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Code Issues 139 Wiki Activity

AI braking: predict the ESt3 brake force from the distributor characteristic

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This commit is contained in:
pwarszawski
2026-11-02 17:01:32 +01:00
parent bb43f559e8
commit 6374e2d32e
4 changed files with 17 additions and 0 deletions
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1
McZapkie/Mover.cpp
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@@ -5091,6 +5091,7 @@ void TMoverParameters::ComputeTotalForce(double dt)
double TMoverParameters::BrakeForceR(double ratio, double velocity) double TMoverParameters::BrakeForceR(double ratio, double velocity)
{ {
double press = 0; double press = 0;
ratio = Hamulec->GetBrakeRatio(ratio);
if (MBPM > 2) if (MBPM > 2)
{ {
press = MaxBrakePress[1] + (MaxBrakePress[3] - MaxBrakePress[1]) * std::min(1.0, (TotalMass - Mass) / (MBPM - Mass)); press = MaxBrakePress[1] + (MaxBrakePress[3] - MaxBrakePress[1]) * std::min(1.0, (TotalMass - Mass) / (MBPM - Mass));

11
McZapkie/Oerlikon_ESt.cpp
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@@ -351,6 +351,17 @@ double TNESt3::GetCRP()
// return Miedzypoj.P; // return Miedzypoj.P;
} }
double TNESt3::GetBrakeRatio( double const Ratio ) const // udzial cisnienia w cylindrze dla udzialu spadku w PG
{
if( MaxBP <= 0.0 || BVM <= 0.0 ) {
return Ratio;
}
// pelny spadek sluzbowy w PG (HPP - LPP), odtworzony z przelozenia
double const spadek{ MaxBP / BVM + dPSprezyny };
double const cel{ ( Ratio * spadek - dPSprezyny ) * BVM };
return ( cel > 0.0 ? std::max( cel, pStopnia ) / MaxBP : 0.0 );
}
double TNESt3::CelBCP( double const CVP, double const VVP ) const // docelowe cisnienie w cylindrze double TNESt3::CelBCP( double const CVP, double const VVP ) const // docelowe cisnienie w cylindrze
{ {
double const cel{ ( CVP - dPSprezyny - VVP ) * BVM }; double const cel{ ( CVP - dPSprezyny - VVP ) * BVM };

1
McZapkie/Oerlikon_ESt.h
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@@ -197,6 +197,7 @@ class TNESt3 : public TBrake {
double GetCRP() override; double GetCRP() override;
double GetRapidRatio(double const Vel) const override; double GetRapidRatio(double const Vel) const override;
double CelBCP(double const CVP, double const VVP) const; // docelowe cisnienie w cylindrze double CelBCP(double const CVP, double const VVP) const; // docelowe cisnienie w cylindrze
double GetBrakeRatio(double const Ratio) const override; // udzial cisnienia w cylindrze dla udzialu spadku w PG
void CheckState(double const BCP, double &dV1); // glowny przyrzad rozrzadczy void CheckState(double const BCP, double &dV1); // glowny przyrzad rozrzadczy
void CheckReleaser(double const dt); // odluzniacz void CheckReleaser(double const dt); // odluzniacz
double CVs(double const BP) const; // napelniacz sterujacego double CVs(double const BP) const; // napelniacz sterujacego

4
McZapkie/hamulce.h
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@@ -421,6 +421,10 @@ class TBrake
double GetVRP() const; // cisnienie komory wstepnej rozdzielacza double GetVRP() const; // cisnienie komory wstepnej rozdzielacza
/// <summary>Returns control reservoir (ZS) pressure [bar]; defaults to the auxiliary reservoir for valves without a dedicated ZS.</summary> /// <summary>Returns control reservoir (ZS) pressure [bar]; defaults to the auxiliary reservoir for valves without a dedicated ZS.</summary>
virtual double GetCRP(); // cisnienie zbiornika sterujacego virtual double GetCRP(); // cisnienie zbiornika sterujacego
/// <summary>Share of the full cylinder pressure the distributor settles at for the given share
/// of the full service pipe drop. Used only to predict the brake force; the default is proportional.</summary>
/// <param name="Ratio">Share of the full service brake pipe drop.</param>
virtual double GetBrakeRatio(double const Ratio) const { return Ratio; }
/// <summary> /// <summary>
/// Sets the brake delay (G/P/R/M) selector if requested mode is supported. /// Sets the brake delay (G/P/R/M) selector if requested mode is supported.
/// </summary> /// </summary>