359 results about "Unit system" patented technology

Systems and methods for protecting and fortifying machine learning engines, artificial intelligence (AI) engines, large language models, deep learning engines, reinforcement learning engines, and AI-based agentic units. An Offline Protection Unit analyzes characteristics of a Protected Engine, and performs offline fortification of the Protected Engine against attacks; by changing operational properties or operational parameters of the Protected Engine to reduce its vulnerability to attacks. An Online Protection Unit performs analysis of at least one of: (i) inputs that are intended to be inputs of the Protected Engine, (ii) outputs that are generated by the Protected Engine; and based on the analysis, dynamically performs online fortification of the Protected Engine against attacks; by dynamically changing operational properties or operational parameters of the Protected Engine to reduce its vulnerability to attacks.

The invention discloses an energy-saving control method and system for a water chilling unit, and relates to the technical field of energy-saving control. During operation of the system, a data set is synchronously collected from a water chilling unit system through a multi-channel asynchronous sampling mechanism, time sequence compression and redundancy removal are carried out, an embedded perturbation calculation mechanism is used for calculating and generating a non-dominant control core coefficient, and the non-dominant control core coefficient is used for controlling the energy-saving control of the water chilling unit; a three-dimensional coefficient space is converted and output through an entropy state change structure and is used for constructing a state balance atlas, comprehensively calculating a control state index SEEI, evaluating the current energy state offset degree of a system, determining whether intervention is carried out or not, carrying out rule search and nonlinear modeling based on the control state index SEEI value, generating an adjustment matrix, and carrying out state balance analysis. And starting a data reconstruction micro-strategy of a short-time historical window, receiving an adjustment matrix, converting the adjustment matrix into a device-level instruction, executing an action through an edge controller, feeding back a response error epsilon (t) in real time, and predicting a potential performance degradation trend based on long-time system operation data.

The invention discloses a double-channel hydrogen production system optimization control method for a multi-power-supply scene, and the method comprises the steps: constructing a double-channel hydrogen production system, and obtaining corresponding operation data; decomposing and reconstructing based on the operation data to obtain the initial input power of the electrolytic cell; formulating a start-stop rule of the electrolytic cell based on the initial input power; correcting the initial input power based on a start-stop rule to obtain actual hydrogen production power; an electrolytic cell mathematical model is constructed, and the unit hydrogen production cost and the energy conversion efficiency are obtained based on the actual hydrogen production power; establishing a target function based on the unit hydrogen production cost and the energy conversion efficiency; and optimizing the target function based on a multi-target particle swarm algorithm to obtain an optimal filtering reconstruction order and an electrolytic cell retention ratio, and completing power distribution and optimal capacity configuration of the double-channel hydrogen production system. Power division and capacity configuration of the alkaline electrolytic bath and the PEM electrolytic bath are achieved, the hydrogen production cost of the wind-solar coupled system is effectively reduced, and the energy conversion efficiency of the electrolytic bath is improved.

The standardized IFC entity data processing method comprises the following steps that 1, an original BIM model is obtained and preprocessed, and an IFC model data set is obtained; 2, aligning the geometric expression precision and the measurement unit, and performing sensitive information desensitization processing on the IFC model; 3, splitting the IFC model to obtain a single building component entity; step 4, performing standardization processing on the geometric expression information of the single building component entity to obtain standardized geometric expression information; step 5, format conversion and deduplication processing; step 6, generating a multi-view rendering strategy and visual data to obtain a multi-format data set which can be used for further analysis; according to the method, through format unification and geometric accuracy alignment of the multi-source BIM model, the problem that errors occur during combination or comparison of the IFC model due to the fact that different software uses different unit systems in the prior art is effectively solved.

A head unit system for controlling an object includes a head unit device that include shear thickening fluid (STF) and a chamber configured to contain the STF. The chamber further includes a set of gates between a front channel and a back channel. The set of gates includes a bypass opening set. The head unit device further includes a piston housed at least partially radially within the chamber. The set of gates is configured to control flow of the STF between the front channel and the back channel to control rotational movement of the object.

