Prevas TechTrends nr2 2015

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#2 2015


case study

case study

Prevas makes a difference

Smart connected windows

Kontigo Care – now with app and

When should I contact Prevas in the process from idea to finished product? PAGE 2

ChromoGenics windows can now increase comfort and reduce cooling needs. PAGE 4

successful product. Swedish Embedded Award winner, from idea to mHealth. PAGE 6

INTELLIGENT SURVIVAL SUITS EVEN SAFER. Prevas helps Hansen Protection develop safety gear. PAGE 8

Want to contro product fl a ro an app? m PAGE 12



The dates for this year's Embedded Conference Scandinavia are November 3–4, 2015. Prevas will naturally be there. Last year Prevas and Kontigo Care joined in winning the Swedish Embedded Award 2014 in the Enterprise category with TripleA. This was the seventh time that Prevas had been nominated for the Swedish Embedded Award and the third time Prevas has won.

ONE OF THE MOST satisfying aspects of my job is that we actu-

ally make a difference for many people. Many of Prevas' clients that we partner with in development, produce products and solutions to meet the major challenges in society. One of the challenges society is facing is an aging population that places higher demands on health care – both for the amount of care provided and for increasing efficiency – at the same time as society's resources are limited. mHealth is an area that with intelligent IT solutions, provides society with new costeffective solutions that benefit very many people. We have been involved in developing several of these solutions, such as for better quality of life (Permobil), safer care (e.g. Zenicor and Alere) and improved food quality for neonatal children and people in the third world (Miris). Some of the projects have won the industry’s top prizes and our clients have been able to expand into several markets. In this issue of Tech Trends, you can read about how Kontigo Care helps people with alcohol problems to live a sober life. Renewable energy sources, more efficient energy production and energy savings are other areas in which we have been involved and made a difference. You can also read about solutions for safer working environments in this issue. Ten years ago, Prevas had already developed the first-generation emergency transmitter. Working with Hansen Protection, we have now developed an even better safety solution that can track offshore oil workers in distress. I sometimes get the question: “When should I contact Prevas in the process from idea to finished product?” My answer: “Anytime!” We can help out with everything from concepts, prototypes, arranging financing and technical development to industrialization. We usually begin with an unbiased discussion, which often leads to new ideas. It is Prevas' flexible company culture that is the engine in the projects. We have a company culture in which we simply ask those who know the most. Working without preconceived notions is a major strength and finding answers is not especially difficult here at Prevas. This is because of our curious, collaboration-oriented and technically skilled employees, and a working environment that is creative and positive. All for the benefit of our clients. You can read more about our projects that make a difference at ×


From left to right: Markku Hämäläinen, sales manager at Kontigo Care; Kristoffer Andersson, lead consultant at Prevas; Maria Winkvist, product manager at Kontigo Care; and Jonas Mann, business area manager for product development at Prevas.

“It’s exceedingly inspirational and satisfying to participate in developing an embedded system for a new innovative application that can really make a difference for both individuals and society,” says Kristoffer Andersson at Prevas AB. “TripleA is a very good example of how the capabilities of the Internet of Things can be used in mHealth to create benefits for society and to help people lead a better life.” You can read more about TripleA on page 6.

PREVAS CELEBRATES 30-YEAR ANNIVERSARY Prevas was founded 30 years ago at the beginning of the IT era and is now a leading player in the Nordic countries in the fields of technical product development, embedded systems, as well as industrial IT and automation. Innovation for satisfying customers’ needs for increased competitiveness and growth has always guided our operations.

Innovation for Growth

K AR L-GUSTAV R A MSTRÖM President and Chief Executive Officer Prevas AB

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Prevas has approximately 600 employees and is the primary supplier and development partner for many leading companies in the energy, automotive, defense, life science, telecom and manufacturing industries.


