What is STRESS? Stress theories and theorists Measuring stress Stress and disease.
Steve Scheeren Director of Sales, StressWave Systems sscheeren ...€¦ · Stress Wave...
Transcript of Steve Scheeren Director of Sales, StressWave Systems sscheeren ...€¦ · Stress Wave...
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Steve ScheerenDirector of Sales, StressWave Systems+1 954 253 [email protected]
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2011 – CWFC Subsidiary Company RationalizationSwantech becomes StressWave Systems Business Segment
Plant Performance Division
StressWave Systems Plant Optimization Real Time SystemsStress Wave Energy
Monitoring Instrumentation
Equipment Reliability Improvement Solutions
Plant Process ControlAdvanced PredictivePattern Recognition
Software
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CalWind Resources
Renewable & Fossil Utility Customers
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Valve Leak Detection Projects
TENNESSEE VALLEY AUTHORITY
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Stress Waves are acoustic energy impulses that radiate through solid, liquid and gas in all directions.
Relative motion produces friction.
Friction generates stress waves.
Stress Wave Visualization – Virginia Tech
What Are Stress Waves?
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Causes of STRESS WAVE ENERGYRelative Motion
FRICTION
Contact PressureContact Surface AreaRoughness -SmoothnessRelative Surface SpeedsLubricant ConditionOperating Load Operating Speed
SHOCK & IMPULSE
Impact VelocityDamage/Imperfection Size
DepthArea
Gas or Fluid FLOW
TurbulenceCavitation
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PREDICTIVE PATTERN RECOGNITION
PdPActual Sensor Values
Prediction Algorithm
(SSA)
Expected Value for Each Sensor
Actual vs. Expected
Early Warning (System Level)
Alarm (Asset Level)
Specific ComponentREAL-TIME DATA
LoadVoltagesCurrents
TemperaturesOil Analysis
Performance resultsCalculated values
Stress Wave Energy
Analyze (Sensor Level)
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Predictive Maintenance Monitoring Technologies
TIME
FUN
CTI
ON
AL
HEA
LTH
GOOD
FAILED
Point of Damage
Initiation, when Functional
Failure Starts to Occur
PREDICTIVE MAINTENANCE REGION
Lubricant Particulate Monitoring
Traditional Vibration Monitoring
Temperature Monitoring
STRESS WAVE ENERGY
John Moubray, Reliability Centered Maintenance II1991
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Anatomy of UNReliabilityFailure is a Process, Not an Event
FUN
CTI
ON
AL
HEA
LTH
GOOD
FAILED
No DamageNo Degradation
Damage Causing Conditions In Play
TIMEFAILURE
ACTUAL DAMAGE STARTS
PREDICTIVE MAINTENANCEREGION
PROACTIVE RELIABILITY IMPROVEMENT
OPPORTUNITY REGION
Cost to Correct Condition
Cost Consequencesof Failure in Service
$$$$$
€€€ Cost to Repair
€
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Scientech Technology AppliedFU
NC
TIO
NA
L H
EALT
H
GOOD
FAILED
No DamageNo Degradation
Damage Causing Conditions In Play
TIMEFAILURE
ACTUAL DAMAGE STARTS
Cost to Correct Condition
Cost Consequencesof Failure in Service
$$$$$
$$$ Cost to Repair
$
TIME
STRESS WAVE ENERGY LEVEL
NORMAL
HIGH
ACTUAL VALUEEXPECTED VALUE
PREDICTIVEPATTERN
RECOGNITION
TIME
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Complete Mechanical Process Solution
Prediction Algorithm
Expected Value for
Each Sensor
Anomaly Detection
Fault Prediction
& Diagnostics
Mechanical Diagnostics
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0
2000
4000
6000
8000
10000
12000
14000
16000
18000
0 20 40 60 80 100 120
Str
ess
Wav
e E
ner
gy
Elapsed Time (hours)
Oil debris detected Vibrationalarmsounds
SWE Detects, Locates & Identifies Fault as Inner RaceDefect
Faulted Bearing SWE 2 x Unfaulted
Hard Failure
Faulted Bearing SWGood Bearing SWE
STRESS WAVE ENERGYThe Leading Indicator
Stre
ss W
ave
Ene
rgy
Lube Oil Temporarily Secured to
Accelerate Test
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Valve Leakage
Time [frame length]
Ove
rall
Stre
ss W
ave
Ener
gy L
evel
Time Time
Ove
rall
Stre
ss W
ave
Ener
gy L
evel
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Complete Valve Process Solution
Prediction Algorithm
Expected Value for
Each Sensor
Anomaly Detection
Fault Prediction
& Diagnostics
Mechanical Diagnostics
Time [frame length]
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Example Data
SWEaveraged over
10 minutes
Measured Leakage
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Pilot Test – Pilot Sensor
NoLeakage~1600
SWEaveraged over
10 minutes
Measured Leakage
ChangingTest Conditions
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Stress Wave Energy Sensor & Mounts
Certified Intrinsically Safe for the Following Hazardous Locations:Atex Ii 1g Ex Ia Iic T4Zones 0, 1, 2Class I, Division 1, Groups A, B, C & DTemperature Code T4Process Temperature -50°C To 120°CTemperature Ambient 85°C
Environmental CharacteristicsTemperature °C -50 To +120Shock Limit G Pk 5000Humidity Hermetically SealedProtection Meets Or Exceeds Ip67
Certified To Comply With The Following Entity Parameters:Ui = Vmax = 30vIi = Imax = 100 MaCi = 10.2nfLi = O Uh
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SWANguard+
CE Approved
Operating Temperature: -13 to 149F (-25 to + 65 C)Humidity: 20 – 90%, non-condensing
Industrial, weatherized 16 gauge steel enclosureANSI/ASA 61 powder coat grey finishSuitable for: NEMA 4, 12, 13, or IP66 environments.
IS Barriers may be included, Internally or Externally
100 – 240 VAC, 50/60Hz
RJ-45 Ethernet, Optional Media Converters may be included
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… etc. …Site Network
ModBus/TCP
Stress Wave Energy into Process Control Only
SWANguard+™
Stress Wave Energy Sensors
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… etc. …
Advanced Predictive Pattern Recognition System
SWANguard+™
Stress Wave Energy and Advanced Pattern Recognition
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… etc. … SWANguard+™
Stress Wave Energy with Mechanical Diagnostics
Condition Monitoring Software
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Globally Deployed, Centrally Monitored
SWANguard+
SWANguard+
SWANguard+
SWANguard+
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Steve ScheerenDirector of Sales | StressWave Systems business segment
+1 954 253 8588
Questions, Comments, Concerns, . . . . . ???