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Seat Tests

Seat Tests – Enabling Safety and Comfort to be Measured

…Safety and Comfort

The seats influence the comfort and perceived safety like almost no other vehicle element. A good seat holds a passenger perfectly when driving fast and is comfortable on a long drive. The seat can be adjusted easily to suit the passenger by integrated controls. At the same time, the shape of the seat protects the passenger from possible injury on collision. To guarantee these demanding requirements, a range of tests with predetermined rules are necessary. These include:

  • control mechanisms functionality
  • seat comfort
  • shape (particularly for passenger safety)
  • longevity and durability of the seat to the elements

The test basis provided by the Battenberg measurement robot with high bearing load and robotic hand with a connectible 3 axle power and movement sensor. Depending upon the test, special tools and/or dummies can be adapted to fit the requirements and measure further characteristics. A further option is for many of the tests to be carried out under extreme climatic conditions in a climate chamber.

…Safety Feature Headrest

The patented Battenberg Measurement Robotics test for back set (head rest) measurements, that comply to compulsory US Regulation FMVSS 202a, measures the distance between the back of the head and the headrest with a test dummy. It has been proven that a small distance between the two on vehicle collision significantly reduces the risk of whip lash.

... Seat Comfort and Durability

The definition of seat hardness, i.e. how hard the seat is in chosen test positions (raster measurements) is an important criteria for seat comfort. Marked positions on the seat surface are measured and visualised to see how dispersion energy and injection paths behave.

Measurement robotics uses a new type of visual test to autonomously find and position the points to measure on the seat surface. The user no longer has to manually programme in the points. Seat adjustment functionality tests are carried out by the robot with complex movements and adaptable measurements. During the getting in/out of the vehicle test, the durability of the seat covering over a period of time is measured. Changes in seat shape during the test are counterbalanced by the adaptable movements and measurements of the robot.