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6 Commits
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@ -1,2 +0,0 @@
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include regina/package-data/*
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include regina/sql/*.sql
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@ -66,7 +66,7 @@ from m_teng.utility.data import load_dataframe
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from m_teng.utility import file_io
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from m_teng.update_funcs import _Monitor, _ModelPredict, _update_print
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config_path = path.expanduser("~/.config/k-teng.json")
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config_path = path.expanduser("~/.config/m-teng.json")
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_runtime_vars = {
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"last-measurement": ""
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@ -75,7 +75,7 @@ _runtime_vars = {
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settings = {
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"datadir": path.expanduser("~/data"),
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"name": "measurement",
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"interval": 0.05,
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"interval": 0.02,
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"beep": True,
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}
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@ -1,12 +1,13 @@
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import pandas as pd
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import numpy as np
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from os import path
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import matplotlib.pyplot
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import matplotlib.pyplot as plt
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def buffer2dataframe(buffer):
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df = pd.DataFrame(buffer)
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df.colums = ["Time [s]", "Voltage [V]"]
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return df
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# deprecated
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# def buffer2dataframe(buffer):
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# df = pd.DataFrame(buffer)
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# df.colums = ["Time [s]", "Voltage [V]"]
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# return df
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def buffers2dataframe(ibuffer, vbuffer):
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"""
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@ -32,22 +33,37 @@ def load_dataframe(p:str):
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df = pd.read_pickle(p)
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return df
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def plot(data):
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def plot(data: str or pd.DataFrame or np.ndarray, title="", U=True, I=False):
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"""
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Plot recorded data
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@param data: filepath, dataframe or numpy array
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"""
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if type(data) == str:
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data = load_dataframe(data)
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if type(data) == pd.Dataframe:
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data = data.to_numpy()
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fig1, (vax, iax) = plt.subplots(2, 1, figsize=(8, 5))
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# todo
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_data = load_dataframe(data).to_numpy()
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elif type(data) == pd.DataFrame:
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_data = data.to_numpy()
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else:
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_data = data
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print(_data[0])
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plt.ion()
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fig, ax = plt.subplots()
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ax.set_xlabel("t [s]")
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vax = ax
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iax = ax
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if U and I:
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iax = ax.twinx()
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if U:
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vax = ax
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vax.set_ylabel("U [V]")
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vax.plot(_data[:,0], _data[:,2], color="blue", label="voltage")
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if I:
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iax.set_ylabel("I [A]")
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iax.plot(_data[:,0], _data[:,1], color="orange", label="current")
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if U and I:
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plt.legend()
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return fig
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vline, = vax.plot(index, vdata, color="m")
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vax.set_ylabel("Voltage [V]")
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vax.grid(True)
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vax.plot()
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iline, = iax.plot(index, idata, color="m")
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iax.set_ylabel("Current [A]")
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iax.grid(True)
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@ -20,6 +20,7 @@ classifiers = [
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dependencies = [
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"matplotlib>=3.6",
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"numpy",
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"pandas",
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]
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[project.optional-dependencies]
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12
readme.md
12
readme.md
@ -1,6 +1,8 @@
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# m-TENG
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Helper scripts and shell for measuring **T**ribo**e**lectric **N**ano**g**enerator-based sensor output with a Keithley 2600B SMU or an Arduino
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This project was written for my bachelor's thesis.
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## Features
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### Interactive (shell) mode
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@ -20,20 +22,20 @@ Helper scripts and shell for measuring **T**ribo**e**lectric **N**ano**g**enerat
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## Available backends
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### keithley
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Use a Keithley 2600B Source-Measure-Unit via *pyvisa*. This backend allows measuring both voltage and current simultaneously. *Tested with 2611B and 2614B*
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Use a Keithley 2600B Source-Measure-Unit via *pyvisa*. This backend allows measuring both voltage and current simultaneously. *Tested with 2611B and 2614B*
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### arduino
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Use a Bluetooth capable Arduino with [https://git.quintern.xyz/MatthiasQuintern/teng-arduino](this software on the arduino).
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This backend only allows measuring voltage using an Arduinos analog input pin (0 - 3.3 V, 12 bit resolution).
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Use a Bluetooth capable Arduino with [https://git.quintern.xyz/MatthiasQuintern/teng-arduino](this software on the arduino).
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This backend only allows measuring voltage using an Arduinos analog input pin (0 - 3.3 V, 12 bit resolution).
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### testing
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Use the shell without measuring TENG output. When starting a measurement, sample data will be generated.
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Use the shell without measuring TENG output. When starting a measurement, sample data will be generated.
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## Shell mode
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It is recommended to run the shell with ipython:
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```shell
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ipython -i k_teng_interactive.py -- -*X*
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ipython -i m_teng_interactive.py -- -*X*
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```
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Substitute *X* for `-k` for keithley backend, `-a` for arduino backend or `-t` for testing backend.
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