News, views & analysis blogs by: Bill Perry


Bill Perry :


Bill Perry :
Germany-based Bertrandt Technikum GmbH, has selected Moog to supply a new high-frequency hydraulic simulation table to perform vehicle components testing.

The Moog system is the first hydraulic simulation table to include the company’s newly developed test actuators as well as its six-channel test controller and replication software. Bertrandt will initially use the system for durability testing of automotive prototype parts for its OEM customers and suppliers.

Conventional hydraulic simulation tables, also known as multi-axis shaker tables, typically operate at frequencies of up to 50 Hz. Bertrandt specified that its new system had to be able to run up to 100 Hz and higher.

To meet this requirement, Moog developed a high-performance simulation table using advanced actuator technology. The system is equipped with a six-channel Moog test controller featuring two digital I/O and vibration cards combined with an integrated desktop PC. The Moog replication software is also included for accurate and fast drive-file playback. The system allows the use of the Moog Runner software for enhanced configuration, execution and monitoring of durability testing in the future.

Bertrandt’s main purpose in using the Moog system is to conduct durability and structural testing on endurance, fatigue, and structural capabilities for small to large automotive parts and components for OEMs and automotive suppliers. Bertrandt will also use the system for simulating packaged-component movements during road transport. Moog designed the system to provide a scalable platform for an expanded range of tests in the future.

Jürgen Michels, COO of Bertrandt Technikum commented, “This system from Moog allows us to expand our range of testing and simulation services, while improving test cycle speed, cost and accuracy.”

“Our work with Bertrandt reflects another advance in our automotive test and simulation capabilities,” said Pim van den Dijssel, business manager Europe, Moog Industrial Group.

The Moog simulation table can be either an electric or a hydraulic design. The hexapod configuration used by Moog is the optimum design to achieve test acceleration, attain force or displacement inputs, and reproduce data collected on the test track or proving grounds. The Moog simulation table is based on a six-legged hexapod (or Stewart platform). The company originally developed the hexapod for flight simulators. The hexapod has two equilateral triangular frames set one above the other, offset at 30 degrees. Each apex of the top triangle is connected to the two apexes below it on the lower triangle via Moog actuators.

The system controls position and acceleration through integrated control hardware and software. The simulation table can support heavy loads, while requiring only a minimum of space in the test lab. Moog’s simulation table, test controller and test software enable testing of a wider range of parts in diverse operating environments, while optimizing the speed, quality and costs of testing.

About Bertrandt AG
The Bertrandt Group has been providing development solutions for the international automotive and aviation industries in Europe and the United States for more than 35 years. Customers from the aviation sector are provided with individual and targeted development services through the joint venture “Bertrandt Aeroconseil GmbH.” Through its subsidiary Bertrandt Services, the Group also offers technical and commercial services throughout Germany for industries outside the mobility sectors. A total of nearly 6,000 employees at 31 locations offer extensive know-how, sustainable project solutions and a high level of customer orientation. For more information:

About Moog
Moog Inc. is a worldwide designer, manufacturer, and integrator of precision control components and systems. Moog’s Industrial Group, designs and manufactures high performance motion control solutions combining electric, hydraulic, and hybrid technologies with expert consultative support in a range of applications including plastics, metal forming, power generation, wind energy, test and simulation. We help performance-driven companies design and develop their next-generation machines. Moog’s Industrial Group, with fiscal year 2009 sales of USD 455 million and 40 locations worldwide, is part of Moog Inc. (NYSE:MOG.A and MOG.B) which has sales of USD 1.849 billion. For more information please visit

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