1085 results about "Energy delivery" patented technology

The invention provides a high-precision five-axis rotary table cooperative control method and system based on multi-closed-loop feedback, and the method comprises the steps: obtaining a real-time acceleration signal of a five-axis rotary table, carrying out the spectrum analysis of the acceleration signal, determining a current resonant frequency drift range and a main frequency component, and carrying out the frequency spectrum analysis; dynamically simulating the turntable structure by adopting a pre-established finite element model, and predicting the vibration mode change trend of the structure by comparing the deviation between the modal frequency obtained by simulation and the actually measured signal spectrum; according to the vibration mode change trend, matching similar vibration mode modes from a pre-established rotary table vibration mode database, obtaining corresponding vibration energy transmission path distribution, and determining an energy transmission abnormal region by analyzing the distribution of energy on each transmission path to obtain vibration energy transmission characteristics; according to an optimized motion instruction of a five-axis turntable, the dynamic response of the turntable is estimated, vibration frequency domain characteristics are extracted, and frequency domain compensation parameters are generated in combination with a preset frequency domain error matrix.

The invention provides a monitoring method and system based on a digital twin remote intelligent protection device, and the method comprises the steps: carrying out the synchronous processing and feature extraction of operation data, generating cross-device space-time alignment data, and enabling the operation data to be multi-source heterogeneous data collected from a plurality of devices; based on the space-time alignment data, constructing a multi-dimensional association relationship among the plurality of devices, the multi-dimensional association relationship being used for representing a potential fault propagation path among the devices; performing simulation verification on the multi-dimensional association relationship through a digital twinborn model, and determining root cause equipment and a propagation path of the implicit association fault; and generating a cooperative control instruction according to the root cause device and the propagation path, wherein the cooperative control instruction is used for indicating the root cause device to execute protection operation. By adopting the method, the hidden fault missing detection problem caused by energy transfer or control dependence between the devices can be explored based on the multi-dimensional incidence relation between the devices.

Systems and methods for delivering multiple ocular implants to reduce intraocular pressure are disclosed. The ocular implants can be implanted at multiple sites within a single human eye without requiring removal of the delivery apparatus from the eye. A system for delivering multiple ocular implants can include at least two implants preloaded within a delivery device and configured to be implanted within the eye, a metering device configured to transfer energy to the implants for delivery at selected locations within the eye, wherein the metering device is configured to meter a variable amount of energy for each implant delivery event in the eye. The system can further include an injector mechanism configured to serially engage and drive each of the implants.

The invention discloses a method for suppressing subsynchronous oscillation of a doubly-fed grid-connected system, and relates to the technical field of stability control of a power system, and the method comprises the specific steps: S100, extracting the amplitude and phase angle of a subsynchronous frequency component, S200, generating a rotor compensation current instruction according to the amplitude and phase angle of the subsynchronous frequency component and a dynamic gain, and S200, generating a rotor compensation current instruction according to the rotor compensation current instruction; s300, dynamically adjusting the gain according to the suppression ratio and the amplitude of the target magnetic field during operation, S400, calculating the feed-forward decoupling voltage, S500, calculating the suppression ratio after injection, and executing a hierarchical control strategy. Subsynchronous oscillation suppression from the electromagnetic essential level is realized, and by monitoring the subsynchronous component of the air-gap magnetic field in real time and injecting the anti-phase compensation current at the rotor side, the suppression efficiency of the subsynchronous oscillation is improved. Active interference of a stator magnetic field and a rotor magnetic field in a subsynchronous frequency band is cancelled, an energy transfer path of subsynchronous oscillation is directly blocked, oscillation forming conditions are destroyed, and a dynamic gain adjustment mechanism optimizes compensation intensity according to a real-time suppression effect so as to cope with 5-45Hz subsynchronous oscillation frequency change.

The invention discloses a new energy automobile body frame lightweight design method based on digital twinning, and relates to the technical field of new energy automobile body structure design and computer-aided engineering simulation, and the method comprises the following steps: S1, building a digital twinning body connected with a physical automobile body sensing system; s2, a dynamic precision topology network module is used for dynamically dividing a simulation precision area of the vehicle body frame according to the mechanical energy transmission path and the real-time sensing data. According to the new energy automobile body frame lightweight design method based on digital twinning, intelligent allocation of computing resources is realized through a dynamic precision topology network, and the computing burden of multi-physics coupling simulation is effectively reduced while precise prediction of a key structure is ensured; the sharp contradiction among the model precision, the real-time response and the optimization efficiency is effectively solved, and effective closed-loop iteration of the lightweight design is achieved under the complex constraint condition.

