Motion analysis involves tracking discrete points (or markers) of interest on moving components/bodies for the investigation of how a point moves relative to another point or to a stationary body.
Measurement information usually obtained from motion analysis are typically discrete vector values of (relative) position, displacement, velocity, acceleration, and 6DOF rotation.
Additionally, alignment and rotation measurements are also performed for motion analysis applications, which attempt to quantify out-of-plane displacement (wobbling) from a rotation.
Digital Image Correlation (DIC) and Point (Marker) Tracking is often performed for motion analysis for the following applications, including.
- Relative displacement measurements of components
- Relative displacement measurements of robotic arms (for reliability simulation)
- Wobbling testing of components
Application Notes
Motion Analysis opening test of a Satellite Fairing using Istra4D V4.12
A 2-cam HSpeedDIC system measure the total displacement of a satellite fairing when opened and to determine if any misalignment occurs during the test with respect to the closed position
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Motion Analysis of an RC Submarine Dive using Istra4D V4.12
A 3-cam (5 Mpx) FlexDIC system measures the dive motion of an RC submarine in a filled water tank using Istra4D V4.12.
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Underwater Propeller Motion Analysis Test using Istra4D V4.12
A 3-cam (5 Mpx) FlexDIC system measures the displacement of propeller blades whilst the propeller is in rotation, underwater.
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RELATED SOLUTIONS
Motion Analysis of a toy (pressure-launched) rocket using the MSpeedDIC system in Istra4D V4.11
A 2-cam (16 Mpx) MSpeedDIC system is used to measure the displacement, velocity & acceleration of a toy rocket upon (pressure) launch
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Impact Analysis of a Metal Ball Drop using the MSpeedDIC system in Istra4D V4.11
A 2-cam (16 Mpx) MSpeedDIC system measures the impact (specifically displacement & strain) of a metal ball being dropped on an aluminum honeycomb component
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Motion analysis of a turning spindle using the MSpeedDIC system in Istra4D V4.11
A 2-cam (16 Mpx) MSpeedDIC system measures the displacement & velocity of a rotating/turning spindle.
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Motion analysis of a robotic arm (with a counterweight) in Istra4D V4.11
A 2-camera (5 Mpx) MSpeedDIC system operating at 30 Hz was used to measure the motion of a robotic arm that was programmed to perform a welding process.
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Motion analysis of a PC ventilator fan in Istra4D V4.11
Two high-speed SpeedSense cameras are used to measure the displacement of a PC ventilator fan in operation.
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Phone drop impact test in Istra4D V4.11
Two high-speed SpeedSense cameras are used to measure the impact response of a mobile phone being dropped from a height of 50 cm
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Crab Scuttle Motion Analysis in Istra4D V4.11 using point (marker) tracking
In this application video, a 9-cam MulticamDIC system with point (marker) tracking is used to analyze the movement of a toy crab scuttling.
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Robotic arm movement analysis in Istra4D V4.11
In this application video, the movement of a robotic arm is tracked using the subset/facet method to assess the reliability of the motion pattern of a robot.
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Wing Deflection Measurement in Istra4D V4.11 using point (marker) tracking
In this application video, point (marker) tracking is used to measure the deflection on a model aircraft. The detected markers are coded and automatically recognized by the Istra4D V4.11 sof[…]
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Tire wobbling analysis with Istra4D V4.11
An analysis of a tire wobbling under rotation is shown in this application video using a 2-cam FlexDIC system.
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