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Predictive Maintenance for Smart IndustryMulti-Sensors Solutions Enables
Predictive Maintenance
Innovative Approach for Condition Monitoring
Vibration, Temperature, Humidity, and Ultrasonic Monitoring
Complete Reference Design Reduces Time-to-market
Predictive MaintenanceHow it works
Equipment / infrastructureto be monitored
• Decisions• Actions
Service
Integration with other systems:
ERP
…
Sensing
From Products to Solutions, ST covers the value chain of Predictive Maintenance
• Analytics • Post processing• Machine learning• Security
Cloud
Secure communication
Data collection, Security: authenticationOptional: Processing – Preconditioning / Analytics
Multi-Sensors Solutions
Large bandwidth vibrometers
Smart Industry
Current Approach Data Intensive ($$)
ST enables new approaches A fusion of sensors or Adaptive sensors constellation
Large Storage & Processing
Pre-processed Data & Alarms
Smart & Lighter Cloud IS
Microphone BW (>10kHz)
Accelerometer (<10kHz)
Temperature
Raw Data Collection
Local AI
Innovative approach for Condition Monitoring
Each Use Case Needs a SolutionBuilding Blocks
Motors Equipment Environmental
Wired Wireless
Vibration Acoustic Noise Environmental
Local Processing Edge Processing Cloud Processing
From Products to Solutions: ST covers the value chain of Predictive Maintenance
Sensing
Processing
Security
Connectivity
Accelerometer & Microphone
Mac
hine
con
ditio
n
Time
Conditionsstart to change
VibrationPower
Smoke
Failureminutes
days
months
weeks
UltraSound
Noise
Heat
Acce
lero
met
er
For v
ibra
tion
mea
sure
men
ts
Signal Bandwidth. Frequency Response & Filtering
Noise DensityLower Noise allows to identify earlier defects and wears
Number of axis3 axis allows to monitor all kind of defects/wears (imbalance, misalignment, bearings, etc.)
Power ConsumptionImportant merit figure for battery operated Sensor nodes
Output InterfaceDigital output is the optimal solution for complexity, cost and reliability
Mic
roph
one
For U
ltras
ound
&
Noi
se s
ensi
ng
Operative Bandwidth Microphone working in standard audio bandwidth as well as in the ultrasonic domain
Dynamic RangeHigh AOP (acoustic overload pressure) is required to keep sensing despite of the presence of strong environmental sound emissions
Output InterfaceBoth analog and digital for wide compatibility with processing units
Smart Industry
Distinctive Sensor Parameters for Predictive Maintenance
Symptoms According to Audio Frequency
Standard Audio Bandwidth Ultra-Sonic
Audible noise (CbM, Preventive Maintenance)
Predictive Maintenance
Post processing analysisUltrasonic frequencies to detect
and classify leaks
Distinctive Sensor Parameters for Predictive MaintenanceSmart Industry
Operating RangeWide temperature and humidity ranges to cover wide set of use cases
AccuracyHigh reading accuracy across whole temperature range
Output InterfaceDigital output is the optimal solution for complexity, cost and reliability
Power ConsumptionImportant merit figure for battery operated Sensor nodes
Environmental sensorsPr
essu
re s
enso
r
Signal full scaleThe Industrial market covers a broad scope of applications that range from very low vacuum
Temperature compensationTo guarantee sensor’s accuracy over the whole operating temperature range
Output InterfaceDigital output is the optimal solution for complexity, cost and reliability
Water and harsh environment resistance featureCompatible with large set of environments where water and chemicals are present
Tem
pera
ture
an
d hu
mid
ity
Distinctive Sensor Parameters for Predictive Maintenance
Smart Industry
Environmental sensing use casesCondition-based Monitoring Examples
Environmental sensors play critical roles in industrial applications
Pressure measurements for "air management” systems, whichmonitor the performance
indicators and the different stages of the air compressors connected to the compressed-air supply grid
Largely adopted in HVACsystem control water vapor Level or to help in regulating
parameters such as air temperature and blowing speed.
Measure operating temperatures, It’s useful fordetecting loose or improperly
terminated electrical connections, overloading, defective contacts, phase imbalances and other electrical problems.
Complete Reference PlatformCondition Monitoring & Predictive Maintenance
Top view
M12 industrialconnector
Bottom view
* Stack can be hosted by microcontroller but it is not included in STEVAL package
STEVAL-IDP005V1 – Reference Design
• Vibration, acoustic & environmental monitoring
• ARM® Cortex®-M4 core for signal processing & analysis on the edge
• Signal conditioning algorithms examples included
• Frequency & Time domain analysis: Accelerometer & Speed
• On-board Data EEPROM Storage
• Pressure, Humidity & temperature environmental monitoring
• IO-Link connectivity*