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Crash, Electric Vehicle, Airbag, Tire, Engine, 4-post, Door slam, Thermal, Chassis, Suspension Testing


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Structural battery pack

The ability to easily determine the relationship between different components is one of the ARAMIS/ Pontos' easiest and best features.

Battery Tray position being tracked in six degrees of freedom

Sled Test

During crash tests with dummies or airbags, non-contact measurements are needed to avoid distorted measuring results and measure data quickly. Thus, optical 3D metrology would be an ideal tool rather than conventional measuring systems like strain gauges. GOM outlines the benefits of point-based and full-field measuring 3D cameras that help improve displacement analysis and passive safety.

Dummy crash test using digital image correlation to capture a displacement measurement

Side Impact

The optical sensors of the ARAMIS 3D Camera provide data of part and component geometries as well as of three-dimensional displacements and deformations. Static and dynamic deformations are determined based on individual points as well as on entire surfaces. With this measurement data, the safety and function of parts can be evaluated, and simulation and design processes can be optimized. The most interesting aspect for test engineers is how parts and components react during crash and impact tests – this is the only way to guarantee the safety of occupants and pedestrians. Therefore, a precise analysis of the dynamic behavior of individual parts and components is necessary. For this, point-based as well as full-field measurement techniques are provided. The camera is applied in crash and impact tests, wind tunnel tests, chassis and engine tests, vibration and oscillation analysis, and indoors, bonnet & closures testing.

Side of car after crash test showing the digital image correlation data

Airbag testing

Strains in airbag housings and windshields full-field information relating to dynamic deformations is vital for components that are of relevance to safety. In consequence, full-field measuring systems are frequently used in crash and impact tests and component testing, for instance, on airbags and on tire test rigs. Airbag housing and airbag inflation characteristics are analyzed with high-speed cameras. The full-field measuring data is then used to calculate surface strain and planar displacements for all axes. Crash tests are another area in which full-field measuring systems are deployed, often for components such as windshields.

Airbag test with the ARAMIS Optical Strain System

Engine Motion

The study focuses on understanding the displacements of the tube assembly throughout a specified load cycle. As specified by the customer, the locations of interest were quantified in X, Y, Z, and 6DoF (6 Degrees of Freedom) motion in 3D space.

The ability to easily determine the relationship between different components is one of ARAMIS/Pontos’ easiest and best features. ARAMIS/Pontos can easily reference any region on the part and measure any and all displacements relative to a specified body. Six degrees of freedom measurements work similarly where a component is isolated relative to another, while the directional displacement and angular change of the rigid body in 3D space are measured.

showing the engine in a car

Windshield testing

Since the materials used for modern car windows consist of several material layers, numerical simulations are often inaccurate for determining their behavior under load. The full-field measuring data recorded by the ARAMIS 3D Camera can then be used to draw reliable conclusions on crack propagation in a windshield that otherwise stays invisible.

A strain measurement being made during automotive windshield testing using ARAMIS digital image correlation

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