Calculation of Instantaneous Frequency and Instantaneous Bandwidth (1)
Gradient-based Instantaneous Tra c Flow Optimization on a ...Gradient-based Instantaneous Tra c Flow...
Transcript of Gradient-based Instantaneous Tra c Flow Optimization on a ...Gradient-based Instantaneous Tra c Flow...
Gradient-based Instantaneous Traffic Flow Optimization
on a Roundabout
Legesse Lemecha Obsu, Paola Goatin, Semu Mitiku Kassa
To cite this version:
Legesse Lemecha Obsu, Paola Goatin, Semu Mitiku Kassa. Gradient-based InstantaneousTraffic Flow Optimization on a Roundabout. 2014. <hal-00935351>
HAL Id: hal-00935351
https://hal.inria.fr/hal-00935351
Submitted on 23 Jan 2014
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r♥ts ♥st♥t♥♦s r ♦ ♣t♠③t♦♥
♦♥ ♦♥♦t
ss s∗ P♦ ♦t♥† ♥ ♠ ss‡
♣rt♠♥t ♦ t♠ts s ❯♥rst② t♦♣♥r ♦♣♥t♣♦s étrr♥é P P ♦♣ ♥t♣♦s r♥
♣rt♠♥t ♦ t♠ts s ❯♥rst② t♦♣
♥r②
strt
♥ ts rt ♦s ♦♥ ♥st♥t♥♦s tr ♦ ♦♣t♠③t♦♥ ♦♥ r♦♥♦t s♥ ♠r♦s♦♣ ♣♣r♦ r♦♥♦t s ♠♦ s ♦♥t♥t♦♥ ♦ 2× 2 ♥t♦♥st ♦♥ ♠♥ ♥ ♥ s♦♥r② ♥♦♠♥ ♥ ♦t♦♥ r♦s ❲ ♦♥sr ♦st ♥t♦♥ tt ♠srs t t♦t tr t♠ s♣♥t ② rrs ♦♥ t r♦♥♦t ♥ ♦♠♣tts r♥t t rs♣t t♦ t ♣r♦rt② ♣r♠trs t ♥t♦♥s ♥ tr♦ ♥♠rs♠t♦♥s t tr ♦r s st ♦♥ t ♦ r♦♥♦t ♥♠r ♣♣r♦①♠t♦♥s ♦♠♣r t ♣r♦r♠♥ ♦ r♦♥♦t ♦r ♥st♥t♥♦s ♦♣t♠③t♦♥ ♦t ♣r♦rt② ♣r♠trs ♥ ① ♦♥st♥t ♣r♠trs
②♦rs r ♦ r♦♥♦t sr ♦♥srt♦♥ s r♥ts ♦♣t♠③t♦♥
st sst♦♥
♥tr♦t♦♥
♦r♥s ♦ ♠r♦s♦♣ tr ♦ ♠♦s t t♦ s ♥ t s♠♥ ♦rs ♦t ♥ ❲t♠ ❬❪ ♥ rs ❬❪ ♣r♦♣♦s ②♥♠ ♠♦ ♦r r tr♦ ♦♥ ♥ ♥♥t s♥ r♦ ♦♠♠♦♥② ♥♦t s ❲ s ♠♦ s ♥ ①t♥ t♦r♦ ♥t♦rs ② sr t♦rs ♥ ♠♦st r♥t ②rs s ❬ ❪ ♥ rr♥s tr♥ ♥t ♥t♦r stt♥ ♦♥♠♥s♦♥ ②♣r♦ s②st♠s ♦ ♦♥srt♦♥ s r s♦ ♥ ♥tr♠♦r ♦r ♠♦♥ s ♣♣♥ ♦ ❬❪ t ♥t♦rs ❬❪ ♥ s♣♣② ♥s ❬❪ s
∗ ♦rrs♣♦♥♥ t♦r① ♠ ♦♠♦♠
† ① ♠ ♣♦♦t♥♥rr
‡ ① ♠ s♠♠tt
♠♦s s♦ ♥ t③ ♦r t ♦♣t♠③t♦♥ ♦ r tr ♦ ♦♥ r♦ ♥t♦rstr♦ r♦s ♣♣r♦s s ♦r ①♠♣ ❬ ❪ ♣t♠ ♦♥tr♦ ♦ tr ♦ ♦♥♥t♦rs ♥ ♥stt ② r♥t t♦rs s♥ r♥t ♦♣t♠③t♦♥ t♥qst ♣rs♥tt♦♥ ♥ ♥②ss ♥ ♦♥ ♦r ①♠♣ ♥ ❬❪ ♥ rr♥ tr♥
②♣r♦ ♦♥srt♦♥ s ♠② ♥♦♥♥r ♥ t♦ ♥♦♥♦♥① ♦r ♥♦♥♥r ♦r♠t♦♥s ♦ t ♦rrs♣♦♥♥ ♦♣t♠③t♦♥ ♣r♦♠ ♥ s ss r ♦♣t♠③t♦♥ t♥qs①st ♦r t srt③ rs♦♥ ♦ t ♣r♦♠s t♥ ♦r ♦♥① ♣r♦♠s ♥ ♣♣r♦ s t♦♣♣r♦①♠t t s②st♠ t r① rs♦♥ ♥ ♦rr t♦ s ♥t ♥r ♣r♦r♠♠♥ t♥qs ♥r③t♦♥ ♣♣r♦ s s ♥ ❬❪ ♦r ♦♣t♠ r♠♣ ♠tr♥ s♥ ♦♥♦srt③t♦♥ s♠
♦r ♥♦♥♥r ♦♣t♠③t♦♥ t♥qs s s r♥t s♥t ♠t♦ ♥ ♣♣ t♦t srt③ s②st♠ t♦t ♥② ♠♦t♦♥ t♦ t ♥r②♥ ②♥♠s r♥t s♥ts rst♦rr ♦♣t♠③t♦♥ ♦rt♠ s ♥♦ r♥t ♦r ♥♥ ♥q ♦♠♥♠♠ ♥ ♥r