Prevas’ CEO is a member of the government's advisory board TO ASSIST THE GOVERNMENT in work with

Sweden's new industrialization and to contribute to promoting investments in Sweden, the government has appointed an advisory board with four representatives from different parts of Swedish industry. One of them is Pia Sandvik, chairman for RISE and previously the president of the Luleå University of Technology, and another is Prevas AB's CEO K-G Ramström. Other members

are Volvo's previous CEO Olof Persson and Lisa Lindström, the CEO at Doberman. The board will be working directly under Minister for Enterprise Mikael Damberg and will regularly provide him with ideas, advice and suggestions for strengthening and developing Sweden as an industrial nation. ×

Minister for Finance Magdalena Andersson and Minister for Enterprise Mikael Damberg in an intimate discussion with Prevas CEO K-G Ramström.

MAJOR INVESTMENTS IN INNOVATION Via Vinnova, the Swedish Energy Agency and Formas, the government has designated 16 areas of strategic importance for Sweden and Swedish innovation. Prevas is strongly engaged in two of these strategic innovation programs, namely Smarter Electronic Systems and Internet of Things (IoT Sweden). These programs have gotten off to a flying start and projects and calls are in full swing. IN SMARTER ELECTRONIC SYSTEMS we see

electronics and software as key enabling technologies for the Swedish industry's competitiveness. Three primary challenges/focus areas have been designated: • Value Chain • Areas of Excellence • Skills Provision A program council has been appointed for each focus area and they report to the board for the entire program. The goals of the Value Chain council are to improve collaboration in the value chain and to make the path from idea to product on the market more efficient. The Areas of Excellence council works to assure and develop national expertise within the designated key areas. The council for Skills Provi-

sion addresses the question of how we should assure the quality of education and attractiveness through initiatives at schools and universities. The IoT Sweden program's overall vision is for Swedish trade and industry, as well as Swedish society in general, to be innovative and competitive by drawing on the potential of IoT. Important areas here are: • Renewal of industry and the public sector • Focus on research and development • Synergies both in applications and in the IoT ecosystem. The programs have much in common and collaborate in many matters.

For more information: Maria Månsson +46 8 644 3607


Innovation for Growth /



CONTROL SYSTEM FOR SMART WINDOWS The Uppsala company ChromoGenics has developed a plastic foil for smart windows and is now putting its product on the market. Prevas helped create a scalable system for controlling the connected windows.

4 / Innovation for Growth


The control system from Prevas can handle up to 1,600 connected windows – a capacity that is sufficient for the Turning Torso building in Malmö, for example.

“USERS CAN REGULATE the flow of light

and solar heat, which increases comfort and reduces cooling needs,” says Johnny Engfeldt, technical project manager at ChromoGenics. “Here in Sweden, cooling of many office buildings is activated with temperatures as low as 5 degrees Celsius, especially in buildings with servers and other heat-radiating equipment.” The technology was originally developed by the Ångström Laboratory at the University of Uppsala and is based on an electrochrome foil that changes properties depending on the applied electrical charge. The concept was spun off at the end of the 90s and since this time, development has been conducted at the ChromoGenics facility in Uppsala. Prior to market launch, the company received assistance from Prevas in producing a reliable and user-friendly control system. “Manufacturing of the foil and the application in laminated glass is our core expertise,” says Johnny Engfeldt. “We then engage external resources to handle electronics development, software, machine manufacture and so forth. We asked around and received good references for Prevas. It was also a major advantage that they have offices here in Uppsala.” BASIC REQUIREMENTS MANAGEMENT LAID A GOOD FOUNDATION

The assignment was to design a scalable and flexible control system that could handle everything from dampening the light in a single conference room, to control of the passage of light through all windows in a newly constructed hotel. Prevas assembled a project group with expertise within among other areas, microprocessors, embedded software, Windows programming and hardware. Rikard Agrell, project manager and development engineer at Prevas in Uppsala, headed the project. “We conducted a thorough risk reduction analysis at the beginning of the project to eliminate potential problems that could have affected the schedule, quality and cost picture,” Rikard Agrell explains. “The client's wishes

were broken down into unique requirements that could be measured and tested.” Thanks to thorough requirements management, work could be divided into several smaller deliveries that were presented to ChromoGenics while work was underway. Work packages were approved on a regular basis, which ensured that the schedule could be held.