The invention relates to the technical field of state monitoring, in particular to an energy state monitoring deduction method and system based on digital twinning, and the method comprises the following steps: obtaining a power value and a direction to construct a chain structure map, marking a mutation point to extract a linkage path, screening out an abnormal path, screening an available index, and combining state behaviors to form an evolution trajectory. And comparing the measured data to generate a mapping result. According to the method, through cooperative calculation of the multi-period node power change direction and the response time difference, the energy transfer path relation is defined by utilizing the construction of an inter-node chain transmission structure, and the node coincidence frequency is superposed in the multi-path sudden change behavior time sequence intersection statistics to realize the judgment and elimination of the abnormal path; path availability screening is realized based on response direction consistency of terminal nodes in residual paths, and accuracy improvement of energy flow anomaly identification, continuity guarantee of path deduction results and verification of equipment response states are realized.

The invention relates to the technical field of structural health monitoring, and particularly discloses a library body health monitoring and early warning system based on heterogeneous multi-source data fusion, and the system obtains library wall strain, environment wind load and three-dimensional deformation data in real time through a multi-source data collection module; high-risk, transitional and stable areas are divided by utilizing a space gridding layered mapping module and combining library body structure features, and risk sensitivity is improved through dynamic weight adjustment; the cross-frequency-domain association feature extraction module constructs a space-time-frequency domain feature matrix, fuses strain spectrum, wind load harmonic and deformation curvature data, and verifies feature credibility in combination with an adversarial generative network; the resonance risk dynamic identification module judges a resonance hot spot based on energy transfer path analysis and a modal cloud picture standing wave node line; and the closed-loop early warning module realizes graded early warning and strategy adaptive adjustment through encryption scanning, digital twin model iteration and dynamic threshold optimization.

The invention provides a dynamic cooperative speed regulation control system and method for a machine tool spindle and a feed shaft, and the method comprises the steps: building a spindle energy transmission model and a feed shaft load-motion model, and constructing a strong correlation coupling relation between the two through cutting power; collecting main shaft power, torque and rotating speed and feed shaft cutting force, acceleration and displacement data in real time, and fusing to generate a combined state vector; calculating spindle margin and time correction based on spindle actual power and torque, and identifying working condition abrupt change according to the joint state vector; the feeding speed and the cutting depth are dynamically adjusted with the spindle margin sum as the constraint condition, and a cooperative adjustment strategy is generated; and converting the cooperative adjustment strategy into a feed shaft motion instruction and executing the feed shaft motion instruction. By constructing a real-time coupling closed loop of'spindle power-torque-rotating speed 'and'feed shaft speed-acceleration-position', the spindle is always locked to operate in a maximum power-torque envelope efficient area, the speed of the feed shaft is dynamically adjusted according to the spindle margin, locked rotor is completely eradicated, and no-load is eliminated.

A method for mid-intensity non-ablative acoustic treatment of injured tissue is disclosed. The method involves continuously moving an ultrasound probe across an extracorporeal skin surface while emitting non-ablative therapeutic ultrasound into the injured tissue in a non-ablative therapeutic ultrasound beam profile. The method terminates energy delivery if movement speed is below a speed threshold. The non-ablative therapeutic ultrasound beam profile provides substantially uniform heating throughout a treatment volume. The heating is non-ablative and triggers a healing response in the injured tissue.

