Abstract: A thermal comfort-based air conditioning method according to an embodiment of the present disclosure includes, in a 5G network environment, estimation of a thermal comfort of a human body based on a thermal image by using an artificial neural network (ANN) that performs deep learning, and includes air conditioning control based on thermal comfort information. According to embodiments of the present disclosure, it is possible to prevent discomfort caused by heat or cold due to excessive or insufficient air conditioning control.

Abstract: A method for controlling a cutting tool in a CNC machine and a device using the method receives contours of workpieces generated by a first measuring machine, inputs the first contour parameters into a calculation model to output first compensation values of the cutting tool, the calculation model being a time sequences model established according to contour sets of the workpieces, and the contour sets include at least one historical contour of the workpieces. The device further determines whether the first compensation values of the cutting tool are greater than, equal to or smaller than a preset value, and sends the first compensation values of the cutting tool to a machine.

Abstract: An equipment regulation method is disclosed. The equipment regulation method includes: collecting first environmental data of current environment in a space; determining an environment scene state of the current environment in the space according to the first environmental data; and controlling one or more equipment in the space according to the environment scene state of the space. An equipment regulation device is further provided.

Abstract: Systems, methods, and apparatus are provided for monitoring and improving air quality in single- and multi-zone indoor spaces. The system for monitoring and improving air quality includes a built structure that includes an indoor space with environmentally-controllable zones, an environmental control system, sensor arrays positioned within the environmentally-controllable zones, and a control circuit configured to monitor air and remediate air within the indoor space. Multiple zones in the indoor space may be bundled together in multiple remediation bundled-areas for remediation by separate air handling systems and/or processes. Additionally, multiple zones may be delineated within the indoor space for sensor installation processes.

Abstract: An HVAC system includes a heating element, a discharge air temperature sensor, and a return air temperature sensor. A controller of the HVAC system determines that the HVAC system has been operating in the heating mode for at least a predefined amount of time. The controller receives measurements of the discharge air temperature and the return air temperature. A temperature rise value is determined using the discharge air temperature and return air temperature. If the temperature rise value is less than a predefined minimum threshold value, the controller determines that a first fault of the HVAC system is detected and provides a corresponding alert. If the temperature rise value is greater than a predefined maximum threshold value, the controller determines that a second fault of the HVAC system is detected and provides a corresponding alert.

Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes secondary control circuitry configured to communicatively couple to primary control circuitry of the HVAC system that is configured to operate the HVAC system in a variable operating mode. The secondary control circuitry is configured to cause operation of the HVAC system in a calibration mode to determine a calibrated target temperature and transmit the calibrated target temperature to the primary control circuitry to enable operation of the HVAC system in the variable operating mode via the primary control circuitry based on the calibrated target temperature.

Abstract: The present disclosure relates to a control method and a control device of an air conditioning system, and an air conditioning system, and relates to the technical field of air conditioners: the method includes: determining whether piping length compensation is required; if the piping length compensation is required, acquiring one or more metric parameters; and determining a compensation value according to the one or more metric parameters, and adjusting an operating state of the air conditioning system according to the compensation value.

Abstract: An air conditioner is disclosed. The air conditioner includes a communicator, a memory including at least one instruction, and a processor configured to be connected to the communicator and the memory and control the air conditioner. The processor, by executing the at least one instruction, is configured to obtain information regarding a pet via the communicator, obtain an event for entering a pet mode, and based on the air conditioner entering the pet mode according to the event, control the air conditioner according to a first set value of the air conditioner corresponding to the pet based on the obtained information.

Abstract: There are provided methods and systems for making or repairing a specified part. For example, there is provided a method for creating an optimized manufacturing process to make or repair the specified part. The method includes receiving data from a plurality of sources, the data including as-designed, as-manufactured, as-simulated, and as-tested data relative to one or more parts similar to the specified part. The method includes updating, in real time, a surrogate model corresponding with a physics-based model of the specified part, wherein the surrogate model forms a digital twin of the specified part. The method includes further updating the surrogate model with a model of manufactured variance associated with at least one of inspection and in-operation data of a similar part. The method includes executing, based on the digital twin, the optimized manufacturing process to either repair or make the specified part.

Abstract: A heating, ventilation and air-conditioner (HVAC) remote controller for providing instructions for operation of an HVAC system, including a processor configured to control operation of the HVAC remote controller and to generate instructions for the operation of the HVAC system; a pixelated display configured to consume less power when the pixelated display is in a static state than when it is not in the static state; a local input device configured to accept data from an operator; a light configured to illuminate the pixelated display; an isolated power source configured to provide operational power to at least the processor, the pixelated display, and the light; wherein the controller is configured to keep the light turned off except when the processor is actively performing an operation to control the HVAC system.

Abstract: Rolling stock (2) composed of metal is rolled in rolling stands (3a to 3f) of a roll train (1) under the control of a control device. The control device, on the basis of a variable (?Q) (which is characteristic of the change in the cross section with which the rolling stock (2) is supposed to run out of a rolling stand (3e) of the roll train (1)), first determines all provisional manipulated variables (Sb to Se) for the rolling stand (3e) and rolling stands (3b to 3d) located upstream of the rolling stand (3e), and uses said provisional manipulated variables to determine final manipulated variables (Sb? to Se?), which influence the cross section with which the rolling stock (2) runs out of the respective rolling stand (3b to 3e). The control device determines the provisional manipulated variables (Sb to Sd) for the upstream rolling stands (3b to 3d) by frequency filtering.

