The CSIR’s capability to test performance of military vehicles when detonating a landmine has been significantly enhanced by updating of the organisation’s crash test dummies.
Known as anthropomorphic test devices (ATDs) the crash test dummies are used to simulate human injuries suffered as a result of blast events.
Improvised explosive devices (IEDs) or landmines cause multi-dimensional injury, impairing physiological systems and organs. The CSIR uses data gathered to develop protection solutions for infantry ground soldiers, as well as military personnel operating in vehicles subjected to blast events.
The CSIR upgraded its Hybrid III ATD with a rugged and ultra-small internal data acquisition system (DAS).
Called nano-DAS, it is the smallest high-shock rated data acquisition device on the market and was specifically designed for landmine blast tests. It has a footprint of only 26 x 31 mm and features up to 16 gigabytes of non-volatile flash memory that stores hours of data for downloading after the event.
The benefit of the upgrade lies in improved data quality as the nano-DAS is positioned right where the sensors and area of interest are.
Setting up for a blast test using previous generation ATDs was an arduous task with long and complicated cables from the test device to the data storage devices. The nano-DAS is far less complicated, requiring only one cable. This reduces the risk of losing signal between transducers and data acquisition sensors and eliminates noise generated by cable motion and electrical interference.
The upgraded system is also rugged and captures data during severe blast events with minimal or no damage to the test device.
It has a high sampling rate, which means it can capture data at a rate of up to a half million data points per second per channel. This rate enables it to log all the action taking place during an event lasting for only a few nanoseconds. The system’s software allows for real-time logging, viewing and exporting, giving researchers the opportunity to view initial test results on-site.
The upgraded ATD with nano-DAS will significantly advance the CSIR’s landmine military vehicle testing capability. It improves the fidelity of the data and the efficiency of test set-up, which, in turn, enables vehicle manufacturers to provide better protection for soldiers and other military personnel.