update 20180517 2100
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/remote_media/m03/home/pi/adccalib_48.csv
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#! /usr/bin/python3
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import scipy.optimize as opt
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import numpy as np
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import pandas as pd
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import matplotlib.pyplot as plt
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lognum = 2
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plt.ioff()
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plt.style.use('bmh')
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plt.figure(figsize=(11.88, 8.4))
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data = pd.read_csv("./log_poticalib_ana_{:02d}.csv".format(lognum))
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fig, axarr = plt.subplots(2,1, sharex='col',figsize=(11.88, 8.4))
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data = pd.read_csv("./adccalib_48.csv")
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data['Dv'] = data['v_pit48/v'] - data['v_keith/v']
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print(data)
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#plt.errorbar(
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# data['time'],
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# data['act_curr_ps'],
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# yerr=data['act_curr_ps']*.002,
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# label="Spannungsquelle Ausgang",
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# fmt='.'
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#)
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#plt.errorbar(
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# data['time'],
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# data['act_curr_el']-.125,
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# label="Elektronische Last Eingang",
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# fmt='.'
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#)#
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data['val_poti'] = data['val_poti'].map(lambda x: int(x, base=16))
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data['r_bcu/kohm'] = 2*4.7+1/(1/data['r_restheo/kohm']+1/75)
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data['v_bcutheo/v'] = 0.7+0.7*30.1/(data['r_bcu/kohm']+6.49)
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plt.errorbar(
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data['r_bcu/kohm'],
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axarr[0].errorbar(
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data['v_keith/v'],
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yerr=data['dv_keith/v'],
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label="V$_{Keith,IV8A}$",
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data['v_pit48/v'],
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yerr=data['dv_pit48/v'],
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label="V$_{MONITOR\_48V}$",
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fmt='.'
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)
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plt.errorbar(
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data['r_bcu/kohm'],
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data['v_pit/v'],
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yerr=data['dv_pit/v)'],
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label="V$_{PIT,IV8A}$",
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axarr[0].errorbar(
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data['v_keith/v'],
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data['v_ps/v'],
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yerr=data['dv_ps/v'],
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label="V$_{PS}$",
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fmt='.'
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)
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plt.plot(
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data['r_bcu/kohm'],
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data['v_bcutheo/v'],
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label="V$_{BCU,O}$"
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)
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plt.xlabel('$R_{BCU,Set}$/k$\Omega$')
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plt.ylabel('V$_{1V8A}$/V')
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plt.title("PowerIt Calibration: Analog Potentiometer")
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plt.legend()
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axarr[1].errorbar(
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data['v_keith/v'],
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data['Dv'],
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yerr=data['dv_pit48/v'],
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label=" absolute Error of ADC",
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fmt='.'
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)
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# fit to abs dist
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linfnc = lambda x,m,c: x*m+c
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pfinal, pcov = opt.curve_fit(
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linfnc,
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data['v_keith/v'],
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data['Dv'],
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p0=(.1,2.6),
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sigma=[.5 for e in range(data['Dv'].size)]
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)
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print( pfinal )
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axarr[1].plot(
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data['v_keith/v'],
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data['v_keith/v']*pfinal[0]+pfinal[1]
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)
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plt.xlabel('V$_{Keith}$/k$\Omega$')
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axarr[0].set_ylabel('V$_{IN}$/V')
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axarr[0].set_title("PowerIt ADC Calibration: 48V Input")
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axarr[1].set_ylabel('$\Delta$V$_{IN}$ / V')
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axarr[0].legend()
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#-plt.savefig("2kw_direct.png")
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plt.tight_layout()
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plt.savefig("adccalib_{:02d}.eps".format(lognum), format='eps', dpi=1000)
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plt.savefig("adccalib_48.eps", format='eps', dpi=1000)
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@ -6,6 +6,10 @@
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\usepackage{xcolor}
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\usepackage{hyperref}
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\usepackage{tcolorbox}
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\usepackage{enumitem,amssymb}
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\definecolor{myteal}{HTML}{228c9c}
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%\DeclareTColorBox{blockbox}{ O{width=\textwidth} }{boxrule=0mm, colframe=myteal, valign lower=bottom, on line, lower separated=false, height=.6\textheight, #1}
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\newlist{todolist}{itemize}{2}
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\setlist[todolist]{label=$\square$}
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@ -2,30 +2,30 @@
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\begin{figure}
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\centering
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\begin{tabular}{l|l<{\ttfamily} l l l}
