39 results about "Load measurement" patented technology

The invention relates to the technical field of multi-core CPU task scheduling, and discloses a multi-core CPU task scheduling optimization method based on load balancing. The method comprises the following steps: continuously monitoring an output value of a load balancing indicator in a multi-core CPU task scheduler, and setting a current task distribution mode as reference task distribution when a system is balanced; collecting an instant load measurement value of each processing core, constructing a load distribution sequence, calculating a load deviation parameter distributed with a reference task, and determining a load imbalance degree and a skew core identifier; based on the state updating indicator output value, generating a task redistribution instruction to adjust the task distribution direction; and during task execution, task operation data associated with the unique identifier is collected in real time, and performance is evaluated and stored after segmentation processing according to categories. According to the method, accurate sensing and dynamic adjustment of the load state are realized, the task allocation logic is optimized, and the scheduling rationality and operation efficiency of the multi-core CPU are improved.

The invention discloses a self-adaptive heuristic grid clustering method suitable for non-intrusive load monitoring, which comprises the following steps of: S1, selecting low-frequency data, preprocessing the low-frequency data, and converting the selected data into a four-dimensional tensor containing total load, hour, week and month; s2, event detection is performed on the total load measurement sequence by using a time window, a four-dimensional matrix containing event amplitude and time reference is generated, events are grouped by using a heuristic grid clustering algorithm, and different clustering results represent different states of equipment in an operation process; s3, constructing a state transition matrix according to the event grouping result and the state change of each device in the operation process; and according to the energy consumption period and the state transition matrix of the equipment, reconstructing an energy consumption sequence of the equipment, completing the estimation of the energy consumption of the equipment, and calculating the use frequency of the equipment. The household data processing method has high precision and efficiency in household data processing, and can effectively separate electric energy loads of various types of electric appliances.

To enhance proper accuracy of load training by using proper load data in accordance with a grounding mode in walking of a subject.SOLUTION: A load measurement device comprises: a load data acquisition unit which acquires first load data of a first load sensor and second load data of a second load sensor and acquires synthetic load data of them; an analytic unit which comprises synthetic load determination means for determining whether the synthetic load data satisfies a synthetic load determination reference; and a sound output unit which generates an alarm when the synthetic load data satisfies the synthetic load determination reference. The load measurement device further comprises a load data selection unit which can select the synthetic load data, the first load data, and the second load data. The analytic unit includes individual load determination means which determines whether individual load data being the first load data or the second load data has reached an individual load determination reference. The sound output unit generates an alarm only when the individual load data selected by the load data selection unit satisfies the individual load determination reference.SELECTED DRAWING: Figure 7

A wireless scale apparatus can include a load sensor operable to be directly coupled with a portion of a load receiving element. A printed circuit board (PCB) in communication with the load sensor is operable to: measure load data from the load sensor, determine a load measurement from the load data received upon the load sensor, and transmit the load measurement.

The invention relates to the technical field of engineering machinery, in particular to a load measuring method and system applied to a rotary platform of an excavator. The excavator revolving platform is provided with at least one target measurement area, at least one strain gauge group is arranged in the target measurement area, and the method comprises the following steps: acquiring actually measured strain data corresponding to each strain gauge group, and generating an actually measured data matrix according to the actually measured strain data corresponding to all the strain gauge groups; calculating simulation strain data corresponding to each strain gauge group according to a preset excavator model, and generating a simulation data matrix according to the simulation strain data corresponding to all the strain gauge groups; and calculating target load data of the excavator revolving platform according to the actually measured data matrix and the simulation data matrix. On the basis of the preset strain gauge group, load measurement is carried out on the external load and the inertial load of the excavator revolving platform in a mode of combining virtual simulation and actual measurement, and the position of a measurement device does not need to be iteratively adjusted for multiple times, so that the load measurement efficiency is improved.