The invention discloses a dynamic identification system and method for fault nodes of a heat pump measurement and control network, and aims to solve the problems of one-sided weight distribution, lack of directional modeling and insufficient dynamic adaptability in the prior art. The system comprises an energy transfer topology network model building module which is used for respectively quantifying the physical connection strength and the directional energy transfer path of the heat pump system by building an undirected graph and directed graph bimodal model; the multi-dimensional weight distribution module adopts a subjective and objective fusion strategy and combines a complex network theory, an entropy weight method and an analytic hierarchy process to distribute comprehensive weights for nodes and explicit modeling directivity dependence; the dynamic robustness analysis module is used for simulating and positioning structural hub nodes through static attacks, simulating and tracking cascade failure and topology reconstruction processes through dynamic attacks, and comprehensively evaluating the robustness of the system; and the fault simulation verification module verifies weight rationality and method effectiveness from four dimensions of objectivity, center matching degree, interpretability and robustness based on a fuzzy comprehensive evaluation framework. According to the method, through fusion topology modeling, dynamic weight distribution and dynamic and static combination robustness analysis, key fault nodes are accurately recognized, the system vulnerability is revealed, a data driving basis is provided for redundancy design, intelligent operation and maintenance and reliability improvement of the heat pump system, and the operation and maintenance cost is remarkably reduced.

The invention discloses a pump set vibration monitoring method and system based on distributed sensing. The method comprises the steps that vibration collection signals and real-time working condition parameters of distributed sensing nodes are obtained, multi-node clock synchronization correction is executed, and synchronous vibration data frames are formed; time-frequency feature extraction is carried out on the multi-channel vibration data set, abnormal channels are identified through inter-channel consistency analysis, a local fault correlation frequency band is extracted, and a vibration feature vector is constructed; associating the vibration feature vector with a real-time working condition parameter to form a working condition-feature mapping table, identifying a feature mutation rotating speed point for the feature baseline, adaptively dividing a rotating speed interval to generate an adaptive working condition threshold value, and implementing out-of-limit detection to generate an abnormal trigger identifier; determining a traceability analysis window based on the abnormal trigger identifier, and executing multi-measuring-point coherence calculation and energy attenuation gradient analysis to construct an energy transfer link diagram; and finally, vibration source position positioning is performed to form fault source probability distribution, a fault mode label is matched, pump set vibration monitoring is completed, and quantitative positioning of a fault source is realized.

The invention discloses a thermal power generating unit operation state detection method and system, and relates to the technical field of operation state detection, and the method comprises the steps: S100, building a working condition variable label; s200, carrying out statistics on correlation coefficients of sensors and faults under various working conditions in historical operation data of the thermal power generating unit, dynamically updating weights, and storing the weights in a working condition database; s300, based on the energy transfer chain of the thermal power generating unit, establishing a parameter incidence matrix between devices; according to the method, the data weights of different sensors are adaptively adjusted according to the real-time operation state of the equipment, the defect that the traditional multi-sensor fusion adopts fixed weight or simple weighted average and is difficult to adapt to the working condition change is overcome, a physical relationship network between the equipment is constructed, key associated parameters are identified in an energy transfer form, and the fault identification accuracy is improved. The robustness of anomaly monitoring under complex working conditions is improved, and the false alarm rate is reduced.

Techniques for capturing carbon dioxide (CO2) from atmospheric air include flowing the atmospheric air along a flow path comprising at least one energy transfer module, transferring energy from the at least one energy transfer module to the atmospheric air to form a CO2-rich gas stream in the flow path, flowing the CO2-rich gas stream along a gas-liquid interface in the flow path, flowing a CO2 capture solution along the gas-liquid interface to absorb CO2 from the CO2-rich gas stream into the CO2 capture solution and to form a CO2-lean gas stream, transferring energy from the CO2-lean gas stream to the at least one energy transfer module to form an exhaust CO2-lean gas stream.

The invention relates to the technical field of anti-fatigue of steel parts, and discloses an anti-fatigue system and method for a high-hardness steel part based on ultrasonic-shot blasting composite strengthening. The method comprises the steps that the macroscopic geometrical morphology, the microstructure and the dynamic stress-strain data of a target steel part are collected through a multi-mode sensing system, and a multi-physics field digital twinborn model is constructed through fusion; on the basis of fatigue damage feature distribution in the model, sorting by using an enhanced decision tree model, and triggering parameter configuration by using a priority over-critical value; synchronously calculating ultrasonic field regulation and control parameters and shot blasting trajectory planning parameters through an adaptive neural network algorithm; the parameters are injected into a digital twin model to simulate material response and energy transfer, data such as a microdefect closed state are output, and a parameter correction signal is generated through multi-dimensional consistency inspection. According to the method, precise control over composite strengthening is achieved, and the anti-fatigue performance of the high-hardness steel part is effectively improved.

