Abstract: A method includes measuring a plurality of temperatures corresponding to a plurality of servers located in a data center, determining a subset of the plurality of servers as high-temperature servers based on the plurality of temperatures, and reassigning tasks from at least a portion of the subset of the plurality of servers to one or more other servers of the plurality of servers.

Abstract: A method of retrieving data using metadata tags including identifying, by a processing circuit from a data structure, a digital representation of a device deployed within a space, tagging, by the processing circuit, a data point associated with the digital representation of the device with a semantic description having a tag schema, receiving, by the processing circuit, a query including a partial string referencing the tag schema, identifying, by the processing circuit, the semantic description from a plurality of semantic descriptions based on the partial string of the query and the tag schema, retrieving, by the processing circuit, one or more tagged data points by querying the data structure using the semantic description, and automatically performing an operation using the one or more tagged data points.

Abstract: A building system including one or more memory devices configured to store instructions that, when executed on one or more processors, cause the one or more processors to determine an average of a minimum half of sorted energy consumption values for a first time period and determine an average of a maximum half of sorted energy consumption values for a second time period. The instructions also cause the processor to determine a ratio of the average of the minimum half of sorted energy consumption values for the first time period to the average of the maximum half of sorted energy consumption values for the second time period, compare the calculated ratio to an adaptively tunable threshold value and activate a system responsive to the calculated ratio exceeding the adaptively tunable threshold value.

Abstract: The present application provides a filter fixing device, comprising: a lock mounting piece, a hold-down piece, a push rod and at least one connecting rod. The lock mounting piece is provided with a lock used for engaging the lock receiving part on the filter fixing frame; the hold-down piece and the lock mounting piece are connected to each other in such a way that they can move relative to each other in a first direction, and the hold-down piece is used to hold down the filter; the push rod is connected to the hold-down piece and can pivotally rotate around an axis; at least one connecting rod is pivotally connected to the push rod and the lock mounting piece; the filter fixing device is configured in such a way that the rotation of the push rod relative to the hold-down piece may cause relative motion of the hold-down piece and the lock mounting piece in the first direction.

Abstract: A system and method for controlling surveillance cameras is enclosed. In the system, a surveillance camera system includes surveillance cameras configured as VoIP server endpoints. The surveillance cameras receive messages from client devices such as mobile user devices and computer workstations functioning as VoIP client endpoints. The client devices establish a voice communications channel with the surveillance cameras for receiving and controlling one or more streams of image data sent by the surveillance camera over the voice communications channel to the client device. In a preferred embodiment, the voice communications channel includes a control session based on Session Information Protocol (SIP) and a data channel that is based on Real time transfer protocol (RTP). The data channel preferably operates in half duplex mode, which limits the potential for collisions on the data channel when the surveillance cameras are transmitting their image data to the client devices.

Abstract: A building system operates to receive building data from one or more building data sources associated with the building, wherein at least a portion of the building data is associated with control of the one or more environmental conditions of the building and generate, based on the building data, one or more data quality indicators for the building data received from the one or more building data sources, the one or more data quality indicators indicating quality levels of the building data. The building system operates to generate user interface data configured to cause a user device to display a user interface providing indications of the one or more data quality indicators.

Abstract: An illustrative embodiment disclosed herein is a circuit for sensing heating, ventilation, air conditioning, and refrigeration (HVACR) equipment. The circuit includes an input port that has an input voltage signal. The circuit includes an analog-to-digital converter (ADC) generating a first digital signal based on receiving a representation of a supply voltage, generating a second digital signal based on receiving the divided input voltage signal, and outputting the first digital signal, the second digital signal, and an output voltage reference. The circuit includes an amplifier coupled to the ADC and amplifying the output voltage reference to generate a supply voltage. The circuit includes a microprocessor coupled to the ADC and configured to calculate a first ratio of the first digital signal and the supply voltage. The microprocessor is configured to determine the input voltage signal by calculating a second ratio of the second digital signal and the first ratio.

Abstract: A building management system (BMS) includes a system library and a computing system coupled to the system library. The system library includes multiple relationships between multiple tags and multiple entities corresponding to units within the BMS. The computing system is configured to identify one or more entities in the system library. The computing system is configured to obtain tags associated with the one or more entities based on at least one relationship of the multiple relationships. The computing system is configured to receive an input regarding the one or more entities, and, responsive to the input, present via a user interface, a first view of tags corresponding to a first entity of the one or more entities and a second view of tags corresponding to at least one of the first entity or a second entity of the one or more entities.

Abstract: A system on a chip for enabling communication between a building management system (BMS) device and a BMS network. The system on a chip includes a device interface, a network interface, and a processing circuit. The device interface is configured to connect the system on a chip to the BMS device via a serial communication link. The network interface configured to connect the system on a chip to the BMS network. The processing circuit is configured to identify and update an attribute of an equipment object associated with the BMS device that corresponds to a command received from the BMS network via the network interface and transmit a message to the BMS device via the device interface using the updated attribute of the equipment object.

Abstract: A user-interactive tool for configuring a building equipment system includes one or more processors and one or more memory devices having instructions stored thereon that, when executed by the one or more processors, cause the one or more processors to perform operations including receiving a first user input including project information, obtaining equipment configuration data for a plurality of building equipment components capable of being included in the building equipment system based on the project information, receiving a second user input defining a configuration of the building equipment system, generating a predicted metric of the building equipment system based on the project information and the configuration of the building equipment system, displaying the predicted metric and a representative metric of a set of historical building equipment installation projects via a graphical user interface, and adjusting the predicted metric of the building equipment system based on the representative metric.