♦ ♥st♥t♥♦s ♦♥tr♦ s ♥ sss ♥ ❬❪ ♦r t ♦♣t♠③t♦♥ ♦ tr ♦♣r♦♠s ♦♥ r♦ ♥t♦rs ♣r♣♦s s t♦ ♠♥♠③ r st♦r rqr♠♥ts rs♥ r♦♠t ♥t♦r strtr ♥ t str♦♥ ♦♣♥ ♦ ♦♥ts ♥ stt qt♦♥s ② ♥rt♥ sq♥ ♦ ♦♣t♠ ♦♥tr♦ ♣r♦♠s ♦ r ♠♥s♦♥ ♥ ts rt rtr t♥ ♥rt♥ sq♥ ♦ s♦♣t♠ ♦♥tr♦ ♣r♦♠s ♦♠♣t t r♥t ♦ t ♦st ♥t♦♥ t t♠ st♣ tn t♦ ♦t♥ t ♦♣t♠ ♣r♦rt② ♣r♠trs ❲ ♣♣② t ♣r♦r t♦ ♠♥♠③ tt♦t tr t♠ r♦ss r♦♥♦t ♦r♥ r♦♥♦ts r ♥♦ ♦♥sr s ♥ tr♥ttr ♦♥tr♦ tt ♥ ♠♣r♦ st② ♥ ♦♣rt♦♥ ♥② t ♥trst♦♥s ♥♦♠♣r t♦ ♦tr ♦♥♥t♦♥ ♥trst♦♥ ♦♥tr♦s s② ♦r tr ♦ ♠♥♠♥t ♦r t♦♠♣r♦ st② ❬❪ ♦♥♦ts ♥ s♥ s ♣rtr r♦ ♥t♦rs ♥ ♥ ♠♦s ♣r♦ ♦♥t♥t♦♥ ♦ ♥t♦♥s ❲ ♦♥sr r♦♥♦t t rtrr② m ♥♦♠♥♥ m ♦t♦♥ r♦s m ∈ N r sr s ♦♥t♥t♦♥ ♦ m 2 × 2 ♥t♦♥st t♦ ♥♦♠♥ ♥ t♦ ♦t♦♥ r♦s ♥ ♣rtr ♥t♦♥ s ♦♥ ♥♦♠♥ ♠♥♥ ♦♥ ♦t♦♥ ♠♥ ♥ ♥ tr ♥ t ♥♦♠♥ ♥ ♦t♦♥ ①s trr♦ s ♠♦ ② r ♦ ♥♥t ♣t② ♦r t ♥tr♥ ① ♥ t ♥ ♥♥t s♥♦r t ①t♥ ♦♥ ♠♥ ♥ ♦t♦♥ s sr ② sr ②♣r♦ ♦♥srt♦♥ rs t r ②♥♠s s sr ② ♥ ♦r♥r② r♥t qt♦♥ ♣♥s ♦♥ t r♥ t♥ t ♥♦♠♥ ♥ ♦t♦♥ ①s ♦♥ t ♥
rt s strtr s ♦♦s ♥ t♦♥ sr t ♠t♠t ♠♦ ♦rt r♦♥♦t ♥ t ♦r♥♥ qt♦♥s ♥ t♦♥ ♣rs♥t t s♦t♦♥ ♦ t ♠♥♥ ♣r♦♠ t ♥t♦♥s t♦♥ ts ♥♠r ♣♣r♦①♠t♦♥s ♥ stts t ♣t♣r♦r ♥ t♦♥ sr t ♦♣t♠③t♦♥ ♣r♦♠ ♦ P ♦♥str♥ s②st♠♥ t ♦r♠t♦♥ ♦ t ♥st♥t♥♦s ♦ ♦♣t♠③t♦♥ t♦♥ s ♦t t♦ ♥♠rs♠t♦♥s ♥② ♦♥s♦♥s ♥ t♦♥
t♠t ♦ ♦r t ♦♥♦t
♥ ts ♦r ♦♥sr r♦♥♦t ♦♥♥ m r♦s m ∈ N m ≥ 2 s strt ♥ r
J1 Jm−2
Jm
J2J3
Jm−1
r t ♦ t r♦♥♦t ♦♥sr ♥ t rt
r♦♥♦t ♥ s♥ s ♥ ♦r♥t r♣ ♥ r♦s r r♣rs♥t ② rs ♥♥t♦♥s ② rt①s ♥ ♦r♠♥ t r♦♥♦t s ♠♦ ② ♥trs Ii = [xi−1, xi]⊂ R xi−1 < xi i = 1, 2, . . . ,m ♥t♦♥ Ji s ♦t t x = xi ♦r i = 1, 2, . . . ,m
JiIi Ii+1
ri ri+1
r t ♦ r♦♥♦t ♥t♦♥
♦ r♦r t ♦r ♦ t r♦♥♦t ♣r♦ ♦♥r② ♦♥t♦♥s r ♥tr♦ ♦♥t ♠♥ ♥ s tt xm = x0 ♥t♦♥ s ♦♠♣♦s ♦ ♠♥ ♥ ♥ ② t♦ ♥sr♣rs♥t♥ ♥ t ♥♦♠♥ ① (ri) ♥ ♥ t ♦t♦♥ ① (ri+1) s r ♦t♦♥ ♦ t tr ♦ ♦♥ t ♠♥ ♥ s♠♥ts s ♥ ② t sr ②♣r♦♦♥srt♦♥
∂tρi + ∂xf(ρi) = 0, (t, x) ∈ R+ × Ii, i = 1, 2 . . . ,m,
r ρi = ρi(t, x) ∈ [0, ρmax] s t ♠♥ tr ♥st② ρmax t ♠①♠ ♥st② ♦ ♦♥t r♦ ① ♥t♦♥ f : [0, ρmax] → R
+ s ♥ ② ♦♦♥ ①♥st② rt♦♥
f(ρ) =
ρvf 0 ≤ ρ ≤ ρc,fmax
ρmax − ρc(ρmax − ρ) ρc ≤ ρ ≤ ρmax,
t vf t ♠①♠ tr s♣ ρc =fmax
vft rt ♥st② ♥ fmax = f(ρc) t ♠①♠
① ❲ ♥ t ♦♥st ♦ s♣ s wf =fmax
ρmax − ρc♦r ρc ≤ ρ ≤ ρmax r♦
♦t t ♣♣r ♦r s♠♣t② ss♠ ρmax = 1 ♥ vf = 1 r s♦s ♥ ①♠♣♦ ① ♥t♦♥ sts②♥ t ②♣♦tss ♦r t t♦r② ♦ sr ②♣r♦ ♦♥srt♦♥ s rr t♦ ❬❪
ρρc ρmax
fmax
f(ρ)
vf fmax
ρmax−ρc
r ① ♥t♦♥ ♦♥sr
♥♦♠♥ ♥s ♦ t s♦♥r② r♦s ♥tr♥ t ♥t♦♥s r ♠♦ ② rs ♦♥♥t s③ ♥ ♣t② ♦t♦♥ ♦ t q ♥t ♦ r s sr ② t♦♦♥
d
dtli = F in