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addr & name & type & size & perm \\
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\bfseries{addr} & \bfseries{name} & \bfseries{type} & \bfseries{size} & \bfseries{perm} \\
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\hline
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0x00 & onmask & byte & 1 & rw\\
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0x01 & offmask & byte & 1 & rw\\
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0x02 & anapot & 9bit & 2 & rw\\
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0x04 & digipot & 9bit & 2 & rw\\
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0x00 & onmask & byte & 1 & rw\\
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0x01 & offmask & byte & 1 & rw\\
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0x02 & anapot & 9bit & 2 & rw\\
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0x04 & digipot & 9bit & 2 & rw\\
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\hline
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0x06 & TEMP\_SENSOR & float & 4 & r\\
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0x0a & EXT\_AIN & float & 4 & r\\
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0x0e & MONITOR\_48V & float & 4 & r\\
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0x12 & MONITOR\_48I & float & 4 & r\\
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0x16 & MONITOR\_8VBUS & float & 4 & r\\
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0x1a & MONITOR\_8IBUS & float & 4 & r\\
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0x1e & MONITOR\_8V\_0 & float & 4 & r\\
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0x22 & MONITOR\_8V\_1 & float & 4 & r\\
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0x26 & MONITOR\_8V\_2 & float & 4 & r\\
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0x2a & MONITOR\_8V\_3 & float & 4 & r\\
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0x2e & VDD\_1V8\_ANA & float & 4 & r\\
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0x32 & VDD\_1V8\_IOUT\_ANA & float & 4 & r\\
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0x36 & VDD\_1V8\_DIGI & float & 4 & r\\
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0x3a & VDD\_1V8\_IOUT\_DIGI & float & 4 & r\\
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0x06 & TEMP\_SENSOR & float & 4 & r\\
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0x0a & EXT\_AIN & float & 4 & r\\
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0x0e & MONITOR\_48V & float & 4 & r\\
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0x12 & MONITOR\_48I & float & 4 & r\\
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0x16 & MONITOR\_8VBUS & float & 4 & r\\
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0x1a & MONITOR\_8IBUS & float & 4 & r\\
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0x1e & MONITOR\_8V\_0 & float & 4 & r\\
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0x22 & MONITOR\_8V\_1 & float & 4 & r\\
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0x26 & MONITOR\_8V\_2 & float & 4 & r\\
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0x2a & MONITOR\_8V\_3 & float & 4 & r\\
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0x2e & VDD\_1V8\_ANA & float & 4 & r\\
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0x32 & VDD\_1V8\_IOUT\_ANA & float & 4 & r\\
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0x36 & VDD\_1V8\_DIGI & float & 4 & r\\
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0x3a & VDD\_1V8\_IOUT\_DIGI & float & 4 & r\\
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\hline
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0x3e & CommitHash & float & 4 & s\\
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0x42 & CommitDirtyFlag & byte & 1 & s\\
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0x43 & STM32UUID & 96bit & 12 & s\\
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0x3e & CommitHash & float & 4 & s\\
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0x42 & CommitDirtyFlag & byte & 1 & s\\
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0x43 & STM32UUID & 96bit & 12 & s\\
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\end{tabular}
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\end{figure}
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@ -1,22 +1,44 @@
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%! TEX root = ./thesis.tex
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\twocolumn
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\chapter{vorläufiger Inhalt}
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\begin{itemize}
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\item I2C stabil + (Chip ID == PowerIt ID) auslesbar
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\item I2C stabil
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\begin{itemize}
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\item I2C Umbau, was war, was wird nicht mehr, was bleibt, was wird neu?
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\item \href{https://techoverflow.net/2015/02/03/reading-the-stm32-unique-device-id-in-c/}{UID auslesen}
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\begin{todolist}
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\item[$\checkmark$] Umbau
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\item alt
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\item ballast
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\item reused
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\item neu
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\end{todolist}
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\item \href{https://techoverflow.net/2015/02/03/reading-the-stm32-unique-device-id-in-c/}{STM32UUID auslesen}
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\end{itemize}
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\item Messungen kalibrieren
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\begin{itemize}
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\item ADC vs Keithley (Spannugnen) bzw. vs EL (Strom)
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\begin{todolist}
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\item 48V
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\item 10V
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\item[\checkmark] 1.8V (Fig.\ref{fig::1V8vsR})
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\item 48I
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\item 10I
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\item 1.8I
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\end{todolist}
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\item Kennlinien charakterisieren (woher kommen Fehler? Offset, Gain)
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\begin{itemize}
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\item erklaeren der consts im Quellcode der Firmware:
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\begin{itemize}
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\begin{todolist}
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\item Messschaltungen der Spannungen und Stroeme
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\begin{todolist}
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\item 48V
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\item 10V
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\item 1.8V
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\end{todolist}
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\item Berechnung von 8I
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\item Umrechnung des Temp sensors
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\end{itemize}
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\end{todolist}
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\item Langzeit-Stabilität (\textasciitilde 1 Monat)
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\item Powerit-zu-Powerit variation $\rightarrow$ woher kommen Kalibrationswerte? (kein ID chips)
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\begin{itemize}
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@ -38,6 +60,7 @@
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\item Stabilität!
