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Event-based Motion Analysis Overview

With SolidWorks Simulation® Professional added in, you can use a Motion Analysis study to calculate the motion of an assembly that incorporates event-based motion control.

Motion studies can be time-based or event-based.

Time-based motion studies describe the response to time-based changes in motion elements on the assembly motion.

Event-based motion studies are defined with a set of motion actions resulting from triggering events. Create an event-based motion study when you do not know the exact time sequence for element changes. You can obtain the time sequence for element changes by calculating an event-based motion study.

For example, in a manufacturing process that includes components moving along a conveyor belt, motors turn on or change according to component position along the belt. However, since you do not know the exact time at which a component reaches a position before calculating the motion, you cannot determine the time to change the motor value. Without knowing the exact times to turn on or change a motor, you cannot create a time-based motion study. However, you can use an event-based motion study to model the conveyor assembly motion.

Use event-based motion analysis to specify motion from some combination of sensors, times, or previous events.

Event-based motion requires a set of tasks. The tasks can be sequential or can overlap in time. Each task is defined by a triggering event and its associated task action. Task actions control or define motion during the task.

A task trigger is the event that drives the motion control action for a task. You can define task triggers based on time, previous tasks, or sensed values, such as component position.

A task action defines or constrains the motion of one or more components in the assembly. You can define actions to suppress or activate mates, stop motion, or to change values for motors, forces, or torques.

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