How can you ensure the reliability of a crash test dummy?

2 Calibrate the dummy

Before using a crash test dummy, you need to calibrate it to ensure that it is functioning properly and consistently. Calibration is the process of adjusting and verifying the sensors, instruments, and mechanical components of the dummy to match the reference values and tolerances. Calibration is usually done in a laboratory setting, using specialized equipment and procedures. You need to follow the manufacturer's instructions and the industry standards for calibration, such as the Code of Federal Regulations (CFR) or the Society of Automotive Engineers (SAE) guidelines.

3 Maintain the dummy

After each crash test, you need to inspect and maintain the dummy to prevent any damage or deterioration that could affect its performance and reliability. Maintenance involves cleaning, repairing, replacing, or upgrading any parts or systems of the dummy that are worn out, broken, or outdated. You also need to store the dummy in a suitable environment, away from moisture, dust, heat, or cold. You should keep a record of the dummy's history, including its serial number, calibration date, test results, and maintenance activities.

4 Validate the dummy

In addition to calibration and maintenance, you need to validate the dummy to ensure that it is producing valid and reliable data. Validation is the process of comparing and analyzing the data from the dummy with the data from other sources, such as human volunteers, cadavers, or computer models. Validation can help you identify any errors, anomalies, or biases in the dummy's data, and correct them accordingly. Validation can also help you improve the dummy's design, functionality, or accuracy.

5 Update the dummy

Finally, you need to update the dummy to keep up with the changing needs and demands of the automotive industry and the society. As vehicles become more advanced and diverse, so do the crash test scenarios and criteria. As human anatomy and physiology evolve, so do the injury mechanisms and thresholds. You need to update the dummy to reflect these changes and incorporate new features, technologies, or standards. You can update the dummy by modifying its existing parts or systems, or by acquiring new ones.

By following these tips and best practices, you can ensure the reliability of a crash test dummy, and use it effectively and efficiently for your automotive engineering projects.