16results about How to "Improve user-friendliness" patented technology

The invention discloses a multi-scale feature fusion fault prediction method for a high-speed rail bearing. The method comprises the following steps: acquiring a fault vibration signal of the high-speed rail bearing through a vibration signal comparison technology; noise and interference signals of the high-speed rail bearing fault original vibration signals are removed through an adaptive filter; performing multi-level decomposition on the vibration signal by using wavelet packet decomposition, extracting sub-band signals of different frequency bands, calculating instantaneous frequency and energy distribution of the sub-band signals by using Hilbert-Huang transform, and forming a time-frequency-energy three-dimensional feature map; carrying out weight distribution on each feature dimension in the three-dimensional feature map by adopting a self-adaptive weighting algorithm; constructing a training data set through the time-frequency-energy three-dimensional feature map and the fault type label; and training the long short-term memory network LSTM by using the training data set, constructing a fault prediction model, and performing fault prediction on the high-speed rail bearing. According to the invention, accurate prediction of the high-speed rail bearing fault is realized, and the accuracy of fault detection is improved.

The invention discloses a person and post matching system based on candidate geographical location information and retail stores, and relates to the technical field of post matching systems. The candidate geographic position information and retail store-based person and post matching system comprises a candidate information management module, a retail store information management module, a commuting data analysis and path planning module, a candidate and store matching module and a result display and feedback adjustment module. By collecting and processing commuting modes and time period preferences of candidates, a commuting path is planned in combination with a map service API, and commuting time considering congestion and congestion influence is calculated, so that the matching accuracy and practicability are improved. In addition, the system also combines factors such as working experience, skills and the like to carry out matching result optimization, so that bidirectional selection is realized, and the matching satisfaction degree is improved. And the result display and feedback adjustment module enables the user to visually see the matching result.

The invention provides an aquaculture intelligent monitoring management system based on the Internet of Things technology, and relates to the technical field of aquaculture, and the system comprises a laying module which is used for determining a key position in an aquaculture environment, and laying a plurality of sensor nodes at the key position; the communication module is used for being in wireless communication connection with the plurality of sensor nodes so as to send the breeding data monitored by the sensor nodes; the data analysis module is connected with the communication module and used for receiving and analyzing the breeding data sent by the communication module and determining a dynamic correction value; and adjusting the position of the current sensor node by using the dynamic correction value to obtain a final position node. The intelligent level of aquaculture can be improved.

The invention provides an intelligent agent-based perioperative health education method for an elderly fracture patient, and the method comprises the steps: inputting multi-dimensional target dialogue content in a target interface of an intelligent agent in response to the elderly fracture patient based on a preset input form, analyzing the target dialogue content based on a preset natural language processing model to obtain a corresponding analysis result, generating personalized health education content corresponding to the target dialogue content according to the analysis result in combination with a preset target health education knowledge base, and determining an interaction mode of the elderly fracture patient for the identity category of the elderly fracture patient. And feeding back personalized health education content to the elderly fracture patient in real time based on an interaction mode, acquiring physiological data and feedback data of the elderly fracture patient, adjusting the personalized health education content based on the physiological data and the feedback data, and feeding back the adjusted personalized health education content to the elderly fracture patient in real time.

This application provides a takeover handling method, device, and equipment for autonomous vehicles, relating to the field of autonomous driving technology. The method includes: acquiring data to be filtered based on the driver's physiological and eye-tracking data within the current time window; filtering and calculating the data to be filtered according to multiple preset data indicators and data types to obtain data to be predicted; obtaining the driver's takeover recovery time based on the data to be predicted using a trained time prediction model; and upon confirmation that a warning time has arrived, acquiring a warning level matching a preset warning execution rule and executing a corresponding takeover request warning strategy to achieve a takeover warning reminder for the vehicle. This application's method obtains more accurate and representative data to be predicted by filtering and calculating physiological and eye-tracking data, obtains a more accurate takeover recovery time using a trained time prediction model, and issues a warning reminder, thereby improving driving safety.

The invention relates to a gas turbine performance analysis method and device based on an AI large model, and is applied to the technical field of gas turbines.The method comprises the steps that a user instruction is obtained, a gas turbine professional large language model is used for recognizing the user instruction, and whether the user instruction belongs to a performance analysis instruction of a gas turbine or not is judged; if not, outputting a corresponding query result; if yes, a corresponding performance analysis model is called, and a monitoring parameter list corresponding to each input physical quantity of the performance analysis model is extracted from a monitoring parameter set of the gas turbine; determining a final monitoring parameter list based on the Pearson correlation coefficients among all the monitoring parameters in the monitoring parameter list and the historical values of all the monitoring parameters; taking an average value of all monitoring parameters in the final monitoring parameter list as a target monitoring parameter of the input physical quantity; and inputting the target monitoring parameter corresponding to each input physical quantity into the performance analysis model, and outputting a performance analysis result. The efficiency and accuracy of performance analysis can be improved.