The invention discloses a GPU accelerated multi-particle coupling Monte Carlo calculation method and device. The method comprises the following steps: asynchronously migrating geometric material parameters subjected to CPU serial processing and a basic database to a pre-allocated memory space in a GPU; operation parameters of the GPU are determined, and Monte Carlo simulation of the multi-particle coupling transportation process is realized in the GPU based on the operation parameters and the neutron nuclear reaction database; on the basis of an atom addition function of a CUDA parallel computing architecture, energy transfer data, obtained through Monte Carlo simulation, of particles and voxel grids in a multi-thread environment is efficiently summarized, energy deposition of the particles is determined, and a high-resolution three-dimensional energy deposition spatial distribution data set is generated. According to the method, high precision can be maintained, and meanwhile, the parallel computing capability of the GPU is fully utilized to realize multi-particle coupling transportation synchronous simulation, so that the computing efficiency of a complex radiation field is improved, and the dual requirements of different fields on high precision and real-time performance are met.

The invention provides a dynamic particle adaptive drawing method and system based on an autonomous controllable GPU. Optical fiber sensing arrays are deployed in a monitoring area in a distributed mode, and multi-frequency-band vibration waveform data of the dynamic particle flow under strong electromagnetic interference are collected. And in combination with a particle fluid mechanics constraint rule, generating an inter-node association topology of the dynamic particle knowledge graph. And through a federated learning framework, a plurality of GPU computing nodes cooperatively update the knowledge graph, and particle rendering resolutions are dynamically distributed according to the real-time variation of the topology. And finally, based on the vibration waveform data fluctuation interval fed back in real time, generating a GPU drawing control instruction, and triggering a GPU computing node to adaptively adjust the rendering granularity of the particle trajectory according to the priority of the energy transfer path. According to the technical scheme provided by the invention, efficient and accurate drawing of the dynamic particle flow in a strong electromagnetic interference environment can be realized, and the visualization effect of the particle flow in the mechanical cavity is improved.

The invention discloses a low-cost commercial equipment system scheme optimization method based on energy transfer. The method comprises the following steps: step 1, modeling and designing an equipment system based on a DoDAF system structure method; 2, after available equipment units are screened out under the structural framework of the constructed equipment system, the efficiency-cost ratio of the system is calculated through an equipment system efficiency calculation method, and the equipment system with the highest efficiency-cost ratio is selected as an optimal scheme. Therefore, the problem that there is no calculation method from the single-loading efficiency to the system efficiency in the prior art is solved. According to the method, the efficiency improvement caused by the cooperative relationship between the devices is fully considered, the joint probability distribution of the cooperative effect generated on the battlefield between the different devices is innovatively selected as the gain coefficient, mathematical modeling of the endophytic emergence of the device system under the actual combat condition is achieved, and the accuracy and scientificity of system efficiency estimation are greatly improved.

The invention belongs to the technical field of machining, and particularly relates to an ultrasonic internal broaching test platform and an ultrasonic vibration mode control method.The test platform comprises a base, a broach and a clamping mechanism, and the clamping mechanism comprises a supporting ring and a clamping sleeve; a clamping groove is formed in the broach, and a protrusion matched with the clamping groove is arranged on the clamping sleeve. A plurality of supporting columns are arranged on the base, and the supporting columns are arranged in a circular shape. The broach is arranged in a space defined by the multiple supporting columns. And a piezoelectric actuator is arranged on the broach. Based on the platform, the invention provides the control method of the ultrasonic vibration mode, modal drift can be optimized and reduced by adjusting the pre-tightening force and the ultrasonic power supply driving frequency, the pre-tightening force is adopted to adjust and stabilize the contact rigidity, and the energy loss can be reduced; through frequency tracking, resonance points are matched in real time, and energy transfer can be maximized; the two modes are cooperatively controlled, response speed and stability are both considered, and the method adapts to high-dynamic loads.