i − γri , t ∈ R+, i = 1, 2 . . .m,
r li(t) ∈ [0,+∞[ s t q ♥t F ini t ① ♥tr♥ t ♥ ♥ γri t ① ①t♥
t ♥ ♦t♦♥ ♥ s ♦♥sr s s♥ tt ♣ts t ① ♦♠♥ r♦♠ tr♦♥♦t ♦ ① r♦♠ t ♥♦♠♥ ♥ s ♦ t♦ tr♥ ♦♥ t ♦t♦♥ strt ♦t s♠ r♦ ② ♣r♦♠ t♦ s♦ s t♥
∂tρi + ∂xf(ρi) = 0, (t, x) ∈ R+ × Ii,
d
dtli(t) = F in
i − γri , t ∈ R+,
ρi(0, x) = ρ0i x ∈ Ii,
li(0) = li,0
♦r i = 1, 2 . . . ,m r ρi,0(x) r t ♥t ♥sts ♦♥ Ii ♥ li,0 t ♥t ♥ts ♦t rs s ♦♣ t ♥ ♦♣t♠③t♦♥ ♣r♦♠ t t ♥t♦♥s tt s tstrt♦♥ ♦ tr ♠♦♥ t r♦s❲ ♥ t ♠♥ d(F in
i , li) ♦ t ♥♦♠♥ ♥ ♦r t s♦♥r② r♦ t ♠♥ ♥t♦♥δ(ρi) ♦♥ t ♥♦♠♥ r♦♥♦t s♠♥t t ♥t♦♥ ♥ t s♣♣② ♥t♦♥ σ(ρi) ♦♥t ♦t♦♥ ♠♥ ♥ s♠♥t t ♥t♦♥ s ♦♦s
d(F ini , li) =
γmaxri li(t) > 0,
min (F ini , γmax
ri ) li(t) = 0,
δ(ρi) =
f(ρi) 0 ≤ ρi < ρc,fmax ρc ≤ ρi ≤ 1,
σ(ρi) =
fmax 0 ≤ ρi ≤ ρc,f(ρi) ρc < ρi ≤ 1,
♦r i = 1, 2, . . . ,m r γmaxri s t ♠①♠ ♦ ♦♥ t ♥♦♠♥ ♥ ri i = 1, 2, . . . ,m
♦r♦r ♥tr♦ βi ∈ ]0, 1[ t s♣t rt♦ ♦ t ♦t♦♥ ♥ ri+1 ♥ ts ① γri+1(t) =
βf(ρi(t, 0−)), i = 1, 2 . . . ,m
♥t♦♥ ♦♥sr r♦♥♦t s ♥ r 2mt♣
(ρi, li)i=1,...,m ∈
m∏
i=1
C0(R
+;L1 ∩ ❱(R))×
m∏
i=1
W1,∞(R+;R+)
s ♥ ♠ss s♦t♦♥ t♦
ρi stss t r♦ ♥tr♦♣② ♦♥t♦♥ ❬❪ ♦♥ (R+ × Ii), tt s ♦r r② k ∈ R ♥♦r ϕ ∈ C1
c (R× Ii), t > 0,
∫R+
∫Ii(|ρi − k|∂tϕ+ sgn (ρi − k)(f(ρi)− f(k))∂xϕ)dxdt
+∫Ii|ρi,0 − k|ϕ(0, x)dx ≥ 0; i = 1, 2, . . . ,m.
f(ρi(t, xi−)) + γri(t) = f(ρi+1(t, xi+)) + γri+1(t) i = 1, 2, . . . ,m
♦t♦♥ ① f(ρi+1(t, xi+)) s ♠①♠♠ st t♦
f(ρi+1(t, xi+)) = min((1− βi)δ(ρi(t, xi−)) + d(F in
i (t), li(t)), σ(ρi+1(t, xi+))),
♥ 2
li s♦s ♦r ♠♦st r② t ∈ R+.
♠r ♣r♠tr qi ∈]0, 1[ s ♥tr♦ t♦ ♥sr ♥q♥ss ♦ t s♦t♦♥ tt s qis ♣r♦rt② ♣r♠tr tt ♥s t ♠♦♥t ♦ ① tt ♥trs t ♦t♦♥ ♠♥♥ r♦♠ ♥♦♠♥ r♦ ♥ ♣rtr ♥ t ♣r♦rt② ♣♣s qif(ρi+1(t, xi+1/2−)) s t ①♦ r♦♠ t ♥♦♠♥ ♠♥♥ ♥t♦ t ♦t♦♥ ♠♥♥ ♥ (1− qi)f(ρi+1(t, xi+1/2−))t ① r♦♠ t ♦♥r♠♣
♠♥♥ Pr♦♠ t ♥t♦♥
♥ ts st♦♥ r r② t ♦♥strt♦♥ ♦ t ♠♥♥ s♦r t ♥t♦♥ ♦♦♥ ❬❪t ♠♦t♦♥ ♦♥ Γi ♥ ♦rr t♦ ♠t ♣r♦rt② ♦♥t♦♥s ♦♥ t r♦♥♦t ❲ ♥ t♠♥♥ ♦r t ♥t♦♥ ② ♠♥s ♦ ♠♥♥ ♦r RS l : [0, 1]
2 → [0, 1]2 ♣♥s♦♥ t ♥st♥t♥♦s ♦ ♦ t r l ♦r l t ♠♥♥ ♦r RS l(ρi, ρi+1) =(ρi, ρi+1) s ♦♥strt ♥ t ♦♦♥ ② ♦r i = 1, . . . ,m ① qi ∈ [0, 1] ♥♣r♦
♥ Γi = f(ρi(t, xi−)) Γi+1 = f(ρi+1(t, xi+)) Γri = γri(t)
♦♥sr t s♣ Γi Γri ♥ t sts Oi = [0, δ(ρi)] Ori = [0, d(F ini , l)]
r t ♥s (1− βi)Γi + Γri = Γi+1 ♥ Γi =qi
(1− qi)(1− βi)Γri
♦♥sr t r♦♥
Ωi =(Γi,Γri) ∈ Oi ×Ori : (1− βi)Γi + Γri ∈ [0,Γi+1]
.