The utility model discloses a key load testing machine, which relates to the technical field of load measurement, and comprises a base and a gantry frame arranged on the base, a Y-axis driving device is arranged in the base, the surface of the top end of the base is movably connected with a testing platform, the testing platform is in power connection with the Y-axis driving device, and the Y-axis driving device is arranged on the gantry frame. An X-axis driving device is arranged in a cross beam of the gantry rack, one side of the cross beam is movably connected with a load loading module, the load loading module is in power connection with the X-axis driving device, a Z-axis driving device is arranged in the load loading module, a test head assembly is arranged at the lower end of the load loading module, and the Z-axis driving device is in power connection with the X-axis driving device. The testing head assembly is in power connection with the Z-axis driving device; the testing machine can adapt to the testing requirements of different types of keys through the replaceable testing head and the stable connection mode, and accurate load testing is achieved.

The invention discloses a distributed cooperative measurement method and system for a load sensor array, and relates to the technical field of sensor networks and distributed measurement, and the method comprises the steps: executing the finite element simulation of a target structure, recognizing a stress key region, a boundary region and a load type, and building a structure and demand feature library; deploying a three-layer nested sensor array according to the feature library, configuring a communication protocol, and collecting data after global clock synchronization to establish a time sequence data set; and finally, outputting a load measurement result according to a cooperative authentication result through cooperative processing. The technical problems that in the prior art, a multivariable distributed measurement mechanism is lacked, intelligent sensors are insufficient in cooperation, structural load information is difficult to comprehensively and accurately obtain, and the requirements for accurate measurement and effective management and control of structural loads cannot be met are solved, and the purposes of comprehensively and accurately obtaining the structural load information and effectively managing and controlling the structural loads are achieved. And the technical effects of accurate measurement and effective management and control of the structural load are achieved.

The invention discloses a Maha-DMVAE-based power grid operation mode data iterative cleaning method and a terminal. The method comprises the following steps: collecting topological structure data and dynamic load measurement data related to a power grid operation mode; constructing a feature matrix based on a topological quantile characterization coefficient based on the topological structure data and the dynamic load measurement data; designing and training a Mahaa-DMVAE model which comprises a Mahalanobis distance measurement module by using the characteristic matrix, wherein the Mahaa-DMVAE model comprises the Mahalanobis distance measurement module; taking the adjustment of the Mahalanobis distance of the submerged space as a target, taking the feature matrix as input, and outputting a final matrix by using a Maha-DMVAE model; and based on a power flow residual value confidence dual-mode evaluation system, evaluating the effectiveness of the final matrix, if the final matrix passes the effectiveness evaluation, considering that the Maha-DMVAE model is effective, and using the Maha-DMVAE model to clean the data related to the power grid operation mode. According to the method, accurate identification and high-confidence intelligent correction of the abnormal data are realized, and the purification effect of the power grid data and the physical authenticity and availability of the final data are remarkably improved.

The present application relates to the technical field of multi-core CPU task scheduling, and discloses a multi-core CPU task scheduling optimization method based on load balancing. The method comprises continuously monitoring the output value of the load balancing indicator in the multi-core CPU task scheduler, setting the current task allocation mode as the reference task distribution when the system is balanced; collecting the real-time load measurement value of each processing core, constructing a load distribution sequence and calculating the load deviation parameter with the reference task distribution, and determining the degree of load imbalance and the skew core identifier; based on the output value of the state update indicator, generating a task reallocation instruction to adjust the task allocation direction; during task execution, real-time collection of task running data associated with a unique identifier, segmented processing according to categories, performance evaluation and storage. The method realizes accurate perception and dynamic adjustment of the load state, optimizes the task allocation logic, and improves the rationality of multi-core CPU scheduling and the running efficiency.

