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Energy and Light Quality Results of EnLight Lighting Solutions applied to a Hospitality Environment Dr. Herbert Weiß | OSRAM GmbH
www.osram.com
5th International LED professional Symposium +Expo LpS 2015 | Sept 22-24, 2015 | Bregenz
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Dr. Herbert Weiss 2
Outline
1. EnLight Project Overview
2. Hospitality Installation
3. Validation – Energy Savings
4. Validation – User Comfort and Acceptance
5. Conclusions
1. EnLight Project Overview
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Dr. Herbert Weiss 3
Project Objectives
EnLight – Energy efficient & intelligent lighting systems
Exploit the full potential of SSL lighting Reduce energy consumption by 40%
compared to LED retrofit systems
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Dr. Herbert Weiss 4
Consortium Partners
27 Partners 3 ½ Years Jun 2011-Nov 2014
ENAS, IIS/EAS
IZM
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Dr. Herbert Weiss 5
Approach
Optimized lighting modules • Improved optical design • Thermal efficiency • Driver integration • Communication interface Future non-conventional luminaires • Break free from retrofit design patterns • Integration of novel features • Architectural flexibility Intelligent lighting systems • Means for data mining • Smart sensors • Sensor fusion • Interface with BMS
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Dr. Herbert Weiss 6
Office 2Office 1
Power supply
LED Light Engines
PIR/LL sensors 3D sensor Bolometer Radar sensorSmart device Switches
Buck driver Boost driver
Embedded PIR/LL/temp sensors
System
Fixture
Module
Controller
Hospitality
Software & Concepts
EnLight Building Blocks
Intelligent Luminaires
External Sensors Local User Controls
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Dr. Herbert Weiss 7
Hotel room
Corridor
Open Plan Office
Bath-room Grid
demonstrator
Meeting room Office room
Lounge area
Meeting room
Corridor
Driver boost
PIR + Light level
ILB Embedded Controller
PIR + cheap camera
ILB embedded sensors
Driver buck Driver & EC
Combi
ILB Driver
ILB PSU 70W
ILB PSU 20W
DIO PSU
Research
Non ILB Controller (embedded)
System Fixture Module Software & Concepts
Task Flex
Area controller
Zigbee Local User Controls
Area configurator
Power bal. dto, Mini Glow
Wedge single/panel
Door HiQLED
3D camera
Intelligent luminaires External sensors and controls Area infrastructure
PIR+Light Level
Spot 2 button switch
M30 Sensors
DLT Adapter
Zigbee remote User Control
Spot
Arktika L+Q
ILB dev kit Ext sensor & LUC dev kit
Communicationsoftware
Decision/ Fusion engine
Mini ITX platform
Antenna design
General sw support
Logical luminaire
Design for low kWh/y·m2 Research Apps for smart
phone
EnLight Building Blocks
Hospitality
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Dr. Herbert Weiss 8
Driver boost
Task Flex
ILB dev kit
PIR + Light level
ILB Embedded Controller
Ext sensor & LUC dev kit
Communicationsoftware
Decision/ Fusion engine
Mini ITX platform
Antenna design
General sw support
Area controller
Zigbee Local User Controls
Area configurator
PIR + cheap camera
Power bal. dto, Mini Glow
Wedge single/panel
Door HiQLED
3D camera
Intelligent luminaires External sensors and controls
ILB embedded sensors
Area infrastructure
Hotel room
Corridor
Open Plan Office
Logical luminaire
PIR+Light Level
Spot 2 button switch
Bath-room
Driver buck Driver & EC
Combi
ILB Driver
ILB PSU 70W
ILB PSU 20W
DIO PSU
M30 Sensors
Design for low kWh/y·m2
Research
Grid demonstrator
Research
DLT Adapter
Zigbee remote User Control
Spot
Arktika L+Q
Meeting room Office room
Lounge area
Meeting room
Corridor
Non ILB Controller (embedded)
Apps for smart phone
System Fixture Module Software & Concepts
EnLight Building Blocks
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Dr. Herbert Weiss 9
Level Enterprise
Building (office, hotel, …)
Area (room, floor, …)