r♥t stt♦♥s ♥ ♦r ♣♥♥ ♦♥ t ♦ Γi+1
• ♠♥♠t s Γi+1(1− βi)δ(ρi) + d(F ini , l)
❲ st Γi = δ(ρi) Γri = d(F ini , l) ♥ Γi+1 = (1 − βi)δ(ρi) + d(F in
i , l), s strt ♥r
• ♣♣②♠t s Γi+1 = σ(ρi+1)
❲ st Q t♦ t ♥trst♦♥ ♣♦♥t ♦ (1−βi)Γi+Γri = Γi+1 ♥ Γi =qi
(1− qi)(1− βi)Γri
Q ∈ Ωi st (Γi, Γri) = Q ♥ Γi+1 = Γi+1 s r Q /∈ Ωi stΓiΓriS ♥ Γi+1 = Γi+1 r S s t ♣♦♥t ♦ t s♠♥t Ωi∩(Γi,Γri) : (1− βi)Γi + Γri = Γi+1
♦sst t♦ t ♥ Γi =qi
(1− qi)(1− βi)Γri s r
Γrid(F ini , l)
Γi
δ(ρi)
Γi+1 = (1− βi)Γi + Γri
Q
♠♥♠t s
Γrid(F ini , l)
Γi
δ(ρi)
Γi+1 = (1− βi)Γi + Γri
Γi =qi
(1−qi)(1−βi)Γri
Q
♣♣②♠t s ♥trst♦♥ ♥s Ωi
Γrid(F ini , l)
Γi
δ(ρi)
Γi+1 = (1− βi)Γi + Γri
Γi =qi
(1−qi)(1−βi)Γri
Q
S
Γrid(F ini , l)
Γi
δ(ρi)
Γi+1 = (1− βi)Γi + Γri
Γi =qi
(1−qi)(1−βi)Γri
Q
S
♣♣②♠t s ♥trst♦♥ ♦ts Ωi
r ♦t♦♥s ♦ t ♠♥♥ ♦r t t ♥t♦♥
❲ ♥ t ♥t♦♥ τ s ♦♦s ♦r ts s ❬❪
♥t♦♥ t τ : [0, 1] → [0, 1] t ♠♣ s tt
• f(τ(ρ)) = f(ρ) ♦r r② ρ ∈ [0, 1]
• τ(ρ) 6= ρ ♦r r② ρ ∈ [0, 1] \ ρc.
♦r♠ ♦♥sr ♥t♦♥ Ji ♥ ① ♣r♦rt② ♣r♠tr qi ∈]0, 1[ ♦r r② ρ0i , ρ0i+1 ∈
[0, 1] ♥ l0i ∈ [0,+∞[ tr ①sts ♥q ♠♠ss s♦t♦♥ (ρi(t, x), ρi+1(t, x), li(t)) sts②♥ t ♣r♦rt② ♣♦ss② ♥ ♥ ♣♣r♦①♠t ② ♦r♦r tr ①sts ♥q ♦♣(ρi, ρi+1) ∈ [0, 1]2 s tt
ρi ∈
ρ0i ∪]τ(ρ
0i ), 1] 0 ≤ ρ0i ≤ ρc,
[ρc, 1] ρc ≤ ρ0i ≤ 1,f(ρi) = Γi,
♥
ρi+1 ∈
[0, ρc] 0 ≤ ρ0i+1 ≤ ρc,ρ0i+1 ∪ [0, τ(ρ0i+1)[ ρc ≤ ρ0i+1 ≤ 1,
f(ρi+1) = Γi+1.
♦r t ♥♦♠♥ r♦ t s♦t♦♥ s ♥ ② t (ρ0i , ρi) ♦r t ♦t♦♥ r♦ ts♦t♦♥ s ♥ ② t (ρi+1, ρ
0i+1) rtr♠♦r ♦r ♠♦st r② t > 0 t ♦s
(ρi(t, xi−), ρi+1(t, xi+)) = RSli(t)(ρi(t, xi−), ρi+1(t, xi+)).
♦r t ♣r♦♦ rr t rr t♦ ❬❪
♠r ♣♣r♦①♠t♦♥
♦ ♦♠♣t ♣♣r♦①♠t s♦t♦♥s ♣t t ss ♦♥♦ s♠ t♦ ♦r ♣r♦♠ ts♦♠ st♠♥t t♦ t ♣rs♥ ♦ t r s t ♥ t♦♥ ❲ s t ♦♦♥♥♦tt♦♥ t♦ ♥ ♥♠r r ♥ (0, T )× [x0, xm]
• xi i = 0, . . . ,m r t ♥trs
• Li = xi−xi−1 r♣rs♥ts t ♥t ♦ s♠♥t ♦ t r♦♥♦t ♥ ∆t s t t♠st♣ t♦ ♥ ♦r♥ t stt② ♦♥t♦♥ ♦
• tn = tn−1 +∆t n ∈ N r t t♠ r ♣♦♥ts
♦♥♦ ♠ t ♥t♦♥s
♥ ts ♦r ♦♥sr t st♥ t♥ t♦ ♥t ♥t♦♥s ♦ r♦♥♦t s t ①s♣ r s③ ♦ t ♦♥♦ srt③t♦♥ ♥ ♥t♦♥s s ♥trs s s s ♥ ♦ t r♦♥♦t s rs♦♥② s♦rt t♦ t t s♠ srt③t♦♥ ♥ ts stt♥♦♥ t ♠♥ r♦ ♦ t r♦♥♦t st
ρn+1i = ρni −
∆t
Li
(Fn,−i − Fn,+
i−1
), i = 1, 2, . . . ,m,
rFn,−i = Fn,−
i
(ρni , ρ
ni+1, qi, li, F
ini
)
Fn,+i−1 = Fn,+
i−1
(ρni−1, ρ
ni , qi−1, li−1, F
ini−1
),
i = 1, 2, . . . ,m.
①s Fn,+i−1 ♥ Fn,−
i st♥ rs♣t② ♦r ♥♦ Γi ♥ ♦t♦ Γi+1 t ♥t♦♥s Ji−1
♥ Ji ♦♥ t ♠♥ r♦ ♦ t r♦♥♦t
❯♥r t ♦r♥trrs② ♦♥t♦♥ ❬❪
∆t ≤mini Li
λmax
r λmax = maxvf , wf s ♦♥t♦♥ ♥srs tt s ♦r♥t♦♥ t ♥ ♥tr ♦ ♥♦tr♦ss ♦tr ♥trs ♦r ∆t
♦♠♣t♥ r ♥t r♦♠
❲ ♦♥sr t r ♦t♦♥ sr ② t♦ ♦♠♣t t q ♥t ♦♥ t s♦♥r②r♦ ♦ r♦♥♦t t t♠ st♣ tn = tn−1 +∆t ♣t t ♥ ♦ t q♥t s ♦♦s
F ini ≥ γri t r ♥t s ♥rs♥ ♥ st
ln+1i = lni +
(F ini − γri
)∆t, i = 1, 2, . . . ,m.