Abstract: A building HVAC control system is provided, including at least one wireless mesh network. The wireless mesh network includes a plurality of wireless mesh nodes, the wireless mesh nodes include: at least one sensing node, configured to communicate with sensors installed in a building and obtain measured environment data collected by the sensors; at least one control node, configured to communicate with HVAC equipment, and send control commands to the HVAC equipment; at least one router node, configured to transmit data between the wireless mesh nodes, and transmit data between the wireless mesh nodes and the router. The wireless mesh nodes can perform device-to-device communications by transmitting and receiving wireless signals through the mesh without passing through the server, thereby enabling efficient, multi-node control loops that add no additional computational load to the server while increasing the safety of data transmission and the overall reliability of the HVAC control system.

Abstract: A control system for a HVAC system for a structure and including a blower that flows air over an indoor heat exchanger. The control system may include a first input device, a first sensor, and a processor in electronic communication with the first input device, the first sensor, and the blower of the HVAC system. The first input device may be operable to accept a zoning mode selection. The first sensor may be sensor operable to measure a first temperature at a first location within the structure. The processor may be programmed to determine a cooling or heating demand on the HVAC system based on an input temperature and the first measured temperature. The processor may be further programmed to adjust an air flow rate produced by the blower based on the demand on the HVAC system and the zoning mode selection.

Abstract: An indoor air quality control method using an intelligent air cleaner is disclosed. An indoor air quality control method using an intelligent air cleaner according to an embodiment of the present invention classifies dust concentration data received from the air cleaner according to predetermined criteria and performs dust concentration pattern analysis. Particularly, dust concentration patterns for respective time periods are analyzed to control the air cleaning intensity of the air cleaner in advance of a predicted time, thereby facilitating efficient indoor air quality management. The intelligent air cleaner and the indoor air quality control method using the same of the present invention can be associated with artificial intelligence modules, devices related with the 5G service, and the like.

Abstract: The value for equipment to be replaced can be maximized by determining a threshold cutoff value for a failure prediction indicator and a window size for obtaining the threshold cutoff value for a piece of oil or gas drilling or recovery equipment; applying the threshold cutoff value and the window size to an equipment failure prediction model; and deriving a recall value and an average hour-loss value from the equipment failure prediction model. Predictive maintenance for the piece of oil or gas drilling or recovery equipment may be performed based on the recall value and the average hour-loss value to perform predictive maintenance for a piece of equipment in an oil or gas recovery operation.

Abstract: A system for generating power includes an environmental engine operating on one or more computing devices that determines a wind flowing over a blade of a wind turbine, wherein the wind flowing over the blade of the wind turbine varies based on environmental conditions and operating parameters of the wind turbine. The system also includes an artificial intelligence (AI) ensemble engine operating on the one or more computing devices that generates a plurality of different models for the wind turbine. Each model characterizes a relationship between at least two of a rotor speed, a blade pitch, the wind flowing over the blade, a wind speed and a turbulence intensity for the wind turbine. The AI ensemble engine selects a model with a highest efficiency metric, and simulates execution of the selected model to determine recommended operating parameters.

Abstract: A server is provided. The server includes a communicator and a processor configured to receive driving information of a plurality air conditioning devices through the communicator, identify an opening and closing cycle of a valve included in a pipe connected to each indoor unit of the plurality of air conditioning devices to control flow of a refrigerant, based on the driving information, group each indoor unit of the plurality of air conditioning devices into a plurality of groups based on the opening and closing cycle of the valve, based on a power consumed by the plurality of the air conditioning devices reaching a reference power amount, identify at least one group among the plurality of groups based on information about a control priority, and transmit a signal for driving control to at least one indoor unit included in the at least one group through the communicator.

Abstract: A server and a controlling method of a server are provided. The server includes a communication interface, a memory configured to store priorities of each of a plurality of spaces, and a processor configured to control a plurality of air conditioners arranged in the plurality of spaces, and the processor may, based on a total power usage of the plurality of air conditioners exceeding a first threshold value, control the plurality of air conditioners to operate in a power peak control mode to reduce the total power usage, and based on the total power usage being less than a second threshold value while operating in the power peak control mode, control the plurality of air conditioners to sequentially switch to a general mode according to the priority.

Abstract: Internal control devices (41A to 41D) included respectively in air conditioners (10A to 10D) in an air conditioning system (1) are communicably connected one by one correspondingly to external control devices (42A to 42D). Each of the external control devices (42A to 42D) is configured to execute command generating operation of generating an operation command to a corresponding one of the air conditioners (10A to 10D). The external control devices (42A to 42D) constitute an external control system (50). In the external control system (50), one of the external control devices (42A) functions as a master control device configured to execute the command generating operation whereas remaining ones of the external control devices (42A to 42D) other than the external control device (42A) functioning as the master control device function as sub control devices configured not to execute the command generating operation.

Abstract: A computer numerically controlled machine may include a movable head configured to deliver electromagnetic energy to a part of a working area in which the movable head may be commanded to cause delivery of the electromagnetic energy. The interior space may be defined by a housing and may include an openable barrier that attenuates transmission of light between the interior space and an exterior of the computer numerically controlled machine when the openable barrier is in a closed position. The computer numerically controlled machine may include an interlock that prevents emission of the electromagnetic energy when detecting that the openable barrier is not in the closed position. The commanding may result in the computer numerically controlled machine executing operations of a motion plan for causing movement of the movable head to deliver the electromagnetic energy to effect a change in a material at least partially contained within the interior space.