Luminaire
EnLight System Architecture
Distributed Intelligence
Modular Plug&Play
Intra-Luminaire Architecture
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Dr. Herbert Weiss 10
EnLight Highlights System Demonstrations • 3 system demonstration pilots • Validation of energy efficiency • Validation of user comfort and acceptance
Technical Highlights • Compact and efficient multi-channel modules • Intelligent luminaires • External sensors and controls
Breakthrough Innovations • Distributed intelligence • Digital modular luminaire architecture
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Dr. Herbert Weiss 11
Outline
1. EnLight Project Overview
2. Hospitality Installation
3. Validation – Energy Savings
4. Validation – User Comfort and Acceptance
5. Conclusions
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Dr. Herbert Weiss 12
Hospitality Pilot
OSRAM Building Garching, Germany
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Dr. Herbert Weiss 13
Corrridor
Lobby
Meeting
Relax AreaKitchen
Ladies Bath room
Ladies Bath room
Door
Sofa
Corrridor
LobbyKitchen
Guest Room
Door
Meeting
Ladies Bath room
Door
Sofa
Corrridor
LobbyKitchen
Guest Room
Door
Meeting
Hospitality Pilot
Before: After:
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Dr. Herbert Weiss 14
Hospitality Pilot Refurbishment
Relax Area
Bathroom
Corridor
Guest Room
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Dr. Herbert Weiss 15
Hospitality Pilot
• Movie
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Dr. Herbert Weiss 16
Luminaires
“Power Balance”
Spot
Luminous Door
Single “Wedge” Luminaires
“Wedge” Wall
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Dr. Herbert Weiss 17
Luminous Door
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Dr. Herbert Weiss 18
Wedge Wall
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Dr. Herbert Weiss 19
Wedge Wall
Wedge Concept Simulation
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Dr. Herbert Weiss 20
Spot Light Luminaire
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Dr. Herbert Weiss 21
4-channel concept:ww / blue / mint / red
1 x 4 channels
CW
R BL
Y
Intra
-Lum
inai
re B
us
“Wedge” Luminaire
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Dr. Herbert Weiss 22
4-channel concept:ww / blue / mint / red
1 x 4 channels
CW
R BL
Y
Intra
-Lum
inai
re B
us
“Wedge” Luminaire
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Dr. Herbert Weiss 23
“Wedge” Wall Architecture
LED Engine & Light Manip.
Driver
Intra Luminaire Communication
Bus
Power & ZigBeeAntenna
LuminaireController
LEDLightEngines
Mains
PSU
PSU
PSUSensor
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
LED Engine & Light Manip.
Driver
Communi-cation
Embedded Controller
PIR
Luminaire
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Dr. Herbert Weiss 24
Outline
1. EnLight Project Overview
2. Hospitality Installation
3. Validation – Energy Savings
4. Validation – User Comfort and Acceptance
5. Conclusions
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Dr. Herbert Weiss 25
Energy Saving Strategies
Task Tuning
Personal Control
Occupancy Time schedule
Daylight Harvest
Load Shedding
Corridor - -
Local occupancy
sensing with a light bubble
Office hours
- √
Guest room 4 scenes & CCT tuning
Scene selection & CCT tuning with a push
button
Local occupancy
Sensing - - -
Rest room 4 colour
temperatures
CCT selection with a push button
Local occupancy
Sensing - - -
Lobby - - - Office hours
- √
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Dr. Herbert Weiss 26
Validation Energy Consumption
Guest Room Ceiling
Mon, 1 Sept. Tue, 2 Sept. Wed 3. Sept. Thu 4 Sept. Fri 5 Sept. Sat 6 Sept
kWh
Corridor
Mon, 1 Sept. Tue, 2 Sept. Wed 3. Sept. Thu 4 Sept. Fri 5 Sept. Sat 6 Sept
kWh
Bathroom
Mon, 1 Sept. Tue, 2 Sept. Wed 3. Sept. Thu 4 Sept. Fri 5 Sept. Sat 6 Sept
kWh
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Dr. Herbert Weiss 27
