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PhD in measuring & modeling (non) visual responses of light for LED applications

PhD in measuring & modeling (non) visual responses
of light for LED applications
Are you fascinated by measuring and modeling visual and non-visual effects of light
on humans?
Position PhD-student
Department(s) Industrial Engineering and Innovation Sciences
FTE 1,0
Date off 21/10/2021
Reference number V39.5219
Job description
The Department of Industrial Engineering & Innovation Sciences of Eindhoven
University of Technology has a PhD position in its Human Technology Interaction (HTI)
group to work on the visual and non-visual properties and effects of light in HumanCentric Lighting systems and their digital twins, within the EU-funded AI-TWILIGHT
Project context: the AI-TWILIGHT consortium and the TU/e Intelligent Lighting
This PhD position is one of three TU/e positions at the core of the AI-TWILIGHT
consortium, funded by a H2020-ECSEL grant from the EU. In the consortium 25
participants from academia and industry join forces to create self-learning digital twins
of LED-based luminaires that can be used to assess and predict maintenance,
performance and lifetime of lighting systems and products as well as their visual and
non-visual responses. The digital twin models apply modern mathematical and artificial
intelligence methods to drastically reduce the amount of test data needed and will
widen the predictive power of multi-domain LED models (i.e., involving optical,
mechanical, electrical, electronic, thermal and human perception aspects). The
consortium is led by Genevieve Martin of Signify and combines world leading industry
partners representing the product and the application sides of the value chain. The
academic partners focus on the development of the digital twins and their self-learning
capabilities and on the methodology, how to derive the parameters and perception
indices from data sets.
The core objectives of AI-TWILIGHT are:
create self-learning digital twins of lighting systems (LED sources, driver
electronics/modules and luminaire), and use these to predict performance and lifetime
of LED products and optimize infrastructure design and management in an autonomous
• create self-learning models using AI and analytics techniques
• facilitate the implementation of the digital twins in digitalized design flow (for
SSL product design) and facilitate their applications upstream, up to lighting
systems of large infrastructures/buildings.
• test AI-TWILIGHT methods, models and tools within selected application
domains (e.g. automotive, horticulture, general and street lighting) and
implement them within consortium partners to harvest their benefits
Three TU/e groups participate in the AI-TWILIGHT consortium: the Scientific
Computing group, the Statistics group and the Human Technology Interaction group,
with 2 postdocs and a PhD position respectively. The consortium will enable the TU/e
and its Intelligent Lighting Institute (ILI) to develop new scenarios, services, data
analytics and enabling technology for intelligent, integrative and human-centric lighting
applications that balance energy savings, lifetime, human performance, (visual) comfort,
health and wellbeing aspects.
PhD position: Measuring and modeling the visual and non-visual properties and
effects of light within LED applications
The Human Technology Interaction department of the TU/e is seeking an enthusiastic,
ambitious young researcher to work in our team on the execution of the AI-TWILIGHT
tasks “Spectral Power Distribution Modelling for Calculation of all Application Indices”
and “Application Use-cases”.
Job requirements
• A master’s degree or an equivalent university degree in (electrical) engineering,
applied physics, experimental/classical psychology, visual perception,
chronobiology, neuroscience, human-technology interaction, or a related
• Experience with and affinity for (human-centric) lighting, lighting technology,
measurement (psychometrics) and research methods
• Expertise with empirical research with human participants
• Advanced statistical and modeling skills
• Experience with chronobiological paradigms in the field of lighting is considered
a plus
o A strong interest in lighting and lighting technology
o A research-oriented attitude
o Strong conceptual thinking and planning skills; you are creative and
o Ability to work in an international and interdisciplinary team and
interested in collaborating with industrial partners.
• Fluent in spoken and written English.
Conditions of employment
• A meaningful job in a dynamic and ambitious university with the possibility to
present your work at international conferences.
• A full-time employment for four years, with an intermediate evaluation (go/nogo) after nine months.
• To develop your teaching skills, you will spend 10% of your employment on
teaching tasks.
• To support you during your PhD and to prepare you for the rest of your career,
you will make a Training and Supervision plan and you will have free access to a
personal development program for PhD students (PROOF program).
• A gross monthly salary and benefits (such as a pension scheme, pregnancy and
maternity leave, partially paid parental leave) in accordance with the Collective
Labor Agreement for Dutch Universities.
• Additionally, an annual holiday allowance of 8% of the yearly salary, plus a yearend allowance of 8.3% of the annual salary.
• Should you come from abroad and comply with certain conditions, you can make
use of the so-called ‘30% facility’, which permits you not to pay tax on 30% of
your salary.
• A broad package of fringe benefits, including an excellent technical
infrastructure, moving expenses, and savings schemes.
• Family-friendly initiatives are in place, such as an international spouse
program, and excellent on-campus children day care and sports facilities.
Information and application
About us
Eindhoven University of Technology is a top-ranking Dutch university that combines
scientific curiosity with a hands-on attitude. Our spirit of collaboration translates into
an open culture and a number 1 position in collaborating with advanced industries.
Fundamental knowledge enables us to design solutions for the highly complex problems
of today and tomorrow.
The Department of Industrial Engineering & Innovation Sciences (IE&IS) is a
leading school in the area of industrial engineering and management science as well as
innovation sciences.
IE&IS has several BSc and MSc programs housed in two separate schools. Research is
multi-disciplinary, based on fundamental scientific insights and methods. The school of
Industrial Engineering (IE) focuses on the analysis, (re)design, and control of
operational processes in organizations and the information systems needed for these
processes, and the school of Innovation Sciences (IS) focuses on the realization and
impact of technological innovations at the individual, organizational, and societal level.
At the heart of our academic philosophy is the synergy between research and teaching.
The Human Technology Interaction (HTI) group is part of the school of IS. It
concentrates expertise in social sciences – in particular psychology – and engineering,
and is concerned with the responsible development, introduction, and use of
technology, focusing on its interface to humans, its successful deployment in
organizations, and a fundamental understanding of its transformative effects on
individuals and society. We highly value collegiality, collaboration and team science and
look forward to welcoming you in our midst.
The Intelligent Lighting Institute (ILI) is TU/e’s interdepartmental institute for
innovations in lighting. It was established in 2010 and is home to multidisciplinary
research around novel intelligent lighting solutions, with a special emphasis on how
these new solutions might affect people. In addition, ILI aims at providing scientific
evidence for the claims that go with these novel lighting solutions.
More information
Do you recognize yourself in this profile and would you like to know more? Please
dr. Luc Schlangen, l.j.m.schlangen[at], or +31 40 247 2889.
For information about terms of employment, click here or contact
Please visit to find out more about working at TU/e!
We invite you to submit a complete application by using the ‘apply now’-button on this
The application should include a:
• Cover letter in which you describe your motivation and qualifications for the
• Curriculum vitae, including a list of your publications and the contact
information of three references.
• Brief description of your MSc thesis.
• Grade list
We look forward to your application and will screen it as soon as we have received it.
Screening will continue until the position has been filled.
We do not respond to applications that are sent to us in a different way.
Please keep in mind you can upload only 5 documents up to 2 MB each. If necessary
please combine files.

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