F ini < γri t r ♥t s rs♥ ♥ st
ti =lni
γri − F ini
+ tn
t t♠ t t r ♠♣ts
tn+1 < ti
ln+1i = lni +
(F ini − γri
)∆t, i = 1, 2, . . . ,m;
ti < tn+1 ∆t = t− tn ♥ ln+1i = 0
♣t ♦♥♦ ♠
❲ t r t s♠ s ♦r ♥♠r ♦♠♣tt♦♥s ❲ ♣t t s ♦ ♦♣t♠♣r♦rt② ♣r♠tr ♣♥♥ ♦♥ t stt♦♥ t ♥t♦♥ ♦ r♦♥♦t s t ♥ t♦♥ ♥ t stt rs s ♦♦s
♦rt♠ tt r ♣t ♣r♦r
♥♣t stts t t♠ tn (ρni , lni )i=1,...,m
t♣t stts t t♠ tn+1 (ρn+1i , ln+1
i )i=1,...,m
ti > tn+1 ♦r ti ≤ tn ∀i st tn+1 = tn +∆t ♥ ♣t t ♥st② ♦♥ r♦♥♦tt ♦♥♦ ①s t ♥t♦♥s
ρn+1i = ρni −
∆t
Li
(Fn,−i − Fn,+
i−1
), i = 1, 2, . . . ,m,
♥ t r ♥ts t ♥t♦♥ Ji ♦ t r♦♥♦t t
ln+1i = lni +∆t
(F ini − γri
), i = 1, 2, . . . ,m.
tn < ti < tn+1 ∃i ∈ 1, 2, . . . ,m st tn+1 = ti ♥ ∆t = tn+1 − tn ♣t t♥st② ♦♥ t r♦♥♦t t ♦♥♦ ①s t ♥t♦♥s
ρn+1i = ρni −
∆t
Li
(Fn,−i − Fn,+
i−1
), i = 1, 2, . . . ,m,
♥ t r ♥ts
ln+1i = lni +
(F ini − γri
)∆t, i = 1, 2, . . . ,m.
s ♦rt♠ ts s ♥♣ts t stts ρni , ♥ lni t t♠st♣ n ♦r r♦♥♦t ♥s♥ ♦♥ t ♥♦♠♥ s♦♥r② r♦s ♥ rtr♥s t stts ♥ ② ♦♥ t♠ st♣
♦ ①♣t Fn,±i ♥ γri s ♦♥ r♥t ss ♦ ♠♥♥ ♦rs t ♥t♦♥
stt♦♥ t ♥t♦♥s ♥ ♠♥♠t ♦r s♣♣②♠t ♦t ss r t
♠♥♠t s t ♥t♦♥ Ji (1− βi)δ(ρni ) + d(F in
i , lni ) ≤ σ(ρni+1)
♥ ts s st Γi = δ(ρi−1) ♥ γri = d(F ini , li) r♦♠ ts t s ♥t tt t♦s ♦
♠♥ t♦ ♥tr t ♥t♦♥ ♥ ssss t t♦t rstrt♦♥ ♥
Fn,+i = (1− β)δ(ρni ) + d(F in
i , lni )
♥ t t ♥st♥t t♠ tn t ① t t t s ♦ t ♥t♦♥ rs s
Fn,−i = δ(ρni ).
ss t ②♥♠s ♦ r ♥t t t ♥tr♥ ♦ t r♦♥♦t s ♦r♥ ②
d
dtlni (t) = F in
i − d(F ini , lni ),
sln+1i = lni +
(F ini − d(F in
i , lni ))∆t.
♣♣②♠t s t ♥t♦♥ Ji (1− βi)δ(ρni ) + d(F in
i , lni ) > σ(ρni+1)
❲ t t ① t t rt ♥ s ♦ t ♥t♦♥ s
Fn,+i = σ(ρni+1),
♦♥ t t s t ♦♠s
Fn,−
i+ 12
=
δ(ρni ) 1 ≥ qi > min1, Qi2,
qi1− βi
σ(ρni+1) max0, Qi1 ≤ qi ≤ min1, Qi
2,
σ(ρni+1)− d(F ini , lni )
1− βi 0 ≤ qi < max0, Qi
1,
r
Qi1 =
σ(ρni+1)− d(F ini , lni
)
σ(ρni+1)and Qi
2 =(1− βi)δ(ρ
ni )
σ(ρni+1).
s ♥ t ♣r♦s s t ②♥♠s ♦ t r ♥t s ♦r♥ ②
d
dtlni =
F ini − (σ(ρni )− (1− βi)δ(ρ
ni )) 1 ≥ qi > min1, Qi
2,
F ini − (1− qi)σ(ρ
ni+1) max0, Qi
1 ≤ qi ≤ min1, Qi2,
F ini − d(F in
i , lni ) 0 ≤ qi < max0, Qi1,
♥trt♥ ②s
ln+1i =
lni +(F ini −
(σ(ρni+1)− (1− βi)δ(ρ
ni )))
∆t 1 ≥ qi > min1, Qi2,
lni +(F ini − (1− qi)σ(ρ
ni+1)
)∆t max0, Qi
1 ≤ qi ≤ min1, Qi2,
lni +(F ini − d(F in
i , lni ))∆t 0 ≤ qi < max0, Qi
1.
♥st♥t♥♦s ♣t♠③t♦♥ ♦ P ♦♥str♥ ②s
t♠
❲ r ♥trst ♥ tr♠♥♥ srt ♥st♥t♥♦s ♦♣t♠ ♣r♦rt② ♣r♠trs qni = qi(tn)
t♦ ♠♥♠③ t♦t tr t♠ ♦♥ t r♦♥♦t ♦♥ ① t♠ ♥tr [0, T ] ①♣rss ② t♦st ♥t♦♥
J(~q) =m∑
i=1
∫ T
0
∫
Ii
ρ(t, x) dxdt+m∑
i=1
∫ T
0
li(t) dt.
