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Applications in the Space Industry

Launch Simulation

  • Space vehicles experience intense vibrations during launch caused by propulsion systems, aerodynamic forces, and structural interactions. Shaker testing replicates these conditions to ensure components remain operational and structurally intact

Qualification Testing

  • Before being deployed, all space-bound systems must undergo rigorous vibration tests to meet qualification standards (for example, NASA GSFC-STD-7000, ECSS-E-ST-10-03C). This confirms hardware reliability in harsh environments

Flight Acceptance Testing (FAT)

  • As part of the final quality checks, individual components and fully integrated systems undergo vibration tests to verify that they meet the necessary performance criteria before deployment

Design Validation

  • Shakers are used to validate analytical models and simulations, ensuring the spacecraft's structural and functional design aligns with predicted behaviour under dynamic loads

 

LDS by HBK has a lot of experience in space applications. Please contact us with questions or queries.

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Standards and Guidelines

Space-related shaker tests must adhere to stringent industry and governmental standards, including:

NASA GSFC-STD-7000

  • Defines testing requirements for spacecraft, payloads, and ground systems

MIL-STD-810H

  • Specifies vibration and shock testing standards for military-grade components

ECSS-E-ST-10-03C

  • European standard for testing spacecraft structures
RAL Space employees working on the James Webb Space Telescope with a new vibration test system: HBK's LDS range of shakers.

Challenges in Space Testing

High Precision Requirements

  • Space components must operate flawlessly, and even minor testing inaccuracies can lead to mission-critical failures

Complex Test Articles

  • Large, asymmetrical spacecraft and satellite assemblies require careful handling and specialised fixture design to ensure accurate testing

Cost and Time Constraints

  • Space projects often operate under tight budgets and timelines, necessitating efficient and reliable testing

Environmental Simulation

  • Vibration testing is often combined with thermal vacuum or acoustic testing to replicate the full range of space conditions
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Examples of Space Projects Using Shaker Testing

CubeSats and SmallSats

  • Vibration testing ensures that these miniaturised satellites can withstand the harsh conditions of launch

Space Telescopes

  • Testing instruments such as mirrors and optics ensures stability and accuracy during operation in space

Rovers and Landers

  • Systems undergo vibration tests to verify they can survive during launch and landing

ISS Payloads

  • Experiments and hardware destined for the International Space Station (ISS) are tested to ensure compatibility with vibration and microgravity requirements

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