The present invention relates to the field of Internet of Things control technology, and discloses a device linkage control method and system for an intelligent Internet of Things, including: collecting Internet of Things terminal data, converting it into a standardized spatio-temporal matrix, performing feature decoupling processing to obtain a high-dimensional feature vector; querying device information to calculate the energy transfer efficiency and communication delay sensitivity of the device by using the high-dimensional feature vector, so as to construct a dynamic knowledge graph of Internet of Things devices; injecting fault signals into the dynamic knowledge graph, analyzing the abnormal propagation path of the device and the anti-interference ability of the device, performing a risk assessment on the Internet of Things device to obtain the device risk degree; constructing an initial linkage strategy for the Internet of Things device, identifying the feasible strategies in the initial linkage strategy to obtain a subset of feasible strategies; performing a directed acyclic graph decomposition on the subset of feasible strategies, dynamically allocating resources to the decomposed task nodes, and executing the target task. The present invention can improve the coordination of device linkage control of an intelligent Internet of Things.

Apparatuses, systems and methods are provided for treating pulmonary tissues via delivery of energy, generally characterized by high voltage pulses, to target tissue using a pulmonary tissue modification system (e.g., an energy delivery catheter system). Example pulmonary tissues include, without limitation, those within the respiratory tract, particularly the epithelium (the goblet cells, ciliated pseudostratified columnar epithelial cells, and basal cells), lamina propria, submucosa, submucosal glands, basement membrane, smooth muscle, cartilage, nerves, pathogens resident near or within the tissue, or a combination of any of these. The systems may be used to treat pathogens, such as bacteria and viruses, particularly coronaviruses.

A multimodality or hybrid ablation system includes an ablation apparatus for creating a lesion in target tissue. The ablation apparatus has an ablation shaft including a handle, a first portion, an ablation portion, distal tip, at least one ablation energy delivery lumen, at least one ablation energy return lumen, and a stylet lumen that extends substantially along a length of the ablation shaft from the handle to at least the ablation portion. The ablation apparatus also includes a stylet that is capable of being inserted into the stylet lumen where the stylet is made of a shape-memory material. A plurality of electrodes are arranged on the ablation portion for measuring or verifying tissue contact with the tissue and applying a pulsed electric field. Optionally, the pulsed electric field may be applied after, contemporaneously, or for only a portion that the cryo-modality is applied to the target tissue.

The invention relates to a method for packaging perovskite quantum dots by photon sintering. The preparation method comprises the following steps: firstly, preparing turbid liquid of mesoporous silica nanoparticles; coating the surface of a substrate with the obtained turbid liquid, and drying to form a layer of uniform mesoporous silica nanoparticle array on the surface of the substrate; immersing the obtained substrate into a perovskite precursor solution, and carrying out ultrasonic treatment and crystallization to obtain a quantum dot crystallized substrate; and carrying out photon sintering packaging to obtain the perovskite quantum dots. According to the invention, mesoporous silica nanoparticles are used as a packaging material, a porous structure is used for confinement growth, quantum dots are uniformly dispersed in a submicron scale, accurate size control is realized, and quantum dot agglomeration is avoided. A photon sintering process is used, and packaging of quantum dots is realized through rapid energy transfer. According to the process, sintering can be completed at the millisecond level, surface traps and oxidation reactions possibly introduced in the traditional thermal annealing process are reduced, and the optical performance and stability of the quantum dots are further improved.

Apparatuses, systems and methods are provided for treating pulmonary tissues via delivery of energy, generally characterized by high voltage pulses, to target tissue using a pulmonary tissue modification system (e.g., an energy delivery catheter system). Example pulmonary tissues include, without cells), lamina propria, submucosa, submucosal glands, basement membrane, smooth muscle, cartilage, nerves, pathogens resident near or within the tissue, or a combination of any of these. The system may be used to treat a variety of pulmonary diseases or disorders such as or associated with COPD (e.g., chronic bronchitis, emphysema), asthma, interstitial pulmonary fibrosis, cystic fibrosis, bronchiectasis, primary ciliary dyskinesia (PCD), acute bronchitis and / or other pulmonary diseases or disorders.

Disclosed herein are systems for pyrolyzing plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the systems include one or more energy transfer apparatuses configured for receiving the plastic feedstock and applying energy to the plastic feedstock.