“We have a company culture in which we simply ask those who know the most,” says Rikard Agrell. “Working without preconceived notions is a major strength and it is not especially difficult to find the answers at Prevas.” Rikard Agrell

“We had a fairly clear picture of what we needed but Prevas helped us to specify it in even more detail,” says Johnny Engfeldt. “The result was a well-prepared requirements specification in which Prevas added dimensions that we hadn't considered, such as how the electronics would be designed to make production and installation as efficient and reliable as possible.” Weekly project meetings were held that followed a strict agenda with reporting of how work had progressed and of any obstacles that had to be dealt with. Prevas summarized these meeting in weekly reports that were sent out to a number of key personnel at ChromoGenics. SYSTEMATIC WORK

In the finished control system, each window is powered from a centrally located supply and communication with the windows is super-positioned on the power. With this

solution, cabling consists of just two wires, which is a major advantage and simplifies installation both for new construction and refurbishment projects. At the same time, power-line communications was one of the greatest challenges in the project. “The system is complex but we broke it all down into smaller building blocks and worked our way forward systematically,” says Rikard Agrell. “In a technical development project, things always come up that weren't anticipated, but together with the client we've been able to solve the problems we've encountered.” Three Prevas staff members with expertise in various areas made up the core troop of the project, but many more were involved and contributed with their knowledge and experience. “We have a company culture in which we simply ask those who know the most,” says Rikard Agrell. “Working without preconceived notions is a major strength and it is not especially difficult to find the answers here at Prevas. We have many curious, collaboration-oriented and technically skilled colleagues.” OPENNESS AND POSITIVE WORKING ENVIRONMENT

The development project was begun in August 2014 and could be concluded in February 2015. The control system from Prevas is now in place and is administered from a user-friendly web interface that even works on mobile platforms. Sales activities will begin in the autumn and be initially oriented to office buildings. “A factor for success has definitely been the good job we did with requirements specification, which enabled us to get underway at an early stage and discuss solutions and designs. We've experienced complete openness in working with Prevas. The working environment has been creative and positive, and we're very satisfied with the results,” says Johnny Engfeldt. ×

Innovation for Growth /



Hard goods for soft problems The product TripleA from Kontigo Care is on its way to becoming a major success. Together with Prevas, Kontigo Care has already won the Swedish Embedded Award, but the question now is whether the soft values should be rated even higher. WE MEET DANIEL BENITEZ , CEO for

Kontigo Care AB, at the beginning of June 2015 at a hyperactive office in Uppsala. Nonetheless, he takes the time to tell the story of TripleA, a product they developed together with Prevas that is comprised of an alcohol monitoring device in pocket format, a mobile app and a system for data management. The purpose of the product is to help recovering alcoholics during that first critical period after leaving the care of a rehab center. The idea for TripleA came from Daniel, himself a sober alcoholic, and is based both on previous professional experiences and his experiences from treatment and posttreatment. He noted that rehab centers usually work really well, with skilled staff, good treatment and motivated people. “Even so, many relapse just a short time after leaving the rehab center, within five or six weeks,” says Daniel. “They were all very motivated. What was it that caused them to relapse, what was lacking when they left the rehab center?”

ment, because they knew exactly what they were doing... But above all, everyone said “that it didn’t need to happen.” So why did it happen? Daniel concluded that the reason was that treatment stopped as soon as people left the rehab center. “It wasn't that they suddenly wanted to drink, but rather that they suddenly slipped out of the treatment process,” says Daniel. “Imagine if the process could be extended so that there was still support after treatment at the rehab center.” The solution he arrived at was an alcohol monitoring device connected to a smartphone app that people would take with them when they left the rehab center. All that remained now was to transform the idea into practice... not exactly a simple task. “I know from my own experiences that it's difficult to build hardware and we didn't find any equipment or alcohol monitoring devices that corresponded to our requirements,” says Daniel. “The device had to be classified as a technical medical product, be small, sufficiently advanced and be able to communicate wirelessly with a smartphone via Bluetooth.” Daniel realized that he had to develop new hardware and began looking for a partner. There were many potential partners to choose among and there were many meetings, including with Prevas. The professional and friendly impression they made led to a joint prototype project, which in turn meant

“Prevas got to hold our baby” Daniel Benitez


During 2013, Daniel had more than 100 interviews conducted with people with dependencies and most, regardless of social or economic background, mentioned “drinking just for the sake of drinking.” Some even used the treatment as an argu-

