Abstract: A variable refrigerant flow system for a building includes a plurality of indoor units, a first outdoor unit, an outdoor meter, and a variable refrigerant flow management system. The plurality of indoor units configured to generate activation requests. The first outdoor unit is configured to receive the activation requests and, in response to the activation requests, provide a refrigerant to the plurality of indoor units. The outdoor meter is configured to provide an outdoor unit electricity consumption measurement. The variable refrigerant flow management system is configured to receive the outdoor unit electricity consumption measurement and activation data indicating the activation requests and apportion an outdoor share of the outdoor electricity consumption measurement to each of the plurality of indoor units based on the activation data.

Abstract: A building management system includes one or more processing circuits. The one or more processing circuits are configured to receive, from a physical building device of a building, environmental inputs and environmental outputs of the physical building device; generate a building device digital twin for the physical building device based on the received environmental inputs and the received environmental outputs; generate a predicted future performance of the physical building device based on the building device digital twin; and generate a recommendation based on the predicted future performance of the physical building device, the recommendation indicating one or more changes to implement on the physical building device. The building device digital twin is a model for predicting the behavior of the physical building device ore changes to implement on the physical building device.

Abstract: A building management system is communicably connected to an energy blockchain network to reduce energy costs of a building. The system includes an energy load balancer to distribute energy from a plurality of energy suppliers to power a load in the building, a processor, and memory storing instructions that causes the processor to: monitor energy pricing data from each of the energy suppliers; calculate a balanced load payload corresponding to an energy demand forecast for the building according to the energy pricing data from the energy suppliers; generate a smart contract corresponding to the balanced load payload in blocks of the energy blockchain network to procure energy from corresponding ones of the energy suppliers; and generate load balancing instructions for the energy load balancer based on the smart contract. The energy load balancer switches between the corresponding ones of the energy suppliers according to the load balancing instructions.

Abstract: A sensor for measuring current flow includes a power generation circuit, a current measurement circuit and a microcontroller. The power generation circuit includes a current transformer that harvests energy from a load applied to the conductor and uses the harvested energy to power the current measurement circuit and microcontroller. The current measurement circuit includes a Hall effect sensor that outputs a voltage signal in response to detecting a magnetic flux generated by the flow of current through the conductor. The microcontroller calculates a current measurement based on the voltage signal received from the current measurement system. The Hall effect sensor is able to generate the voltage signal used to measure current flow at the same time that the current transformer harvests energy from the current flowing through the conductor. A fault detection system is able to alert a user to problems with the current transformer and/or the Hall effect sensor.

Abstract: A portable gateway device for use with a Building Management System (BMS) enables voice command control of BMS devices. The portable gateway device comprises a Wi-Fi module, a serial communications interface, and a data conversion module. The Wi-Fi module is configured to enable communication with a user device via Wi-Fi. The portable gateway device is configured to receive a voice command spoken by a user of the user device. The serial communications interface is configured to enable communication with a bus connected to a BMS device. The data conversion module is configured to translate the voice command received from the user device into a control action associated with the BMS device. The portable gateway device is configured to provide the control action to the BMS device via the serial communications interface. The control action affects a state or condition of the BMS device.

Abstract: A method for zone-based control of devices within a building management system (BMS) includes receiving a request to control a zone in a building. The method includes identifying a plurality of available zones in the building. The method includes receiving a selection to control a first zone from the plurality of available zones. In response to the selection, the method includes generating a password to restrict control of at least one device in the first zone. The method includes transmitting the password to the user device. The method includes receiving, via the input interface of the zone device different from the user device, the password. The method includes authorizing, responsive to receipt of the password via the input interface of the zone device, control of the at least one device in the first zone.