♦ ~q : [0,T] → [0, 1]m s t t♠ ♣♥♥t t♦r ♦ ♦♥tr♦ rs ❲ st ♥st♥t♥♦s ♦♣t♠ ♦♥tr♦ ♣♣r♦ t♦ ♠♥♠③ t t♦t tr t♠ ♦♥ t ♥t♦rs ♦ tr♦♥♦t ♥r ♦♥srt♦♥ ♥ t♠ st♣ ∆t t♦ r♣ t ∆t ♥ ♥♦♠♣t t t ♦♥t♦♥ ♥tr♦ t ♥st♥t♥♦s ♦st ♥t♦♥ Jn tt♠ tn ♥ s
Jn(~q) = ∆tm∑
i=1
Liρn+1i +∆t
m∑
i=1
ln+1i
= ∆t
m∑
i=1
[Liρ
ni −∆t
(Fn,−i − Fn,+
i−1
)]
+∆t
m∑
i=1
[lni +∆t
(F ini − γri
)],
r t ♣♥♥s ♦ Fn,±i ♥ γri ♦♥ qi r ①♣rss ② ♥ t ♠♥♠t
s ♥ ② ♥ t s♣♣②♠t stt♦♥ ❲t♥ ts r♠♦r trt ♦t♠♥ ♥ s♣♣②♠t ss t ♥t♦♥s ♥ t ♦♠♣tt♦♥ ♦ t r♥t ♦♥sr ss s ♦♥ t stt♦♥ t t ♦rrs♣♦♥♥ ♥t♦♥ ♦ t r♦♥♦t ♦♣t♠③t♦♥ ♣r♦♠ ts rts
min~q∈[0,1]m
Jn(~q).
♦t tt ♥ ♦r s t ♦st ♥t♦♥ Jn s ♣s ♥r t rs♣t t♦ qi i = 1, . . . , ntrt ♦rr ♦♠♣tt♦♥s
∂
∂qniJn(~q) =
βi
βi − 1σ(ρni+1)∆t2 ≤ 0 if qi ∈ [max0, Qi
1,min1, Qi2]
0 otherwise,
r Qi1 Q
i2 r ♥ ② Jn s rs♥ ♦♥ t ♥tr [Qi
1, Qi2] ♥ ♦♥sq♥t② t
s ♦ ♦♣t♠ ♣r♦rt② ♣r♠tr tt♥ t Qi2 r♦r ♥② ♦ ♦ qi ≥ min1, Qi
2i = 1, . . . ,m s♦s rst♥ ♥ t s♠ ♦ ②♥♠s r♦ ♦ t ♣r♦rt② ♣r♠trss t♦ ♦r t ♣r♦rt② t♦ ♥tr ♠♣♦s ♥s♥t ♦s ♥♦r s♥ ①ss s t♥ trr②♥ ♣t② ♦ t ♠♥ ♥ ♦ t r♦♥♦t ♦♣t♠ ♣r♠tr s r st♦ ♣t t ♣r♦rt② rs qni st ♦r trt♦♥ n t♦ ♣r♦ ♦ ♦♣t♠s♦t♦♥ tt stss t ♥ trt
♠r sts
♥ ts st♦♥ t t rsts ♦t♥ tr♦ ♥♠r s♠t♦♥s ♦r r♦♥♦t♠♦ s ♦♥t♥t♦♥ ♦ ♦r 2 × 2 ♥t♦♥s t t♦ ♥♦♠♥ ♥ t♦ ♦t♥ r♦s s♣t ♥ r
J1 J3
J2
J4
r ♦♥♦t ♦♥sr ♦r ♥♠r s♠t♦♥s
❲ r♣rs♥t t r♦♥♦t ♥r ♦♥srt♦♥ s
• r♦s ♦r♠♥ t r♦♥♦t I1, I2, I3, I4, I5 t I1 ♥ I5 ♥ t ♣r♦ ♦♥r② ♦♥t♦♥s
• r♦s ♦♥♥t♥ t r♦♥♦t t t rst ♦ t r♦ ♥t♦r ♥♦♠♥ ♥ ♦t♦♥ ♥s
❲ ♥②③ t ♦st ♥t♦♥ ♥tr♦ ♥ t♦♥ ♥ ♣rtr ♥t t♦ ♦♠♣rt t♥ss ♦ ♥st♥t♥♦s ♦♣t♠ ♦s ♦ t ♣r♦rt② ♣r♠trs ♥ ② qi = Qi
2i = 1, . . . ,m t rs♣t t♦ ① ♦♥st♥t ♣r♠trs ♦r ts ♦♠♣t t ♦rrs♣♦♥♥ ♦ t srt③ ♥t♦♥
J(~q) = ∆t
nT∑
n=0
m∑
i=1
Liρn+1i +∆t
nT∑
n=0
m∑
i=1
ln+1i ,
t ~q : [0, T ] → [0, 1]m s ♣s ♦♥st♥t ♦♥ [tn, tn+1[ n = 0, . . . , nT r st t0 = 0♥ tnT+1 = T
♠t♦♥ rtrsts
♦ ♣rs♥t t ♦ ♦ s♠t♦♥ ♣r♠trs ♥♠r ♣♣r♦①♠t♦♥ ♦ t②♣r♦ ♦♥srt♦♥ s tt sr t ♦t♦♥ ♦ ♥sts ♦r r♦ ♦ t r♦♥♦t s ♠ s♥ t ♣t ♦♥♦ s♠ sr ♥ t♦♥ t♠ st♣ str♠♥ ② t stt② ♦♥t♦♥ t ♦♥t q t♦ Pr♦ ♦♥r②♦♥t♦♥s r ♠♣♦s ♦♥ t t ♥ ♦♥ t rt ♦ t ♦♠♣tt♦♥ ♦♠♥ ssrt③ s♥ ♥ ①♣t r rst ♦rr ♥trt♦♥ ♠t♦ r♦♥♦t tr ♦t♦♥ s s♠t ♦♥ t♠ ♥tr [0, T ] t T = 30 ♦♥ ♥♦ t♦ tt♥ st③stt♦♥
t ♥t t♠ t = 0 ss♠ tt t ♥s ♥ t rs r ♠♣t② ♥ ♠♣♦sFi
in 6= 0 t ♥t♦♥s ♦r t s♠t♦♥s ♦♥sr ρmax = vf = 1 fmax = ρc = 0.66Li = 1 ♥ γmax
ri = 0.65 ♦r i = 1, . . . , 4 ♥② ♦r ♦ t ① ♦♥tr♦ ♣r♠trs
st② 6 × 6 s♠t♦♥ ss s ♦♥ r♥t s ♦ t ① Fiin ♥ βi ♦r ♦
t♠ ♣r♦r♠ t♦ s♠t♦♥s
♥st♥t♥♦s ♦♣t♠ ♣r♦rt② ♣r♠trs ❲ s qi = Qi2 i = 1, . . . , 4 ♥ ♦
rt♠ t♦ ♦♠♣t t ♦rrs♣♦♥♥ ♦
① ♦♣t♠ ♣r♦rt② ♣r♠trs ♥ ts s t ♣r♦rt② ♣r♠trs qi r ♣t① t t s♠ ♦♥st♥t s ♦r ♥t♦♥s ♥ s♠t♦♥ ss ♥ s ♥s ♣♣② ♦rt♠ t♦ ♦♠♣t t stt rs ♦♥ ♥s ♦ t r♦♥♦t♥ t r ♥ts ♥ t ♦rrs♣♦♥♥ t♦t tr t♠ ♦♥ t r♦♥♦t
♠t♦♥ sts
❲ r♥ s♠t♦♥s ♦r t s ♦ Fiin ♥ βi s ♥ ♥ s ♥ ♦♠♣t t
r♥ t♥ t♦t tr t♠ ♦t♥ t r♥t ① qi ♥ t ♦♣t♠ qni t s
TTTD =TTTF− TTTO
TTTF
r st♥s ♦r t ♦ ♦rrs♣♦♥♥ t♦ ① qi r♣rs♥ts t♦t trt♠ t ♦♣t♠ qni ♥ ♦r tr r♥ s r♣♦rt t ♥ ♣r♥t ♥t♦t tr t♠s t♦ ♦♠♣r t t♥ss ♦ ♦r ♣♣r♦
βiFi
in
♠♣r♦♠♥t ♥ t♦t tr t♠ s♥ ♥st♥t♥♦s ♦♣t♠ ♣r♠trs ♦♠♣r t♦① ♦♥st♥t ♣r♠tr qi = 0.2, i = 1, . . . , 4.