The invention relates to the field of nuclear power unit accident analysis, in particular to a coupling method of a VVER unit system program and a neutron dynamics program. The method comprises the following steps: adding an interface function in a reactor core three-dimensional neutron dynamics program, compiling the reactor core three-dimensional neutron dynamics program into a dynamic link library, and accessing and calling the dynamic link library by a reactor system program in a plug-in manner; establishing a neutronics physical model of a specific loading scheme of the VVER type reactor; establishing an accident analysis system simulation model of the VVER type pressurized water reactor; establishing control logic of main systems and equipment of a primary loop and a secondary loop in the VVER type reactor; establishing control logic and conservative condition settings for specific accidents; executing coupling calculation of a reactor system program and reactor core three-dimensional neutron dynamics; and obtaining key safety parameters of the VVER type reactor in a specific accident based on a coupling calculation result. According to the invention, simulation of changes of physical and thermal parameters in a primary loop system and a secondary loop system and action response of a main system after a reactor has an accident can be realized, and efficient and reliable accident analysis can be conveniently carried out on a VVER type nuclear power unit.

A head unit system for controlling an object includes a head unit device that include shear thickening fluid (STF) and a chamber configured to contain the STF. The chamber further includes a set of gates between a front channel and a back channel. The set of gates includes a bypass opening set. The head unit device further includes a piston housed at least partially radially within the chamber. The set of gates is configured to control flow of the STF between the front channel and the back channel to control rotational movement of the object. An accessory module assists in control of the object.

A head unit system for controlling an object includes a head unit device that include shear thickening fluid (STF) and a chamber configured to contain the STF. The chamber further includes a set of gates between a front channel and a back channel. The set of gates includes a bypass opening set. The head unit device further includes a piston housed at least partially radially within the chamber. The set of gates is configured to control flow of the STF between the front channel and the back channel to control rotational movement of the object. An accessory module assists in control of the object.

The invention relates to the technical field of data management and specification conversion, and provides an inter-plant standard specification conversion and application management system, a standardized configuration module is used for uniformly formulating data specifications of a plant, the data specifications comprise a unit system and a parameter naming rule, and a multi-source data conversion module is used for converting collected and input heterogeneous data of all departments into a data storage module; the data processing module automatically converts the data into effective data with the same standard and specification as the factory area and the factory building, the data verification module monitors the data quality in real time, repairs errors, establishes a data quality rule base and generates a data quality report with credibility scores, and the tracing module supports backtracking of any version of data based on data operation traces; according to the method, heterogeneous parameter semantic matching is realized by combining a Hungary algorithm, abnormal data intelligent repair is realized by low-rank matrix completion of a data verification module and a graph Laplacian regular term repair technology, and multi-plant data specification and unification, cross-department data format compatibility and continuous optimization of production data quality are realized.

Systems and methods for protecting machine learning engines, artificial intelligence engines, large language models, and deep learning engines. An Offline Protection Unit is configured to analyze one or more characteristics of a Protected Engine, and to perform offline fortification of the Protected Engine against attacks by changing operational properties or operational parameters of the Protected Engine to reduce its vulnerability to attacks. An Online Protection Unit is configured to perform analysis of at least one of: (i) inputs that are directed to be inputs of the Protected Engine, (ii) outputs that are generated by the Protected Engine; and based on the analysis, to dynamically perform online fortification of the Protected Engine against attacks by dynamically changing operational properties or operational parameters of the Protected Engine to reduce its vulnerability to attacks.

Disclosed is a method performed by a first radio unit, RU, (140) of a distributed base station system (100), the first RU (140) comprising Ni antennas (141, 142), the distributed base station system (100) further comprising a first aggregation unit, AU, (120) connected to the first RU (140) via a first AU fronthaul, FH, link (145) and a second RU (150) connected to the first AU (120) via a second AU FH link (155), the second RU (150) comprising N2 antennas (151, 152), the distributed base station system (100) further comprising a BBU (110) connected to the first AU (120) over a first BBU FH link (115). The method comprises receiving, from a first number of UEs (181, 182, 183), uplink, UL, data streams comprising first user layers of the first number of UEs (181, 182, 183). The method further comprises obtaining a first channel estimate of a communication channel between the first number of UEs (181, 182, 183) and the first RU (140), determining first intermediate beamforming weights, BFW, sending, to the first AU (120), the first intermediate BFW and obtaining first part of BFW based on the first UL channel estimate. The method further comprises beamforming the received UL data streams based on the obtained first part of BFW into intermediately-beamformed UL data streams that are sent to the first AU (120), or receiving, from the first AU (120), first RU-adapted second part of BFW determined based on an inverse calculation of a combination of the first intermediate BFW and second intermediate BFW, determined by the second RU (150), determining final BFW for the first RU based on the first part of BFW and the first RU-adapted second part of BFW, beamforming the UL data streams of the first user layers based on the determined final BFW for the first RU into completely beamformed UL data streams, and sending the completely beamformed UL data streams to the first AU (120).