Abstract: A method for zone-based control of devices within a building management system (BMS) includes receiving a request to control a zone in a building. The method includes identifying a plurality of available zones in the building. The method includes receiving a selection to control a first zone from the plurality of available zones. In response to the selection, the method includes generating a password to restrict control of at least one device in the first zone. The method includes transmitting the password to the user device. The method includes receiving, via the input interface of the zone device different from the user device, the password. The method includes authorizing, responsive to receipt of the password via the input interface of the zone device, control of the at least one device in the first zone.

Abstract: A building management enterprise system includes a display device, one or more processors, and one or more computer-readable storage media communicably coupled to the one or more processors and having instructions stored thereon that cause the one or more processors to: identify one or more factors for evaluating economic effectiveness of an enterprise having a plurality of physical nodes; receive data associated with each of the factors from a plurality of data sources for each of the nodes, the plurality of data sources including at least one sensor located in each of the nodes; determine a benchmark value for each of the factors; compare the data received from the plurality of data sources with the benchmark value for each of the factors; calculate an effectiveness score for each of the factors based on the compare; and control the display device to display performance indicators associated with the effectiveness scores.

Abstract: A system includes one or more memory devices having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to perform operations including obtaining a first building information model (BIM) file associated with a building, the building comprising one or more building assets, obtaining a second BIM file associated with the building, linking data from the first BIM file to data from the second BIM file, and concurrently presenting, via a single user interface, a representation of at least a portion of the first BIM file and the second BIM file based on the linked data.

Abstract: A method includes receiving a first building information model (BIM) file and a second BIM file, the first and second BIM files both associated with a building comprising one or more assets, identifying a first set of BIM objects within the first BIM and a second set of BIM objects within the second BIM, the first set of BIM objects and the second set of BIM object each comprising one or more BIM objects associated with the one or more assets, identifying one or more relationships between objects of the first set of BIM objects and objects of the second set of BIM objects, applying a semantic description to the first set of BIM objects, the second set of BIM objects, and the one or more relationships, and generating a data structure comprising the first set of BIM objects, the second set of BIM objects, and the relationships.

Abstract: A system includes one or more memory devices having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to perform operations including receiving building information model (BIM) data associated with a building comprising one or more building assets, identifying one or more BIM objects within the BIM, identifying one or more object relationships between the one or more BIM object, applying a semantic description to each of the one or more BIM objects and the one or more object relationships, and generating a hierarchy structure for the building based on the one of more BIM objects and the one or more object relationships. The one or more BIM objects are associated with the one or more building assets and the hierarchy structure includes the semantic description of each of the one or more BIM objects and the one or more object relationships.

Abstract: The present disclosure is directed to a method for managing building networks. The method includes communicating with a number of building automation and control network (BACnet) nodes and non-BACnet nodes coupled to one another over a network. The method includes obtaining data regarding a respective status of each of the number of BACnet nodes and non-BACnet nodes over the network. The method includes aggregating the data to generate one or more communication statuses of the network. The method includes displaying a first graphical user interface comprising a number of interactive sections. Each of the number of interactive sections is configured to display at least one of the one or more communication status of the network. The method includes in response to a user selection of a particular communication status, launching a second graphical user interface to display information associated with the selected communication status.

Abstract: One implementation of the present disclosure is a system including a data network, a source device, and a target device. The data network is configured to wirelessly communicate data, the source device is configured to wirelessly communicate data, and the target device is configured to wirelessly communicate data. The target device and the source device utilize a first medium access control (MAC) protocol during a first time interval of a duty cycle and a second MAC protocol during a second time interval of the duty cycle.

Abstract: A building management system is communicably connected to an energy blockchain network to reduce energy costs of a building. The system includes an energy load balancer to distribute energy from a plurality of energy suppliers to power a load in the building, a processor, and memory storing instructions that causes the processor to: monitor energy pricing data from each of the energy suppliers; calculate a balanced load payload corresponding to an energy demand forecast for the building according to the energy pricing data from the energy suppliers; generate a smart contract corresponding to the balanced load payload in blocks of the energy blockchain network to procure energy from corresponding ones of the energy suppliers; and generate load balancing instructions for the energy load balancer based on the smart contract. The energy load balancer switches between the corresponding ones of the energy suppliers according to the load balancing instructions.

