706 / 1840
Forward Planning / Optimization
Dose Points-based Adjustment of Dwell Times T
i
(DPO)
How can we avoid “Black Holes”- Negative Dwell Times?
0
1
–0.5
1.95
0.5
Relative Dwell Time
Can we limit
this Variation ?
–1
0
5
10
15
20
25
Dwell Position
Define Dwell Time Gradient as:
and try to restrict it (DTGR)
[
]
∑
−
=
+
−
≈
1 N
1i
2
i
1i
SDP
T T
DTGR