Abstract: A method and an electronic device for power allocation of multi-parallel power electronic transformers, the method including: determining a quantity of conversion stages of the power electronic transformers; obtaining a load ratio-efficiency relationship between the two ports of each conversion stage in turn, performing a curve fitting to obtain a load ratio-efficiency curve of each conversion stage of the power electronic transformers; calculating a load ratio-loss relationship of each conversion stage, based on the load ratio-efficiency curve of each conversion stage; obtaining a multi-parallel minimum-operation-loss power allocation curve of each conversion stage; performing a piecewise curve fitting of the minimum-operation-loss power allocation curve to obtain a multi-parallel optimum power allocation mathematical model of each stage; and determining an optimum power allocation to each port of the multi-parallel power electronic transformers, based on the multi-parallel optimum power allocation mathemati

Abstract: The present disclosure relates to a recloser control that provides autosynchronization of a microgrid to an area electric power system (EPS). For example, a recloser control may include an output connector that is communicatively coupled to a recloser at a point of common coupling (PCC) between the area EPS and the microgrid. The recloser control may include a processor that acquires a first set of measurements indicating electrical characteristics of the area EPS and acquires a second set of measurements indicating electrical characteristics of the microgrid. The recloser control may send synchronization signals to a microgrid controller to synchronize the microgrid controller based on the first set of measurements and the second set of measurements.

Abstract: A dual-interface coupler includes a utilities unit, a number of utility cables configured to provide a number of utilities to the utilities unit, a first coupling unit associated with the utilities unit, and a second coupling unit associated with the utilities unit. The first coupling unit is configured to mechanically couple the utilities unit to a first corresponding coupling unit and comprises a utility interface. The number of utilities are configured to flow from the utilities unit through the utilities interface. The second coupling unit is configured to mechanically couple the second coupling unit to a second corresponding coupling unit.

Abstract: A method of forming a part using additive manufacturing may include receiving, at a computer numeric controlled (CNC) machine, a computer aided design (CAD) model of the part. The method may further include dividing the CAD model into plurality of sections. The method may further include slicing each of the plurality of sections into a plurality of layers. Each section may include a distinct set of print parameters. The method may further include depositing a flowable material onto a worktable according the set of print parameters for each section of the of the plurality of sections to manufacture the part.

Abstract: The present disclosure discloses a distributed energy system, an energy intelligent terminal, and a control method thereof. The energy intelligent terminal determined as the master node controls each energy intelligent terminal in the distributed energy system to set calculation for operation mode in an enabled state when target power changes or a new duty cycle is started at the end of current duty cycle, so as to make each energy intelligent terminal determine an operation mode for the next duty cycle form a corresponding set of alternative operation modes. The operation mode of the distributed energy system can be regulated in real time. The regulating method is simple and improves the efficient and stability of the distributed energy system. Moreover, the distributed energy system according to the embodiments of the present disclosure has ad hoc network capability with the characteristics of fast deployment and plug and play terminals.

Abstract: Embodiments of the disclosure provide for hierarchically distributed voltage regulation and power flow optimization in a power distribution network. According to one embodiment, a regional coordinator system may determine power flow for an autonomous grid (AG) representing a portion of the distribution network based on a set of voltage parameters from nodes in the AG. The set of voltage parameters my include a current voltage magnitude. The regional coordinator system may provide, to a central controller system of the distribution network, one or more power flow parameters based on the determined power flow for the AG.

Abstract: Power systems are disclosed. The power system may include at least one computing device in communication with a control circuit including a plurality of electrical loops. The computing device(s) may be configured to test each of the plurality of electrical loops of the control circuit by performing processes including configuring a first electrical loop in a first electrical setting by adjusting an operational characteristic of one or more electrical switch(s) of the first electrical loop. The processes may also include determining an actual electrical status of the first electrical loop in the first electrical setting based on whether a relay of a return line in the first electrical loop detects a supplied voltage. Additionally, the computing device(s) may detect a fault in the first electrical loop in response to the determined actual electrical status of the first electrical loop differing from an expected electrical status of the first electrical loop.

