diff --git a/python/lsst/summit/testing/analysis/m1m3/.ipynb_checkpoints/inertia_compensation_system-checkpoint.py b/python/lsst/summit/testing/analysis/m1m3/.ipynb_checkpoints/inertia_compensation_system-checkpoint.py
new file mode 100644
index 0000000..fd37534
--- /dev/null
+++ b/python/lsst/summit/testing/analysis/m1m3/.ipynb_checkpoints/inertia_compensation_system-checkpoint.py
@@ -0,0 +1,146 @@
+#!/usr/bin/python
+from logging import logging 
+from astropy.time import Time, TimeDelta
+
+from lsst.summit.utils.tmaUtils import TMAEventMaker, TMAEvent
+
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.DEBUG)
+
+
+class InertiaCompensationSystemAnalysis:
+    """
+    Evaluate the M1M3 Inertia Compensation System's performance by 
+    calculating the minima, maxima and peak-to-peak values during a
+    slew. In addition, calculates the mean, median and standard deviation
+    when the slew has contant velocity or zero acceleration. 
+    
+    Parameters
+    ----------
+    event : `lsst.summit.utils.tmaUtils.TMAEvent`
+        Abtract representation of a slew event. 
+    """
+    # ToDo @bquint
+    def __init__(event : TMAEvent):
+        raise NotImplementedError
+        
+    @staticmethod
+    def get_minmax_from_series(s):
+        """
+        Calculate minimum, maximum, and peak-to-peak values for a data-series.
+
+        Parameters
+        ----------
+        s : pandas.Series
+            The input pandas Series containing data.
+
+        Returns
+        -------
+        pandas.Series
+            A Series containing the following calculated values for the two 
+            halves of the input Series:
+            - min: Minimum value of the Series.
+            - max: Maximum value of the Series.
+            - ptp: Peak-to-peak (ptp) value of the Series (abs(max - min)).
+        """
+        result = pd.Series(
+            data=[s.min(), s.max(), np.ptp(s)],
+            index=["min", "max", "ptp"],
+            name=s.name,
+        )
+        return result
+    
+    @staticmethod
+    def get_avgmedstd_from_series(s):
+        """
+        Calculate average, median, and standard deviation for a data-series.
+
+        Parameters
+        ----------
+        s : pandas.Series
+            The input pandas Series containing data.
+
+        Returns
+        -------
+        pandas.Series
+            A Series containing the following calculated values for the two 
+            halves of the input Series:
+            - mean: The mean value of the Series.
+            - median: The median value of the Series. 
+            - std: The standard deviation of the Series. 
+        """
+        result = pd.Series(
+            data=[s.mean(), s.median(), s.std()],
+            index=["mean", "median", "std"],
+            name=s.name,
+        )
+        return result
+
+    
+def get_tma_slew_event():
+    """
+    Retrieve Telescope Mount Assembly (TMA) slew events within a specified time 
+    range.
+    
+    Parameters
+    ----------
+    dayObs : int
+        Observation day in the YYYYMMDD format.
+    seqNum : int
+        Sequence number associated with the slew event.
+    
+    Returns
+    -------
+    lsst.summit.utils.tmaUtils.TMAEvent
+        A TMA slew events that occurred within the specified time range.
+
+    Notes
+    -----
+    This function retrieves TMA slew events occurring between the specified 
+    start and end times. It uses the TMAEventMaker class to obtain events for 
+    the specified day of observation (dayObs). The events are filtered to 
+    include only those that start after 1 second before the specified start time
+    and end before 1 second after the specified end time.
+
+    Example
+    -------
+    >>> 
+    >>> 
+    >>> 
+    """
+    events = event_maker.getEvents(day_obs_begin)
+    
+    assert len(events) == 1
+    return events[0]
+    
+    
+def evaluate_single_slew(day_obs, seq_number):
+    """
+    Evaluates the M1M3 Inertia Compensation System in a single slew with a 
+    `seqNumber` sequence number and observed during `dayObs`. 
+    
+    Parameters
+    ----------
+    day_obs : int
+        Observation day in the YYYYMMDD format.
+    seq_number : int
+        Sequence number associated with the slew event.
+    """
+    event_maker = TMAEventMaker()
+    events = event_maker.getEvents(day_obs)
+    single_event = [e.seqNum == seq_number for e in events]
+    
+    if len(single_event) > 1:
+        raise ValueError(
+            f"Expected a single event for {day_obs}. "
+            f"Found {len(single_event)} events."