Abstract: A method for controlling production of one or more refined resources by an energy provider includes predicting a demand for the refined resources by one or more consumers of the refined resources as a function of an incentive offered by the energy provider. The method further includes performing an optimization of an objective function subject to a constraint based on the predicted demand for the refined resources to determine an amount of the refined resources for the energy provider to produce and a value of the incentive at multiple times within a time period. The method also includes providing setpoints for equipment of the energy provider that cause the equipment to produce the amount of the refined resources determined by performing the optimization.

Abstract: A multiple-circuit heating and cooling system includes a first refrigeration circuit having a first condenser and a first evaporator and a second refrigeration circuit having a second condenser and a second evaporator. The first condenser and the second condenser are arranged in a first row split configuration, and the second condenser is downstream of the first condenser relative to a first air flow directed across the second condenser and the first condenser. Additionally, the first evaporator and the second evaporator are arranged in a second row split configuration, and the first evaporator is downstream of the second evaporator relative to a second air flow directed across the first evaporator and the second evaporator.

Abstract: Example aspects include a method, an apparatus and a computer-readable medium of operating an access control system, comprising detecting a person at an access control area. The aspects further include determining whether the person is wearing a mask. Additionally, the aspects further include switching, in response to determining that the person is wearing the mask, the access control system into a frictionless mode. Additionally, the aspects further include obtaining, according to the frictionless mode, identification information of the person via touchless interaction between the person and the access control system. Additionally, the aspects further include identifying the person according to the identification information of the person.

Abstract: A computing device for managing a security system is disclosed. The computing device includes one or more processors. In some embodiments, the one or more processors can receive a number of events occurring in one or more of a number of polling loop networks. The events are monitored by a control device. The one or more processors can determine whether an occurrence frequency of the events exceeds a first threshold, where the occurrence frequency is defined as a number of the events divided by a period of time during which the events occurred. The one or more processors can in response to determining that the occurrence frequency exceeds the first threshold, automatically notify a user of the security system via a web application.

Abstract: Aspects of the present disclosure relate to modular camera mounts interoperable with cameras. The modular camera mount may include a bracket comprising a first mounting portion positioned perpendicular to a camera mounting portion. The first mounting portion may facilitate securing the modular camera mount to a first surface, wherein the first surface may comprise a small area. Both the camera mounting portion and the first mounting portion may include a plurality of mounting provisions configured to align with mounting provisions of a cover. The cover may be secured to the bracket via a plurality of fasteners threaded through the mounting provisions. Securing the cover to the bracket may form a chamber therebetween, wherein the chamber may be a conduit for a cable configured to electrically connect the camera to a power source. The cover may be configured to secure the position adjustable camera via an angular adjustable bracket.

Abstract: The present disclosure relates to a silencer module for a silencer bank of an air handling unit. The silencer module includes a support shell having a first inner wall and a second inner wall opposite the first inner wall. The silencer module also includes a first baffle coupled to the first inner wall, where the first baffle includes a first perforated baffle sheet, and a second baffle coupled to the second inner wall, where the second baffle includes a second perforated baffle sheet. The silencer module further includes an air flow gap that extends between the first perforated baffle sheet and the second perforated baffle sheet, where the air flow gap has a width that is substantially constant along a dimension of the first perforated baffle sheet and the second perforated baffle sheet that extends generally parallel to a direction of air flow through the air flow gap.

Abstract: The present disclosure relates to a method for determining an efficiency curve of a chiller that includes operating a chiller over a range of operating capacities, measuring a temperature of water entering the chiller at an initial capacity, measuring a temperature of water exiting the chiller at the initial capacity, measuring a power consumption of the chiller at the initial capacity, calculating an initial efficiency of the chiller at the initial capacity, measuring a plurality of temperatures of water entering the chiller at a plurality of capacities, measuring a plurality of temperatures of water exiting the chiller at each of the plurality of capacities, measuring a plurality of power consumptions at each of the plurality of capacities, calculating a plurality of efficiencies at each of the plurality of capacities, and generating an efficiency curve for the chiller with the initial efficiency and the plurality of efficiencies.

Abstract: A vapor compression system includes a first conduit fluidly coupling a liquid collection portion of a condenser and an evaporator, where the first conduit is configured to direct a first flow of refrigerant from the condenser to a first inlet of the evaporator and a second conduit fluidly coupling the liquid collection portion of the condenser and the evaporator, where the second conduit is configured to direct a second flow of refrigerant from the condenser to a second inlet of the evaporator via gravitational force, and where the first inlet is disposed above the second inlet relative to a vertical dimension of the evaporator.

Abstract: A method includes defining a plurality of monitored spaces. For each of at least a subset of the plurality of monitored spaces, the method includes associating a set of laboratory equipment with the monitored space, calculating an equipment utilization score for the monitored space based on resource consumption data for the set of laboratory equipment, calculating an occupancy utilization score for the monitored space based on occupant tracking data for the monitored space, and calculating a combined utilization score based on the equipment utilization score and the occupancy utilization score. The method also includes providing a graphical user interface comprising the combined utilization scores for the subset of the plurality of monitored spaces.

Abstract: A computer implemented method for controlling the environmental conditions of a building in accordance with feedback from the occupants of the building is provided. The method includes detecting, by one or more processors, an occupant within a building space, and transmitting, by the one or more processors, a notification message to an occupant device associated with the occupant. The notification message includes a request to provide occupant feedback. The method includes receiving, by the one or more processors, an occupant feedback message from the occupant device. The occupant feedback message includes one or more quality ratings associated with one or more building conditions. The method includes assigning, by the one or more processors, a weighting factor to the occupant feedback message and performing an action to modify at least one of the building conditions responsive to the weighted occupant feedback message.