6 / Innovation for Growth

– as Daniel puts it – “Prevas got to hold our baby.” “I can't deny that there have been both highs and lows in our collaboration, but this is also the reason why we're still working together,” says Daniel.“Even when we’ve run into problems, we’ve had that team spirit and been able to speak openly with one another.” A SUPPORT FOR CARE RECIPIENTS

“The challenge has been the broad comprehensive responsibility, but this is also our strength,” says Kristoffer Andersson, consultant manager at Prevas in Uppsala. “From hardware design and industrial design to sensor technology and 3D printing. This has been a challenging journey and we're truly happy for Kontigo Care and their success. TripleA works by the user being prompted to perform a sobriety test on random occasions by blowing into the wireless alcohol monitoring device, while at the same time the smartphone’s camera takes a picture to show that the right person is blowing into the device. The results are then sent to the person or persons relevant in each case, such as a therapist but perhaps even a social welfare worker, relatives, friends or an employer. “With TripleA, the person knows that drinking will not go unnoticed, and faced with this, most people will skip that glass of wine,” says Daniel. “If a relapse should occur, the therapist will immediately find out about it, which enables measures to be taken at an early stage. Moreover, the app


Photo: Angelica Klang

An alco device in hol monitoring p mobile ap ocket format, a p for data m and a system anagemen t.

also registers if you have really gone to your scheduled appointments and meetings, such as with your therapist, or to cognitivebehavioral therapy meetings and AA meetings.” The system is even a form of support for the recovering alcoholic in efforts to rebuild damaged trust. Does your partner trust you? Is your boss or coworkers whispering behind your back that you are drinking again? With TripleA, these doubts are eliminated once and for all. “It also provides two-way communication that gives the user the opportunity to quickly let someone know if he or she isn't feeling all that good,” says Daniel. “It isn't a surveillance system, it's an extended and reinforced means of support in the treatment process, with TripleA serving as an extension of the therapist’s influence and strengthening the user’s will to succeed.” THE TECHNOLOGY IS A FACILITATOR

Kontigo Care's TripleA is entirely in line with the times, and not just because of the interest-

ing technology it represents – which among other things resulted in the company winning the Swedish Embedded Award 2014 with Prevas. The mHealth concept is highly topical and applications such of this are very much in demand in health care, something that Daniel is very aware of. “The technology and hardware are actually only facilitators for the soft issues that TripleA addresses, but the platform is also a facilitator for other applications. We have many more ideas that we are further developing based on the solution Prevas has delivered,” says Daniel Benitez in closing. At the end of June 2015, Kontigo Care was listed on First North, which is NASDAQ OMX’s European growth market. The company has brought in nearly SEK 17 million prior to the launch of TripleA. Development of the product is a true success story – perhaps above all because of all the people it can help in the future. ×

Daniel Benitez.

Innovation for Growth /



Helicopter transports to and from oil platforms in the North Sea are routine for thousands of offshore oil workers. Prevas, in collaboration with Hansen Protection, has developed even better safety equipment that can track offshore oil workers in distress.


tracked even better in the event of a helicopter accident. This is an important improvement since helicopters fly thousands of workers to and from oil platforms each year, and these trips to work should be just as safe as on land. Hansen Protection introduced the firstgeneration Personal Locator Beacon (PLB) in 2007 after a long period of development and testing under demanding conditions. Hansen Protection is a leading supplier of survival suits and has extensive experience of developing and producing safety wear for many tasks and professions, from fishermen and helicopter pilots to the personnel who are transported to and from the many oil

8 / Innovation for Growth

platforms in the North Sea. The latest generation of PLBs is safer and can now even be tracked from ships because it includes GPS/Glonass and AIS.

and northward. It is thus well suited for use in northern Norway, the Barents Sea and in the Svalbard archipelago.


