Fig. 2.
The viable stationary points (segment EQ) and, in gray, the viability niche
N
(0) of the control
u
0
= 0. The set of state constraints,
K
= [
L
min
;
L
max
] × [0;
P
max
], is bordered by a black rectangle.
L
min
= 0.1,
L
max
= 1,
P
max
= 1.2.
