A plant control system is equipped with a plant, an actuator that controls a state of the plant based on a command value, and an arithmetic device that calculates the command value through the use of state information indicating the state of the plant and that outputs the command value to the actuator. The arithmetic device adopts, as the command value, a value of u obtained by deleting a time differential of y from equations: dy/dt=f(y, u, d, t) and K.sub.4×dy/dt=K.sub.3×y.sub.ref−K.sub.1×y+K.sub.2×(time integral of (y.sub.ref−y))+K.sub.5.

A digital-twin modeling method for an automated testing pipeline for circuit breakers involves acquiring a three-dimensional digitalized model of each mechanical installation in the testing pipeline; modeling hierarchy according to an actual production process and motion states; performing mesh optimization on the resulting model; designing movements of each said mechanical installation, so as to obtain mechanical movement tracks of the models; combining actual movement logic and cooperative relationship among the movements to edit the mechanical movement tracks of the models; and introducing motion control, so as to conduct motion simulation in a digital-twin scene, thereby implementing virtual movements synchronous with movements of the actual testing pipeline. The method realizes centralized management of production data of the pipeline and realizes remote visualized operation, management and maintenance of the testing pipeline, thereby providing a basic platform for digitalized production of miniature circuit breakers.

A worksite control system includes a communication system configured to receive weather data corresponding to a worksite, a weather model generation logic configured to generate a weather model based on the weather data, a worksite action identification logic configured to identify a worksite action based on the weather model, and a control signal generator configured to generate a machine control signal that controls a machine associated with the worksite based on the identified worksite action.

A method for improving a chemical production process, wherein a plurality of derivative chemical products are produced through a derivative chemical production process based on at least some derivative process parameters at a plurality of respective chemical production facilities, in which the chemical production facilities each comprise a separate respective facility intranet, wherein at least some respective derivative process parameters are measured from the derivative chemical production process by a respective production sensor computer system within each facility intranet, wherein a process mode for simulating the derivative chemical production process is recorded in a process model management computer system outside the facility intranets. The invention also relates to a corresponding system for a chemical production process.

A method for improving a chemical production process, wherein a derivative chemical product is produced through a derivative chemical production process based on at least some derivative process parameters at a chemical production facility, which chemical production facility comprises a facility intranet, wherein at least some derivative process parameters are measured from the derivative chemical production process by a production sensor computer system within the facility intranet and wherein a process model for simulating the derivative chemical production process is recorded in a process model management computer system outside the facility intranet. The invention also relates to a corresponding system for a chemical production process.

A method and an apparatus for dynamically determining a yaw control precision. The method comprises: during a predetermined time period, collecting a plurality of wind speed data and a plurality of wind direction data, and processing the collected plurality of wind speed data and plurality of wind direction data; on the basis of the processed wind speed data and wind direction data, establishing a model of the corresponding relationship between wind speed, wind direction angle change, yaw control precision, yaw fatigue, and power loss; and, on the basis of the current wind speed data, wind direction data, predetermined yaw fatigue range, and predetermined power loss range, by means of the corresponding relationship model, determining the yaw control precision corresponding to the current wind speed and current wind direction angle change.

A method and controller for creating a digital twin of a pump. The method includes receiving, by a controller, a specification curve corresponding to a centrifugal pump. The method includes building and executing, by the controller, a first model of the centrifugal pump, based on the specification curve. The method includes receiving sensor data corresponding to and during the operation of the pump. The method includes updating the first model according to the sensor data to produce an updated model, and storing the updated model as a digital twin of the centrifugal pump.

A method and controller for creating a digital twin of a pump. The method includes receiving, by a controller, a specification curve corresponding to a centrifugal pump. The method includes building and executing, by the controller, a first model of the centrifugal pump, based on the specification curve. The method includes receiving sensor data corresponding to and during the operation of the pump. The method includes updating the first model according to the sensor data to produce an updated model, and storing the updated model as a digital twin of the centrifugal pump.

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.

The present disclosure provides a fire test system and method for tunnel structure based on real-time fusion of numerical and physical spaces. The fire test system includes: a physical test unit, to perform a holographic fire test on the typical segment components of tunnel structure system in a physical space, to obtain holographic characteristic parameter data of the typical components; a numerical analysis unit, to establish a full-scale numerical model of the tunnel-stratum composite system in a numerical space, to obtain multi-field coupling boundary data of the typical components; and a fusion control unit, to control and adjust a multi-field coupling boundary of the physical space according to the multi-field coupling boundary data, and to update and adjust an input parameter of the numerical space according to the holographic characteristic parameter data.