20results about How to "Reliable design principle" patented technology

The application provides a kind of power grid equipment three-dimensional twin model slice simplification method based on visual relationship, belong to power grid three-dimensional visualization technical field, the method steps: the data format of power grid equipment three-dimensional model is unified and is parsed;Construct power grid equipment three-dimensional model object instantiation information;From model data, texture is compressed;Using octree structure is handled to model data slice and vertex optimization and monomer;According to octree structure, the model slice data after processing is merged, generates each level LOD;In three-dimensional network application end, according to the format requirement, the device and component instantiation of multiplexing are instantiated, load power grid equipment three-dimensional model in current window current level LOD data rendering.The application is compressed model vertex and texture data, multiplexing device and component instantiation, and load the LOD of current window, realizes the efficient transmission, loading and rendering effect of power grid equipment three-dimensional model data in the application without plug-in.

This application relates to a supplementary lighting system and method for climate chambers, belonging to the field of artificial climate chamber technology, to solve the problems of low accuracy in judging lighting needs and poor effectiveness in utilizing natural light in existing climate chamber supplementary lighting. The method includes: collecting signals of natural light intensity, incident direction, and photosynthetically effective spectral distribution; constructing a comprehensive lighting judgment value to determine the lighting needs; comparing the incident direction with the optimal light-incident direction of the light guide plate and initiating the rotation adjustment of the tracking light beam; and combining the transmission effect feedback calibration of the fiber optic light guide system. This application achieves accurate judgment of lighting needs and efficient utilization of natural light through the synergy of multi-dimensional signal acquisition, comprehensive judgment, directional light tracking, and transmission calibration, solving the problems of poor adaptability and high energy consumption caused by single-parameter detection and fixed light guides in traditional supplementary lighting.

This invention belongs to the field of vehicle technology, specifically providing a system and method for multiplexing the output shaft speed of an engineering vehicle's transmission. The system includes a vehicle controller, a vehicle instrument cluster, and a transmission controller connected via a CAN bus. The vehicle controller is connected to a transmission input shaft speed sensor via a first relay. The vehicle controller is also connected to a transmission output shaft speed sensor via a second relay. A third relay is connected to both the vehicle instrument cluster and the second relay. The transmission controller is connected to both the first and second relays. The vehicle controller controls the operation of the corresponding relays based on the transmission type configured in the vehicle, connecting the signal paths of the corresponding sensors. After the sensor signal paths are connected, the vehicle controller determines the operating mode and controls the relevant relays accordingly. This provides accurate and reliable speed values, effectively improving the safety of the upper structure's operating mode.

This invention belongs to the field of server upgrade management technology, specifically providing a system and method for implementing dual BMC switching upgrades. The system includes a motherboard and an I / O switching board. The motherboard has a master BMC, and the I / O switching board has a slave BMC and a path selection chip. The path selection chip is connected to a network interface and is connected to both the master and slave BMCs via a PHY chip. The slave BMC is connected to the path selection chip and is used to control the path selection of the path selection chip. The slave BMC is used to connect to the module to be upgraded. The path selection chip, controlled by the master BMC via I2C and Heartbeat, selects whether network control belongs to the master or slave BMC. Thus, when the GPU needs to be managed and upgraded in S5 state, network control can be switched from the master BMC to the slave BMC, thereby completing the switching of the slave BMC's management upgrade path.

This utility model relates to a rainfall monitoring and alarm device, belonging to the field of rainfall monitoring technology. It includes an outer detection cylinder with an open top, and an inner detection cylinder vertically arranged inside. The bottom of the inner detection cylinder has several through holes connecting the inner and outer cylinders. A detection funnel is located at the top of the inner detection cylinder, and an electrode assembly is installed inside the funnel. The electrode assembly is connected to an alarm component on the outside of the outer detection cylinder via wires. An installation hole is provided on the side wall of the inner detection cylinder above the funnel, and an overflow pipe is fixedly installed in the installation hole. One end of the overflow pipe extends into the funnel, and the other end extends to the bottom of the outer detection cylinder. This utility model, by combining a mechanical structure with electrical signals, avoids the problem of impurities easily clogging the complex structure of tipping bucket sensors, and also overcomes the defect of electronic flow meters being easily affected by environmental interference.