The utility model relates to pen formula injection device technical field, concretely is a kind of dose setting and correction structure and injection device, dose setting and correction structure include: shell and dose setting ring, the double-direction ratchet wheel engagement tooth slot of being provided on the inner wall of shell one end, multiple curved arms are provided on dose setting ring, double-direction ratchet wheel tooth is provided on curved arm;Double-direction ratchet wheel tooth and double-direction ratchet wheel engagement tooth slot engage;When dose setting ring rotates one unit cell in time, double-direction ratchet wheel tooth is separated from current double-direction ratchet wheel engagement tooth slot, enters next double-direction ratchet wheel engagement tooth slot and is engaged, completes the setting of one unit cell dose;When dose setting ring rotates one unit cell in reverse, double-direction ratchet wheel tooth is separated from current double-direction ratchet wheel engagement tooth slot, retreats to last double-direction ratchet wheel engagement tooth slot and is engaged, completes the correction of one unit cell dose.The utility model can realize correction under dose setting error condition, improve injection accuracy, improve the use friendliness of injection device.

The invention relates to the field of purging control methods, in particular to a low-temperature cold purging control method for a fuel cell system. The purging control method comprises the following steps: S1, after a fuel cell system enters a low-temperature shutdown state, firstly purging a fuel cell, and removing water on the fuel cell through purging; s2, after purging is finished, when the outlet temperature T of the fuel cell is higher than the temperature T1, the fuel cell does not enter a second-stage state; and when the outlet temperature T of the fuel cell is less than or equal to the temperature T1, entering a second-stage state. The cold purging time in the low-temperature cold start process can be shortened, and the use friendliness of a user is improved; the cold blowing broom proton exchange membrane can be effectively prevented from being blown too dry in the low-temperature cold start process, and the service life of a fuel cell system is prolonged; by means of the mode that the high-frequency impedance value of the final target cold start temperature is obtained through non-direct purging, the consumption of hydrogen can be effectively reduced, and the economical efficiency of fuel is improved.

The invention discloses a parameter weight determination method and device, equipment, a storage medium and a program product. The method comprises the steps that subjective weights of all factors influencing shale gas productivity are calculated through an analytic hierarchy process; through an XGBoost regression model, the objective weight of each factor influencing the shale gas productivity is obtained through calculation; performing consistency detection on the subjective weight and the objective weight of each factor; and when the consistency detection result is passed, calculating the comprehensive weight of each factor based on the subjective weight and the objective weight of each factor. Through the parameter weight determination method and device, the technical problem that the accuracy of parameter weight determination is low in the prior art is solved.

The invention discloses a control system for a disabled person to control a walking vehicle, and belongs to the technical field of disabled person auxiliary vehicle control. The system comprises a left foot control module, a right foot control module, an electric control system and two driving motors for driving a left wheel and a right wheel respectively. The left foot control module is used for receiving deflection operation applied by the left foot of the user and generating a steering control signal; the right foot control module is used for receiving a pressing operation applied by the right foot of the user and generating a speed control signal or a retreating control signal; the electric control system controls the two driving motors to realize steering at differential speed according to the steering control signal, and controls the rotating speed and steering of the motors according to the speed control signal or the retreating control signal so as to realize advancing, retreating and speed regulation of the vehicle. By means of independent separate control of the two feet, the person with the disabled upper limbs can safely and independently control the vehicle, the problem that the person with the disabled upper limbs cannot use a traditional control device due to the defects of the upper limbs is solved, and the device has the advantages of being easy and convenient to control, safe, reliable and high in adaptability.

A display control device according to an embodiment includes a display control unit that controls display of a setup screen for performing setup for machining in a machine tool, the setup screen including (i) a menu display part displaying a plurality of setup items in a selectable manner and (ii) a detail display part displaying an operation for each of the setup items. In control of display of the setup screen, while the setup screen is displayed, display of the setup items on the menu display part is maintained and display of the operation screens is switched on the detail display part in response to an operation input by an operator.

