2018-11-13 19:01

3 files changed, 53 insertions, 0 deletions

diff --git a/data/2018-11-13/setpoint.png b/data/2018-11-13/setpoint.png
new file mode 100644
index 0000000..65b8072
--- /dev/null
+++ b/data/2018-11-13/setpoint.png
diff --git a/data/2018-11-13/setpoint.txt b/data/2018-11-13/setpoint.txt
new file mode 100644
index 0000000..bc1a035
--- /dev/null
+++ b/data/2018-11-13/setpoint.txt
@@ -0,0 +1,26 @@
+# set,R,L
+999,9.99,9.99
+899,8.98,8.99
+799,7.99,7.99
+699,6.98,6.98
+599,5.99,6.00
+499,4.98,4.99
+399,3.98,3.99
+299,2.98,2.99
+199,1.98,2.00
+99,0.99,1.01
+89,0.89,0.91
+79,0.79,0.81
+69,0.69,0.71
+59,0.60,0.61
+49,0.50,0.51
+39,0.40,0.41
+29,0.30,0.32
+19,0.20,0.22
+9,0.10,0.12
+5,0.06,0.08
+4,0.05,0.07
+3,0.04,0.06
+2,0.03,0.05
+1,0.02,0.04
+0,0.02,0.03
diff --git a/data/2018-11-13/workup.py b/data/2018-11-13/workup.py
new file mode 100644
index 0000000..8c4e0b0
--- /dev/null
+++ b/data/2018-11-13/workup.py
@@ -0,0 +1,27 @@
+import pathlib
+import numpy as np
+import matplotlib.pyplot as plt
+
+__here__ = pathlib.Path(__file__).parent
+
+xi, r, l = np.genfromtxt('setpoint.txt', delimiter=',').T
+
+xi /= 100  # put into proper scale
+
+plt.plot(xi, r)
+plt.scatter(xi, r, label='right')
+plt.plot(xi, l)
+plt.scatter(xi, l, label='left')
+
+plt.xscale('log')
+plt.yscale('log')
+
+plt.xlabel('setpoint (mA)')
+plt.ylabel('measured (mA)')
+plt.grid()
+plt.plot(xi, xi, c='k', alpha=0.5, lw=0.5)
+
+plt.legend()
+
+plt.savefig('setpoint.png', dpi=300, transparent=True)
+plt.close()