The present application relates to the technical field of on-board unit systems, and provides a redundancy control method for an on-board ring network heterogeneous system, a system, and a storage medium. The method comprises: in each ring network, any two adjacent on-board unit systems periodically performing detection packet exchange, and on the basis of a packet exchange result, determining a communication link state corresponding to the two on-board unit systems; when the communication link state is abnormal, triggering a communication redundancy control protocol; in response to the communication redundancy control protocol, determining position information of the two on-board unit systems between which the communication link is abnormal in a vehicle communication topology, and on the basis of the position information, generating a redundancy control rule for restoring communication between the two current on-board unit systems; and executing the redundancy control rule, so as to restore the communication between the two current on-board unit systems by adjusting the blockage states of communication ports of respective related on-board unit systems on redundant links of the two current on-board unit systems. The solution of the present application achieves protocol compatibility while ensuring the reliability of the on-board ring network heterogeneous system.

Method and device for celestial timekeeping that synchronizes independent object-relative cyclic time and displays each unique temporal interval on a single user display system. Multi-celestial cyclic time is displayed based on a user's frame of reference by aligning with recurrent and unique cyclic start / stop signals and the local reference frame timekeeping system. For example, using the Coordinated Universal time (UTC) for a user on Earth to equate the duration of independent cyclic time of Lunar18, Mars24, and so on. The method uses dimensional analysis and equates a single cyclic, non-cyclic (zero-time; start / stop non-dimensional instant of a cycle), and linear continuous time [T] from an observer frame of reference for displaying one or more temporal cycles on the user's device. Each independent cycle is consistent with temporal counts of a whole cycle (equated to SI units) displayed as either a discrete geometric shape (spatiotemporal units) and / or algebraic numbers on the device.

The invention discloses a conductive back plate, a manufacturing method of the conductive back plate and a photovoltaic module, relates to the technical field of photovoltaics, and is used for achieving the purposes of high conversion efficiency, low unit manufacturing cost, high unit production efficiency and high module reliability in cooperation with a photovoltaic cell. The conductive back plate comprises a carrier plate and a patterned conductive layer; the conductive layer is a metal layer arranged on the carrier plate, and the roughness Ra of a functional surface, which is used for being electrically contacted with the battery piece, of the conductive layer is 0.02-0.3 mu m.

Dedicated piece of hardware on a network may receive telemetry data from one or more network devices prior to transmission to a cloud-based server. The dedicated piece of hardware may identify duplicative records within the telemetry data. The dedicated piece of hardware may generate a reduced set of telemetry data that has the duplicative records removed. The dedicated piece of hardware may process the reduced set of telemetry data into a processed dataset. The dedicated piece of hardware may then send the processed dataset to the cloud server over the network.

The invention discloses a modeling and transient stability analysis method for a grid-connected new energy unit. The modeling method comprises the following steps: establishing a nonlinear full-order model of a grid-connected new energy unit system by adopting a state space modeling method, performing order reduction processing on the established nonlinear full-order model, and performing linearization processing on a nonlinear part; according to the system transient synchronization stability analysis method, the problem of constructing the maximum estimation attraction domain of the system is converted into the problem of solving optimization, and the maximum estimation attraction domain of the system is solved by adopting an LMI optimization theory. The influence of a phase-locked loop and a current loop of the system is fully considered when the full-order model is constructed, order reduction processing and linearization processing are performed on the full-order model, the obtained simplified model can accurately simulate the original full-order model, and the difficulty of subsequent transient stability analysis is reduced; an LMI optimization method is adopted to solve the maximum estimation attraction domain of the system, and the constructed maximum estimation attraction domain can accurately reflect the transient stability boundary of the system and is low in conservative property.