βiFi
in
Pr♥t ♥ ♥ t♦t tr t♠ s♥ ♥st♥t♥♦s ♦♣t♠ ♣r♠trs ♦♠♣rt♦ ① ♦♥st♥t ♣r♠tr qi = 0.3, i = 1, . . . , 4.
βiFi
in
Pr♥t ♥ ♥ t♦t tr t♠ s♥ ♥st♥t♥♦s ♦♣t♠ ♣r♠trs ♦♠♣rt♦ ① ♦♥st♥t ♣r♠tr qi = 0.4, i = 1, 2, . . . , 4.
βiFi
in
Pr♥t ♥ ♥ t♦t tr t♠ s♥ ♥st♥t♥♦s ♦♣t♠ ♣r♠trs ♦♠♣rt♦ ① ♦♥st♥t ♣r♠tr qi = 0.5, i = 1, 2, . . . , 4.
βiFi
in
Pr♥t ♥ ♥ t♦t tr t♠ s♥ ♥st♥t♥♦s ♦♣t♠ ♣r♠trs ♦♠♣rt♦ ① ♣r♠tr qi = 0.6, i = 1, 2, . . . , 4.
βiFi
in
Pr♥t ♥ ♥ t♦t tr t♠ s♥ ♥st♥t♥♦s ♦♣t♠ ♣r♠trs ♦♠♣rt♦ ① ♦♥st♥t ♣r♠trs qi = 0.7, i = 1, 2, . . . , 4.
s ♥t ♥ s t ♣r♥t ♥ ♥ t♦t tr t♠ s ♥ ♥ t s ♦♠♥♠t ♥ ♦t ♣♣r♦s t s♠ ♦r s t tr ♥♦ ♥rss♦♥ t ♥♦♠♥ s♦♥r② r♦ t t ♥tr♥ ♦ t r♦♥♦t s♥s ♣r♥t ♥s ♦sr ♦r r♥t ① ♦♥st♥t qi ♥ ♦♣t♠ qi s strt ♥ t ♦ tss stt♦♥ ♦rrs♣♦♥s t♦ s♣♣②♠t ss ♦♥ t ♠♥ ♥ ♦ t r♦♥♦t ss♦s tt ♥ r ♣♦♣t♦♥ ♦ s r♠♥s ♦♥ t ♠♥ r♦ ♦ t r♦♥♦t t♥st♥t♥♦s ♦♣t♠ ♦ ♦ ♣r♦rt② ♣r♠tr ♥rss t ♣r♦r♠♥ ♦ t r♦♥♦t♦♠♣r t♦ r♥t ① s ♦ qi
♦r t ① ♣r♦rt② ♣r♠trs rtr t♥ Qi2 t ♥t♦♥ ♦t ♣♣r♦s t t
s♠ s s s t♦ t t strt ② r ♥ t♦♥ t s t ♥t♦♥s♦t♦♥ s ♣♣r♦①♠t ② t ♣♦♥t ♦♥ t s st rtr♠♦r s t s ♦ t ①♣r♠trs qi rss t ♥st♥t♥♦s ♦ ♦ ♦♣t♠ ♣r♠tr s♦s ttr ♣r♦r♠♥♥ ♥rs♥ tr tr♦♣t ♦♠♣r t♦ s♠ ① ♣r♦rt② ♣r♠trs rr ① sr ttr ♥ ♦♣t♠③♥ tr ① ♦♥ t ♥t♦r ♣♦rt♦♥
r ♦♠♣rs♦♥ t♥ t t♦t tr t♠s ♦t♥ t ♦♣t♠ ♦ ♦ qi ♥ ①qi = 0.4 ♦r r♥t s ♦ ♥♦♠♥ ① ♥ s♣tt♥ rt♦
♥ r ♣♦t t s ♦ t♦t tr t♠ ♦t♥ ② ♦t ♣♣r♦s s ♥t♦♥♦ t ♥♦♠♥ ① Fi
in ♦r r♥t s ♦ s♣tt♥ rt♦ βi ♦r t ♦ r♦♥♦t ♥ ♥ts r♥t s♠t♦♥ ss
r ♥st② t T = 30 t r ♥ts ♠ ♥ ♦♣t♠ ♣r♦rt② ♣r♠tr rt♦t♦♥ ♦♥ t t♠ ♥tr [0, 30]
r strts s♠♣ ♥st② r ♥t ♥ ♦♣t♠ ♣r♦rt② ♣r♦s ♦r r♥t♥♦s r♦♠ t s♦♥r② ♥♦♠♥ r♦ ♦ r♦♥♦t t ♥t♦♥s r♥ t s♠t♦♥t♠ ♥tr [0, 30]
♦♥s♦♥
♥ ts ♣♣r ♣rs♥t ♥ ♥st♥t♥♦s tr ♦ ♦♣t♠③t♦♥ ♣♣r♦ ♦♥ r♦♥♦ts♥ sr ♦♥srt♦♥ s ❲ rst srt③ t ②♣r♦ P t ♦♥♦ s♠♥ t s♥ ♥ ①♣t r rst ♦rr ♥trt♦♥ ♠t♦ ❲ ♦♠♣t t r♥t♦ t ♦st ♥t♦♥ tt ♠srs t ♥st♥t♥♦s t♦t tr t♠ t t♠ st♣ tn