The application belongs to the technical field of data processing, and specifically discloses a nonlinear load measurement method, system, device and medium, wherein the method comprises the following steps: collecting physiological signal data from a multi-source sensor chain through an edge computing node, extracting key features in a time sequence by using a signal decomposition algorithm, and generating an initial load feature vector; segmenting individual motion behavior data according to the initial load feature vector, extracting motion mode features by using a sliding window technology, judging the similarity between the converted feature vector and the initial load feature vector, and determining a preliminary load match if the similarity exceeds a preset threshold; obtaining real-time environmental parameters from an external environmental data chain, and fusing the environmental parameters and the preliminary load match result by using an adaptive weight algorithm; and the application aims to solve the problems of signal noise interference, insufficient feature extraction and data fusion distortion when processing multi-source heterogeneous data in the national physical fitness monitoring and whole-population health management scenarios.

The invention relates to the technical field of load measurement of engineering mechanical equipment, and discloses an excavator weighing method based on system identification, and the method comprises the steps: firstly setting working condition limitation: only a movable arm is lifted and a platform rotates, the action is stable, and the inclination of a vehicle body is less than or equal to 15 degrees; the mass and the mass center of accessories such as a hydraulic cylinder are superposed to a movable arm, a bucket rod and a bucket to obtain equivalent parameters, and a moment balance equation is established; the method comprises the following steps: collecting far-farther-middle-closer-near multi-attitude data, determining the upper and lower limits according to the physical meaning of parameters, solving by using a bounded constraint linear least square method, and substituting into a formula to calculate the mass of the material. The method is less in time consumption, and effectively improves the weighing precision and efficiency.

The present invention discloses a method and system for dynamically regulating the inter-chain interaction load in a multi-chain cross-chain scenario, which belongs to the field of cross-chain data interaction and cross-chain resource allocation of blockchains. The system of the present invention includes: a transaction request module, a load monitoring module, an execution mode selection module, and a cross-chain business execution module. The method of the present invention adopts a dynamically adjusted load measurement factor as a measurement standard, and can customize the different load types and degrees of each chain according to the load characteristics of the multi-chain system, so that the regulation method is applicable to various node types and application scenarios. The system of the present invention solves the load balancing problem of each chain in the context of cross-chain information transmission, improves the flexibility and information transmission efficiency of cross-chain and multi-chain systems, fills the gap in load allocation technology in the context of cross-chain communication, and not only has good versatility and practical value, but also has good reference significance.

The invention relates to the technical field of substation control, in particular to a dynamic load management method and system for a virtual power plant, and the method comprises the steps: collecting a to-be-managed load reactor signal; analyzing a presentation attribute of a to-be-managed load reactor signal in a time dimension, a presentation attribute of the to-be-managed load reactor signal in a wavelength dimension and a presentation attribute of the to-be-managed load reactor signal in a simulation dimension, wherein the simulation dimension is a low-dimensional feature dimension; performing index weighting operation on the presentation attribute in the time dimension, the presentation attribute in the wavelength dimension and the presentation attribute in the simulation dimension to obtain a management load value; and if the management load value meets a preset condition, determining that the to-be-managed load reactor signal is a reactor signal load, and filtering the to-be-managed load reactor signal. The transformer substation environmental load simulation analysis, determination and environmental load influence evaluation have important significance, and a load measurement result and a determination model can provide a basis for transformer substation construction and load control.

Systems and methods of performing object classification and identification at point of sale are provided. In one exemplary embodiment, a method is performed by a POS system having a load sensor and an optical sensor. The load sensor is operable to measure a load of an object while positioned on a load surface of the POS system. The optical sensor has a field of view associated with the load surface and is operable to capture an image. The method includes obtaining an image captured by the optical sensor that includes a target object and a load measurement associated with the target object performed by the load sensor while the target object is positioned on the load surface to enable object classification or identification of the target object based on object recognition of the target object from the captured image and a prediction of the target object from the load measurement.