The invention discloses an air source heat pump unattended control method and system, and relates to the field of equipment control, and the method comprises the steps: predicting a load demand according to an environment parameter and a building load parameter, and calculating a target water supply temperature based on the load demand; sorting the heat pump units according to the equipment operation duration parameters, distributing a temperature deviation value for each heat pump unit, and calculating the target water supply temperature and the temperature deviation value corresponding to the heat pump unit to obtain the personalized set temperature of each heat pump unit; a starting instruction sequence is generated according to a preset starting condition and the personalized set temperature, and after the water return pressure parameter reaches a preset parameter threshold value after the circulating water pump is started, all the heat pump units are sequentially started according to the personalized set temperature sequence; and a make-up pump and a pressure release valve are controlled according to the return water pressure parameter and the liquid level parameter, and the temperature deviation value of each heat pump unit is adjusted according to the change of the environment parameter and the building load parameter. By implementing the method, the balance of equipment loads in the multi-unit system can be improved.

The invention discloses an ultra-supercritical unit rapid dynamic response method based on multiple models, and relates to the technical field of thermal power generation. According to the method, a nonlinear control method which unifies internal model control and generalized predictive control is provided, and nonlinear control over an ultra-supercritical unit (USC) system is effectively achieved: firstly, through internal model control based on LSTM-Transform, the USC system achieves rapid convergence to be close to an expected value, and the response speed of a load is remarkably increased; secondly, the model is further optimized by enhancing a composite weighted human learning optimization network (CWHLO), and the accuracy of the model is improved; and finally, a generalized predictive control (CWHLO-GPC) algorithm based on an enhanced composite weighted human learning optimization network is adopted to control the USC system, so that high-precision load tracking performance is realized, and the problem of slow dynamic response of the ultra-supercritical unit system is solved.

The invention discloses an oil well intelligent monitoring and remote control system, which belongs to the technical field of oil well monitoring and control, and is characterized by comprising the following steps: acquiring oil well production data, and obtaining a real-time indicator diagram and indicator diagram characteristics according to a preset electrical parameter inverse demonstration indicator diagram model; sending a preset security perturbation instruction sequence and obtaining response data corresponding to the security perturbation instruction sequence; obtaining core mechanism parameters of the oil pumping unit system based on the response data and a preset safety perturbation instruction sequence; obtaining a digital shadow model according to the core mechanism parameters and the indicator diagram characteristics; according to the method, core mechanism parameters are identified through anti-demonstration indicator diagram characteristics of an electric parameter anti-demonstration indicator diagram model and a safety perturbation instruction, and closed-loop intelligent control from oil well state monitoring to liquid production flow regulation and control is formed through the digital shadow model. And the accuracy of oil well flow control, the safety of system operation and the energy efficiency management level are improved.

Systems and methods are described for implementing a distributed unit in a radio access network that executes code on behalf of a mobile device. The distributed unit may be implemented on an edge server physically in close proximity to the radio unit with few or no intermediary devices. Thus, the edge server may provide services to a mobile device, such as executing code in an execution environment on behalf of the mobile device with significantly lower latency than a further cloud-based server on the edge server. The edge server may preload a computing environment with code for which a mobile device is likely (e.g., since a particular application is executing on the mobile device) to execute, and may determine whether to execute code on the edge server or on a cloud provider network.

Disclosed is a method performed by a first radio unit, RU, (140) of a distributed base station system (100), the first RU (140) comprising Ni antennas (141, 142), the distributed base station system (100) further comprising a first aggregation unit, AU, (120) connected to the first RU (140) via a first AU fronthaul, FH, link (145) and a second RU (150) connected to the first AU (120) via a second AU FH link (155), the second RU (150) comprising N2 antennas (151, 152), the distributed base station system (100) further comprising a BBU (110) connected to the first AU (120) over a first BBU FH link (115). The method comprises obtaining a first downlink, DL, channel estimate of a communication channel between the first RU (140) and a first number of UEs (181, 182, 183), determining first intermediate beamforming weights, BFW, and sending, to the first AU (120), the determined first intermediate BFW. The method further comprises receiving, from the first AU (120), intermediately-beamformed DL data streams of first user layers of the first number of UEs (181, 182, 183), obtaining second part of BFW based on the first DL channel estimate, and beamforming the received intermediately-beamformed DL data streams of the first user layers based on the second part of BFW into beamformed DL data streams for the first user layers, or receiving, from the first AU (120), DL data streams of the first user layers and receiving first part of BFW for the first user layers, determining final BFW, and beamforming the received DL data streams of the first user layers based on the determined final BFW into beamformed DL data streams for the first user layers K1. Thereafter, the beamformed DL data streams of the first user layers are transmitted to the first number of UEs (181, 182, 183).

