Abstract: A distributed acoustic sensing system. The DAS system may include a distributed acoustic sensing (DAS) station, comprising: a DAS transmitter, arranged to launch an outbound DAS signal through an optical fiber, over at least one span; a DAS receiver, arranged to receive a backscatter Rayleigh signal, based upon the DAS signal; and at least one component, coupled to the DAS transmitter, the DAS receiver, or both, and arranged to increase a sensitivity for sensing of the DAS system.

Abstract: A sensing system may include a distributed acoustic sensing (DAS) station to launch a DAS signal as an outbound DAS signal, as well as a plurality of DAS loopback assemblies, arranged along a plurality of spans. The plurality of DAS loopback assemblies may be arranged to separately process the outbound DAS signal, and return to the DAS station, the outbound DAS signal, as a return DAS signal that comprises a backscattered Rayleigh signal. As such, a given DAS loopback assembly of the plurality of DAS loopback assemblies may include an Erbium-Doped Fiber Amplifier (EDFA) that is arranged to compensate the loss from Rayleigh scattering of the DAS signal, and a filter device having an optical filtering function that is arranged to selectively send back just a sensing wavelength of the DAS signal.

Abstract: A system may include a distributed acoustic sensing (DAS) station, comprising a DAS transmitter to launch an outbound DAS signal in a first direction, over at least one span of an optical communications link. The system may further include a DAS receiver to receive a backscattered Rayleigh signal, based upon the outbound DAS signal, wherein the DAS signal is transmitted at least in part over a D? fiber.

Abstract: The present invention relates to a method and a system of commissioning elevator, and an elevator system. The method includes obtaining at least one operation data of at least one elevator door, comparing the operation data with corresponding criterion operation data, and determining whether a deviation between the operation data and the criterion operation data exceeds a pre-set range, and if so, triggering a control over at least one control end relevant to the operation of the elevator door to make a deviation between the operation data re-obtained and the criterion operation data fall within the pre-set range. The invention will increase the efficiency in elevator commissioning and remove the adverse effects on elevator operation caused by factors such as “Stack Effect”, and thereby ensure good working condition and high security of elevators.

Abstract: Apparatus, systems, and techniques for extending distributed acoustic sensing (DAS) range in undersea optical cables over multiple spans, as well as providing span-specific DAS information, are provided.

Abstract: A cooler system includes a plurality of cooler units; a condensed water flow path, an aqueous medium in the condensed water flow path sequentially flowing through each of the cooler units; a cooling water flow path, an aqueous medium in the cooling water flow path sequentially flowing through each of the cooler units in a flow direction opposite to a flow direction of the aqueous medium in the condensed water flow path; a plurality of current sensors used for detecting working currents of the cooler units; water temperature sensors used for detecting an entering water temperature and a leaving water temperature of the cooling water flow path; at least one virtual temperature sensor arranged between the cooler units and used for acquiring a middle water temperature between the cooler units; and a controller.

Abstract: Embodiments include a system and method for performing analytics based chiller sequencing. Embodiments include a plurality of chillers, a system controller configured to control the plurality of chillers, and one or more sensors in communication with the controller, the one or more sensors configured to generate operational data based on measured operational parameters of the plurality of chillers. Embodiments include the controller including a processor configured to obtain the operational data, calculate scores for each of the plurality of chillers based on the operational data, and rank the plurality of chillers based on the scores. The processor is further configured to sequence the plurality of chillers based at least in part on the ranking, and control operation of the plurality of chillers based on the sequencing.

Abstract: According to one embodiment, a method of operating a heating, ventilation, and air conditioning (HVAC) analytics system is provided. The method comprising: obtaining HVAC data for an HVAC unit in electronic communication with the HVAC analytics system; obtaining an HVAC unit characteristic of the HVAC unit; obtaining weather data for a geographical area where the HVAC unit is located; and determining an HVAC capacity available ratio (CAR) in response to the weather data, the HVAC unit characteristics, and the HVAC data.

Abstract: A self-adaptive smart setback heating, ventilation and air conditioning (HVAC) control system includes an HVAC unit configured to deliver at least one of heated air and cooled air to a target area. A temperature sensor determines a current internal air temperature (IAT) of the target area. An HVAC controller is in signal communication with the HVAC unit and the temperature sensor. The HVAC controller selectively operates in an active mode and a setback mode. The active mode controls the HVAC unit based on a first temperature setpoint value, and the setback mode controls the HVAC unit based on a second temperature setpoint value different from the first temperature setpoint value. The HVAC controller includes an electronic temperature setback unit that is configured change the IAT during the setback mode based on an actively determined upcoming temperature recovery rate.

Abstract: A heating, ventilation, and air conditioning (HVAC) energy management control system includes an HVAC system configured to deliver at least one of heated air and cooled air to a targeted area; and a computing server including an HVAC energy analytics engine in signal communication with the HVAC system. The HVAC energy analytics engine is configured to actively learn historical data of the HVAC system based on at least one of the heated air and the cooled air produced over a time period. The HVAC energy analytics engine determines a predicted energy consumption of the HVAC system based on the historical data, and the HVAC system operates based on the predicted energy consumption.

Abstract: A method, system, and computer readable storage medium for controlling elevator operation. More specifically, the embodiments of the present invention relate to controlling elevator operation by means of media information. In accordance with one or more embodiments of the present invention, there is provided a computer implemented method for controlling elevator operation. The method comprises receiving and storing media information over a network; obtaining an indication of an event that has occurred or is about to occur based on the media information, the indication including date, time, and location information of the event; and determining one or more buildings associated with the event based on the indication. The method generates a command for controlling the operation of one or more elevators in the one or more buildings at least partly based on the indication.

