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Overview

ERGO (EneRGy Optimiser) is a system that monitors energy consumption through a system of wired or wireless sensors. Using ERGO allows configuration of automated energy saving policies. Network PCs are equipped with sensors to measure various parameters (temperature, humidity, brightness, input of electrical current).

Measurements taken by the sensors are transmitted via wireless network to a gateway hub and made accessible through remote internet/intranet monitoring centres. Network PCs with actuators regulate the operation of remotely-operated devices and switches via a special dashboard.

The use of wireless technology for data transmission enables a reduction in cable installation costs and reduces their impact.

ERGO supports the innovative communication system ZigBee, which accommodates a communication "mesh" with low data flow and energy expenditure. With a layer of network PCs with gateway functionality, the system allows integration with networks of sensors and wired/wireless actuators compatible with other industry standards (KNX, DMX, Modbus, OpenWebNet, etc.) or integration with any proprietary standards

ERGO allows you to store and view real-time data on energy output parameter by parameter, consistent with the needs of specific buildings (commercial, industrial, data centre, etc.), with the possibility of:

  • monitoring the consumption of energy for each device connected to the network;
  • defining times and optimum energy consumption for each device (the threshold defined on the basis of specific environmental conditions also measured in real time);
  • identifying anomalies in consumption, due for example to malfunctions.

Features

The management software is installed on the workstation, through which operators can view the structure of parameters measured by the sensor or issue commands to the actuators.
The application also allows the operator to configure system parameters, such as the sampling interval of sensors, and therefore quickly identify malfunctions on the network.

Elements contributing to the calculation of cost and cost optimisation are:

  • EnergyConsumptionCost | This category is used to summarise the costs associated with each rate with reference to the fixed-rate component and the shared or variable energy component.
  • CostCalculator |This is the category that actually processes the calculation of consumption. The logic consists of considering the various rates uploaded to the database and then calculating the cost function of each of them.
  • EnergyConsumptionByHourAndDay: allows disaggregation of energy consumption for various periods throughout the day.

Technical data

ErgO has the following functionality:

  • configuration of monitoring, based on existing models;
  • calculation of estimated energy consumption, calculated on temporal sequences and usage sequences of switches connected to devices (light bulbs, air conditioners, etc.);
  • calculation of actual consumption, analysed on an hourly, daily or monthly basis;
  • diagnosis for extraordinary maintenance activities carried out on the basis of comparison between real and nominal consumption;
  • identification of the actual energy consumption through amperometric sensors for each operating unit or group of operating units;
  • diagnosis for extraordinary maintenance activities carried out on the basis of comparison between real and nominal consumption;
  • presentation of results in table or graph format;
  • identification of more ergonomic combinations for the environment being monitored;
  • identification of units or operational groups with abnormal energy consumption

ERGO is organised in a framework with plug-ins that can extend and modify the behaviour of the entire system. In addition, the system components are designed and built to be independent of individual data acquisition units (ammeters, sensor nodes, etc.)

The functional component closest to networks is the WSNConnector, an abstract component that virtualises a network or a single device and is used for processing the inputted data. For each type of device/network there is a component (also called a driver) that extends the WSNConnector and implements all methods that enable management of individual devices connected. Environmental, energy and status data are communicated asynchronously by individual drivers to system components responsible for analysing and archiving them.

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