The invention provides a value data digital representation method based on a meta-model, and relates to the technical field of measurement digital transformation, and the method comprises the steps: constructing a unit-system digital representation meta-model; performing mode conversion on the original magnitude data based on the unit digital expression meta-model to obtain digitally expressed magnitude data; and based on the unit digital expression meta-model, verifying the digitally expressed magnitude data to obtain a magnitude data verification result, and completing the digital expression of the magnitude data. According to the invention, the digital representation of the magnitude data is readable by a machine, explainable by the machine and traceable.

The invention provides a digital twin hydraulic engineering operation and maintenance monitoring system and method based on multi-modal data, and belongs to the technical field of hydraulic engineering and digital twin. The method comprises the following steps: determining a plurality of sub-unit systems of a target water conservancy project to be monitored, and constructing a corresponding digital twin sub-model for each sub-unit system to obtain a digital twin engineering model of the target water conservancy project; acquiring multi-modal historical monitoring data related to the target water conservancy project; based on the multi-modal data, determining a construction environment of a digital twinborn model; mapping each digital twinning sub-model to a construction environment, and running a digital twinning engineering model; and acquiring multi-modal real-time monitoring data related to the target water conservancy project in real time, inputting the multi-modal real-time monitoring data into the digital twin engineering model, and performing operation and maintenance monitoring on the target water conservancy project. According to the method, the rigid-flexible container adaptive model is adopted, so that the cloud resource calling cost can be reduced while the visual operation and maintenance of the water conservancy project are realized and the monitoring efficiency and accuracy are improved.

The invention relates to the technical field of fault early warning, in particular to a 10KV circuit breaker opening and closing fault early warning method of a ring main unit system, which comprises the following steps of: acquiring voltage signals to generate sequence data, extracting a main frequency to identify an abnormal frequency band, constructing a feature vector and performing opening and closing fault early warning. According to the method, the whole process of the operation process is recorded by collecting the voltage signals in the operation period of the circuit breaker and generating the current waveform time sequence data, and the characteristic structure reflecting the change of the operation state can be constructed by combining frequency domain conversion and main frequency distribution extraction, so that the frequency spectrum deviation abnormity is accurately positioned; a high-dimensional feature vector is formed by using the frequency change and the amplitude difference in the weekly period, the expression ability of an abnormal mode is enhanced, on this basis, dynamic identification and risk early warning of a potential fault trend are realized by judging the dense distribution condition of abnormal frequency bands, the timeliness and accuracy of fault identification are significantly improved, and the fault identification efficiency is improved. And meanwhile, the dependence on manual inspection and fixing devices is reduced.

The invention discloses a dual-chip unit system-on-chip flashing method, a chip and an in-vehicle infotainment system, each of dual-chip units is configured with a subsystem, and the two subsystems can trigger a system flashing command; the method comprises the following steps: after a triggering subsystem triggers a system reinstallation command, entering a system reinstallation mode, and meanwhile, notifying an updating subsystem to enter the system reinstallation mode; the triggering subsystem mounts and shares an external memory; the triggering subsystem and the updating subsystem respectively read corresponding flash small systems from a shared external memory and operate the flash small systems; and the triggering subsystem and the updating subsystem respectively read the flash program mirror images from the external memory and store the flash program mirror images in respective storage media. According to the double-chip-unit system-on-chip flashing method, software updating of the two systems of the double-die SOC can be achieved by connecting one flashing interface with one external storage, flashing operation is simple and rapid, meanwhile, a hardware circuit is simple, and cost is saved.

