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almost done except for smooth voltage change

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Moon Horse
2024-07-01 03:11:00 +03:00
parent b74d4873af
commit ef4a9ff3f2
2 changed files with 119 additions and 72 deletions
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189
lua/metrostroi/systems/sys_battery.lua
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@@ -9,41 +9,51 @@ TRAIN_SYSTEM.DontAccelerateSimulation = true
function TRAIN_SYSTEM:Initialize()
-- Предохранители цепей (ПА1, ПА2)
self.Train:LoadSystem("PA1","Relay","PP-28", { trigger_level = 31.5 }) -- A
self.Train:LoadSystem("PA2","Relay","PP-28", { trigger_level = 31.5 }) -- A
self.Train:LoadSystem("PA1","Relay","PP-28", { trigger_level = 31.5 }) -- A
self.Train:LoadSystem("PA2","Relay","PP-28", { trigger_level = 31.5 }) -- A
-- Battery parameters
self.ElementCapacity = 80 -- A*hour
self.Capacity = self.ElementCapacity * 3600
self.Charge = self.Capacity
self.ElementCapacity = 80 -- A*hour
self.Capacity = self.ElementCapacity * 3600
self.Charge = self.Capacity
self.FullCapacity = self.Capacity
-- Current through battery in amperes
self.Current = 0
self.Charging = 0
self.ElementCount = 52
self.StartVoltage = 75 -- 1.44 volt per fully charged new NiCd-cell
self.StartVoltage = 75 -- 1.44 volt per fully charged new NiCd-cell
self.Voltage = self.StartVoltage
self.IResistance = 0.018*52 -- 0.018 Ohm is a standard internal resistance of a fully-charged and rested new 80 Ah NiCd-cell
self.SoC0v = 52 -- 52 volts at 0% state of charge assuming 1.0 volt per fully discharged cell
self.SoC = 1.00 -- fully charged
self.CutoffVoltage = 40 -- we want deep discharge <_<
self.EthaCE0 = 0.94 -- Coulomb efficiency coeff
self.TargetVoltage = self.Voltage
self.Vpart = 0
self.CellIRes = 0.009 -- 9 mOhm is a standard^w fake internal resistance of a fully-charged and rested new HKH-80 Ah NiCd-cell
self.IResistance = self.CellIRes*self.ElementCount
self.SoC0v = 52 -- 52 volts at 0% state of charge assuming 1.0 volt per fully discharged cell
self.SoC = 1.00 -- fully charged
self.CutoffVoltage = 45 -- we want deep discharge <_<
self.EthaCE0 = 0.94 -- Coulomb efficiency coeff
self.EthaCE = self.EthaCE0
self.Ibatt = 0
self.eds_eq = 0
self.hvcounter = 0
self.Consumers = {}
self.Ibatt_sigma = 0
self.CCcurrent_sigma = 0
self.Dischar = false
self.ComputerCar = false
--self.Ibatt_sigma = 0
--self.CCcurrent_sigma = 0
self.Dischar = false
self.ComputerCar = false
---------------------------------------------
-- 10 mV/min — voltage covery/recovery speed during first 30 minutes after charging/discharging stopped
-- 1.0 (1.2) Volt/cell - fully discharged under load (OCV)
-- 1.7 (1.44) Volt/cell - fully charged under load (OCV)
---------------------------------------------
for k,v in pairs(self.Train.Systems) do
if v.hasCoil and not self.Consumers[v] then
print("Registering relay",v.Name, "Train: ", self.Train)
--print("Registering relay",v.Name, "Train: ", self.Train)
self.Consumers[v] = {0,v.coil_res,0}
end
end
print "------------------\n"
--print "------------------\n"
end
-- TODO: - расставить параметры для всех оставшихся реле (убедиться, что подъемный ток ниже номинального)
@@ -81,12 +91,12 @@ function TRAIN_SYSTEM:Think(dT)
end
if self.Train.ComputerCar then
local nodecurr_sum, branchcond_sum = 0, 0
local eds_eq = 0
local nodecurr_sum, branchcond_sum = 0.0, 0.0
local eds_eq = 0.0
local hvcounter = 0