AIS is an international tracking system for ships that provides much more information than conventional radar. Positions, bearings and speeds can now be seen for all vessels, as well as the positions of other objects such as buoys, fixed installations or people adrift at sea after an accident or sinking. When there are many vessels in an area, the chances increase of help quickly reaching the accident scene. Everyone can also follow incidents in the area from their computer screens. Hansen Protection has extensive

GPS, which is well known to most, is a satellite navigation system from the US that is used all over the world. Glonass is a corresponding system from Russia and consequently the first European navigation system. Glonass was put in full service in the autumn of 2011 and is used for example, in millions of cellular phones. Glonass has an advantage over GPS – it has better coverage in the northern regions, from Norway




experience of survival suits and is a leading producer of suits for offshore oil workers, fishermen, helicopter pilots and others who are dependent on safety gear in their work. Prevas developed the first generation’s PLBs in 2005-2006 and they have been in use for nearly ten years. The new PLBs are even more advanced and are subject to even higher performance requirements. Development has involved many interacting challenges – design and user interface, low weight, long battery service life, many functions in a small space and stringent demands on durability. ×

• For the offshore sector, helicopter transports and as a personal survival suit on platforms. • Surface layer 100% waterproof, flame retardant fabric. • The market's only integrated survival suit for helicopter passengers; no additional life jacket is required. • IMO/SOLAS & ETSO. • Good fit. Insulated. Temperature regulating liner. • Approved as survival suit. • Integrated soft boots. • ERBS or HUEBA integrated. • Integrated PLB (HPL-2). • Integrated/inflatable float capacity.

Innovation for Growth /




QUICKLY MEASURES HEART STATUS With the Acarix CADScor®System we are seeing growth in an entirely new and advanced medical technology – difficult to develop, but easy to use. The system can save lives as well as substantial amounts for health care.

MOST PEOPLE with chest pains, backaches

and similar symptoms go to their local health care clinics. The pains can be caused by many things but the physician always has reason to suspect that a blood clot could be forming. To be on the safe side, the patient is usually given a referral for further examinations in the form of ECG testing and CT scans, with potentially long waiting times and subsequently considerable costs. Examinations that can now be significantly reduced. Put in simple terms, the innovation involves an electronic stethoscope that measures the flow of blood in the heart's coronary arteries and can quickly diagnose any constrictions. The examination only takes a few minutes and is performed directly at the clinic. If a CAD score is high, it is an indication that the patient needs to be sent to pre-screening. ADHESIVE BANDAGE WITH ADVANCED MICROPHONE

With Acarix’ analytical instrument, a precise measurement is attained with a safer and predictable method. An adhesive bandage with an advanced microphone is

10 / Innovation for Growth

placed close to the heart. The apparatus measures sounds from the heart and from the blood flowing through the arteries, and can thus determine if there is an arterial constriction since in such case, the blood will swirl. Based on this examination the physician can decide if the patient needs a referral for further measures.

“We've been very pleased with the help we've received from Prevas since 2011 as a development center.” Claus Bo Vöge Christensen Acarix is the company behind this innovation. The company's business concept is based on Danish university research. In May of this year, the important CE approval was received; a difficult eye of a needle to pass for a product used for medical purposes.

And the closer a medical product comes to the body, the more difficult it is to receive CE approval. Obtaining the authorities' CE approval provides entitlement to sell the product, which in this case has been tested on more than 2,000 patients. Claus Bo Vöge Christensen, COO at Acarix and experienced in developing sensors for medical equipment, tells of how operations were begun in 2009: “One of the primary functions we developed with the Acarix CADScor® System was the capability to determine whether there were constrictions in the coronary arteries. It is a tremendous relief for patients when it can be quickly determined whether they have a serious, emergency heart problem. Our electronic stethoscope and CADScor® System is nearly as good as CT scanning, at the same time as it is entirely risk-free. “We've been very pleased with the help we've received from Prevas as a development center since 2011. We listen to the sound from the coronary arteries, which is one thousand times lower than normal sound. Other technical expertise was needed for


ABOUT CADScor® System this than what we had in-house. At Prevas we found experience and specialist knowledge in among other things, acoustics, audio and signal processing. We chose Prevas because of their size and the depth of their resources in their specialty areas, which we anticipated would provide continuity in work without being dependent on a single individual, and this has proven to be the case.” KNOWLEDGE, FLEXIBILITY AND ENGAGEMENT

