CONCEPTION, DESIGN AND IMPLEMENTATION OF A SMART ...
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Área de Ingeniería de Instalaciones
CONCEPTION, DESIGN AND IMPLEMENTATION OF A SMART VENTILATION MANAGEMENT SYSTEM
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Metro de Madrid facts & figures:302 stations, 294 Km track length
12 Heavy rail lines+ 1 Branch Line + 1 Light rail line
Energy Consumption (2019) : 546 GW/year
≅ 160.000 households
677 million travellers/year (2019)
2400 Cars. 183 million cars·km (2019)
1 GVA installed capacity
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TUNNEL & STATIONS VENTILATION SYSTEM
• Inlet-air in stations
• Exhaust-air in tunnels
• Overpressure compensation
(piston effect)
640 FAN SHAFTS / 544 BLAST SHAFTS
913 FAN & THEIR ACCOUSTIC EQUIPMENT
VARIABLE FREQUENCY DRIVE
> 20 MW POWER CAPACITY
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Energy Saving Plan [PAE] (SINCE 2012)
TRACTION: optimization of consumption and increasing of regenerative braking
PAE SET OF ACTIONS to REDUCE ENERGY CONSUMPTION and IMPROVE SUSTAINABILITY
COMFORT: optimization of the tunnel & stations ventilation system
LIGHTING: implementation of LED technology in stations, manteinance buildings and trains
CHALLENGEENERGY SAVING 25%
Equivalent annual electricity consumption CITY OF ZARAGOZA
PAE
ENERGY CONSUMPTION 2012: 713,2 GWh
TRACTION: optimization of consumption and increasing of regenerative braking
Designed and developed entirely by Metro de Madrid
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DESIGN & SIZING
TRACTION: optimization of consumption and increasing of regenerative braking
PAE HIGH COMPLEXITY
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AHORRO
COMFORT
PAE CHALLENGEMAIN PARAMETERS
PREDICCIÓN METEREOLOGICA
TÚNEL
TRENES CLIENTESNot enough to anticipate the
behavior of some of the factors…
OPTIMIZING implies finding the BEST
SOLUTION in a complex, high
dimensional & multivariable search
domain.
RESTRICCIONES
NOISE CONTROLMAINTENANCE PLAN OPERATIVE NEEDS…
PRECIO ENERGÍA
TRAINS USERS
TUNNEL EQ.
WEATHER FORECAST
ENERGY COST
SAVINGRESTRICTIONS
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VENTILATION
SCHEDULE
OPTIMIZATIONMETAHEURISTICS
?
VARIABLE
INPUT
CONSTRAINTS
RESTRICTIONS
REINFORCEMENT LEARNING
WEATHER
FORECAST
TRAIN
FREQUENCY
TRAVELLERS
FLOW
PLATFORM
TEMPERATURE
MEASUREMENTSDATABASE
PHYSICAL APPROACH
NUMERICAL SIMULATION (SES)
PR
ED
ICT
IVE
A
NA
LY
TIC
S
GIVA . I . CONCEPTUALMODEL
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ARTIFICIAL BEE COLONY (ABC) [KARABOGA, 2005]
Flower fields→ FEASIBLE SOLUTIONS DOMAINNectar quality→FUNCTIONAL TARGET VALUE
METAHEURISTIC APPROACH……ESTRICTLY OPTIMAL [MATH SENSE]…
NOT WARRANTED
…BUT HIGH COMPUTATIONAL EFFICIENCY…
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Control Panel
TRACTION: optimization of consumption and increasing of regenerative braking
PAE
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CHALLENGERESULTS
MAE Temperature
Forecast0.9ºC
Reduction in ancillary
comsumption over 19.6%
(before July 2020 - COVID)
Equivalent Reduction in
CO2 footprint
Improvement customer
comfort (% hours into
comfort range) over 4%
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Global Results Energy Saving Plan
PAE
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Área de Ingeniería