.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "auto_examples/oil_and_gas/plot_shut_in_detector.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note Click :ref:`here ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_auto_examples_oil_and_gas_plot_shut_in_detector.py: ================================ Detection of valve shut-in state ================================ We use data from an emergency shut-down valve sensor on a compressor. The figure shows reading from the valve and the detected open/close state for shut-in durations of at least 6 and 24 hours in duration. .. GENERATED FROM PYTHON SOURCE LINES 11-52 .. image-sg:: /auto_examples/oil_and_gas/images/sphx_glr_plot_shut_in_detector_001.png :alt: Detection of State for Emergency Shut-in Valve :srcset: /auto_examples/oil_and_gas/images/sphx_glr_plot_shut_in_detector_001.png :class: sphx-glr-single-img .. code-block:: default import os import matplotlib.pyplot as plt import pandas as pd from indsl.oil_and_gas.shut_in_detector import calculate_shutin_interval as shi base_path = "" if __name__ == "__main__" else os.path.dirname(__file__) data = pd.read_csv(os.path.join(base_path, "../../datasets/data/shut_down_valve.csv"), index_col=0) data = data.squeeze() data.index = pd.to_datetime(data.index) # TODO: Create load_shutin_valve_data method from above # Apply the shut-in detector with different settings and plot the results fig, ax = plt.subplots(3, 1, figsize=[9, 7]) ax[0].plot(data, "o", markersize=2, label="Raw data") # Short shut-in (default of 6 hrs), shut-in state is when the value is greater than threshold ax[1].plot( shi(data, shutin_state_below_threshold=False), color="red", linewidth=1, label="Min shut-in duration = 6 hr", ) # Long shut-in (24 hrs), shut-in state is when the value is greater than threshold ax[2].plot( shi(data, min_shutin_len=24, shutin_state_below_threshold=False), color="green", linewidth=1, label="Min shut-in duration = 24 hr", ) ax[0].set_ylabel("Open(1)/Close(0)") ax[0].set_title("Detection of State for Emergency Shut-in Valve") ax[1].set_ylabel("Valve state") ax[2].set_ylabel("Valve state") plt.setp(ax, ylim=[-0.05, 1.4]) _ = ax[0].legend(loc=2) _ = ax[1].legend(loc=2) _ = ax[2].legend(loc=2) plt.show() .. rst-class:: sphx-glr-timing **Total running time of the script:** ( 0 minutes 0.300 seconds) .. _sphx_glr_download_auto_examples_oil_and_gas_plot_shut_in_detector.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: plot_shut_in_detector.py ` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: plot_shut_in_detector.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_