The invention discloses a load identification method, system and device based on Radon transformation and deep learning and a storage medium, and the method comprises the steps: intercepting load measurement data, and converting the load measurement data into a load image through a Markov transfer field; de-noising processing is carried out on the load image containing noise by using wavelet transform; extracting image features of the de-noised load image by using Radon transform; dividing the image features into a training set and a test set, and performing normalization processing on the training set and the test set; and constructing a convolutional neural network, inputting the training set after normalization processing into the convolutional neural network to train the model to obtain a load identification model, testing the load identification model by using the test set after normalization processing, and performing load identification by using the tested load identification model. The method has the advantages of being easy to implement and high in recognition precision, and can be applied to the field of load regulation and recognition.

The invention relates to the technical field of dynamic load measurement, in particular to a load detection method and system for a multi-terrain damping suspension system, and the method comprises the steps: building a geometric correlation model; chassis attitude angle data and real-time suspension displacement data of the vehicle are obtained and input into the geometric correlation model, and a three-dimensional pose change vector is solved; an original strain signal is collected, dynamic signal separation is carried out in combination with the three-dimensional pose change vector, and a static load strain value is generated; performing geometric correction on the real-time suspension displacement data according to the three-dimensional pose change vector to generate a displacement characterization load value; detecting the current terrain environment type, and weighting the displacement characterization load value and the static load strain value to obtain an uncorrected real-time load value; and by taking the displacement representation load value and the static load strain value as references, learning to generate a nonlinear compensation parameter, and compensating and outputting a real-time load value in real time. According to the invention, the problem of dynamic load measurement distortion caused by multi-degree-of-freedom motion of the suspension system in a complex driving environment is effectively solved.

The application provides a flow load balancing method and device, electronic equipment, storage medium and product, comprising: receiving a message; the message carries a flow identifier of an AI large model training data flow to which the message belongs; if the flow identifier or the corresponding out port of the flow identifier is not found in a forwarding record table, the message is forwarded from a target out port with the largest available bandwidth among out ports meeting transmission conditions of the data flow, so as to realize flow load balancing of the out port; and the aging time of the forwarding record table entry is set to cover an iteration cycle of the AI large model training. The application can select a suitable port to forward the data flow based on the real available bandwidth of the out port without dividing the data flow by time intervals, instead of measuring the bandwidth and queue size of the port in real time, thereby improving the accuracy of load measurement, the load balancing effect, avoiding network congestion caused by uneven flow load of the AI large model training, and improving the efficiency of resource matching of overall business flow.

The invention provides a test apparatus, a display control method, and a computer program product. The test device includes a display control unit. The display control unit displays a load measurement value image, a load measurement chart image, and a load measurement mark image on a first area of a test monitor screen, the load measurement value image being an image indicating a measurement value of a load measured by the load measurement unit at a predetermined measurement time. The load measurement chart image is an image indicating the time series transition of the load measured by the load measurement unit during a predetermined measurement period including a predetermined measurement time point, and displays the change measurement value image, the change measurement chart image, and the change measurement mark image in a second region different from the first region. The change measurement value image is an image indicating a change measurement value measured by the change measurement unit at a predetermined measurement time point, and the change measurement graph image is an image indicating a time series transition of the change measured by the change measurement unit during a predetermined measurement period.

The invention belongs to the technical field of power data analysis, and relates to a method and system for screening steady-state operation condition periods of a thermal power generating unit. The method comprises the following steps: acquiring a load measuring point, and acquiring an analog measuring point meeting a unit load condition; selecting analog measurement points meeting set conditions from the analog measurement points, and taking the analog measurement points meeting the set conditions and the corresponding load measurement points as feature measurement points; selecting a set number of feature measurement points as a sliding window according to the time sequence, and obtaining the slope of a fitting straight line of the feature measurement points in three continuous sliding window intervals; judging the trend of the feature measurement points in each sliding window according to the slope of the fitting straight line; obtaining all upper inflection points and lower inflection points of the feature measurement points according to the trend of the feature measurement points; according to the upper inflection point and the lower inflection point, obtaining all stable time periods of the feature measurement point, obtaining an intersection of the stable time periods, and obtaining a stable working condition time period of the unit. And the stable operation time period of the unit can be accurately calculated.

