Page 38 - Prosig Catalogue 2005

SOFTWARE PRODUCTS
MULTIPLANE BALANCE & ACOUSTIC ANALYSIS

DATS Multiplane Balancing Software DATS Acoustic Analysis Suite
Training & Support Multi-plane Balancing • Sound Power
• 1/N Octave Filters
• Dual Tacho Support for 4x4 Vehicles
• Zero Imbalance
• Sound Intensity
• Specified Imbalance
• Sound Level Meter
• Split Weight Calculation
• Transmission Loss
analyzes the baseline
• Two Microphone Impedance Tubes
and
vibrations
then the vibrations • Room Acoustics
resulting from adding The 1/N Octave filters can be used with either time signals or
narrow band spectral data.
Condition Monitoring plane in turn. The allows the measurement of sound power using either sound
a trial mass (inertia)
balance
each
at
The Sound Power Analysis scripted measurement procedure
software guides the
intensity probes or microphones according to the international
user
throughout
standards ISO3744, ISO3745 and ISO9614-1.
the entire process.
The Sound Level Meter module provides a number of analyses
These measurements
that mimic the operation of a simple sound level meter.
enable influence coefficients to be calculated. A least squares,
optimized, multi-plane balancing algorithm, using a singular value
decomposition algorithm (SVD), forms the mathematical heart of
analysis procedures for determining the effectiveness of either
the software. An option to add bias is included. The Transmission Loss modules are automated measurement and
panels for room acoustics or pipes for exhaust mufflers.
Once the influence coefficients are known the software predicts The Room Acoustics Reverberation Time T60 and Total Absorption
the masses required to achieve a zero imbalance or some user modules use the noise source switch-off method. The T60
specified imbalance. Test runs at these conditions may be made determination is based on a practical measurement with a decay
giving the actual weights added to compare the predicted and
Software achieved results. The Two-Microphone Impedance Measurement Tube, (B&K
in the room of less than 60dB.
The user interface is designed to automate repetitive testing, taking
Type 4206), is a completely scripted measurement procedure
the user through the necessary steps to perform the baseline
for guiding the user in making an accurate measurement of the
capture and trials capture. Shaft configurations, containing such
details as balance plane name, radius, preferred trial weight and acoustic properties of small material samples, it complies with
ISO10534 and ANSI E1050.
split weight locations, may be set up and saved.
A pre-balance run-up allows identification of the ideal shaft speed Analysis functions included
to perform balance. Displays include first order components for Sound Quality Metrics Leq with selectable time constant
each measurement position with individual and average values. AI Versus Time LN Measure with S time constant
The split weight graphical display shows the required shaft Loudness (Zwicker) (ISO532B) LN Measure with F time constant
LN Measure with selectable time
Loudness by Stevens (ISO532A)
positions.
Hardware Diagrams of standard shaft configurations are provided to enable Nth Octave RMS Versus Time SEL with S time constant
Loudness Versus Time
constant
Speech Articulation Index (ANSI S3.5 1969)
SEL with F time constant
SEL with selectable time constant
Speech Articulation Index (Vehicle Biased)
easy set up of vehicle balancing applications.
Composite Rating Performance Value
Misc
High Frequency Factor
Nth Octave
Features included
Preferred Speech Interference Level
Spectral Balance Nth Octave RMS Output
Nth Octave Filter
Multi-plane balancing Primary Solution Sound Power Third Octave
Dual Tacho support for 4x4 vehicles Refinement by Least Squares Sound Power from Sound Pressure (ISO3744, ISO3745) Microphone Calibration
Split Weight calculation Minimisation Sound Power from Sound Intensity (ISO9614-1) Spectrum Weighting (A,B,C,D)
Specified Imbalance Synchronous Resampling Sound Level Meter Sound Intensity
Difference dB Signals
rms S time constant
Zero Imbalance
Data Quality Checks
System Packages 01-55-731 Multiplane Balancing Software (Requires 01-55- Leq with S time constant Reverberation Times
rms F time constant
A, B or C Weight Time Signal
User Defined Level of Averaging
Bias Factor Selection
rms I time constant (peak)
Impedance Tube Reflection
SVD (Singular Value Decomposition)
Standard Driveline Configurations
rms selectable time constant
Impedance Tube Absorption
Leq with F time constant
Transmission Loss through panels
Leq with I time constant (peak)
Transmission Loss through pipes
DATS Multiplane Balancing Software
DATS Acoustics Analysis Suite
Acoustics analysis suite (Requires 01-55-622
01-55-791
622 DATS.toolbox)
DATS.toolbox)
38 http://prosig.com +1 248 443 2470 (USA) or contact your
+44 (0)1329 239925 (UK) local representative
sales@prosig.com
A CMG Company