ISO 10844 + Effective NVH DAQ

Acoustic test track standards and maximized productivity for NVH data collection

• ISO 10844 overview, challenges, and site management
• Efficient techniques for exterior noise, interior noise, and general NVH data collection, analysis, and management
• Q&A

Component TPA (Blocked Forces) 

Source Characterization & Component TPA in practice – applied on e-components

• Source characterization on an e-component
• Quality assessment and proof for independency of the blocked forces
• Validation in the vehicle
• Importance of the right degree of freedom (DoF) on the interface
• Tips

Essentials for e-NVH and e-Drive Testing

e-drive quantities in correlation with NVH data & considering the effects on e-motors

• Typical analyses of synchronous and asynchronous motors
• Frequency offset determination for PWM frequency response
• Clarke / Park Transformation 
• Determination of electrical power quantities in both the time and order domain, cycle-related power calculation

operationaL Transfer pAth AnalysiS

Analysis of airborne and structure-borne noise path contributions with the OTPA

• OTPA of tire rolling noise and engine noise
• Explanation of the OTPA principle
• Measurement positions and results, useful analysis tools, and Response Modification Analysis (RMA)

RotationAL analysiS Fundamentals

Performing accurate NVH analysis of rotating machinery

• RPM measurement and processing techniques
• Harmonics & Order analysis by Fourier and Digital Resampling
• Signal display in the angular domain, rotational vibration & torsion

Efficient Workflows With PAK 5.11

Analysis and display of NVH measurement data

• Workflow examples
• Interactive analysis of NVH data in both the graphic definition and data viewer, e.g. frequency and order analysis as well as data comparison, data visualization

Signal analysIS: Hanning WINDOW

Advantages & limits of the Hanning Window

• Analysis of non-stationary signals (run-up and overlap)
• Limits of the Hanning window for fast-changing signals
• Detection of transient (pulse-shaped) signal sections in a run-up

Automation of Graphic Output

Efficient NVH analysis

• Possibilities of automatization of analyses on measurement data by PAK
• Graphic Sequence
• Applying analyses for selection of channels or multiple measurements, measurement comparison, and data export

Reporting With PAK Software

Report creation made easy

• Creating a report using an example standard measurement process
• Layout, alias tables, and the conditional format options
• Report template for the validation of a measurement and for compliance proofing

PAK audio Tools For Engineering

Optimized replaying and modifying NVH data with PAK audio tools

• Signal playback, measurement types, filters
• Playback levels: Optimized level, no pre-amplification, Full Range Definition
• Audio Design: frequency filters, order filters, sound design

DatA Management With PAK cloud

Fundamentals & Deployment of PAK cloud for managing data and processes

• Basics of PAK cloud infrastructure and deployment
• Working with standard PAK cloud clients
• Possibilities of individual, customer-specific clients
• Security, data access, user management, REST API

Our experienced Presenters

We are at your disposal for any questions you may have. Please do not hesitate to contact us.

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