Publications by Ali Motamed | EPFL Graph Search

Self-commissioning glare-based control system for integrated venetian blind and electric lighting

Laurent Deschamps, Jean-Louis Scartezzini, Ali Motamed

Rule-based control logics have proven to be efficient for automation of shading and lighting systems. However, successful commissioning of these systems for multiple stores non-residential buildings, regardless of the control logic, requires time-consuming ...

2020

Eight-month experimental study of energy impact of integrated control of sun shading and lighting system based on HDR vision sensor

Laurent Deschamps, Jean-Louis Scartezzini, Ali Motamed

2019

Impact of dynamic lighting control on light exposure, visual comfort and alertness in office users

Jean-Louis Scartezzini, Mirjam Münch, Ali Motamed, Lenka Maierova, Marta Benedetti

The lighting environment at indoor workplaces is important not only to provide vision and visual comfort, but also for light's direct influence on human physiology, cognitive performance and mood. The purpose of this ongoing study is to investigate the imp ...

IOP Science2019

Integration of Non-Image-Forming (NIF) Effects of Light in Venetian Blinds and Electric Lighting Control

Jean-Louis Scartezzini, Ali Motamed, Marta Benedetti

KARGER2018

Lighting control system

Laurent Deschamps, Jean-Louis Scartezzini, Ali Motamed

In a control unit (8) for a lighting control system, wherein the control unit (8) is configured to calculate output values based on input values and the output values include control commands for a lighting installation (4, 6, 7.1, 7.2), the input values i ...

2018

Toward proper evaluation of light dose in indoor office environment by frontal lux meter

Jean-Louis Scartezzini, Ali Motamed, Maira Vieira Dias

The wearable Brazilian illuminance meter “OcuLux” provides the opportunity to monitor continuously pupilar illuminance for indoor environment. The device is calibrated to evaluate the illuminance in lux for the range of 0 to 3500 lux with 23% of precision. ...

Elsevier2017

On the integration of Non-Image-Forming effects of light on venetian blinds and electric lighting control

Laurent Deschamps, Jean-Louis Scartezzini, Ali Motamed, Marta Benedetti

Light induces important “Non-Image-Forming” (NIF) effects on human physiology and behavior, such as improvement of alertness, cognitive performance and mood. Considering these effects in office lighting can improve well-being and productivity of the occupa ...

Elsevier2017

On-site monitoring and subjective comfort assessment of a sun shadings and electric lighting controller based on novel High Dynamic Range vision sensors

Laurent Deschamps, Jean-Louis Scartezzini, Ali Motamed

Electric lighting is responsible of about one fifth of the electricity demand of buildings in Switzerland. Therein, integrated control of sun shadings and artificial lighting can mitigate the electricity demand while maintaining the user comfort and perfor ...

Elsevier2017

Integrated Daylighting and Artificial Lighting Control based on High Dynamic Range Vision Sensors

Ali Motamed

One fifth of the electricity consumption of Swiss buildings is due to electric lighting. Integrated control of sun shading and artificial lighting can mitigate this demand while maintaining user comfort. However, the drawback of existing building control a ...

EPFL2017

Improving local wind estimation for the automated control of blinds

Laurent Deschamps, Jean-Louis Scartezzini, Ali Motamed, Dasaraden Mauree

Blinds are usually installed on building façade to improve the visual and thermal comfort of the oc-cupants. They are now often linked to an automat-ed system that helps control the glare and decrease overheating. These automated systems are linked to a we ...

2017

Lighting control system

Laurent Deschamps, Jean-Louis Scartezzini, Ali Motamed

In a control unit (8) for a lighting control system, wherein the control unit (8) is configured to calculate output values based on input values and the output values include control commands for a lighting installation (4, 6, 7.1, 7.2), the input values i ...

2017

Potential advantages of a multifunctional complex fenestration system with embedded micro-mirrors in daylighting

Andreas Schueler, André Gabriel Kostro, Ali Motamed, Jing Gong

Proper daylighting designs in interior spaces may reduce the energy costs of electric lighting and improve the productivity of occupants. This paper reports the potential advantages of a multifunctional complex fenestration system with embedded micro-mirro ...

Pergamon-Elsevier Science Ltd2016

On the Impact of Integration of Non-Image Forming (NIF) Effect of Light on Electrical Lighting Control in Non-Residential Buildings

Jean-Louis Scartezzini, Ali Motamed, Marta Benedetti

Lighting has an impact on the visual as well as cognitive performance of people in non-residential buildings. Light is the most powerful time cue for resetting the circadian pacemaker and ensuring correct synchronization of the internal clock with the envi ...

2016

Toward an Integrated Platform for Energy Efficient Lighting Control of Non-Residential Buildings

Laurent Deschamps, Jean-Louis Scartezzini, Ali Motamed

Net energy import of Switzerland corresponds to about 13 BCHF (petroleum, uranium, etc.) each year. According to the energy perspective 2035 defined by Swiss Federal Office Energy, the energy import should be reduced to 7.3 BCHF. Meeting the goals defined ...

vdf Hochschulverlag AG ETH Zurich2016