Abstract: A system includes a communications interface communicably coupled to a computing environment and a client device corresponding to a first tenant of a plurality of tenants of the computing environment. The computing environment includes a plurality of resources, at least one resource being accessible by the client device, and a processing circuit including a processor and memory, the memory storing instructions that, when executed by the processor, cause the processor to perform operations including generating a multi-organization token for the at least one resource based on credentials corresponding to the first tenant, receiving a request to access the at least one resource in the computing environment, the request including the first tenant-specific token, determining whether the first tenant-specific token is valid, and providing access to the at least one resource in the computing environment responsive to a determination that the first tenant-specific token is valid.

Abstract: A sensor for measuring current flow includes a power generation circuit, a current measurement circuit and a microcontroller. The power generation circuit includes a current transformer that harvests energy from a load applied to the conductor and uses the harvested energy to power the current measurement circuit and microcontroller. The current measurement circuit includes a Hall effect sensor that outputs a voltage signal in response to detecting a magnetic flux generated by the flow of current through the conductor. The microcontroller calculates a current measurement based on the voltage signal received from the current measurement system. The Hall effect sensor is able to generate the voltage signal used to measure current flow at the same time that the current transformer harvests energy from the current flowing through the conductor. A fault detection system is able to alert a user to problems with the current transformer and/or the Hall effect sensor.

Abstract: A building management system includes one or more processing circuits. The one or more processing circuits are configured to receive, from a physical building device of a building, environmental inputs and environmental outputs of the physical building device; generate a building device digital twin for the physical building device based on the received environmental inputs and the received environmental outputs; generate a predicted future performance of the physical building device based on the building device digital twin; and generate a recommendation based on the predicted future performance of the physical building device, the recommendation indicating one or more changes to implement on the physical building device. The building device digital twin is a model for predicting the behavior of the physical building device ore changes to implement on the physical building device.

Abstract: A method for managing a retail environment includes identifying a plurality of shopping carts traveling through an aisle of a retail environment; retrieving information of respective times of the plurality of shopping carts entering the aisle, and respective times of the plurality of shopping carts leaving the aisle; associating the plurality of shopping carts with respective transaction identifications; generating a database comprising the transaction identifications and respective items, the items of each transaction identification comprising at least a dwell time class, respective purchase states of one or more products deployed along the aisle, and respective query states of the one or more product; calculating a respective product conversion rate of each of the transaction identifications based on the database; and providing an aisle product conversion rate for managing product placements in the retail environment based on the respective product conversion rate of each of the transaction identifications.

Abstract: A system for monitoring and controlling devices within a building management system (BMS). The system includes a user device configured to receive and convert a vocal input to voice data, and a BMS processor in communication with the user device and an operating device within the BMS. The BMS processor converts voice data to intent and entity parameters, and determines if the intent parameter is a visual intent or an audio intent. If the intent parameter is a visual intent, the BMS processor determines a category corresponding to the entity parameter, and outputs a web page corresponding to the category. Additionally, if the intent parameter is an audio intent, the BMS processor determines a category corresponding to the entity parameter, and retrieves and outputs operating device data corresponding to the category. Further, the user device outputs audio data corresponding to the operating device data and displays the web page.

Abstract: A variable refrigerant flow system for a building includes a plurality of indoor units, a first outdoor unit, an outdoor meter, and a variable refrigerant flow management system. The plurality of indoor units configured to generate activation requests. The first outdoor unit is configured to receive the activation requests and, in response to the activation requests, provide a refrigerant to the plurality of indoor units. The outdoor meter is configured to provide an outdoor unit electricity consumption measurement. The variable refrigerant flow management system is configured to receive the outdoor unit electricity consumption measurement and activation data indicating the activation requests and apportion an outdoor share of the outdoor electricity consumption measurement to each of the plurality of indoor units based on the activation data.