Table 3 compares the above-mentioned control strategies in terms of average absolute deviation from the target pressure at all control nodes. Time steps from 3.00 to 23.55 are considered only in order to neglect the effect of initially open valves.

Table 3

Absolute average deviation [m] from the target pressure set at control nodes in the Oppegård case study

  RESHLSD (kc = 0.001)SD (kc = 0.0028)SD (kc = 0.0036)
N2186 Maximum displacement Δα(Tc) = 0.03 0.59 0.05 0.58 2.97 7.93 
Unconstrained maximum displacement Δα 0.58 0.05 0.58 4.17 10.48 
N1849 Maximum displacement Δα(Tc) = 0.03 0.98 0.07 1.52 2.61 2.62 
Unconstrained maximum displacement Δα 0.98 0.07 1.52 5.20 7.07 
N2028 Maximum displacement Δα(Tc) = 0.03 1.36 0.06 0.77 3.88 10.64 
Unconstrained maximum displacement Δα 1.31 0.06 0.77 11.05 30.26 
  RESHLSD (kc = 0.001)SD (kc = 0.0028)SD (kc = 0.0036)
N2186 Maximum displacement Δα(Tc) = 0.03 0.59 0.05 0.58 2.97 7.93 
Unconstrained maximum displacement Δα 0.58 0.05 0.58 4.17 10.48 
N1849 Maximum displacement Δα(Tc) = 0.03 0.98 0.07 1.52 2.61 2.62 
Unconstrained maximum displacement Δα 0.98 0.07 1.52 5.20 7.07 
N2028 Maximum displacement Δα(Tc) = 0.03 1.36 0.06 0.77 3.88 10.64 
Unconstrained maximum displacement Δα 1.31 0.06 0.77 11.05 30.26 

Close Modal

or Create an Account

Close Modal
Close Modal