The present application belongs to the technical field of vehicle control, and specifically provides a heavy desert tire inflation and deflation control system and method, which comprises an inflation and deflation control module, a tire inflation and deflation control assembly, a left tire pressure sensor, a right tire pressure sensor, a left axle load measurer, a right axle load measurer, a left axle ground clearance detector, a right axle ground clearance detector, a gravity centroid sensor, an inter-wheel differential lock and an inter-axle differential lock; the present application acquires corresponding vehicle state data of the vehicle through the left tire pressure sensor, the right tire pressure sensor, the gravity centroid sensor, the left axle load measurer, the right axle load measurer, the left axle ground clearance detector and the right axle ground clearance detector; in addition, the present application increases the tire-ground contact ratio by deflating the tire, reduces the tire rolling radius to increase the driving force of the vehicle, and engages the inter-axle differential lock and the inter-wheel differential lock, thereby effectively helping the vehicle to drive out of the sunken road surface in the desert.

This invention relates to the field of server technology, specifically providing a method, system, terminal, and storage medium for dynamic monitoring of hard disk performance. The method includes: setting a matching hard disk performance data collection frequency for a business scenario based on the performance requirements of that scenario; monitoring the actual business scenario of the server and obtaining a target collection frequency matching the actual business scenario; periodically collecting hard disk performance data by calling a hard disk performance data collection script according to the target collection frequency; and using pre-stored standard performance data to determine anomalies in the hard disk performance data and identifying the data as abnormal. This invention can flexibly update the hard disk performance monitoring frequency according to the server's business scenario, thereby avoiding resource waste or untimely hard disk performance monitoring.

This invention relates to a sensor sampling device, method, terminal, and medium based on a constant current source, belonging to the field of vehicle sensor technology. It includes a control module, a sensor sensing element, and an external power supply. The control module comprises a main controller, a first-stage step-down circuit, a constant current source circuit, an internal pre-drive circuit, a first switch, a second switch, and a sampling circuit. By setting the first switch and the internal pre-drive circuit, this invention ensures that after power-on, the constant current source circuit reaches a constant output. Then, the first switch is opened, and the second switch is closed, allowing the constant current source circuit to provide a stable, constant current output to the sensor sensing element, thereby improving the sampling accuracy of the sensor sensing element.

This application relates to a servo electric cylinder drive system and control method for a waste hopper cover door, belonging to the field of mechanical engineering. It addresses the problems of existing waste hopper cover door drive control methods being complex in structure, low in intelligence, and lacking reliable position holding and safety protection mechanisms. The method includes: upon receiving an opening / closing command, first unlocking the power-off holding safety lock; then driving the cover door to move via the servo electric cylinder; combining encoder displacement feedback with closed-loop adjustment of motor torque and speed; real-time monitoring of load torque and execution of a micro-reverse anti-jamming algorithm; using both encoder and proximity switch signals to determine the positioning status; upon positioning, mechanical locking is achieved by a reset spring driving a locking pin to engage with the drive shaft groove; if locking is incomplete, automatic retry is performed, ultimately entering the power-off holding state. This application achieves opening and closing control and intelligent locking of the waste hopper cover door through the above method, improving the overall system safety.

The utility model relates to a kind of DTU edge gateway equipment, belong to communication equipment technical field, including central processing circuit, USB interface circuit, ethernet communication circuit, RS485 communication circuit, CAN communication circuit, input-output circuit and the power supply circuit for the power supply of entire equipment, central processing circuit includes gateway chip U1 and the peripheral subcircuit connected to gateway chip U1, USB interface circuit, ethernet communication circuit, RS485 communication circuit, CAN communication circuit and input-output circuit are all with gateway chip U1 communication connection.The utility model integrates USB interface circuit, ethernet communication circuit, RS485 communication circuit and CAN communication circuit, can simultaneously support multiple communication protocols, such as USB, ethernet, RS485 and CAN etc.;Greatly improve the data interaction efficiency and the interconnection intercommunication ability between equipment.

