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Page 7 of 14Majalah Ilmiah UNIKOM
Vol.8, No. 2
209
H a l a m a n
Muhammad Aria
traffic of the selected phase is rather bad,
Urgency
Urgency
have 5 membership functions. Figure 9.
shows the membership functions of Ur-
gency.
For the Select Max Urgency, 2 outputs are
Urgency) Phase
Urgency
Urgency
Urgency
these lanes are combined as the value of
that phase. The phase, which has the high-
Urgency
Phase
phase selected for the next phase after the
green phase.
In this Module, 65 rules have been devel-
oped to relate the 3 inputs to the output,
Urgency
the labels Z means Zero, S for Short, M for
Medium, L for Long and VL for Very Long
Fuzzy Logic Green Phase Module
GreenPhase Module
traffic conditions of the green phase and it
consists of 2 inputs which are (1)
QueueNumFrontNum
ExtendQueueNum
ing vehicles in a lane during the green sig-
FrontNum
of the vehicles in the link where vehicles will
go to this link during the green phase. The
GreenPhase ModuleExtend
which translates into the possibility of ex-
tending the green phase. The membership
function of these inputs are the same as
NextPhase Module
Figure 6 and Figure 7.
Extend
of 5 membership functions. This member-
Urgency
membership function as shown in Figure 9.
In this module, 17 rules have been devel-
oped as given in Table 2
Figure 7. Membership functions
for FrontNum
Figure 8. Membership functions
for RedTime
Figure 9. Membership functions for Urgency