♥ ♥ t ♦♣t♠ ♣r♦rt② ♣r♠trs ♠r tsts r ♦♥t ♦r r♦♥♦t
t ♦r ♥♦♠♥ ♥ ♦r ♦t♦♥ r♦s s♠t♦♥ rsts s♦ tt r♥t s♥st♥t♥♦s ♦♣t♠ ♦ ♦ t ♣r♦rt② ♣r♠trs ♣r♦s ♥ rsts ♥ ♠♣r♦♥t ♣r♦r♠♥ ♦ t r♦♥♦t ♦♠♣r t♦ t ① ♦ ♦ ♣r♦rt② ♣r♠trs ♥ ts ♦ ① ♣r♦rt② ♣r♠trs rr ① s r ttr ♥ ♦♣t♠③♥ tr ① ♦♥ t♠♥ ♥ ♦ t r♦♥♦t rt t♦ s♠r s
♥♦♠♥ts
s rsr s ♣rt② s♣♣♦rt ② t r♦♣♥ sr ♦♥ ♥r t r♦♣♥❯♥♦♥s ♥t r♠♦r Pr♦r♠ P r♥t r♠♥t ♥ ♥② ♥tr♥t♦♥ ♥ Pr♦r♠ ♥ P ♥ r♠♥ ♠ ①♥ r rst t♦r t♥s ♥r ♦♣ ♥t♣♦s étrr♥é ♦r ts ♦s♣tt②
r♥s
❬❪ ♥ rt② ♥ r s ♦ ♥ ♣♣♥ ♥t♦rs t tr♦ tr♦♥
❬❪ rss♥ ②♣r♦ s②st♠s ♦ ♦♥srt♦♥ s ♦♥ ♠♥t♦♥ ② Pr♦♠
①♦r tr rs ♥ t♠ts ♥ ts ♣♣t♦♥
❬❪ s♦♥ ♣ P♦ ♥ rtá ♣t♠③t♦♥ ♦ tr ♦♥ r♦ ♥t♦rst♠t ♦s ♥ t♦s ♥ ♣♣ ♥s
❬❪ t♦r ❨♥ ♥ ♥tt♦ P♦ r rs ♥ t♠♥ ♦ tr ts ♦r rs
♦ srt ♥ ♦♥t♥♦s ②♥♠ ②st♠s rs
❬❪ ♦t r♦ ♥ P♦ r ♦ ♦♥ r♦ ♥t♦r t♥
❬❪ ♦♦♠♦ P ♦t♥ ♥ P♦ ♦ ♥t♦r t ♣s tr♥st♦♥ ♦r♥ ♦②♣r♦ r♥t qt♦♥s
❬❪ ♣ ♥③♦ ♥ P♦ Pt ♦ ♦♥ t♦♠♠♥t♦♥ ♥t♦rs t ♥
❬❪ ♦♥ ② ♠r♥② ❲ r♥ P ♦t♥ ♥
②♥ P ♠♦ ♦r ♥t♦♥ t r♠♣ r ♣♣ t t♦ ♣♣r
❬❪ ♥ ❨ ❨ P ♦ ♥ s♥ tr♦♥♦s r ♦ ♦ ♦r ♦ ♥
♦♥♦ts ♥ ♦♥tr♦ ♥trst♦♥ ♥tr♥t♦♥ ♦r♥ ♦ ♦r♥ P②ss
❬❪ r♦ ♥ P♦ r ♦ ♦♥ t♦rs ♦♥srt♦♥ s ♦ ♠r♥♥sttt ♦ t♠t ♥s
❬❪ r♦ r♦ ♥ P♦ ♦t♥ ② ♣r♦♠ t ♥♦ t r srt♦♥t♥ ②♥ ②st
❬❪ ♦♠s ♥ ♦r♦t③ ♣t♠ r② r♠♣ ♠tr♥ s♥ t s②♠♠tr tr♥s
♠ss♦♥ ♠♦ r♥s♣♦rtt♦♥ sr Prt ♠r♥ ♥♦♦s
❬❪ ött rt② ♥ r ♦♥ ♥ ♦♣t♠③t♦♥ ♦ s♣♣② ♥s ♦♥ ♦♠♣①
♥t♦rs ♦♠♠♥ t
❬❪ t rt♥ rt② ① r ♥ ü♥tr r♥ ♣t♠ ♦♥tr♦ ♦r
tr ♦ ♥t♦rs ♦r♥ ♦ ♦♣t♠③t♦♥ t♦r② ♥ ♣♣t♦♥s
❬❪ rt② r♥r ♥ r ♥st♥t♥♦s ♦♥tr♦ ♦r tr ♦ t t ♣♣
❬❪ rt② ♥ r ♦♥ s♠t♦♥ ♥ ♦♣t♠③t♦♥ ♦ tr ♦ ♥t♦rs ♦r♥ ♦♥ ♥t ♦♠♣t♥
❬❪ r♦ rst ♦rr qs♥r qt♦♥s t sr ♥♣♥♥t rs t
❬❪ q ♠r ♠t♦s ♦r ♦♥srt♦♥ s trs ♥ t♠ts ❩ür
räsr ❱r♥
❬❪ t ♥ ❲t♠ ♥ ♥♠t ❲s ♦r② ♦ r ♦ ♦♥
♦♥ r♦ ♦s Pr♦♥s ♦ t ♦② ♦t② ♦ ♦♥♦♥ rs t♠t ♥P②s ♥s
❬❪ ② ❲ r♥ ♦♥ ♠r♥② P ♦t♥ ♥
②♥ ♦♥ts ♦♣t♠③t♦♥ ♦♥ ♥t♦r ♦ srt③ sr ♦♥srt♦♥ Ps t
♣♣t♦♥ t♦ ♦♦r♥t r♠♣ ♠tr♥ Pr♣r♥t t♦r
❬❪ rs P ♦ s ♦♥ t ② ♣rt♦♥s rsr