This invention belongs to the field of vehicle braking technology, specifically providing a brake pad wear diagnosis method based on a fuzzy neural network. The method includes: determining characteristic variables of brake pad wear thickness as input variables; constructing an initial brake pad wear diagnosis model based on a fuzzy neural network; acquiring training samples and inputting them into the initial brake pad wear diagnosis model, and determining a final brake pad wear diagnosis model using an adaptive particle swarm optimization algorithm; inputting the input variables into the final brake pad wear diagnosis model to calculate the brake pad wear thickness and remaining thickness; determining whether the remaining brake pad thickness is less than a preset minimum brake pad thickness threshold; obtaining the brake pad wear thickness using a brake pad wear prediction model established based on a fuzzy neural network, and optimizing the model parameters using an adaptive particle swarm optimization algorithm; and calculating the remaining thickness based on the wear thickness, thereby achieving real-time monitoring and diagnosis of brake pad wear in the absence of a brake pad thickness sensor.

The application provides a kind of server overall performance comparison test method, device, equipment and medium, belong to server performance test technical field, the method steps: the limit stress value when server sample is collected to carry out stress test, and record whether server sample can normally run under limit stress value;Extract the data characteristics corresponding to server sample when testing under safe stress value;Based on the training data set constructed by the data characteristics when running under safe stress value and the corresponding running results of limit stress value;Build BP neural network model, and use training data set to train, obtain data classification model;Extract the data characteristics corresponding to server safe stress value, and input server stress test classification model to data characteristics, predict whether server limit stress value can normally run.The application can predict whether server limit stress value can run by trained server stress test data classification model under server safe stress.

This invention relates to a distributed energy collaborative optimization method based on a cloud-edge-device architecture, belonging to the field of smart microgrid technology. Technical solution: S1. Define a four-layer cloud-edge-device architecture; S2. Information transmission stage: Information is reported upwards and circulated and transmitted at the same level; S3. Demand optimization stage: Demand is decomposed downwards and optimized collaboratively at the same level; S4. Energy flow stage: Energy is aggregated upwards and interacts and communicates at the same level. This invention, through its designed four-layer cloud-edge-device architecture, enables distributed energy to shift from centralized control to active participation in demand response. Based on this, a distributed energy collaborative optimization method based on the cloud-edge-device architecture is further designed, achieving full-domain collaborative optimization of distributed energy. Firstly, it reduces the response error of distributed energy; secondly, it effectively reduces the response time of distributed energy, solving the problem of excessive computing power in traditional centralized control; and thirdly, it reduces the operating cost of distributed energy, addressing the high operating cost of distributed energy.

The application relates to a power system carbon index joint evaluation method and device based on an edge perception graph neural network, and belongs to the field of power systems, aiming to solve the problems of low evaluation efficiency, weak coordination between node and line carbon indexes, low integrated output degree and poor consistency of multi-index parallel output of existing carbon index evaluation. A running condition sample set is constructed, five types of carbon index labels are generated through power flow calculation and carbon emission flow analysis; the power system is abstracted into a graph structure, node and edge features are extracted to construct a training data set; an edge perception graph neural network is constructed to fuse the node and edge features; carbon indexes are output through double-channel decoding; the model is trained using a joint loss function to realize rapid carbon index evaluation. The application realizes integrated joint evaluation of node and line carbon indexes, improves evaluation efficiency and output consistency, solves the problems of poor adaptability and slow response of traditional evaluation, and can support high-frequency near-real-time calls.

This invention relates to the field of storage cluster technology, specifically providing a method, system, terminal, and storage medium for monitoring the arbitration status of a storage cluster. The method includes: constructing a first bitmap based on the connection relationship between controllers and arbitration devices in the storage cluster; constructing a second bitmap based on the information of activated controllers in the storage cluster; determining whether the first bitmap covers all controller information in the second bitmap: if yes, the arbitration status is considered normal; if no, the arbitration status is considered abnormal. This invention can monitor the connection status between the storage cluster and the arbitration device in real time, and report an alarm when an anomaly is detected, prompting the customer to repair it promptly and avoiding losses due to arbitration failure in the event of a split-brain scenario.

