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authorDaniel Friesel <derf@finalrewind.org>2022-11-27 20:40:55 +0100
committerDaniel Friesel <derf@finalrewind.org>2022-11-27 20:40:55 +0100
commit3efdbef19ede0ee9f5cd7f81e4a4398e15797932 (patch)
tree5465a0b8153efd7453f9dda17dbf911450503ed8 /bin
parentfaa17cdfd3da9c7a4a1a90f81327d2a8e86a4a45 (diff)
add conversion efficiency plot
Diffstat (limited to 'bin')
-rwxr-xr-xbin/korad-logger32
1 files changed, 29 insertions, 3 deletions
diff --git a/bin/korad-logger b/bin/korad-logger
index dcc9e54..bba0e8e 100755
--- a/bin/korad-logger
+++ b/bin/korad-logger
@@ -451,7 +451,7 @@ def measure_data(
return output
-def plot_data(data, mode):
+def plot_data(data, mode, output_power=None):
import matplotlib.pyplot as plt
plt.style.use(matplotlib_theme)
@@ -517,6 +517,26 @@ def plot_data(data, mode):
plt.xlabel("Current [A]")
plt.ylabel("Power [W]")
+ elif mode == "Up" and output_power:
+ plt.plot(
+ data[:, 1],
+ output_power * 100 / (data[:, 1] * data[:, 2]),
+ "bs",
+ markersize=2,
+ )
+ plt.xlabel("Voltage [V]")
+ plt.ylabel("Conversion Efficiency [%]")
+
+ elif mode == "Ip" and output_power:
+ plt.plot(
+ data[:, 2],
+ output_power * 100 / (data[:, 1] * data[:, 2]),
+ "bs",
+ markersize=2,
+ )
+ plt.xlabel("Current [A]")
+ plt.ylabel("Conversion Efficiency [%]")
+
plt.show()
@@ -685,10 +705,16 @@ def main():
parser.add_argument(
"--plot",
metavar="UNIT",
- choices=["U", "I", "P", "UI", "UP", "IU", "IP"],
+ choices=["U", "I", "P", "UI", "UP", "Up", "IU", "IP", "Ip"],
help="Plot voltage / current / power over time or voltage vs current / current vs voltage",
)
parser.add_argument(
+ "--converter-output-power",
+ type=int,
+ metavar="WATTS",
+ help="Output power for conversion efficiency calculation (--plot=Up / --plot=Ip)",
+ )
+ parser.add_argument(
"--dark-mode", action="store_true", help="Show plots on a dark background"
)
parser.add_argument(
@@ -740,7 +766,7 @@ def main():
data = parse_data(log_data, skip=args.skip, limit=args.limit)
if args.plot:
- plot_data(data, args.plot)
+ plot_data(data, args.plot, args.converter_output_power)
if __name__ == "__main__":