seen increasing interest from students for quantum computers, quantum cryptography and photonics, says Jan-Åke Larsson, who has taken the initiative to a new profile within Applied Physics and Electrical Engineering.

Michael Felsberg: Deep learning led to a gold rush

“We have been teaching deep learning in both undergraduate and postgraduate courses for several years", says Michael Felsberg, one of Sweden’s best AI researchers.

Five future research leaders at LiU

The Swedish Foundation for Strategic Research has selected 20 young researchers as Future Research Leaders. Five are active at LiU. Each receives SEK 12 million in a five-year period and the opportunity to participate in a leadership programme.

Swedish Research Council grant for secure quantum communication

The Swedish Research Council has awarded SEK 1.4 million to SECRET, a European collaborative project to increase security in quantum communication. The project, with a budget of EUR 340,000, will be coordinated by LiU researcher Guilherme Xavier.

Wireless communication by the metre

Is there a poor mobile signal? In that case, buy a few metres of radio stripe and set it up where it's practically invisible. Researchers at LiU and Ericsson have developed patented technology to make this possible: antennas by the metre.

Three LiU researchers appointed Wallenberg Academy Fellows

Emil Björnson, Magnus Jonsson and Marcin Szczot, have been appointed Wallenberg Academy Fellows. Five-year research grants from the Knut and Alice Wallenberg Foundation makes it possible for young researchers to make breakthroughs.

LiU researchers receive SEK 97 million from Swedish Research Council

27 researchers in natural and engineering sciences at LiU have been awarded nearly SEK 97 million for the coming four years from the Swedish Research Council. Five young researchers have received grants to build up their own research group.

Students looking for a missing person in Kolmården Wildlife Park

Someone’s lost in the Kolmården Forest and around 40 students must find him before he wanders into the elephant enclosure. They are using the electronic footprints he has made. Can they manage it? Indeed they can – and it doesn’t take them long.

A computer algorithm to recognise and follow objects

Master's graduate Goutam Bhat has been awarded the Christer Gilén Scholarship for 2019 in the field of statistics and machine learning. The scholarship recognises his work in computer vision.

LiU alumnus, Christer Gilén want to give something back

Christer Gilén has set up two prizes for engineering students at his alma mater. The objective of his donation is to encourage student essays or projects that can lead to applications in the private or public sectors.

Major successes for multidisciplinary research at LiU

The Swedish Foundation for Strategic Research has granted SEK 200 million for research in the interface between technology and medicine. LiU scientists are principle investigator in three of the six projects, and co-applicant in a fourth.

LiU welcomes employees of the future

“Don’t start the meeting without me – it’s warm in here, I want to get out”, says YuMi, interrupting Vice-Chancellor Helen Dannetun who is welcoming her guests from ABB to LiU and the new Studenthuset.

Model aircraft to improve flight testing

Roger Larsson presents a doctoral thesis in which he has looked at several methods to optimise the modelling methods used to test and develop aircraft. He has also used model airplanes from colleagues.

Spreading light over quantum computers

Scientists at Linköping University have managed to simulate quantum computer properties in a classical computer. “Our results should be highly significant in determining how to build quantum computers”, says Professor Jan-Åke Larsson.

LiU researchers participate in search for MH370

In March 2014, a Malaysian airplane appeared to completely disappear when flying from Kuala Lumpur to Beijing. Satellite data suggested that it crashed into the Indian Ocean. Researchers from LiU are helping in the search for the plane.

Autonomous vehicles learn to find the best path

Kristoffer Bergman, doctoral student in Automatic Control, describes in his licentiate thesis methods to enable autonomous vehicles find the fastest or most energy-efficient path from starting point to a destination, even if obstacles are in the way.

Flying vehicles find their own path

Flying vehicles, manned and unmanned, are today equipped with large numbers of sensors. The vehicles are still controlled manually, but WASP doctoral student Per Boström-Rost shows in his licentiate thesis how the control can be made more autonomous.

Future sea rescue systems at Gränsö Manor

The next major demonstration of autonomous sea rescue is being planned here. Forty-five people have gathered at Gränsö Manor. Researchers and technologists, doctoral students and undergraduates – everyone is working towards the same goal.