self.Ibatt_sigma = 0
self.CCcurrent_sigma = 0
--self.Ibatt_sigma = 0
--self.CCcurrent_sigma = 0
for k,v in ipairs(self.Train.WagonList) do
if v.PowerSupply.X2_2 > 0 and v.A24.Value > 0 then
hvcounter = hvcounter + 1
@@ -117,50 +127,63 @@ function TRAIN_SYSTEM:Think(dT)
v.Battery.Ibatt = math.min(1,(2-self.Train.PA1.Value-self.Train.PA2.Value))
*(math.min(1,(v.VB.Value*v.A56.Value+v.A24.Value))*v.VB.Value*((v.A56.Value*(eds_eq - v.Battery.Voltage)
+ v.PowerSupply.X2_1*(1-v.A56.Value)*(v.PowerSupply.VoltageOut*v.A24.Value - v.Battery.Voltage))))/v.Battery.IResistance -- math.max(0,(2.4*(v.Battery.Voltage/v.Battery.StartVoltage)-2.39))
self.Ibatt_sigma = self.Ibatt_sigma + v.Battery.Ibatt
self.CCcurrent_sigma = self.CCcurrent_sigma + v.PowerSupply.car_control_load
--self.Ibatt_sigma = self.Ibatt_sigma + v.Battery.Ibatt
--self.CCcurrent_sigma = self.CCcurrent_sigma + v.PowerSupply.car_control_load
v.Battery.eds_eq = eds_eq
v.Battery.hvcounter = hvcounter
v.eds_eq = v.Battery.eds_eq
--print(v.eds_eq, branchcond_sum)
--print(v.PowerSupply.car_control_load,v.Battery.Ibatt,v.Battery.IResistance)
end
for k,v in ipairs(self.Train.WagonList) do
v.Battery.Ibatt_sigma = self.Ibatt_sigma
v.Battery.CCcurrent_sigma = self.CCcurrent_sigma
if self.Train.R_VPR and self.Train.R_VPR.Value < 0.5 then
print(v.eds_eq, nodecurr_sum, branchcond_sum)
--print(v.PowerSupply.car_control_load,v.Battery.Ibatt,v.Battery.IResistance)
end
end
--for k,v in ipairs(self.Train.WagonList) do
--v.Battery.Ibatt_sigma = self.Ibatt_sigma
--v.Battery.CCcurrent_sigma = self.CCcurrent_sigma
--end
end
-- Calculate state of charge and internal resistance
-- Calculate state of charge, internal resistance and battery voltage
if self.Dischar then
--self.EthaCE0 = self.EthaCE0 - dT * 1.16e-7 -- ~ 1% per day
self.Capacity = self.Capacity - dT * 0.033 -- ~ 1% per day
self.Capacity = self.Capacity - dT * (self.FullCapacity*0.1/86400) -- make capacity loss ~ 10% per day (just a game abstraction)
if self.Ibatt > 0 then
if self.Ibatt >= 8 then
local kCE = (self.EthaCE0 - 0.5)/72
local aCE = kCE*80 + 0.5
self.EthaCE = aCE - kCE * math.abs(self.Ibatt)
else
-- низковат коэффициент; уже при 5 А всего 0.5, надо менять функцию, иначе выше 75 вольт батарею и за год не зарядишь
self.EthaCE = 0.1*math.exp(0.28*self.Ibatt)
self.EthaCE = 0.94-5*math.exp(-self.Ibatt)
end
else
if self.SoC <= 1.0 then
self.EthaCE = 1
else
self.EthaCE = 0.5*math.exp(2.6*self.SoC) - 5.73
self.EthaCE = 0.5*math.exp(2.6*self.SoC) - 5.73 -- не бывает!
end
end
-- Возможно, надо ввести ток саморазряда, а не ебаться с выдуманной зависимостью EthaCE от SoC выше 100%
if self.SoC <= 0 or self.SoC >= 1.0 then self.EthaCE = 0 end
-- Возможно, надо ввести ток саморазряда, а не ебаться с выдуманной зависимостью EthaCE от SoC выше 100% (которого не бывает >_>)
--local CellIResTarget, irt_sign = self.CellIRes, 0
self.SoC = self.SoC + self.EthaCE*self.Ibatt*dT/self.Capacity
local SoC = math.max(0,math.min(132,self.SoC*100))
if SoC > 100 then
self.IResistance = 3e-4 * (SoC-100) + 0.018 -- 132 % = 0.028 Ohm
elseif 10 <= SoC and SoC <= 100 then
self.IResistance = 0.018
elseif SoC < 10 then
self.IResistance = math.min(0.32, 0.018 + 1.28^-(6+1.48*SoC)) -- just made it up by myself >_>
local SoC = math.max(0,math.min(100,self.SoC*100))
if 50 <= SoC and SoC <= 100 then
self.CellIRes = 0.009
elseif SoC >= 0.5 then
self.CellIRes = (9+0.1*(50-SoC))*10^(-3)
-- 0.035C and 0.08C (idk why...)
