DFT Electronics, a new company in the monitoring field

DFT Electronics, a new company in the monitoring field

MISSION

Our MISSION is to take care of your assets, especially the most precious ones

VISION

Our VISION, more ambitious, to make cities
smarter and safer.

THE PROJECT

SISMO is a technology that allows monitoring of the health status of civil structures such as buildings, homes, bridges and factories through a network of sensors and data processing sotware.

We guarantee
peaceful dreams,
thoughtless.

We guarantee
peaceful dreams,
thoughtless.

THE PRODUCT

– Technical informations –

Connected sensors

The equipment needed to monitor your home is made of a series of sensors and a control unit that manages them.
The sensors, cylindrical in shape and compact in size, are to be fixed to the ceiling, at least one per floor. They are
managed by one or more control units, called gateways, which process, send and save data to the control center. In
case of emergency, each sensor activates an acoustic and light signal.

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Both SISMO sensors and gateways are powered supply. A back-up battery and memory card can record continuously for over 24 hours in case of blackout. The sensors communicate to the gateway via Wi-Fi connection, sending data to the server. In case of emergency, data will be sent to the server with a GSM module. Thanks to an annual subscription you can keep your SIM active. If the telephone line is unavailable, the gateway is equipped by a manual backup system to recover the necessary information (via Bluetooth or USB cable). It is possible to add a 7″ touchscreen to the gateway showing you through a digital interface the health status values ​​and graphs of your home.

coming soon

coming soon

From installation onward, sensors and the algorithm will work in real time to ensure all-round monitoring on a 24/7 basis.
Sensors, directly connected to SISMO’s operation control center, will be constantly monitored and will send alarm signals in case of danger. Your qualified technician will manage SISMO’s installation, will be able to access all the data and provide best
possible recommendations.
SISMO automatically verifies compliance with thresholds of most recent regulations and it’s user friendly. In fact, it allows users to monitor their assets through a simplified interface even via remote connection.

SISMO takes care of your home

SISMO takes care of your home

HOW IT WORKS

— Sismo has 4 steps —

01 INSPECTION of a qualified technician & DETERMINATION offixingpoints

Your trusted architect or engineer inspects your building and provide informations such as: year of construction, category of use, building construction system, geographical coordinates of the structure, average floor height, changes over time, photographic survey of any cracks / anomalies, original structural design and the analysis of seismic vulnerability.

                              02 E q u i p m e n t INSTALLATION

                              02 E q u i p m e n t INSTALLATION

Once inspection is completed, the technician can pinpoint the areas where the sensors shall be placed. We recommend installing at least one sensor per floor, preferably in the middle of the floor, directly connected to the supporting structure (no plasterboards or false ceilings).

Sensors are able to communicate with each other and to send data to the server through a gateway.

03 CALIBRA TION and configuration

 

03 CALIBRA TION and configuration

 

The technician performs the calibrationprocedure aligning the reference systemwith the main axes of the structure.

SISMO detects the main dynamic propertiesof the building, in order to define theso-called “zero point”.

Sensors are interconnected andrecognized by the gateway (through aunique identifying code) that will be able toreceive data from several sensors at thesame time. Gateways, through an ADSLnetwork, communicate with our servers inreal time. From this moment SISMO isactive.

 04 real-time MONITORING  

 

 04 real-time MONITORING

SISMO monitors both relevant events(earthquakes, landslides, groundwaterdrops, foundation subsidence, explosions,drilling or piling) and minor vibrations (passage of heavy vehiclesnearby, winds, planes, trains or metros,construction sites, industrial machinery,pneumatic hammers, etc.).

Through a complex algorithm, thesystem is able to signal if the limitsimposed by law for the 3 main bandshave been exceeded:

A COMFORT

A COMFORT

Disorder definition: individual feeling linked to vibrations that causes restlessness, annoyance, anxiety and irritation. If parameters are exceeded, the vibrational curve that generated the peak is recorded and is available to the technician.

SISMO sensors collect data andtransfer them, via the gateway, to theserver where the algorithm is located. The algorithm processes the data andchecks if the limits imposed by themost recent legislation are exceeded.

The sensors work independently. It canhappen that only one area of thebuilding exceeds the comfort thresholds.

If the algorithm detects continuous threshold overruns, it willsend a notification. Parameters differ depending on theintended use (home – office – factory – critical area) and onthe monitoring time (night – day). The system will automaticallyevaluate suitable parameters.

B non-structural DAMAGE

B non-structural DAMAGE

Definition: Residual effect of vibrations that can cause aestheticor functional alteration of the building withoutcompromising the structural stability or safety for theoccupants. Architectural damage occurs in manycases with the formation or increase of thread-likecracks on the surfaces of the walls, on plasteredsurfaces, or in the mortar joints of brick constructions.Tile separation is an example of non-structuraldamage.

Sensors notify in real time if they detect non-structuraldamage. When vibrations become stronger and comfortthresholds exceed, the algorithm automatically modifies thecalculation profile, and estimates the level of non-structuraldamage achieved.

C structural DAMAGE

C structural DAMAGE

Definition: Effect that occurs when cracks are more pronouncedthan in the architectural damage, withdetachments and falling of gypsum or pieces ofplaster up to damages to structural elements (forexample cracks in pillars and beams, opening ofjoints).

In case of earthquakes (or events ofequal danger), the algorithm combinesthe data of all the installed SISMOsensors and processes them in order toevaluate the structural damage index.SISMO will pinpoint the structuraldamage, will verify the health status ofthe structure and will alert theoccupants with sound alarms. Bycalculating the percentage of damage,SISMO can detect if the building isaccessible, unusable or temporarilyunusable.

In the latter case, the data provided bySISMO needs to be integrated by aninspection of a qualified technician. Inreal time, SISMO warns the persons incharge (HSE Manager, owners etc.)and alerts the emergency managementsystem providing a geolocated list ofthe most damaged structures.

THE INTERFACE

The gateway, equipped with agraphical interface, shows inreal time the graphs generatedby the algorithm, givingthe user the possibility tomonitor the health of hisbuilding at any time.Through a smartphone APP, userscan monitor the structural status,even away from home.Furthermore, technicians canaccess all the recorded data of thestructure, in order to provide the best possible recommendations.

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