Abstract: An agricultural method includes providing a positive air pressure chamber to prevent outside contaminants from entering the chamber; growing crops in a plurality of cells in the chamber, each cell having multi-grow benches or levels, each cell further having connectors to vertical hoists for vertical movements in the chamber; maintaining pre-set temperature, humidity, carbon dioxide, watering and lighting levels to achieve predetermined plant growth; using motorized transport rails to deliver benches for operations including seeding, harvesting, grow media recovery, and bench wash; dispensing seeds in the cell with a mechanical seeder coupled to the transport rails; growing the crops with computer controlled nutrients, light and air level; and harvesting the crops and delivering the harvested crop at a selected outlet of the chamber.

Abstract: Disclosed is a method for controlling a command input device. The method includes: sensing contact between a home appliance and the command input device; based on sensing the contact between the home appliance and the command input device, determining the home appliance as a target home appliance to be controlled by the command input device; and based on the determination of the home appliance as the target home appliance to be controlled by the command input device, activating a remote controller provided by the command input device and configured to control the target home appliance.

Abstract: A method for operating a temperature control system is disclosed. The method includes monitoring an interior and exterior temperature of a structure, defining a first time range and a second time range, associating one or more operating parameters of the temperature control system with the first time range, associating one or more operating parameters of the temperature control system with the second time range, monitoring operational time and operational load of the cooling system for the first time range, predicting a space temperature and an outdoor air temperature for a subsequent time period, and controlling a ventilation subsystem during the second time range based upon the monitored operational time and operational load of the cooling subsystem for the first time range, the predicted space temperature, the predicted outdoor air temperature, and the one or more operating parameters of the cooling subsystem associated with the second time range.

Abstract: A distributed energy system, an energy intelligent terminal, and a control method thereof are disclosed. It determines an error between the sum of initial random external input power that can be assumed by each of all the energy intelligent terminals and target power, updates the alternative operation mode for each energy intelligent terminal in an iterative manner when the error satisfies an iteration start condition until an iteration exit condition being satisfied, and determines the alternative operation mode for each energy intelligent terminal in the final iteration period as the operation mode for next duty cycle so as to regulate operation mode of the distributed energy system in real time according to the target power and energy consumption power of load to which each energy intelligent terminal corresponds. The distributed energy system has ad hoc network capability with the characteristics of fast deployment and plug and play terminals.

Abstract: Methods and apparatus are disclosed for providing a hierarchical framework for integrating distributed energy resources into power distribution systems. In one example of the disclosed technology, a method implemented with an aggregation server includes receiving a respective utility function associated with each of at least two of a plurality of distributed energy resources representing an amount of energy produced or consumed by the respective associated distributed energy resource as a function of energy price, producing an aggregated utility function associated with the plurality of distributed energy resources based on the received utility functions, transmitting the produced aggregated utility function to a coordinator, receiving a clearing value from the coordinator, and transmitting the received clearing value to each of the plurality of distributed energy resources.

Abstract: Methods and apparatus for a distributed processing quality of service algorithm for system performance optimization under thermal constraints are disclosed. An example method includes transmitting, at a first time, a first kernel assignment to a system on chip, the first kernel assignment including an indication of a plurality of kernels assigned to a first sub-system of the system on chip, determining, at the first time, a temperature associated with hardware of the system on chip, when the temperature is above a threshold temperature, generating a second kernel assignment including an indication of a first subset of the plurality of kernels assigned to the first sub-system and an indication of a second subset of the plurality of kernels assigned to a second sub-system of the system on chip, and transmitting, at a second time later than the first time, the second kernel assignment to the system on chip.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for using a neural network to predict locations of feeders in an electrical power grid. One of the methods includes training a generative adversarial network comprising a generator and a discriminator; and generating, by the generator, from input images, output images with feeder metadata that represents predicted locations of feeder assets, including receiving by the generator a first input image and generating by the generator a corresponding first output image with first feeder data that identifies one or more feeder assets and their respective locations, wherein the one or more feeder assets had not been identified in any input to the generator.