“The project structure we have used with Prevas has been very good with a high degree of flexibility,” Claus Vöge Christensen says. “They have been able to regulate the pace in relation to ongoing decisions from our investors. In Prevas we found strong staff engagement, which demonstrated from the start that more was involved than just making money. We really felt that they were genuinely interested and they adopted the project as if was their own to a far greater degree than what we could have expected as a client. This is very important for trust and the project form, as well as for the immediacy of our collaboration. “Project management and the project have

worked well, even when things have not gone as we would have preferred. The process of understanding why things do not work is at least as important. We’ve also had excellent cooperation when it came to the required tests, and with Prevas we found substantial knowledge of the regulations in medical technology. We have absolutely nothing to complain about with our collaboration.” Henrik Möller, responsible for Prevas operations in Denmark has this to say: “Prevas has been along for the entire process, which has been a one-product, onecompany project. Even if the Acarix product is unique, Acarix has been able to benefit from Prevas' proven methodology in developing hardware and software. Prevas has also provided project management, coordinated mechanical engineering and been involved in portions of the CE approval process. “Acarix is oriented to doctors at health care clinics, cardiology clinics and to private practicing cardiologists. In Danish heath care alone, it is expected that nine-digit savings will be attained by eliminating expensive examinations at hospitals. ×

The Acarix CADScor® system is built on recognized Danish acoustics know-how, design and engineering. The entire system consists of three parts: PART ONE is a sensor unit with microphones, microprocessors, software and a touch screen for guided instructions and reading of CAD points. Because registration of the heart signal is sensitive, the microphone housing is separated from the rest of the sensor by means of a flexible connection that prevents the microphone from twisting away from the skin where it is positioned. PART TWO is a docking station for external power supply and a speaker that regularly assures the quality of the sensor unit. When the sensor unit is placed in the docking station, the batteries are charged and recording with the microphone is validated to ensure that measurements are always correct. PART THREE is an adhesive bandage for attaching the sensor unit to the patient’s skin. The microphone housing uses a special connection to ensure optimal recordings of the weak sound. The adhesive bandage contributes to achieving the highest possible patient hygiene and recording quality. More information is available at

Innovation for Growth /



administrate their intercommunications.

option for authentication and encryption.

The major challenge, when connecting devices through the Internet, is that NAT translation makes it difficult to create peer-to-peer connections. A counter measure to

There are three main participants in the present system; the devices, the user-end clients and the database controller that handles the distribution of messages.

Do you want to control your product with an app?

FEATURES: • ID based connectivity (IoT) • Event based instant messaging • Device/user roles administrated and database controlled • TLS or AES security • Scalable infrastructure • High portability for small to large platforms

Are you thinking about simplifying and improving service plans for your products?



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• Provides one or more different users with Vice President Sales & Marketing, Prevas A/S productivity and usability, a productSøren mustW. Mathiasen, the information they want. For example, +45 2099 7601, never stand still. Prevas has developed service personnel can obtain certain infora very flexible and simple product that mation and end-users other. Søren W. provides safe and immediate communica• Saves time andsystems money thanks toIT,better With leading expertise in embedded and industrial Prevas contributes by providing innovative solutions that create growth. Prevas was founded in 1985 and is the main supplier and development partner to leading companies in industries such as life science, Mathiasen tions between clients and devices (e.g. via planning of service. Technical updates telecom, automotive, defense, energy and engineering. Offices are located in Sweden, Denmark, Norway and India. The company smartphones) connected via the Internet. can for example, be remotely performed. has just over 600 employees. Prevas has been listed on the NASDAQ Stockholm since 1998. For more information VICE PRESIDENT SALES & MARKETING, We call the product Prevas Simple • More satisfied customers when service PREVAS DENMARK Connect (PSC), a product that can help in can be conducted in time. Machines never determining if the Internet of Things (IoT) stand still. would be good for your product as well as of • Information can be displayed via an app or Speak with your Prevas contact or get in touch with interest to your customers. on an embedded HDMI in the product. Søren W. Mathiasen • Scalable model that can be easily adapted if you are considering SIX BENEFITS OF PREVAS SIMPLE CONNECT to different product and machine needs putting more intelligence into your products. • Easily gathers information from a and customer preferences. × product/machine.