The invention provides a load measurement system, a damage rate estimation system, a life prediction system, a load measurement method, a damage rate monitoring method, and a computer program product. The degree to which the load is applied to which tooth of the ring gear is measured. A load measurement system is provided with: a load detection unit that detects, in a movable part of a windmill provided with a ring gear having a plurality of teeth and a drive device, an applied load applied to the teeth of the ring gear by being applied with a driving force or an external force of the drive device via a pinion gear in a state of meshing with the pinion gear, the driving device is provided with a pinion meshed with the ring gear; and a position specifying unit that specifies, from among the plurality of teeth of the ring gear, a target tooth to which the applied load is applied.

A test apparatus includes a display controller. The display controller displays a load measurement value image indicating a measured value of a load measured by a load measurement unit at a predetermined measurement time point, a load measurement graph image showing a time-series transition of the load measured by the load measurement unit during a predetermined measurement period including the predetermined measurement time point, and a load measurement label image, in a first area of a test monitor screen. The display controller also displays a change measurement value image indicating a measured value of a change measured by a change measurement unit at the predetermined measurement time point, a change measurement graph image showing a time-series transition of the change measured by the change measurement unit during the predetermined measurement period, and a change measurement label image, in a second area different from the first area.

The invention belongs to the technical field of data processing, and particularly discloses a non-linear load measurement method, system and device and a medium, and the method comprises the steps: collecting physiological signal data from a multi-source sensor chain through an edge calculation node, extracting key features in a time sequence through a signal decomposition algorithm, and generating an initial load feature vector; according to the initial load feature vector, carrying out segmentation processing on the individual motion behavior data, extracting motion mode features by adopting a sliding window technology, judging the similarity between the converted feature vector and the initial load feature vector, and if the similarity exceeds a preset threshold value, determining that the load is preliminarily matched; acquiring real-time environment parameters from an external environment data link, and fusing the environment parameters and a load preliminary matching result by adopting a self-adaptive weight algorithm; the invention aims to solve the problems of signal noise interference, insufficient feature extraction and data fusion distortion when multi-source heterogeneous data is processed in national physique monitoring and total population health management scenes.

The control device according to the present disclosure includes a target spindle load designation unit that designates a target spindle load in an industrial machine that processes a workpiece, a spindle load measurement unit that measures the spindle load during processing in the industrial machine, a control gain setting unit that sets a control gain that adjusts the time it takes to reach the target spindle load, a feed spindle speed calculation unit that calculates a feed spindle speed such that the spindle load becomes the target spindle load, a load factor information acquisition unit that acquires spindle load factor information that is information that contributes to the spindle load in processing, a correction coefficient calculation unit that calculates a correction coefficient based on the spindle load factor information, a feed spindle speed correction unit that corrects the feed spindle speed by multiplying the feed spindle speed by the correction coefficient, and a control unit that performs adaptive control based on the feed spindle speed corrected by the feed spindle speed correction unit.

Methods and apparatus related to techniques for determining an idle power state are described. In an embodiment, power configuration logic determines a power state configuration for a portion of a processor. The power state configuration corresponds to a plurality of settings for operation of the portion of the processor during an idle period. Additionally, the power configuration logic determines the power state configuration at least in part based on one or more (e.g., runtime) workload measurements. Other embodiments are also disclosed and claimed.

The present invention discloses a control method for a building cold source system, comprising: predicting a load prediction value at time τ based on the load measurement value of the current unit combination at time τ-Δτ: forming a plurality of selectable unit combinations based on the load prediction value and the load value of the current unit combination; optimizing and calculating the operating parameters of each unit combination to obtain the operating optimization parameters of each unit combination; calculating the comprehensive operating power of each unit combination based on the load rate of each unit combination, and selecting a unit combination as the optimization result according to the comprehensive operating power. The present invention takes the comprehensive energy efficiency of the chiller as the goal, comprehensively optimizes the cold source system operation strategy composed of the start and stop of the unit, the load rate of each unit, the cold water supply temperature of each unit, the chilled water pump frequency corresponding to each unit, and the control frequency setting value of each cooling tower fan, so as to enable the cold source system to operate in a more efficient range while ensuring the cooling effect, thereby improving the system operation energy efficiency.