elseif self.Ibatt < -0.035*self.ElementCapacity or (0.014 < self.CellIRes and self.CellIRes < 0.8296 and self.Ibatt > 0.08*self.ElementCapacity) then
-- SoC less than 0.5% and discharging or Vbatt approx. 62 - 52 V and charging
if 55 <= self.Voltage and self.Voltage < 62 then
self.CellIRes = 112 - 14*(self.Voltage - 55)
elseif 50 <= self.Voltage and self.Voltage < 55 then
self.CellIRes = 1308 - 239.2*(self.Voltage - 50)
end
--irt_sign = self.CellIRes > CellIResTarget and -1 or 1
--self.CellIRes = self.CellIRes + irt_sign*0.001
end
self.IResistance = self.IResistance * self.ElementCount
self.IResistance = self.CellIRes * self.ElementCount
--self.Train.BattCurrent = self.Ibatt*self.Train.A24.Value
self.Train.PA1:TriggerInput("Close",math.abs(self.Ibatt)/2) -- Это неправильно, но я уже заебалась
self.Train.PA2:TriggerInput("Close",math.abs(self.Ibatt)/2)
@@ -170,51 +193,75 @@ function TRAIN_SYSTEM:Think(dT)
-- Calculate battery voltage -- |
--self.Voltage = self.StartVoltage*(self.Charge/self.Capacity) -- симуляция потери емкости батареи (future feature) — хуюче
-- Polynomials for battery voltage calculation during charge and discharge (source: https://www.mdpi.com/1996-1073/16/21/7291)
-- Polynomials for battery OCV calculation during charge and discharge (source: https://www.mdpi.com/1996-1073/16/21/7291)
-- Roughly, Vbatt_charge = EMF(SOC) + 𝑈ℎ(SOC), Vbatt_discharge = EMF(SOC) - 𝑈ℎ(SOC)
--EMF(SOC)=−0.68175SOC^8+8.82823SOC^7−24.43179SOC^6+31.87221SOC^5−23.97881SOC^4+11.24774SOC^3−3.40685SOC^2+0.74692SOC+1.22076
--𝑈ℎ(SOC)=2.62496SOC^8−12.77132SOC^7+22.37586SOC^6−18.04921SOC^5+6.14667SOC^4+0.26467SOC^3−0.82125SOC^2+0.21246SOC+0.02641
local TargVbatt, EMF_soc, Uh_soc
-- open circuit voltage calculation
local EMF_soc, Uh_soc, tvb_sign
EMF_soc=-0.68175*self.SoC^8+8.82823*self.SoC^7-24.43179*self.SoC^6+31.87221*self.SoC^5-23.97881*self.SoC^4+11.24774*self.SoC^3-3.40685*self.SoC^2+0.74692*self.SoC+1.22076
Uh_soc=2.62496*self.SoC^8-12.77132*self.SoC^7+22.37586*self.SoC^6-18.04921*self.SoC^5+6.14667*self.SoC^4+0.26467*self.SoC^3-0.82125*self.SoC^2+0.21246*self.SoC+0.02641
if self.Ibatt < 0 then --Discharge
TargVbatt = EMF_soc - Uh_soc
--[[local i_bat = math.abs(self.Ibatt)
if self.SoC > 1.0 then
self.Voltage = 75 + math.exp(2-9*self.SoC)
elseif self.SoC > 0.2 then
local Kmin, Kmax = 3/0.8, 13/0.8
local KaCe = (Kmax - Kmin)/(63-8)
local Akc = Kmax-63*KaCe
local Kdis = Akc+KaCe*i_bat
local Avb = 75
TargVbatt = Avb - Kdis*self.SoC
else
local Ka = (75-68)/(64-8)
local Ai = (64-i_bat)*Ka+68
local Kb = (24-13)/(64-8)
local Bi = (i_bat-8)*Kb+13
TargVbatt = Ai - Bi*math.exp(-7*self.SoC)
end]]
else --Charge
TargVbatt = EMF_soc + Uh_soc
-- Need to implement:
-- Battery voltage (EMF in our case) growth rate at SoC > 90%: 0.25 volt per 10%
-- Battery voltage (EMF in our case) decrease rate at SoC < 10%: 0.20 volt per 10%
--[[local i_bat = math.abs(self.Ibatt)
if self.SoC > 1.0 then
