Shoulders and collarbones can leap for joy as The TechAir is a 6 staged system using sensors located in secret positions throughout a suit designed not to trigger unless a series of criteria are all met that meets a kind of mathematical definition of a crash. Here's how it works.
During Stage 1 the sensors placed throughout the race suit record data and then that data is used for a diagnostic check.
The second stage is what is called the "arming algorithm." Basically, the zipper must be fully pulled up, the rider on the bike, the engine running and the rider and bike in motion. Once all of those criteria are met, the TechAir is ready to be "armed." The third stage is for "features," which are actions or things like data or algorithms that are considered a crash as defined by the system. And these "features" can either come from a single sensor, some of the sensors, or all the sensors attempting to spot the requirements for a crash.
Stage 4 is for classifying. Basically, this is when the features reported from the sensors during Stage 3 are telling the TechAir's system whether they think a crash is happening or not. The system then sorts all that information from the sensors and makes a decision if there is a crash or not. At this point, 2 milliseconds have passed from Stage 1.
During the fifth stage, the TechAir runs a post-classifier, a kind of last second buffer that asks the system, "Are you sure? You really think there's a crash, right?"
Once these 5 preliminary stages are met, the TechAir will discharge. A full cycle for triggering the system happens within 8 milliseconds and the bags inflate in 50 milliseconds.