Georg_Brantegger/Python-DT_Slot_3
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working steady state, but still numerical instability at turbine, that leads to runaway after approx 2.5 minutes for 1000 m pipeline
This commit is contained in:
Brantegger Georg
2022-08-01 08:58:11 +02:00
parent 0969c29b7d
commit ed710a7371
2 changed files with 16 additions and 37 deletions
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2
Ausgleichsbecken/Ausgleichsbecken_class_file.py
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@@ -77,7 +77,7 @@ class Ausgleichsbecken_class:
raise Exception('Initial level was already set once. Use the .update_level(self,timestep) method to update level based on net flux.') raise Exception('Initial level was already set once. Use the .update_level(self,timestep) method to update level based on net flux.')
def set_level(self,level): def set_level(self,level):
self.level = level self.level = level
def set_influx(self,influx): def set_influx(self,influx):
# sets influx to the reservoir in m³/s # sets influx to the reservoir in m³/s

51
Untertweng_mit_Pegelregler.ipynb
View File

@@ -2,7 +2,7 @@
"cells": [ "cells": [
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 9, "execution_count": 1,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@@ -18,7 +18,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 10, "execution_count": 2,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@@ -27,7 +27,7 @@
"#Turbine\n", "#Turbine\n",
"Q_nenn = 0.85 # m³/s\n", "Q_nenn = 0.85 # m³/s\n",
"p_nenn = pressure_conversion(10.6,'bar','Pa')\n", "p_nenn = pressure_conversion(10.6,'bar','Pa')\n",
"closing_time = 30 #s\n", "closing_time = 30. #s\n",
"\n", "\n",
"# physics\n", "# physics\n",
"g = 9.81 # gravitational acceleration [m/s²]\n", "g = 9.81 # gravitational acceleration [m/s²]\n",
@@ -37,7 +37,7 @@
"# define controller constants\n", "# define controller constants\n",
"target_level = 8. # m\n", "target_level = 8. # m\n",
"Kp = 0.1\n", "Kp = 0.1\n",
"Ti = 10.\n", "Ti = 7.\n",
"deadband_range = 0.05 # m\n", "deadband_range = 0.05 # m\n",
"\n", "\n",
"\n", "\n",
@@ -83,7 +83,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 11, "execution_count": 3,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@@ -112,30 +112,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 12, "execution_count": 4,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The current attributes are: \n",
"----------------------------- \n",
"Current flux = -1.0 m³/s \n",
"Current pipe pressure = -1.0 mWS \n",
"Current LA = 90.90909090909089 % \n",
"----------------------------- \n",
"\n"
]
}
],
"source": [
"T_in.get_info()"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@@ -167,13 +144,15 @@
"LA_ist_vec = np.full_like(t_vec,T1.get_current_LA())\n", "LA_ist_vec = np.full_like(t_vec,T1.get_current_LA())\n",
"\n", "\n",
"LA_soll_vec2 = np.full_like(t_vec,T_in.get_current_LA())\n", "LA_soll_vec2 = np.full_like(t_vec,T_in.get_current_LA())\n",
"LA_soll_vec2[200:1500] = 0.\n", "LA_soll_vec2[500:1000] = 0.\n",
"LA_soll_vec2[1500:2500] = 1. \n" "LA_soll_vec2[1000:1500] = 1. \n",
"LA_soll_vec2[1500:2000] = 0.\n",
"LA_soll_vec2[2000:2500] = 0.5 \n"
] ]
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 14, "execution_count": 5,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@@ -201,7 +180,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 15, "execution_count": 6,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@@ -268,7 +247,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 16, "execution_count": 7,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@@ -313,7 +292,7 @@
], ],
"metadata": { "metadata": {
"kernelspec": { "kernelspec": {
"display_name": "Python 3.8.13 ('DT_Slot_3')", "display_name": "Python 3.8.13 ('Georg_DT_Slot3')",
"language": "python", "language": "python",
"name": "python3" "name": "python3"
}, },
@@ -332,7 +311,7 @@
"orig_nbformat": 4, "orig_nbformat": 4,
"vscode": { "vscode": {
"interpreter": { "interpreter": {
"hash": "4a28055eb8a3160fa4c7e4fca69770c4e0a1add985300856aa3fcf4ce32a2c48" "hash": "84fb123bdc47ab647d3782661abcbe80fbb79236dd2f8adf4cef30e8755eb2cd"
} }
} }
}, },