grillkol/FluidSimCpp
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grillkol
2026-10-23 18:29:51 +02:00
parent 4c435fdd76
commit 5607dcf2b5
73 changed files with 4365 additions and 2059 deletions
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14
include/FluidSim/Ecu.hpp
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@@ -6,12 +6,14 @@ namespace fluidsim::port {
// Ideal sensors and injectors; calibration parameters are not engine measurements.
class Ecu {
public:
enum class IdleControl { Feedback, FixedOpening };
IdleControl idle_control{IdleControl::Feedback};
struct IgnitionPoint { float rpm, degrees_btdc; };
std::vector<IgnitionPoint> ignition_map{{0, 10}, {15000, 40}};
float idle_rpm{1800.0f};
float idle_base_opening{0.08f}, idle_max_opening{0.25f};
float idle_kp{0.0001f}, idle_ki{0.00004f};
float throttle_time_constant{0.08f}, throttle_rate{2.0f}; // seconds, full travel/second
float throttle_time_constant{0.001f}, throttle_rate{1000.0f}; // seconds, full travel/second
// Zero uses the opening calibration, preserving symmetric response.
float throttle_closing_time_constant{}, throttle_closing_rate{};
float rev_limit_rpm{10000.0f}, rev_resume_rpm{9750.0f};
@@ -20,12 +22,6 @@ public:
bool overrun_fuel_cut_enabled{true};
float idle_spark_gain{0.0f}, idle_minimum_advance{-5.0f}; // degrees/RPM, degrees BTDC
float stoichiometric_afr{14.7f}, power_afr{12.8f};
bool boost_control_enabled{false};
float maximum_boost{45000}; // Pa gauge, estimated low-pressure B205 calibration
float boost_kp{1e-5f}, boost_ki{4e-6f};
void control_boost(float dt, float pedal, float rpm, float manifold, float charge, float ambient = 101325);
float boost_target() const { return boost_target_; }
float wastegate_duty() const { return boost_duty_; }
void step(float dt, float pedal, float rpm);
float fuel_for_air(float trapped_air_mass) const;
@@ -33,14 +29,12 @@ public:
float throttle_target() const { return target_; }
float target_afr() const { return afr_; }
float spark_advance() const { return spark_; }
bool fuel_cut() const { return limiter_ || (overrun_ && overrun_fuel_cut_enabled) || fault_ || boost_cut_; }
bool fuel_cut() const { return limiter_ || (overrun_ && overrun_fuel_cut_enabled) || fault_; }
bool rev_limited() const { return limiter_; }
bool idle_active() const { return idle_; }
bool sensor_fault() const { return fault_; }
private:
float boost_target_{}, boost_duty_{}, boost_integral_{}, filtered_boost_{};
bool boost_cut_{};
float filtered_rpm_{};
bool initialized_{};
float opening_{}, target_{}, integral_{}, afr_{14.7f}, spark_{10.0f};