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\end{itemize}
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\end{itemize}
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\onecolumn
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\begin{figure}[b]
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\centering
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%\includegraphics[height=.4\textheight]{data/m02_adccalib_48/i48_adccalib.eps}
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\centering
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\includegraphics[width=\textwidth]{data/m03_poticalib/adccalib_02.eps}
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\caption{ Kurve der 1.8V Ausgangsspannung in Abhaengigkeit des angelegeten Widerstandes}
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\label{}
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\label{fig::1V8vsR}
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\end{figure}
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\begin{figure}[b]
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\centering
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\includegraphics[height=.4\textheight]{tikz/mon48v.pdf}
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\caption{circuit for getting the input voltage}
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\label{fig::mon48v}
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\end{figure}
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\begin{figure}[b]
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\centering
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\includegraphics[height=.4\textheight]{tikz/mon48i.pdf}
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\caption{circuit for getting the input current}
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\label{fig::mon48i}
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\end{figure}
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12
thesis.tex
12
thesis.tex
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@ -21,10 +21,10 @@
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\tableofcontents
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\include{./temp_content}
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\include{./tabs/registerbuffer}
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\include{parts/intro}
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\include{parts/tasks}
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\include{parts/theory}
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\include{parts/experiments}
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\include{parts/results}
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\include{parts/outlook}
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%\include{parts/intro}
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%\include{parts/tasks}
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%\include{parts/theory}
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%\include{parts/experiments}
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%\include{parts/results}
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%\include{parts/outlook}
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\end{document}
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\documentclass[]{standalone}
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\input{./tikzpreamble}
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\begin{document}
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\begin{circuitikz}[scale=2]
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\draw[color=black, thick]
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(1,0)
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to [R, text width=1cm, l={R 500$\mu$},f>^=I$_{IN}$, *-] (1,6)
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to [short, -o](0,6) node[left] {V$_{IN} = -48V$}
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(1,5.1) node[draw=black, fill=white, regular polygon, regular polygon sides=4] {PowerIt}
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(0,0) node[left]{GND$_{V_{IN}}$} to [short, o-] (1,0)
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(2.1,3) node[fd op amp] (fdoa) {}
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(fdoa.+) to [short,-*] (1,2)
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(fdoa.-) to [short,-*] (1,4)
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(fdoa.down) to (2.06,0)
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(fdoa.down)+(-.2,-.1)
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to (1.86,0)
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to [short, -*](1,0)
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(fdoa.up)
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to (2.06,6)
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to [short,-o](6,6) node[right] {$V_{SS} = 3.3V$}
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(fdoa.up)+(-.2,.1)
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to (1.86,6)
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to [short, -*] (2.06,6)
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(4,3) node[op amp] (oa) {}
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(fdoa.out -) to (oa.-)
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(fdoa.out +) to (oa.+)
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(2.06,0) to [short,-o] (6,0) node[right]{GND}
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(5,0) node[ground]{} node[circ](4.5,0){}
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(oa.out) to [short,-] (5.5,3) node[right,draw=black] {MONITOR\_48I}
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;
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\end{circuitikz}
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\end{document}
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\begin{document}
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\begin{circuitikz}[scale=2]
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\draw[color=black, thick]
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(0,0) node[left]{$V_{SS}=-48V$}
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(-1,0) node[left]{$V_{IN}=-48V$}
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to [short,o-*] (1.5,0){} % Baseline for connection to ground
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(1,0)
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to [R, text width=1cm, l={R? 240k}, *-] (1,3)
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to [R, text width=1cm, l={R? 1k}, *-] (1,6)
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(0,6) to [short, o-] (1,6)
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(-1,6) node[left]{$GND_{V_{IN}}$} to [short, o-] (1,6)
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(2.1,3) node[fd op amp] (fdoa) {}
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(fdoa.+) to (1,3)
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to [short, -*](.1,6)
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(fdoa.up)
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to (2.06,6)
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to (5,6)
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to [short,-o](6,6) node[right] {$V_{SS} = 3.3V$}
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(fdoa.up)+(-.2,.1)
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to +(-.2,1)
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to [short, -*] +(0,1)
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@ -32,12 +32,8 @@
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(2.06,0) to [short,-o] (6,0) node[right]{GND}
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(5,0) node[ground]{} node[circ](4.5,0){}
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(5,0)
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to [R, text width=1cm, l=$R20$ 1k] (5,3)
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to [R, l=$R21$, *-*] (5,6)
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to [short, -o](6,6) node[right]{$V_{DD}=3.3 V$}
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% Mosfet Transistors
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(oa.out) to [short,-] (6,3) node[right,draw=black] {MONITOR\_48V}
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;
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\end{circuitikz}
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\end{document}
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\usepackage{tikz}
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\usetikzlibrary{positioning, shapes, arrows}
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\usetikzlibrary{positioning, shapes, arrows, shapes.geometric}
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\usepackage[siunitx]{circuitikz}
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\usepackage[utf8]{inputenc}
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%\usepackage{cm}
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