self.Voltage = 75 + math.exp(2-9*self.SoC)
elseif self.SoC > 0.2 then
local Kmin, Kmax = 3/0.8, 13/0.8
local KaCe = (Kmax - Kmin)/(63-8)
local Akc = Kmax-63*KaCe
local Kdis = Akc+KaCe*i_bat
local Avb = 75
TargVbatt = Avb - Kdis*self.SoC
else
local Ka = (75-68)/(64-8)
local Ai = (64-i_bat)*Ka+68
local Kb = (24-13)/(64-8)
local Bi = (i_bat-8)*Kb+13
TargVbatt = Ai - Bi*math.exp(-7*self.SoC)
end]]
if self.Ibatt > 0.005*self.ElementCapacity then
self.TargetVoltage = EMF_soc + Uh_soc
if self.SoC > 0.9 and self.Ibatt > 0.005*self.ElementCapacity then
if self.Vpart < 0 then self.Vpart = 0 end
self.Vpart = math.min(0.3,self.Vpart + 0.05)
self.TargetVoltage = math.min(self.eds_eq/self.ElementCount, self.TargetVoltage + self.Vpart)
end
else
self.TargetVoltage = EMF_soc - Uh_soc
if self.SoC < 0.1 and self.Ibatt < -0.005*self.ElementCapacity then
if self.Vpart > 0 then self.Vpart = 0 end
self.Vpart = math.max(-0.2, self.Vpart - 0.05)
self.TargetVoltage = math.max(0.8, self.TargetVoltage + self.Vpart)
end
end
TargVbatt = TargVbatt*self.ElementCount
self.TargetVoltage = self.TargetVoltage*self.ElementCount
--print("Target Voltage = "..TargVbatt, self.Train)
self.Voltage = self.Voltage + (TargVbatt - self.Voltage)*dT*0.05
tvb_sign = self.Voltage > self.TargetVoltage and -1 or 1
self.Voltage = self.Voltage + tvb_sign*0.05
--self.Voltage = self.Voltage + (TargVbatt - self.Voltage)*dT*0.05
--self.Voltage = (75-self.SoC0v)*(self.Charge/self.Capacity)+self.SoC0v
-- DEBUG
-- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
if self.Train.R_VPR and self.Train.R_VPR.Value < 0.5 then
print("Target Voltage = "..TargVbatt, "self.Voltage = "..self.Voltage)
--local tval = 1
--print("Target Voltage = "..self.TargetVoltage, "self.Voltage = "..self.Voltage, "train:",self)
--print("self.SoC = "..self.SoC, "self.Ibatt = "..self.Ibatt)
--print("self.eds_eq = "..self.eds_eq)
--print("self.EthaCE = "..self.EthaCE, "self.IResistance = "..self.IResistance)
--print("self.Capacity = "..self.Capacity)
--[[
EMF_soc=-0.68175*tval^8+8.82823*tval^7-24.43179*tval^6+31.87221*tval^5-23.97881*tval^4+11.24774*tval^3-3.40685*tval^2+0.74692*tval+1.22076
Uh_soc=2.62496*tval^8-12.77132*tval^7+22.37586*tval^6-18.04921*tval^5+6.14667*tval^4+0.26467*tval^3-0.82125*tval^2+0.21246*tval+0.02641
print("EMF_soc = "..EMF_soc, "Uh_soc = "..Uh_soc)--]]
end
-- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
else
-- Calculate discharge
self.Current = 0--self.Train.KVC.Value*90*(self.Train.PowerSupply.XT3_1 > 0 and 3 or -1 + 4*self.Train:ReadTrainWire(27))*50*self.Train.Panel["V1"]

2
lua/metrostroi/systems/sys_bpsn.lua
View File

@@ -21,7 +21,7 @@ function TRAIN_SYSTEM:Initialize()
self.X2_1 = 0
self.OutputVoltage = math.random(78,82) -- volts
self.IResistance = 0.05--1.33 --Ohm
self.IResistance = 0.01 --Ohm (сам выдумал, примерно на порядок ниже, чем у АКБ)
self.car_control_load= 0 --Amp
self.VoltageOut = 0