Car crash test dummies, also known as anthropomorphic test devices (ATDs), are mannequin-like devices used to simulate the human body during car crash tests. These dummies are designed to mimic the size, weight, and movements of the human body, and are equipped with sensors that measure the forces exerted on the dummy during a collision. The data collected from these tests is used to assess the safety of the vehicle and its potential to cause injury to its occupants in the event of a crash.
The use of car crash test dummies dates back to the late 1930s, when the first dummy, known as the “Hybrid III,” was developed. Since then, car crash test dummies have undergone significant advancements in terms of design and technology. Today’s dummies are much more advanced than their predecessors and are designed to mimic the human body as accurately as possible.
One of the most important features of car crash test dummies is the array of sensors that are placed inside the dummy’s body. These sensors measure various parameters such as head acceleration, chest compression, and limb movement. The data collected from these sensors is used to determine the level of injury that the dummy would have sustained in a real-world crash.
The design of car crash test dummies is based on extensive research and data on human anatomy and injury biomechanics. This research is used to create dummies that are representative of different populations, such as children, adults, and elderly individuals. This allows for testing to be conducted on vehicles that are designed to accommodate different types of occupants.
In addition to traditional crash test dummies, there are also advanced dummies that are designed to simulate specific injuries. For example, there are dummies that are designed to measure the risk of spinal injury, while others are designed to measure the risk of head injury. These specialized dummies are used in specialized tests to evaluate the performance of safety systems such as airbags and seat belts.
Car crash test dummies are an essential tool for evaluating the safety of vehicles. The data collected from these tests is used to make design changes that can improve the safety of vehicles and reduce the risk of injury to occupants in the event of a crash. The use of car crash test dummies has played a significant role in improving the safety of vehicles and will continue to be an important tool in the development of safer vehicles in the future.