Main

## Main.OptionTrOpen History

June 08, 2017, at 10:46 PM by 10.5.113.159 -
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June 06, 2017, at 10:41 PM by 10.5.113.159 -
June 06, 2017, at 10:20 PM by 10.5.113.159 -
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TR_OPEN specifies how the initial conditions of the reference trajectory are relative to the final set point targets. An option of 0.0 specifies that the initial conditions for the trajectories should collapse to a single starting value. The near-term trajectory is therefore very prescriptive but then opens up as the trajectory progresses towards steady state targets. An option of 2.0 specifies that the initial opening is twice the separation of SPHI and SPLO?. By default, the option of 1.0 is the shape of a tunnel that is of equal width as it progresses towards SPHI and SPLO? targets.

to:

TR_OPEN specifies how the initial conditions of the reference trajectory are relative to the final set point targets. An option of 0.0 specifies that the initial conditions for the trajectories should collapse to a single starting value. The near-term trajectory is therefore very prescriptive but then opens up as the trajectory progresses towards steady state targets. An option of 2.0 specifies that the initial opening is twice the separation of SPHI and SPLO. By default, the option of 1.0 is the shape of a tunnel that is of equal width as it progresses towards SPHI and SPLO targets.

June 06, 2017, at 10:19 PM by 10.5.113.159 -
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              1=trajectory gap equally spaced throughout
>1=funnel shape, de-emphasizing near term trajectory

to:
              1=tunnel gap equally spaced throughout
>1=funnel shape gap with larger initial opening,
de-emphasizing near term trajectory

June 06, 2017, at 10:19 PM by 10.5.113.159 -

(:title TR_OPEN - APMonitor Option:) (:keywords TR_OPEN, Optimization, Nonlinear control, MPC, Option, Configure, Default, Description:) (:description Trajectory opening option (0=closed, 1=tunnel, 2+=funnel):)

 Type: Floating point, Input
Default Value: 1.0
Description: Trajectory initial condition spread relative to
the set point final targets
0=trajectories initially with zero separation
1=trajectory gap equally spaced throughout
>1=funnel shape, de-emphasizing near term trajectory


TR_OPEN specifies how the initial conditions of the reference trajectory are relative to the final set point targets. An option of 0.0 specifies that the initial conditions for the trajectories should collapse to a single starting value. The near-term trajectory is therefore very prescriptive but then opens up as the trajectory progresses towards steady state targets. An option of 2.0 specifies that the initial opening is twice the separation of SPHI and SPLO?. By default, the option of 1.0 is the shape of a tunnel that is of equal width as it progresses towards SPHI and SPLO? targets.