Zone/Room(Level(Control(based(on(...
Transcript of Zone/Room(Level(Control(based(on(...
Zone/Room(Level(Control(based(on(Occupancy(Informa:on(for(Energy(
Efficient(Buildings((SubmiBed(to(ACC’12)(
Siddharth(Goyal((Herbert(Ingley,(Prabir(Barooah)(
Mechanical(and(Aerospace(Engineering(University(of(Florida(
Work(supported(by(Na:onal(Science(Founda:on(through(grants(ECCSS0955023(and(CNSS0931885(
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Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(
Room#for#Energy#Saving##S(Heat(up(the(room(only(when(people(are(there(S(Let(the(temperature(float(in(a(comfortable(range(while(minimizing(the(
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Mo:va:onSCurrent(Prac:ce(1. Two(separate(PID(loops((S(one(for(supply(air(flow(rate((S(one(for(supply(air(temperature(2.(Set(Point(control(3.(No(account(for(people(or((outside(weather.(
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Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(
SA(flow(rate((and(temp(
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Room(Temp(Humidity,(Indoor(air(quality((
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Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(
Control(Strategy(S(MPC(MPC#
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Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(
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Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(
TSA
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Results(Outputs:#Zone#Temperature#and#Humidity#Ra6o##
Time#(Hr)#Time#(Hr)#
Zone
#Tem
perature#(F)#
Zone
#Hum
idity#Ra
6o#(g/Kg)#
Current#Prac6ce#
Current#Prac6ce#
MPC:Case#2#MPC:#Case#2#MPC:#Case#1#
MPC:#Case#1#
Time#(Hr)#Occup
ancy#
Time#(Hr)#Occup
ancy#
Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(
( ( ( ( ( Results(
Controller## Energy#Consump6on#(MJ)#
Incremental#Savings#(%)#
Total#Savings# Incremental*#Annual#Savings#
Current(Prac:ce(
1074( S( S( S(
MPC:(Case(2( 552( 49# 42#billion#$# 42#billion#$#
MPC:(Case(1( 355( 37# 61#billion#$# 19#billion#$#
ENERGY#CONSUMPTION#OVER#A#24`HOUR#PERIOD,#AND#INCREMENTAL#ANNUAL#MONEY#SAVINGS#WITH#VARIOUS#CONTROLLERS.#
*newscenter.lbl.gov.(In(US,(energy(consumed(in(buildings(is(worth(350(billion($.(Commercial(buildings(consume(50%(of(it.((Hea:ng(+(Cooling(consume(50%(of(commercial(building(energy(
Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(
Summary/Future(Work(
QUESTIONS?#
Details:))plaza.ufl.edu/siddgoya)
S #Development#of#Informa6on#Based#Zone#level#Control##########Algorithms#to#Save#Total#Energy#Consump6on#in#a#Building#S #Comparision#of#Energy#Savings#Over#Control#Method#in#Prac6ce#
Future#work#includes:#`#Use#a#beger#op6miza6on#sohware#such#as#IPOPT#instead#of#fmincon##`Implemen6ng#the#control#in#a#real#building#(Pugh#Hall),#and#compare#the#energy#savings.#
Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(
Results(Inputs:#Supply#Air#Flow#Rate#and#Temperature##
Supp
ly#Air#Flow#Rate#(cfm
)#
Time#(Hr)# Time#(Hr)#Supp
ly#Air#Tem
perature#(F)#
State##of#Art#
State##of#Art#
MPC#+Load#Measurement#
MPC#+Load#Measurement#
MPC#+#Load#Predic6on#
MPC#+#Load#Predic6on#
Only#Load#Measurement#
Only#Load#Measurement#
Time#(Hr)#Occup
ancy#
Time#(Hr)#Occup
ancy#
Brown(Bag(Seminar(at(the(University(of(Florida(Copyright(Siddharth(Goyal(Nov(2011(