Validation Energy Consumption
Corridor E
nerg
y co
nsum
ptio
n k
Wh
0:00
3:00
6:00
9:00
12:0
0
15:0
0
18:0
0
21:0
0
24:0
0
0.3
0.2
0.1
0.0
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Dr. Herbert Weiss 28
0:00
3:00
6:00
9:00
12:0
0
15:0
0
18:0
0
21:0
0
24:0
0
0.3
0.2
0.1
0.0
Validation Energy Consumption
Corridor E
nerg
y co
nsum
ptio
n k
Wh
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Dr. Herbert Weiss 29
0:00
3:00
6:00
9:00
12:0
0
15:0
0
18:0
0
21:0
0
24:0
0
0.3
0.2
0.1
0.0
Validation Energy Savings
Corridor E
nerg
y co
nsum
ptio
n k
Wh
Savings by
Intelligent Control
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Dr. Herbert Weiss 30
Results Energy Savings
0
10
20
30
40
50
60
70
80
90
100
LEN
I [k
Wh/
(a∙m
2 )]
81 % EnLight
Ret
rofit
w/o
con
trol
EnLi
ght w
/o c
ontro
l
42 % luminaire design
67 % intelligent control
EnLi
ght
#
# LENI: Light Energy Numeric Indicator
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Dr. Herbert Weiss 31
Benchmark Energy Savings
0
10
20
30
40
50
60
70
80
90
100
110
EN15193Hotel
Quality Class ***
Retrofit Hospitality Installation
ASHRAE 90.1 (US)
LEED Qualifier
Title 24 (US)
EnLightHospitality Installation
LEN
I [k
Wh/
(a∙m
2 )]
19 pt.
0 pt.
# LENI: Light Energy Numeric Indicator
#
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Dr. Herbert Weiss 32
Outline
1. EnLight Project Overview
2. Hospitality Installation
3. Validation – Energy Savings
4. Validation – User Comfort and Acceptance
5. Conclusions
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Dr. Herbert Weiss 33
overa
ll impre
ssion
supp
ort of
visu
al tas
ks
room ap
peara
nce
visua
l com
fort
well-be
ing
user
friend
lines
s
good
average
poor
very bad
excellent
Validation User Comfort and Acceptance
Support of Visual Tasks • Light quality for visual tasks • Differentiation of objects • Colour rendering of objects and skin tones
Room Appearance • Visual impression • Lighting design / luminaire arrangement
Visual Comfort • Light level • Glare • Colour temperature • Light distribution
User Friendliness • Number & quality of light scenes • Personal and autonomous control
Well Being • Mood • Vitality • Motivation
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Dr. Herbert Weiss 34
wedge
s
lumino
us do
orsp
otsvery bad
poor
average
very good
excellent
Validation User Comfort and Acceptance
gues
t room
corrid
or
bath
room
excellent
good
average
poor
very bad
Average Rating per Room Rating per Luminaire
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Dr. Herbert Weiss 35
0 €
1 €
2 €
3 €
4 €
mostly not
it depends ...
mostly yes
no, definitely not
yes, definitely
Validation User Comfort and Acceptance
Customer Behaviour
mostly not
it depends ...
mostly yes
no, definitely not
yes, definitely
Would you prefer a hotel with this kind of lighting?
How much would you additionally pay for it?
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Dr. Herbert Weiss 36
Conclusions
IntelligentControl
LuminaireEfficacy
Energy Savings
> 80%42%
Ligh
ting
Qua
lity
and
Com
fort
20% *
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Dr. Herbert Weiss 37
Conclusions
• Next generation lighting network • Distributed intelligence
− Smooth configuration and scaling of network nodes
− Cooperation of intelligent luminaires adapting to changes in the environment • Intra-luminaire bus architecture
− Plug-and-play configuration
− Product diversity handling
− Leverage design freedom enabled by LED technology
• Hospitality system demonstration − 81% energy savings exceed best in class benchmarks
− User ratings in favour of EnLight system
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Dr. Herbert Weiss 38
LED Professional Magazine, Apr 2015
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Dr. Herbert Weiss 39
EnLight won the ENIAC 2014 Innovation Award
Photo by Simon Pugh Photography.
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www.osram.com
Thank you.