The present application relates to the technical field of server, and specifically provides a kind of server power information verification method, system, terminal and storage medium, comprising: the actual power information of target server is collected;Decompose the parameter item of power information to generate multiple levels of comparison items;From the actual power information, sample data belonging to comparison item is collected, and the consistency comparison of the sample data and the pre-stored standard data is carried out;The data consistency comparison result of all comparison items is summarized and output.The present application can realize the multi-aspect verification of the power information of server, ensure that there is no difference between the actual power information of shipment server and the database maintenance power information, avoid the situation of missing detection and error detection, find and solve problems before shipment, improve product quality and avoid loss.

The present application relates to steel metallurgical sintering process technology, and in particular to a sintering flue gas SCR denitration control method and system, comprising: matching a corresponding level for the NOx concentration based on pre-set concentration size level division rules; monitoring the fluctuation value of the NOx concentration; generating a basic ammonia injection amount corresponding to the NOx concentration based on pre-set theoretical ammonia injection amounts corresponding to each concentration size level and the actual level of the NOx concentration; calculating a flow adjustment value based on pre-set fixed parameters and the fluctuation value; and outputting the sum of the basic ammonia injection amount and the flow adjustment value as an ammonia injection target value. The present application divides the NOx concentration value into different levels, each level having a different control strategy, and accurately obtains the ammonia injection flow adjustment value by analyzing the time correlation between the fluctuation values, thereby solving the problem of ammonia injection hysteresis.

This invention relates to a sintering machine trolley elastic slide travel detection and reset system and method, belonging to the field of metallurgical technology. It includes a sintering machine trolley, with its base fixed to an elastic slide. The elastic slide is connected to a sealing oil plate via a support spring. A travel detection mechanism is installed above the sealing oil plate, electrically connected to a controller. The controller is electrically connected to a main control display and a reset actuator. The travel detection mechanism detects the reset status of the sealing oil plate and transmits the data to the controller. If the sealing oil plate fails to reset normally, the controller controls the actuator to force the sealing oil plate to reset, and transmits the data to the main control display in real time. This invention can automatically detect the working status of the elastic slide and accurately reset abnormal elastic slides, effectively avoiding accidents caused by fixed slide breakage due to elastic slide abnormalities. This greatly improves the stability of the sintering machine trolley operation and further ensures production efficiency.

The application belongs to the technical field of server display, and specifically provides a server early lighting display architecture and method, the architecture comprising a CPU, a BIOS chip, a BMC chip and a power supply module; the CPU is connected with the BIOS chip, and is used for controlling the CPU by writing code into the BIOS chip; the CPU is connected with the BMC chip; the BMC chip is used for directly connecting to an external display and / or connecting to a remote virtual desktop through a network to realize local and remote virtual display functions of a server system; the power supply module is connected with the CPU and the BMC chip respectively; and the power supply module is used for sending a power supply completion signal to the CPU and the BMC chip. The server user can intuitively and quickly know the state of the server, the usability and maintainability of the server are improved, and the method is less limited by platforms.

The application provides a switching system and method for a server multi-port UART switch, and belongs to the technical field of server UART interface switching.The system comprises a UART debugging interface, a UART sending switch, a UART receiving switch, an automatic baud rate detection module, a UART sending signal generation module, an unlocking module, a UART interface and at least two external devices;the UART sending switch and the UART receiving switch are connected with the UART debugging interface and each external device;the UART sending switch is also connected with the UART interface;the automatic baud rate detection module is connected with the UART interface, the UART sending signal generation module and the unlocking module;the unlocking module is connected with the UART sending switch and the UART receiving switch;and the UART sending signal generation module is connected with the UART receiving switch.The application facilitates selection of a UART signal source from a PC end and issuance of a debugging signal.