Systems and methods are disclosed herein for proactive intervention in an industrial process involving a defoamer composition. Learning models are iteratively trained using historical input data sets comprising directly measured variables from the industrial process and correlations between combinations of the input data and respective process states. For a current input data set associated with the industrial process, and responsive to detected process attributes, an intervention event is determined with respect to at least a first defoamer component in a current composition. Models are utilized to predict, responsive to the intervention event, changes in target values within a specified range of target values for other components in the current composition and / or for directly measured variables as corresponding with a specified process state. Automatic control is performed for respective actuators to produce a new defoamer composition, and as needed to other actuators for the directly measured variables.

The invention discloses an operation control method for a direct expansion type refrigerating unit. The operation control method comprises the following steps that firstly, whether a compressor breaks down or not is detected; step 2, detecting whether frequency reduction protection is needed or not; 3, calculating a load according to a PID algorithm; fourthly, the direct expansion type refrigerating unit is controlled to operate according to detection and calculation results in the first step to the fourth step; by automatically adjusting the frequency of the compressor, the problems of part damage and large air outlet temperature fluctuation caused by frequent starting / stopping of the direct expansion section can be avoided, automatic operation of the direct expansion type air conditioning unit system can be achieved in the stopping state, loading or frequency reduction is carried out on the compressor by calculating the load, and the working efficiency is improved. The stability of the system and the operability of the unit system are improved; the rotating speed of the condensation fan / the evaporation fan is controlled through the condensation temperature and the evaporation temperature, the indoor temperature is accurately controlled, temperature fluctuation is reduced, meanwhile, the service life of the compressor can be prolonged, intelligent operation control is provided, and the operation process is simplified.

The invention discloses a double-channel electrolytic cell hydrogen production control method and device and a storage medium in the technical field of new energy hydrogen production control. The method comprises the steps that initial power instructions of a proton exchange membrane electrolytic cell and an alkaline electrolytic cell are obtained; dynamically correcting the initial power instruction according to a preset start-stop control rule and a constraint condition to obtain actual power output; obtaining a hydrogen production rate based on the actual power output; and inputting the hydrogen production rate into a pre-constructed energy conversion efficiency maximization objective function, and solving to obtain the optimal actual power distribution under the condition of satisfying a constraint function of minimizing the unit hydrogen production cost. The technical problems that most control strategies of an existing wind-solar coupled hydrogen production system aim at single electrolysis equipment, adaptability is poor, operation and maintenance cost is high, and economical efficiency and operation efficiency are difficult to balance can be solved.

The invention discloses a vibration reduction method for a reciprocating compressor unit system, and belongs to the technical field of system vibration control. The method comprises the following steps: acquiring working condition parameters under the operation condition of a reciprocating compressor unit system and time domain vibration signals of each vibration measuring point in each testing direction, and obtaining a corresponding spectrogram; establishing a mechanical vibration finite element analysis model of the system according to the design drawing information and the quality and rigidity of equipment in the system, and obtaining the distribution condition of the inherent frequency of the structure; vibration measuring points with vibration amplitudes exceeding a set limit value are recognized through the spectrogram and serve as vibration reduction positions; and corresponding tuned mass dampers are respectively designed and mounted at the vibration reduction positions according to the inherent frequency of the system for vibration reduction. According to the method, the vibration characteristics of the reciprocating compressor unit system put into use in the operation process can be analyzed, targeted vibration reduction measures are provided, and meanwhile the service life, safety and reliability of equipment of the reciprocating compressor unit system can be prolonged.

The invention relates to a black-start method and device for self-synchronizing parallel connection and stable control of a new energy station, and the method comprises the steps: controlling each power generation unit of the new energy station to carry out the initialization through the DC side energy storage of the power generation unit in response to a black-start instruction, and generating the voltage and frequency of an independently-established island of the new energy station; performing self-synchronization among the power generation units based on the island voltage and frequency, and performing oscillation suppression on the parallel connection process of the power generation units by using adjustable virtual impedance so as to establish a stable parallel power generation unit system; the impedance of the power generation unit system is monitored online in real time, virtual impedance parameters are adjusted in a self-adaptive mode according to a preset impedance stability criterion, and loads are input step by step; and when the voltage difference and the frequency difference in the gradual load input process are smaller than a preset threshold condition, a parallel circuit breaker in the new energy station is controlled to be closed so as to realize black start.