iot - build4asia...iot sensors per base station low responsiveness relaxed requirements regarding...
TRANSCRIPT
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Innovative Applications of IoTin Building Operation and Maintenance
Ir LEE Che Kit
Chief Engineer
EMSD
HKSAR Government
12 Nov 2020
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Information Classification: General22
◼ Handled O&M starting 1948
◼ EMSD has over 5,000 staff
◼ Operating & maintaining over 8,000 government premises & E&M facilities, including:
• Offices
• Schools
• Fire Stations
• Hospitals
• Markets
• Sports Centers
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Information Classification: General33
Challenges
◼ Equipment distributed in many venues across the territory
◼ Aging assets, aging staff
◼ Expectation for better and smarter service
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Smart Building Management Internet of Things
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Information Classification: General5
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Information Classification: General6
Digitized
Asset Management System Remote monitor asset efficiency
Analysis on operational data
For predictive maintenance &
optimization
A New Era of E&M 2.0
Regional digital
monitoring & control centre
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Information Classification: General77
Integrated Building Management SystemE
&M
D
igit
ali
sati
on
Integrated Building Management System
Predictive Maintenance
Spare Part Management
Fault Diagnostic
“0”DownTime
Equipment FaultBuilding Energy
Management System
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Information Classification: General88
BIM-AM System –BIM Models with Asset Information & Real Time Data
Hong Kong Children Hospital
EMSD Headquarters
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Information Classification: General10
Six ‘L’s of Low Power Wide Area Network (LPWAN)
Low PowerBattery powered devices acquiring 3-5 years lifetime
Long RangeCovering Larger areas with fewernumber of basestations
Low ThroughputFrom 100bps to some few kbps; Short message once per hour, day or week, …
Low CostCommunication module for HKD50 or less
Large ScaleSeveral thousands of IoT sensors per base station
Low ResponsivenessRelaxed requirements regarding Responsiveness of a device
bps
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Range
Power
Consumption
Bandwidth
Radio Chipset
Costs
LPWAN
VS
Other coms
methods
Transmission
Latency
Geographical
Coverage,
Penetration
Number of
Base stations
Radio
Subscription
Costs
LPWAN
ZigBee
3G/4G/5G
TECHNOLOGY COMPARISON
Reference: http://www.techplayon.com/low-power-wide-area-networks-lpwan/
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Information Classification: General12
Suitable for lower data rate & less frequent data
transmission applications
Characteristics of IoT Technology with LoRa
Rapid & cost effective deployment
→→→ Massive sensors deployment for
digitization and data analytics applications
Private network connection between IoT sensors
and gateways for stability & information security
Low powered IoT sensor (battery powered)
Long range wireless transmission between
sensors & LoRa gateways (up to 10km)
12
Government Wide IoT Network (GWIN)
LoRa
gateways
EMSD
Data exchange
for client’s
application
IoT
sensors
(battery-
powered)
Wireless (up to 10km)
EMSD
Network
Server
MQTT Sigfox &
NB-IoT
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Information Classification: General13
Occupancy sensor
Temperature &
humidity sensor
Air Quality Sensor
Carpark sensor
Soap Dispenser Sensor
Trials of IoT Sensors at EMSD HQs
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Information Classification: General1414
GWIN Deployment at EMSD HQs
7-storey building:
• 7 nos. Indoor Gateways
• 2 no. Outdoor Gateways
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Information Classification: General15
Exceed 80% outdoor coverage
Around 200 sensors installed
47 Gateways installed in Shatin
Installed spots:Public Transport InterchangeFootbridgesMunicipal BuildingsClinical BuildingsFire StationsCommunity Halls Government OfficesPublic ToiletsWater Service Reservoirs 15
GWIN Deployment at Shatin District
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Information Classification: General1616
GWIN Deployment at Kowloon East Region
Exceed 70% outdoor coverage
Around 100 sensors installed
29 Gateways installed in KE RegionInstalled spots:PromenadeFire StationsAmbulance DepotTETRA Base StationCommunity CentresGovernment Offices
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Information Classification: General17
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Information Classification: General1818
EMSD IoT Trials on Smart Facility Management
Smart ToiletsSmart Meeting Room Smart Carpark System
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Information Classification: General1919
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Information Classification: General20
Edge processing vibration sensor
Self-learning vibration pattern and send out alert
signal for predictive maintenance
A.I. Vibration Monitoring
Fresh Air Fan at Tai Wai PTI
Air-cooled Chiller at Sha Tin Government Office
Chilled Water Pump at Sha Tin Government Office
Primary Air Handling Unit at Sha Tin Government Office
Predictive Maintenance
Trial-axis vibration
monitoring
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Information Classification: General21
On-premise processor to collect complex and comprehensive
vibration spectrum ( Sample frequency up to 25.6kHz)
Local support and on site baseline measurement by Certified
Vibration Analyst ( Category III ISO 18436-2)
Machinery Fault Diagnosis ( Bearing& Misalignment)
A.I. Vibration MonitoringPredictive Maintenance
Yung Fung Shee Memorial Centre
Kowloon Bay Health Centre
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Information Classification: General22
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Information Classification: General2323
23
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Rain Gauge for
Slope Monitoring Flood MonitoringU/G Water Leakage
Monitoring
Tree MonitoringAir Quality MonitoringSludge Container
Tracking
Automatic Meter
Reading
Environmental
Monitoring
& Education
Watercraft Tracking
PV Panel
Efficiency
Monitoring
EMSD HQs HK Children Hospital
West Kowloon Government Building
Tin Shui Wai Hospital
Smart City
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Information Classification: General2424
Regional Digital Control Centre (RDCC)
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Information Classification: General2525
Regional Digital Control Centre
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Information Classification: General26
Sensor Deployment
IoT Sensors from>500 LoRa
Alliance Member & Local
Market
Retrofit existing sensor based
on standard interface by EMSD
MoC partners in Hong Kong
TAILOR-MADE Products from Local
Market
UniversitiesI&T Organizations
I&T Solution Supply
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Information Classification: General27
APPLICATION
Network
Server
GATEWAY
INFRA.
IOT SENSOR
IoT
Ecosystem
Data Analytic & AI
Predictive
Maintenance
Sensor
Deployment
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Information Classification: General2828