Abstract: In one embodiment, a modeling process adds unique numbers for field welds or flange bolt-up connections to a virtual construction model of an infrastructure construction project. Based on the virtual construction model and a fabrication data file that describes a portion of the infrastructure construction project, a QC drawing generation process generates a QC drawing for the portion of the infrastructure construction project that includes balloons linked to locations of field welds or flange bolt-up connections, each balloon including the unique number of a corresponding field weld or flange bolt-up connection. A copy of the QC drawing is provided to a field inspection worker. Subsequently, a marked-up copy of the QC drawing is received back that includes field inspection results associated with the unique number of each field weld or flange bolt-up connection. The marked-up copy may be maintained in a document control system.

Abstract: An optimized control method for a primary frequency regulation based on art exergy storage correction of a thermodynamic system of a coal-fired unit is provided. Through measuring and recording temperatures and pressures of working fluids and metal heating surfaces of the coal-fired unit thermodynamic system in real-time, an exergy storage amount of the thermodynamic system is obtained. During a transient process, according to an exergy storage variation before and after acting of each regulation scheme, a maximum power output of each scheme is obtained. Thereafter, through comparing the maximum power output with a power regulation quantity required by a power grid, an optimal primary frequency regulation control scheme is selected, so as to maintain a fast and stable grid frequency. The present invention reduces a selection blindness of the primary frequency regulation schemes, so that an operation flexibility of the coal-fired power unit during the transient processes is greatly improved.

Abstract: A heating, ventilation, or air conditioning system (HVAC) design and operational tool includes one or more processors and memory storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations including obtaining a dynamic temperature model and a dynamic infectious quanta model for one or more building zones, determining an infection probability, and performing a plurality of simulations for a plurality of different equipment configurations using the dynamic temperature model, the dynamic infectious quanta model, and the infection probability to generate results. The operations include generating, using the results of the plurality of simulations, at least one of design including one or more recommended design parameters data or operational data including one or more recommended operational parameters for the HVAC system and initiating an automated action using at least one of the design data or the operational data.

Abstract: A method includes calculating a processing tool offset for a processing tool based on process control parameters, wherein the processing tool offset is a first portion of a process offset time attributable to a processing tool. The method further includes calculating a product offset based on the process control parameters, wherein the product tool offset is a second portion of the process offset time attributable to a product. The method further includes determining whether the product offset is stable based on a difference between a processing time for different products being within a pre-determined tolerance and a number of processed wafers exceeding a threshold amount. The method further includes calculating an offset time for processing the product using the processing tool based on the calculated processing tool offset, without considering the product offset in response to a determination that the product offset is stable.

Abstract: A method coordinates an exchange of power between a plurality of technical small units on the one hand and a transmission network on the other hand. A central control device forms a general schedule from individual schedules of all available small units and controls the exchange of power of the small units with the transmission network according to the general schedule, wherein a delta schedule is calculated by the control device from a balancing of the general schedule and a predetermined call-off plan of a network operator or an electricity exchange. A central memory connected to the transmission network is controlled according to the delta schedule, such that the central memory exchanges an electrical compensation power with the transmission network, such that the technical small units and the central memory together carry out the call-off plan.

Abstract: A heating, ventilation, or air conditioning system (HVAC) design and operational tool includes one or more processors and memory storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations including obtaining a dynamic temperature model and a dynamic infectious quanta model for one or more building zones, determining an infection probability, and performing a plurality of simulations for a plurality of different equipment configurations using the dynamic temperature model, the dynamic infectious quanta model, and the infection probability to generate results. The operations include generating, using the results of the plurality of simulations, at least one of design including one or more recommended design parameters data or operational data including one or more recommended operational parameters for the HVAC system and initiating an automated action using at least one of the design data or the operational data.