Abstract: The present invention relates to a method and a system of commissioning elevator, and an elevator system. The method includes obtaining at least one operation data of at least one elevator door, comparing the operation data with corresponding criterion operation data, and determining whether a deviation between the operation data and the criterion operation data exceeds a pre-set range, and if so, triggering a control over at least one control end relevant to the operation of the elevator door to make a deviation between the operation data re-obtained and the criterion operation data fall within the pre-set range. The invention will increase the efficiency in elevator commissioning and remove the adverse effects on elevator operation caused by factors such as “Stack Effect”, and thereby ensure good working condition and high security of elevators.

Abstract: Embodiments include a system and method for performing analytics based chiller sequencing. Embodiments include a plurality of chillers, a system controller configured to control the plurality of chillers, and one or more sensors in communication with the controller, the one or more sensors configured to generate operational data based on measured operational parameters of the plurality of chillers. Embodiments include the controller including a processor configured to obtain the operational data, calculate scores for each of the plurality of chillers based on the operational data, and rank the plurality of chillers based on the scores. The processor is further configured to sequence the plurality of chillers based at least in part on the ranking, and control operation of the plurality of chillers based on the sequencing.

Abstract: Provided is a use of miRNA-214 inhibitor in inhibiting regulatory T cells (Treg cells). The microRNA-214 (miRNA-214) can promote Treg cells, and can assist tumors in immune escape. The experiments demonstrates that the inhibition of miRNA-214 can inhibit the growth of Treg cells, thus inhibiting the growth of tumors. Therefore, miRNA-214 can be used for developing an anti-tumour drug or a drug inhibiting immune response hyperactivity.

Abstract: According to one embodiment, a method of operating a heating, ventilation, and air conditioning (HVAC) analytics system is provided. The method comprising: obtaining HVAC data for an HVAC unit in electronic communication with the HVAC analytics system; obtaining an HVAC unit characteristic of the HVAC unit; obtaining weather data for a geographical area where the HVAC unit is located; and determining an HVAC capacity available ratio (CAR) in response to the weather data, the HVAC unit characteristics, and the HVAC data.

Abstract: According to one embodiment, a method of operating a heating, ventilation, and air conditioning (HVAC) analytics system is provided. The method comprising: obtaining HVAC data for an HVAC unit in electronic communication with the HVAC analytics system; obtaining an HVAC unit characteristic of the HVAC unit; determining an HVAC comfort performance index (CPI) in response to the HVAC data and the HVAC unit characteristic; determining an HVAC CPI degradation trend line in response to the HVAC comfort performance index; obtaining weather data for a geographical area where the HVAC system is located, the weather data including a predicted outside air temperature (OAT); and determining a point in time where the predicted OAT is equivalent to the HVAC CPI degradation trend line.

Abstract: A method of operating a heating, ventilation, and air conditioning (HVAC) analytics system is provided. The method comprising: obtaining HVAC data for an HVAC unit; obtaining an HVAC unit characteristic of the HVAC unit; determining performance parameters of the HVAC unit in response to the HVAC data and the HVAC unit characteristic; identifying one or more system models for the HVAC unit in response to the performance parameters; determining one or more HVAC performance indices in response to the one or more system models, HVAC data, and the HVAC unit characteristic; generating an HVAC performance report in response to the one or more performance indices; and transmitting the HVAC performance report to a user device.

Abstract: A cooler system includes a plurality of cooler units; a condensed water flow path, an aqueous medium in the condensed water flow path sequentially flowing through each of the cooler units; a cooling water flow path, an aqueous medium in the cooling water flow path sequentially flowing through each of the cooler units in a flow direction opposite to a flow direction of the aqueous medium in the condensed water flow path; a plurality of current sensors used for detecting working currents of the cooler units; water temperature sensors used for detecting an entering water temperature and a leaving water temperature of the cooling water flow path; at least one virtual temperature sensor arranged between the cooler units and used for acquiring a middle water temperature between the cooler units; and a controller.

Abstract: The present invention provides a photocatalytic concrete material sprayed with titanium dioxide/activated zeolite composite material and preparation method thereof, and the photocatalytic concrete material sprayed with titanium dioxide/activated zeolite composite material comprises following raw materials in parts by weight titanium dioxide 0.1-20 parts, activated zeolite molecular sieve 0.1-20 parts, dispersant 0.1-5 parts, emulsifier 0.05-2 parts, coupling agent 0.05-2 parts, cement 40-90 parts, fine sand 40-90 parts and water. In the present invention, the activated zeolite molecular sieve can load titanium dioxide photocatalytic material as a carrier, and can easily adsorb gaseous pollutant of automobile exhaust with huge specific surface area (280.

Abstract: A heating, ventilation, and air conditioning (HVAC) energy management control system includes an HVAC system configured to deliver at least one of heated air and cooled air to a targeted area; and a computing server including an HVAC energy analytics engine in signal communication with the HVAC system. The HVAC energy analytics engine is configured to actively learn historical data of the HVAC system based on at least one of the heated air and the cooled air produced over a time period. The HVAC energy analytics engine determines a predicted energy consumption of the HVAC system based on the historical data, and the HVAC system operates based on the predicted energy consumption.