Finding boat locations using images

In his doctoral thesis, Bertil Grelsson shows that it is perfectly possible to navigate at sea and in the air with the aid of images. As long as it’s not too misty. The methods provide an important component in safe and robust navigation.

Three new Wallenberg Scholars at LiU

Three professors at LiU, Anders Ynnerman, Erik G. Larsson and Igor Abrikosov, have been selected as Wallenberg Scholars in 2019, which means that they each receive SEK 18 million for free research in the coming five years.

Trucks can also manoeuvre autonomously

Oskar Ljungqvist, PhD student at the Division of Automatic Control at LiU, describes in his licentiate thesis the development of a system for motion planning and control, that enables trucks with trailers to move autonomously.

Increase in mobile traffic requires higher energy efficiency in networks

In only a few year’s time, mobile networks will be required to transmit 100 times more data, which can give rise to a 100-fold increase in energy consumption. Emil Björnson has calculated how energy-efficient the networks can become.

Pioneers in structured common sense

Developed by LiU and other universities, CDIO is the framework for an updated engineering programme that is currently used at universities worldwide. Now LiU is first to implement CDIO in medical education, in its first international BSc programme.

Four-legged robot brings help in disasters

In a recently concluded project in Horizon 2020, researchers and developers from three European countries have created new technology for a disaster-response robot. The robot is intended for use in dangerous environments.

Vinnova to support agricultural technology

The objective of Agtech 2030 is to make eastern Götaland a world-leader in agricultural technology. The programme is selected by Vinnova as a Vinnväxt programme. It has a total budget of nearly SEK 200 million, of which SEK 70 million from Vinnova.

LiU researchers among the most cited in the world

Four researchers from LiU claim places on the 2018 list of the most highly cited – and thus most influential – researchers in the world.

Testing new sensors for Skeldar

Companies that participate in the Vinnova-funded Link-Sic competence centre can obtain help from students during the summer. Sara Nilsson and Julius Kokko Ekholm tested navigation sensors for unmanned helicopters.

Best Paper Award to Lars Eriksson

Professor Lars Eriksson of the Division of Vehicular Systems has received an award at the 2018 Dynamic Systems and Control Conference in Atlanta, USA.

New agreement brings hope for rhinos

A new agreement has been signed this summer to continue the collaboration to save Africa’s rhinos from poachers. “The number of rhinos is increasing in Kenya, the only country in Africa where this is happening", says Professor Fredrik Gustafsson.

3D models from cheap video cameras

Hannes Ovrén shows in his doctoral thesis in computer vision how 3D models can be created from video films recorded with simple cameras. The research opens new possibilities for both robots and humans, not least for the police and rescue services.

Top 100 placing for LiU in more subjects

Linköping University is among the 100 foremost institutions of higher education in the world in five subjects, according to the Shanghai ranking, one more than last year. In the overall ranking, however, LiU has dropped to place 352.

WASP doctoral student with a focus on safety

The many sensors with which cars are now fitted can be used to create active safety systems. In his licentiate thesis, Victor Fors examines how a car behaves when it is at the very limit of what it can achieve when avoiding a collision.

Industrial collaboration worth copying

Aline Kraemer and Marcelo Costa are Brazilian guest researchers at the Division of Automatic Control. Their six-month visit will soon come to an end. As they travel home, they take with them memories, insights and ideas about new ways of working.

LiU a leader within AI

When Vinnova recently surveyed research within artificial intelligence in Sweden, Linköping University was ranked a strong second. One of the leading AI environments in Sweden can be found at the Computer Vision Laboratory at Linköping University.

Highly cited LiU articles on computer vision

When Martin Danelljan defends his doctoral thesis in a few weeks’ time, he will already have published more than ten scientific articles, and been cited more than 2,000 times. The group is a pioneer in object tracking, a hot topic in AI research.

Core Competence Workshop 2018

May 21‐22 the LINK‐SIC Competence Center arranged a two‐day workshop about theory, applications, and software for optimal control. The workshop was led by Dr Joris Gillis, KU Leuven, who is one of the developers of CasADi.