The invention relates to the technical field of automobile parts, in particular to an automobile emergency starting power supply with a protective structure, which comprises a power supply body, a female joint is arranged on the power supply body, a male joint is inserted into the female joint, a nut is sleeved on the male joint, a limiting ring is fixedly connected to the tail part of the male joint, and a protective cover is arranged on the limiting ring. A limiting face is arranged on the inner side of the head portion of the nut, an internal thread is arranged on the inner side of the nut, and an external thread matched with the internal thread is arranged on the female connector. A magnetic attraction-torsional spring-tooth meshing composite anti-loosening mechanism is innovatively adopted, intelligent response to a vibration environment is achieved, silence is kept under low-frequency micro-vibration, and fatigue caused by invalid actions is avoided; locking is automatically triggered under high-frequency strong vibration, the connection reliability is reversely enhanced through vibration energy, the limitation of a traditional passive resistance type anti-loosening mode is broken through, and the anti-loosening device is particularly suitable for the specific working conditions of high-frequency electromagnetic vibration and transient torque impact of the electric vehicle.

The invention discloses an intelligent water intake monitoring device suitable for various cups, and relates to the technical field of smart home and health monitoring. The intelligent water intake monitoring device suitable for various cups comprises a plastic shell, a silica gel sheath is arranged above the plastic shell, a hook-and-loop fastener is fixedly installed between the plastic shell and the hook-and-loop fastener, a drinking cup is arranged on the inner side of the silica gel sheath in a sleeving mode, a rubber protection sleeve is arranged on the outer wall of the plastic shell in a sleeving mode, and a battery cover groove is formed in the bottom of the plastic shell. The battery cover is arranged on the inner side of the battery cover groove, a battery installation groove is formed in the top of the battery cover, a button battery is arranged on the inner side of the battery installation groove, the pressure sensor is fixedly installed at the bottom of the inner side of the plastic shell, and the MCU and the wireless communication module are fixedly installed on the top and the bottom of the inner side of the plastic shell. The intelligent water drinking amount monitoring device suitable for various cups has obvious advantages in the aspects of applicability, precision, endurance, data transmission, user experience, data processing, cup protection and the like, and compared with the prior art, not only is the performance and practicability of the device improved, but also the requirement of a user for high-quality water drinking monitoring is met.

Hydraulic jacks are widely used in automotive repair and maintenance, equipment lifting, and outdoor emergency situations. Traditional manual push-button jacks are labor-intensive to operate. To address this, the industry has developed several wirelessly controlled electric-driven jack devices. This application integrates the lifting transmission structure and the cam-driven pressure relief structure onto the same reduction output shaft. The forward and reverse rotation of the motor achieves lifting and automatic pressure relief respectively, eliminating the need for additional electronically controlled pressure relief components. The overall structure is more compact and simpler, resulting in lower assembly costs. Furthermore, it eliminates the need for manual operation of the pressure relief valve, allowing operators to work without being close to the load-bearing area, effectively avoiding on-site operational safety hazards.

The invention relates to the technical field of grounding rod storage, in particular to a rapid grounding rod winding device and a use method.The rapid grounding rod winding device comprises a base component and a rotary winding component installed on the base component, and a support component is arranged on the side face of the base component; the rotary winding part is provided with a plurality of limiting clamping plates which are in one-to-one correspondence with the grounding rods for clamping, the upper end of the support part is provided with a limiting ring used for uniformly locking the upper ends of all the grounding rods, and the limiting ring and the axis of the rotary disc are located on the same straight line. Through an automatic winding mechanism, the winding efficiency and quality are remarkably improved, the manpower demand is reduced, stable installation and vertical winding of the grounding rod are ensured through the precise design of the limiting ring and the rotating disc, and the disassembly and assembly process is simplified. Due to introduction of pedal control, operation is further simplified, the two hands are released, and the flexibility and safety of operation are improved.

The invention provides portable sudden cardiac arrest clinical first-aid equipment. The portable sudden cardiac arrest clinical first-aid equipment structurally comprises a splicing structure, a host, an electric shock device, a communicating spool and a control panel, the splicing structure is arranged at the back part of the main machine, and the middle lower part of the surface of the main machine is connected with an electric shock device and is electrically connected with a control panel through a communication spool; on the basis of a splicing structure additionally arranged on the back of the main machine, the two sides of the linear rail can be covered through the limiting blocks on the edges of the connecting plates, and then a fixing body is inserted from the side edge of the stretcher to slide in a parallel sliding-in mode according to the rectangular shape in combination with the auxiliary blocks in the linear rail; after a vertical groove in the center of a solid block of the fixing body is aligned with the center of the lower layer of the stretcher, an adsorption block is pushed in through a plastic shell, and the effects of fixed connection with the stretcher and mutual restraining of a limiting block are achieved, so that the first-aid equipment is combined with the stretcher to achieve the convenient effect; the emergency equipment is located in the center of the lower layer of the stretcher without affecting normal folding of the stretcher.