+        )
+        
+    if len(single_event) == 0:
+        raise ValueError(
+            f"Could not find any events for {day_obs}. "
+        )
+    
+
+if __name__ == "__main__":
+    evaluate_single_slew(20230802, 38)
\ No newline at end of file
diff --git a/python/lsst/summit/testing/analysis/m1m3/inertia_compensation_system.py b/python/lsst/summit/testing/analysis/m1m3/inertia_compensation_system.py
new file mode 100644
index 0000000..0dd0f06
--- /dev/null
+++ b/python/lsst/summit/testing/analysis/m1m3/inertia_compensation_system.py
@@ -0,0 +1,152 @@
+#!/usr/bin/python
+import logging
+import pandas as pd
+
+from lsst.summit.utils.tmaUtils import TMAEventMaker, TMAEvent
+
+# TODO @bquint: fix logger - not working now. 
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.DEBUG)
+
+
+class InertiaCompensationSystemAnalysis:
+    """
+    Evaluate the M1M3 Inertia Compensation System's performance by 
+    calculating the minima, maxima and peak-to-peak values during a
+    slew. In addition, calculates the mean, median and standard deviation
+    when the slew has contant velocity or zero acceleration. 
+    
+    Parameters
+    ----------
+    event : `lsst.summit.utils.tmaUtils.TMAEvent`
+        Abtract representation of a slew event. 
+    """
+    # ToDo @bquint
+    def __init__(event : TMAEvent):
+        raise NotImplementedError
+        
+    @staticmethod
+    def get_minmax_from_series(s):
+        """
+        Calculate minimum, maximum, and peak-to-peak values for a data-series.
+
+        Parameters
+        ----------
+        s : pandas.Series
+            The input pandas Series containing data.
+
+        Returns
+        -------
+        pandas.Series
+            A Series containing the following calculated values for the two 
+            halves of the input Series:
+            - min: Minimum value of the Series.
+            - max: Maximum value of the Series.
+            - ptp: Peak-to-peak (ptp) value of the Series (abs(max - min)).
+        """
+        result = pd.Series(
+            data=[s.min(), s.max(), np.ptp(s)],
+            index=["min", "max", "ptp"],
+            name=s.name,
+        )
+        return result
+    
+    @staticmethod
+    def get_avgmedstd_from_series(s):
+        """
+        Calculate average, median, and standard deviation for a data-series.
+
+        Parameters
+        ----------
+        s : pandas.Series
+            The input pandas Series containing data.
+
+        Returns
+        -------
+        pandas.Series
+            A Series containing the following calculated values for the two 
+            halves of the input Series:
+            - mean: The mean value of the Series.
+            - median: The median value of the Series. 
+            - std: The standard deviation of the Series. 
+        """
+        result = pd.Series(
+            data=[s.mean(), s.median(), s.std()],
+            index=["mean", "median", "std"],
+            name=s.name,
+        )
+        return result
+
+    
+def get_tma_slew_event():
+    """
+    Retrieve Telescope Mount Assembly (TMA) slew events within a specified time 
+    range.
+    
+    Parameters
+    ----------
+    dayObs : int
+        Observation day in the YYYYMMDD format.
+    seqNum : int
+        Sequence number associated with the slew event.
+    
+    Returns
+    -------
+    lsst.summit.utils.tmaUtils.TMAEvent
+        A TMA slew events that occurred within the specified time range.
+
+    Notes
+    -----
+    This function retrieves TMA slew events occurring between the specified 
+    start and end times. It uses the TMAEventMaker class to obtain events for 
+    the specified day of observation (dayObs). The events are filtered to 
+    include only those that start after 1 second before the specified start time
+    and end before 1 second after the specified end time.
+
+    Example
+    -------
+    >>> 
+    >>> 
+    >>> 
+    """
+    events = event_maker.getEvents(day_obs_begin)
+    
+    assert len(events) == 1
+    return events[0]
+    
+    
+def evaluate_single_slew(day_obs, seq_number):
+    """
+    Evaluates the M1M3 Inertia Compensation System in a single slew with a 
+    `seqNumber` sequence number and observed during `dayObs`. `
+    
+    Parameters
+    ----------
+    day_obs : int
+        Observation day in the YYYYMMDD format.
+    seq_number : int
+        Sequence number associated with the slew event.
+    """
+    event_maker = TMAEventMaker()
+    
+    logger.info(f"Query events in {day_obs}")
+    events = event_maker.getEvents(day_obs)
+    
+    logger.info(f"Found {len(events)} events.")
+    single_event = [e for e in events if e.seqNum == seq_number]
+    
+    if len(single_event) > 1:
+        raise ValueError(
+            f"Expected a single event for {day_obs}. "
+            f"Found {len(single_event)} events."
+        )
+        
+    if len(single_event) == 0:
+        raise ValueError(
+            f"Could not find any events for {day_obs}. "
+        )
+    
+
+if __name__ == "__main__":
+    evaluate_single_slew(20230802, 38)
+    
\ No newline at end of file