The invention discloses a furnace flue gas waste heat graded cycle power generation method and system, which combines multi-stage purification and temperature division utilization, and comprises the following steps: firstly, carrying out component analysis and desulfurization purification treatment on furnace flue gas, establishing a layered purification chain, and identifying an acid dew point area; a safe flue gas purification area is formed through material adaptability evaluation and corrosion control measures; then carrying out temperature gradient analysis and temperature field reconstruction on the purified flue gas, establishing a heat grade distribution mechanism and forming a gradient heat energy flow to realize complementary utilization of heat sources at different temperature sections; a water vapor main cycle and organic working medium auxiliary cycle cascade power generation system is constructed, and the magnetic suspension bearing technology is integrated to improve the auxiliary cycle power generation efficiency; establishing a heat balance parameter and optimizing a circulation network through heat matching degree monitoring and mismatch detection; and finally, an energy transfer matrix is constructed, distributed power generation configuration is formed through generator coupling analysis and rotating speed coordination control, stable electric energy output is completed, and efficient utilization of waste heat is achieved.

The invention discloses a real-time measurement method and system for martial arts striking mechanical characteristics, and belongs to the technical field of sports biomechanical measurement, and the method comprises a multi-sensor signal acquisition step, a mechanical characteristic extraction step, a biomechanical analysis step, a technical style evaluation step and a result output and feedback step. According to the system, an intelligent target and wearable sensor cooperative measurement framework is adopted, a piezoelectric force sensor array is arranged in the intelligent target to collect a three-dimensional impact force time history curve, and a wearable inertial measurement unit collects kinematics parameters; performing reverse dynamic analysis based on a rigid dynamic chain model, and calculating joint torque contribution and energy transfer efficiency; technical style identification is realized through matching with a mechanical characteristic fingerprint database; and outputting a striking mechanical parameter report and personalized training suggestions. The technical problem that the striking effect in traditional martial art training is difficult to quantitatively evaluate is solved.

The invention relates to the technical field of digital twinning, and discloses a process industry digital twinning platform system, which comprises a process mechanism modeling module used for constructing a multi-scale first principle model system according to physical and chemical laws of the process industry; the dynamic coupling engine is used for collecting process data in real time and carrying out coupling solution by combining the first principle model system and the equipment operation state model; the closed-loop optimization control interface is used for carrying out two-way communication with the distributed control system, generating an optimization set value based on a solving result and executing control; and the visual diagnosis module is used for carrying out multi-dimensional analysis, fault root cause tracing and early warning response on process parameter deviation. First principle equations of reaction kinetics, heat transfer theory and the like are directly embedded into the virtual model through the process mechanism modeling module, so that the model has physical and chemical interpretation capability on complex chemical reactions and energy transfer, and high precision is still kept under complex working conditions.

To provide systems, devices and methods for capturing stone fragments from lithotripsy systems.SOLUTION: A lithotripsy device comprises a handpiece, a probe, an energization source to deliver energy, a suction passage, and a capture device. The device comprises a container and a capture element. The container comprises a storage space, an entry port to couple to the handpiece at the suction passage, and an exit port. The capture element is connected to the container and configured to facilitate capture of stone fragments within the storage space.SELECTED DRAWING: Figure 3

The invention relates to the technical field of hydrogen energy conveying and material performance testing, in particular to a testing structure for hydrogen permeation testing in a high-pressure gas-phase hydrogen environment and an installation method and application of the testing structure. The testing structure comprises a sample body and an insulation sealing assembly, and the sample body is of a double-step disc structure; the uppermost edge of the first sealing insulation assembly is flush with the upper end face of the cylindrical platform, the sample body is installed on the inner side of the first sealing insulation assembly in a matched mode, the second sealing insulation assembly is in a shape with an upward opening, and the first sealing insulation assembly is installed in the second sealing insulation assembly in a matched mode. The test surface of the sample body of the test structure and the gas main flow keep a consistent flow velocity field, and when the test structure is used for testing, the permeation behavior of the hydrogen flow on the material surface can be truly reflected; all the clamping and conducting structures are arranged outside the pipe wall of the test pipeline or at the left part of the sample body, so that flow field disturbance is prevented from being introduced into a main airflow path.

Aspects of the present disclosure are directed to, for example, a method for determining a temperature distribution across an ablation catheter tip. The method including contacting tissue with a distal tip of an ablation catheter, receiving temperature data from a plurality of thermocouples distributed about the distal tip of the ablation catheter, and based on the received temperature data, determine a temperature distribution across the distal tip of the ablation catheter. Also disclosed is a method of controlling the temperature of an ablation catheter tip while creating a desired lesion using various energy sources and energy delivery methodologies.