The invention discloses a user behavior association rule-driven load state recognition enhancement method, system and device and a medium, and belongs to the technical field of load state recognition, and the method comprises the steps: forming a situation unit comprising user behavior characteristics, situation characteristics and a load state; based on a plurality of situation units, mining user behavior features and association relationships between situation features and load states, and generating a situation rule base; screening candidate load state recognition results based on the initial confidence; determining a target load state recognition result from the candidate load state recognition results; and adjusting the initial confidence coefficient to obtain an updated confidence coefficient. According to the method, the situation unit is established by combining the user power utilization behavior characteristics, the environment situation characteristics and the load measurement data, the association rules among the user behaviors, the situation characteristics and the load state are mined and dynamically maintained, and the accuracy and stability of load state recognition under the condition that the user behaviors are complex and changeable or the environment changes can be improved.

The present invention discloses an adaptive heuristic grid clustering method suitable for non-intrusive load monitoring, including the following steps: S1, selecting low-frequency data and preprocessing, converting the selected data into a four-dimensional tensor containing total load, hour, week and month; S2, using a time window to perform event detection on the total load measurement sequence, generating a four-dimensional matrix containing event amplitude and time reference, and using a heuristic grid clustering algorithm to group the events, and different clustering results represent different states of the equipment during operation; S3, constructing a state transfer matrix according to the event grouping results and the state changes of each device during operation; reconstructing the energy consumption sequence of the equipment according to the energy consumption cycle of the equipment and the state transfer matrix, completing the estimation of the energy consumption of the equipment, and calculating the frequency of use of the equipment. The present invention has high accuracy and efficiency when processing household data, and can effectively separate the power loads of various types of electrical appliances.

It is determined which of the teeth of a ring gear are subject to a load and to what extent the load is exerted. A load measuring system includes: a load detecting part for use in a moving part of a wind turbine, the moving part including a ring gear with a plurality of teeth and at least one drive unit with a pinion meshing with the ring gear, the load detecting part being configured to detect an applied load that is exerted on a tooth of the ring gear due to application of an external force or a driving force of the drive unit via the pinion with the ring gear meshing with the pinion; and a position identifying part for identifying, from among the teeth of the ring gear, a target tooth subject to the applied load.

Provided are a method and apparatus for reporting a service capacity load parameter, the method comprising: a statistical capability and a reporting capability corresponding to a service capacity load parameter are issued to a network data analytics function (NWDAF); a subscription message sent by the NWDAF and used for acquiring the service capacity load parameter is received; the service capacity load parameter is determined according to the subscription message; and the service capacity load parameter is reported to the NWDAF. By means of the present disclosure, the problem in the related art that measuring a NF load according to a general load measurement parameter cannot accurately and real-timely reflect an NF service load change. By reporting the service capacity load parameter to an NWDAF, the NF service load change can be accurately and real-timely reflected.

The present invention belongs to the technical field of force monitoring between chain plates of a crawler driving structure for coal mine tunneling, and solves the problem that the dynamic load measurement of the existing coal mine crawler driving structure cannot be implemented; a dynamic load estimation method for cyclic dynamic stress measurement and transmission of the crawler driving structure is provided, the wireless signal transmission situation is obtained through HFSS simulation, and the structure of the metal matrix is optimized; and through the rigid-flexible coupling dynamics simulation method, the position where the stress change is the largest at the measured track link is determined, and the strain gauge is bonded at the deformation position found on the actual measured track link; finally, the dynamic load data is obtained through calculation, and the simulation model is corrected through multiple experiments and simulations. The present invention can realize the estimation of the dynamic load of the crawler driving structure and the health monitoring of the crawler driving structure through the combination of wireless transmission simulation, dynamics simulation and actual testing.