Abstract: A data mapping method, system and control method for a HVAC system. The data mapping method comprises: providing identification characteristics of at least one target object in the HVAC system, and obtaining information at least related to the target object, according to the identification characteristics, from a building automation system associated with the HVAC system to map a physical topology of the HVAC system comprising at least the target object; providing information of at least one target data point of the HVAC system, and obtaining data point data including at least the target data point from the obtained information or from the building automation system, according to the information of at least one target data point of the HVAC system; and associating the obtained data point data with the physical topology of the HVAC system to obtain physical link mapping data of the HVAC system.

Abstract: The present disclosure relates to a system and a method for prediction of chiller station performance. The method for prediction of chiller station performance includes: obtaining a temperature ECHWT of chilled water entering a first chiller in a chilled water circuit; obtaining a temperature LCHWT of chilled water leaving the first chiller in the chilled water circuit; obtaining a flow rate F1 of chilled water passing through the first chiller; obtaining a temperature LCWT of cooling water leaving the first chiller in a cooling water circuit; obtaining a power P1 of the first chiller; and training a first chiller performance model associated with variables COP, Q1e, LCHWT and LCWT based on obtained data COP, Q1e, LCHWT and LCWT; and predicting performance of the first chiller based on the first chiller performance model.

Abstract: A method of conditioning an environment includes generating, by a group feedback analysis system, a first comfort limit based on a first plurality of data points corresponding to user feedback of a group of users in an environment conditioned by an environmental conditioning system, and each associated with temperature and humidity environmental criterions. The method further includes generating a second comfort limit based on a second plurality of data points corresponding to user feedback of the group of users, and associated with the temperature and humidity environmental criterions. The method identifies a constrained comfort zone defined by the first comfort limit, the second comfort limit, predefined lower and upper bounds for the temperature environmental criterion, and predefined lower and upper bounds for the humidity environmental criterion. The environmental system is controlled to maintain the temperature and humidity environmental criterions within the constrained comfort zone.

Abstract: A building maintenance system and method. Wherein, the building maintenance method comprises the following steps: S1: obtaining an image within the building; S2: identifying the image, and identifying the location of the image within the building according to the building information model data; S3: obtaining device data and operation parameters at the location; S4: obtaining simulation parameters at the corresponding location in a virtual building; S5: determining display parameters according to the operation parameters and the simulation parameters; S6: generating an superimposed image according to the device data and the display parameters; and S7: superimposing and displaying the superimposed image onto the image. The building maintenance method and system of the present invention has the advantages of simplicity, reliability, and convenient maintenance, etc.

Abstract: An air-conditioning interactive terminal, a controller for an air-conditioning system, an air-conditioning system and an air-conditioning interactive system. The air-conditioning interactive terminal is configured with a social communication media module, wherein a user is registered as a first registered user in the social communication media module; the air-conditioning interactive terminal is configured such that the user realizes interactive communication between the first registered user and a second registered user corresponding to one or more air conditioners based on the social communication media module, wherein the second registered user is correspondingly registered by the air conditioners in the social communication media module. The air-conditioning interactive terminal can be implemented based on an instant on-line chatting tool which has been applied on a large scale.

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: A method of conditioning an environment includes generating, by a group feedback analysis system, a first comfort limit based on a first plurality of data points corresponding to user feedback of a group of users in an environment conditioned by an environmental conditioning system, and each associated with temperature and humidity environmental criterions. The method further includes generating a second comfort limit based on a second plurality of data points corresponding to user feedback of the group of users, and associated with the temperature and humidity environmental criterions. The method identifies a constrained comfort zone defined by the first comfort limit, the second comfort limit, predefined lower and upper bounds for the temperature environmental criterion, and predefined lower and upper bounds for the humidity environmental criterion. The environmental system is controlled to maintain the temperature and humidity environmental criterions within the constrained comfort zone.

Abstract: The present application relates to a commissioning method and a commissioning system. The commissioning method comprises: establishing a commissioning mission and sending it to a controller of a HVAC system, the commissioning mission comprising setting at least one test work condition with respect to an object to be commissioned, instructing the HVAC system and a digital twin system corresponding to the HVAC system to respectively operate with the at least one test work condition by the controller of the HVAC system; comparing physical data generated by the HVAC system and digital data generated by the digital twin system, and based on a comparison result, diagnosing the object to be commissioned. The present application can enable fast commissioning and obtain a reliable result.

