Armaments Research Company Inc.

Kyle William Broadway

Michael John Canty

John Asbach

A system and method for determining an operational status of a firearm based on a discharge event is provided. A first acceleration is measured on the firearm at a first time. A second acceleration is measured on the firearm at a second time. A measured shot separation of first and second accelerations between the first and second times is calculated. The measured shot separation is compared to at least one shot separation threshold. A speed of a movement member in the firearm is assigned based on the comparing. The operational status of the firearm is determined based on the assigned speed. The operational status is communicated to a first user of the firearm in real-time.

Weapon usage monitoring system having predictive maintenance based on analysis of shot separation

A method for determining a performance metric based on a discharge event of a firearm is provided. A plurality of first input signals over a sample window of time from a first inertial measurement unit (IMU) configured on the first firearm are received by a first event detection module associated with the first firearm of a first user. An occurrence of a first shot discharge of the first firearm at a first time based on the plurality of first input signals is identified by the first event detection module. An occurrence of a second shot discharge of the first firearm at a second time based on the plurality of first input signals is identified by the first event detection module. A first split time is determined for the first user based on a difference between the first and second times.

Weapon usage monitoring system having performance metrics based on discharge event detection

A method for determining a discharge event of a firearm includes receiving by an event detection module, (i) acceleration input signals over time including first acceleration input signals along a first axis, a second acceleration input signals along a second axis and a third acceleration input signals along a third axis; and (ii) rotation input signals over the time including first rotation input signals around the first axis, a second rotation input signals around the second axis and a third rotation input signals around the third axis. A sample event candidate is generated based on the plurality of acceleration and rotation input signals over the time. The sample event candidate is compared to a stored data collection of acceleration and rotation inputs known to represent at least one state of a user of the firearm. A state of the user is determined based on the comparing.

Weapon usage monitoring system having shot correlation monitoring based on user fatigue

A system and method for recommending a corrective action based on a performance metric related to a discharge event of a firearm is provided. The method includes receiving, by a first event detection module associated with a first firearm, a plurality of first input signals over a sample window of time from a first inertial measurement unit configured on the first firearm; identifying, by the first event detection module, an occurrence of a first shot discharge of the first firearm at a shot time based on the plurality of first input signals; determining a first orientation of the first firearm at the shot time; determining a second orientation of the first firearm at a first time before the shot time; comparing the first and second orientations; determining a first performance metric related to pre-shot weapon orientation; and displaying a first recommended corrective action based on the first performance metric.

Weapon usage monitoring system having performance metrics and feedback recommendations based on discharge event detection

A system and method for determining a performance metric based on a discharge event of a firearm includes a first inertial measurement unit (IMU) and a first event detection module. The first IMU is disposed on a first firearm and senses movement including at least one of accelerations and rotations. The first event detection module can receive a plurality of first input signals from the first IMU indicative of the movement. The first event detection module can identify an occurrence of a first shot discharge of the first firearm at a shot time based on the plurality of first input signals; determine a first orientation of the first firearm at the shot time; determine a second orientation of the first firearm at a first time before the shot time; compare the first and second orientations; and assign a first stability index based on the first and second orientations.

Weapon usage monitoring system having performance metrics including stability index feedback based on discharge event detection

A method for determining an operational status of a firearm based on a discharge event is provided. A signal indicative of a plurality of accelerations sensed by an inertial measurement unit is received by an event detection module. A sample shot profile is determined based on the signal. The shot profile can comprise a first peak at a first time representing initial discharge of the firearm wherein a bolt of the firearm moves from an initial forward position, a second peak at a second time, representing the bolt engaging a rear buffer of the firearm, and a third peak at a third time, representing the bolt returning to the forward position. A measured bolt speed of the weapon is determined based on a difference between the second and third times. The measured bold speed is compared to a baseline weapon bolt speed. An operational status of the weapon is determined.

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Mount Airy, MD, United States of America

Kyle William Broadway