Get beyond the standard: PAK Aerospace Testing Solutions

PAK Aerospace Testing Solutions by Müller-BBM VibroAkustik Systeme enhance product development, testing and analysis by continuous monitoring of the entire measurement process without loss of precision. A complete solution manages the increasing demands of sustainability, traceability and efficiency. The technology behind this, PAK live, is your move to compatibility across multiple devices and accessible tools. This is the power of sophisticated openness for your complete measurement data management needs.

The advantages of a scalable system, live data acquisition and seamless workflow integration can drive innovation and growth beyond the traditional testing approaches. On-site interaction on live data with an instantaneous feedback is no longer a dream. PAK live creates the operational test confidence and data safety along the entire measurement and analysis process.

Aerospace Testing Solutions from Müller-BBM VibroAkustik Systeme succeed in various applications during product development, manufacturing, quality assurance and troubleshooting. Our tight partnership with industrial leaders as well as our recognized expertise in acoustics, vibration and structural analysis is fundamental to our technical innovations and establishes us as a strong partner for future-oriented testing solutions and turnkey integration in customers’ workflows around the world.

The large scale – on-demand dynamic data acquisition

The PAK product family is built on modularity that scales with the requirements; not only in the variety of signal conditioning options or number of channels, but most importantly in the way you work. Based on the path breaking concept of PAK live, users benefit from comprehensive flexibility for their individual workflows – whether they are using 2 or 1000+ channels in highly demanding environments.

Users benefit from our PAK MKII G2 acquisition hardware by having one system which can be freely configured for lab and field applications. Superior synchronization capabilities through IEEE 1588 Time Synchronization Protocol, GPS, IRIG or fiber-optic cables increase the range of applications even more. Due to the advanced signal processing capabilities, all channels are acquired phase-synchronously with a 24 bit dynamic resolution and a sampling rate of up to 1 MHz/s. Featuring a high dynamic range with optimized low noise and distortion performance, signal conditioning options comprise of voltage, charge and polarized microphone inputs; IEPE/ICP® powered or Wheatstone bridge-based sensors such as strain gages, piezo-resistive or MEMS sensors; a multitude of different thermocouple types for the acquisition of temperature; and many more. Integrated concepts for test bench connections allow the interaction of various measurement systems in a single workflow: Digital bus (EtherCAT®, FlexRay™, CAN) and IRIG interfaces or local data storage options are available.

PAK MKII G2 hardware seamlessly integrates into existing test environments. A smart device and/or PC supported measurement configurations are smoothly integrated providing a quick, simplified setup. Multiple mainframe setups are easily separated into smaller, portable systems or combined for larger test requirements with 1000+ channels, enabling different system configurations such as various input-output combinations, buffered outputs and a battery backup. The data can be stored in the open ASAM ODS format and post-processed with the powerful, modular and scalable PAK software applications.

With this scope of modularization and expandability, users are ready to measure wherever they are and on whatever they need.

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The big thing – the standalone intelligence in aerospace testing

The most confident path to long-term testing efficiency goes through smart innovation in technology, methods and processes. Measuring in a clear, focused way with an enhanced efficiency, the PAK system features an inherent stability that is based on the PAK MKII G2 acquisition hardware standalone operating capability.

With the configuration and visualization of the measurement performed on an iOS® , Android™ or Windows® device, the data acquisition on the frontend is completely independent. The PAK MKII G2 frontend equipped with PAK live streams the data continuously from power-up until power-down of the system. Flexible triggers enable predictive, event-based recordings and introduce significant benefits to long-term recordings or difficult to access locations requiring time data recording.

PAK live focuses on assisting the users to:

  • Manage the PAK MKII G2 acquisition hardware from the comfort of your iOS®, Android™ or Windows® device
  • Configure the measurements effortlessly
  • Be instantly in touch with the data
  • Setup quickly and monitoring easily anywhere, anytime, for a single or multiple synchronized systems
  • Autonomously perform event-triggered measurements over long periods by the PAK MKII G2 frontend with no user interaction required

Realize how beneficial and easy it is to have a continuous data stream where you can decide on demand to record, view online or to post-process dynamic data of your choice!

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The technological fit – high-speed transient measurements

As structures continue to evolve from simple into highly complex composite materials, the demands on advanced testing methods increase even more. Recognized for unprecedented quality and accuracy, the PAK MKII G2 acquisition hardware extends its capability beyond 204.8 kSa/s sampling rate. To meet the demands of high-speed transient data acquisition, the ALI42 G2 input module provides up to 1 MHz/s sampling rates with full 24 bit resolution, rendering unmatched performance during the recording of highly transient signals.

The PAK MKII G2 hardware allows for the dynamic data acquisition of signals through a wide range of different sensors. Integrated signal conditioning capabilities support voltage, IEPE/ICP® and charge based sensors, fully supporting TEDS IEEE 1451.4; thermocouples, RTDs, LVDTs and strain gauges. Coupled with extensive synchronization possibilities, WiFi and Ethernet communication interfaces and a built-in solid state disk for independent data recording, the PAK MKII G2 hardware becomes an extremely robust and reliable platform for a multitude of applications – especially for very sensitive environments and critical operational tests.

Some applications include:

  • Pyroshock Testing
  • Solar Array Deployment
  • Stage Separation
  • Ballistics
  • Underwater Explosions
  • Ammunition
  • Acoustic Emission
  • Airbag Testing
  • Ignition Testing

For us, ongoing advances in technology are helping change the processes and dynamics of Aerospace Testing Solutions.

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The crossing of boundaries – contextual Structural Dynamics

Combined with the test and analysis tools of the PAK software platform, the PAK MKII G2 acquisition hardware forms a highly integrated system for evaluation of structure-borne and airborne noise and vibration. The PAK 5.x-series software is a well-established and  comprehensive analysis tool with powerful online graphics and a broad set of analysis functions for any acoustic, vibration or structural testing task. Workflows are as quick and efficient with smart features for measuring, analyzing and managing dynamic measurement data.

Included in our analysis portfolio:

  • Acoustic control
  • Structural dynamics
  • Transient capture
  • Shock response analysis (both time-domain and spectral)
  • Rotational analysis
  • Sine data reduction
  • True fractional octave analysis
  • Structural and operational deflection shapes
  • Technical acoustics and
  • Online Monitoring.

Ensuring that the right evaluations and reports are in place will require collaboration across multiple measurement campaigns. All analyses can be correlated; a comprehensive evaluation of all component interactions is possible. All environmental parameters can be taken into account as the analog and digital signals are acquired in conjunction with dedicated bus data such as CAN, FlexRay™ or EtherCAT® as well as the live operational conditions.

To achieve testing objectives and meet emerging demands on efficiency, a contextual approach for structural dynamics investigations will help to focus on driving incremental innovation to a competitive edge.

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Mechanical Shock Design and Verification Handbook

For further information about space engineering, please read the following mechanical shock design and verification handbook. It was published by the European Cooperation for Space Standardization (ECSS).

Please click here, in order to download the handbook.
© 2015 by the European Space Agency for the members of ECSS

Additional pages