Abstract: An air-conditioning interactive terminal, a controller for an air-conditioning system, an air-conditioning system and an air-conditioning interactive system. The air-conditioning interactive terminal is configured with a social communication media module, wherein a user is registered as a first registered user in the social communication media module; the air-conditioning interactive terminal is configured such that the user realizes interactive communication between the first registered user and a second registered user corresponding to one or more air conditioners based on the social communication media module, wherein the second registered user is correspondingly registered by the air conditioners in the social communication media module. The air-conditioning interactive terminal can be implemented based on an instant on-line chatting tool which has been applied on a large scale.

Abstract: A method of conditioning an environment includes generating, by a group feedback analysis system, a first comfort limit based on a first plurality of data points corresponding to user feedback of a group of users in an environment conditioned by an environmental conditioning system to identify the first comfort limit at a first extreme; generating, by the group feedback analysis system, a second comfort limit based on a second plurality of data points corresponding to user feedback of the group of users in the environment conditioned by the environmental conditioning system to identify the second comfort limit at a second extreme, the second extreme being opposite the first extreme; identifying, by the group feedback analysis system, a comfort region defined by the first comfort limit and the second comfort limit; and controlling the environmental conditioning system to maintain at least one environmental criterion within the comfort region.

Abstract: A flow battery includes a cell stack that has electrochemically active cells and manifolds that define common manifold passages in fluid communication with the electrochemically active cells. A supply/storage system is external of the cell stack and includes at least one vessel fluidly connected with respective ones of the common manifold passages. Fluid electrolytes are in the supply/storage system. At least one of the fluid electrolytes is an ionic-conductive fluid. The manifolds extend in a length direction through the cell stack. The common manifold passages include a common manifold passage P that varies in cross-section along the length direction.

Abstract: A flow battery stack includes a plurality of flow battery cells, a manifold and a heat exchanger. Each flow battery cell includes an electrode layer that is wet by an electrolyte solution having a reversible redox couple reactant. The manifold includes a solution passage that exchanges the electrolyte solution with the flow battery cells. The heat exchanger includes a heat exchange fluid passage. The heat exchanger exchanges heat between the electrolyte solution in the solution passage and a heat exchange fluid directed through the heat exchange fluid passage. The flow battery cells, the manifold and the heat exchanger are arranged between first and second ends of the flow battery stack.

Abstract: A flow battery includes a cell stack that has electrochemically active cells and manifolds that define common manifold passages in fluid communication with the electrochemically active cells. A supply/storage system is external of the cell stack and includes at least one vessel fluidly connected with respective ones of the common manifold passages. Fluid electrolytes are in the supply/storage system. At least one of the fluid electrolytes is an ionic-conductive fluid. The manifolds extend in a length direction through the cell stack. The common manifold passages include a common manifold passage P that varies in cross-section along the length direction.

Abstract: A method of conditioning an environment includes generating, by a group feedback analysis system, a first comfort limit based on a first plurality of data points corresponding to user feedback of a group of users in an environment conditioned by an environmental conditioning system to identify the first comfort limit at a first extreme; generating, by the group feedback analysis system, a second comfort limit based on a second plurality of data points corresponding to user feedback of the group of users in the environment conditioned by the environmental conditioning system to identify the second comfort limit at a second extreme, the second extreme being opposite the first extreme; identifying, by the group feedback analysis system, a comfort region defined by the first comfort limit and the second comfort limit; and controlling the environmental conditioning system to maintain at least one environmental criterion within the comfort region.

Abstract: A flow battery stack includes a plurality of flow battery cells, a manifold and a heat exchanger. Each flow battery cell includes an electrode layer that is wet by an electrolyte solution having a reversible redox couple reactant. The manifold includes a solution passage that exchanges the electrolyte solution with the flow battery cells. The heat exchanger includes a heat exchange fluid passage. The heat exchanger exchanges heat between the electrolyte solution in the solution passage and a heat exchange fluid directed through the heat exchange fluid passage. The flow battery cells, the manifold and the heat exchanger are arranged between first and second ends of the flow battery stack.

Abstract: A flow battery stack includes an inlet manifold, an outlet manifold and a plurality of flow battery cells. The inlet and outlet manifolds each have first and second passages. The first and second passages in at least one of the inlet and outlet manifolds are tortuous. Each flow battery cell includes a separator arranged between a first electrode layer and a second electrode layer. The flow battery cells are axially connected between the inlet manifold and the outlet manifold such that a first solution having a first reversible redox couple reactant is directed from the inlet first passage through the flow battery cells, wetting the first electrode layers, to the outlet first passage.