The results of the Big Bell Test are in

3,283 people in Sweden, among them pupils at Katedralskolan in Linköping, participated in a huge experiment that challenged Einstein’s ideas about how the world works on the scale of quantum mechanics. The results have now been published in Nature.

Unlimited capacity in wireless networks with massive MIMO

Massive MIMO is an antenna technology that is considered the most promising for future superfast 5G networks. LiU researcher Emil Björnson and colleagues has shown that there is no upper limit for how much data that can be transferred.

Gunnar Bark to head WASP arenas

Gunnar Bark, long-time manager for Ericsson’s research activities in Linköping, is to take over as director of WARA, the Wallenberg Research Arenas, an important part of the WASP research initiative. The role brings challenges.

Collaboration at its very best

The ten-year, highly productive collaboration between Linköping University, ABB Corporate Research, ABB Robotics, Saab Aeronautics and Scania is to be continued and extended in the Vinnova-funded competence centre, LINK-SIC.

A long tradition of collaboration

Since the start of the 1990s, close collaboration based on mutual respect has been built up between researchers at LiU and large companies such as ABB, Ericsson, Scania and Saab. This collaboration has resulted in many major projects.

Billion kronor programme for Swedish AI research

The Knut and Alice Wallenberg Foundation has granted an additional billion Swedish kronor to extend the Wallenberg Autonomous Systems and Software Program (WASP), with a broad investment into artificial intelligence.

Swedish-Chinese collaboration in 5G technology

People say that 5G will be upon us in 2020, offering 1000 times more traffic at rates of hundreds of Mbit/s. There are many research projects in 5G under way, but probably only one of them is a Swedish-Chinese collaboration.

Five times the computing power

Researchers at Linköping University have developed a method to increase by a factor of five the computing power in one type of standard chip. The new method is both simple and smart, but the road to publication has been long.

Identifying terrorists in crowds

Hollywood police films have shown it for years – now it might soon be possible in real life.

Robots marching into the future

A giant spider crawling across the floor, crouching under obstacles and navigating corners. Engineering students at LiU are demonstrating their creations in the annual robot competition. The task for 2017 was to build an autonomous vehicle.

LiU-researchers reveal security hole

Quantum cryptography is considered a fully secure encryption method, but researchers from LiU and Stockholm University have discovered that this is not always the case.

LiU researchers win global competition

Researchers at the LiU CVL came out victorious in an international competition with their method for tracking a moving object, such as a car or a face in a crowd. There are many applications for this method – the only limit is our imagination.

'Spooky action at a distance' exists

Jan-Åke Larsson, professor of information coding at LiU, is part of the research group that proved that what Albert Einstein dismissed as ‘spooky action at a distance’ actually exists. “This is the experiment of the century,” he says.

Smart control provides reduced fuel consumption

A diesel-electric powertrain can give capacity to heavy vehicles which by far exceeds that of vehicles with conventional combustion engines. Researchers at Linköping University study how to exploit the full potential of diesel-electric drivelines.

New methods for drive cycles

Researchers at Linköping University have developed new methods of generating and  transforming drive cycles. “A powerful and effective tool for vehicle development” says Peter Nyberg, who presents the methods in his doctoral thesis.

Six challenging projects as WASP takes off

Systems that can see, listen, smell and collect information from many different sources, and act upon that.. Automatic transport systems and decision-making support of  cognitive companions. Six projects have been finalised in Wasp.

LiU research stops exhaust cheating

The Volkswagen scandal has sped up the work to produce new legal requirements for emissions while driving under actual conditions. With the LiU researchers’ method, new reliable tests can be developed quickly and easily.

LiU research for super-fast 5G

Telecoms companies around the world are gearing up for the next generation of mobile telecommunications; so is Ericsson, who recently launched their “5G for Sweden” project. A lot of research and technological development remains to be done, and at LiU there is leading-edge competence.

Gps is not everything

To be able to navigate reliably and without support from the global positioning system GPS is crucial both for fighter planes and for peaceful aerial vehicles on rescue operations. Zoran Sjanic has a solution.

From label to mobile in one jump

The human body works excellently as a cable when information needs to be transferred from a printed label to services in a mobile. Ericsson and Acreo Swedish ICT are showing the technology they developed in collaboration with LiU at CES in Las Vegas.