17 results about "Learning curve" patented technology

This invention belongs to the fields of computer technology and on-demand delivery technology, and provides a method, device, and electronic device for analyzing rider learning curves based on causal inference. The method includes: sending a data request carrying rider identification to an on-demand delivery platform via a data interface, and receiving multiple completed order data for riders corresponding to the rider identification; constructing a theoretical rider learning curve model, wherein the theoretical rider learning curve model uses the total delivery time in the completed order data as the dependent variable, the cumulative number of orders as the independent variable, and at least one of seven factors—delivery distance, order price, restaurant waiting time, temperature, humidity, visibility, and wind speed—as control variables; solving for the model parameters of the theoretical rider learning curve model using multiple completed order data and storing them in a database in association with the rider identification; calculating and outputting the rider's learning rate based on the model parameters. The introduction of a learning curve effectively depicts the growth trajectory of the rider's learning process.

This utility model discloses a stairwell mobility aid, relating to the technical field of stairwell elevators. It includes a base with a control module connected inside. A pedal is rotatably connected to the bottom of the base, and the pedal is connected to a drive structure. A seat is connected to the top of the base. A switch for controlling the drive structure is located below the seat. The seat and switch abut against each other, and both the switch and drive structure are electrically connected to the control module. This utility model minimizes space occupation. When not in use, the pedal and seat can be folded vertically along with the backrest. Its overall thickness is small, significantly reducing obstruction of public corridor passages. It unfolds with a single button press; pressing down the button on the seat automatically drives the pedal to unfold horizontally, requiring zero learning curve. The base employs a double safety interlock, with a mechanical interlock between the seat and pedal to prevent the dangerous situation of "pedestal retraction before the person is properly seated." A light sensor on the handrail detects ambient light before allowing the system to power on.

The application discloses a kind of cryotherapy equipment for retinal detachment outer road repair, it is related to ophthalmic medical equipment technical field, including host computer, gas delivery connector, gas delivery tube assembly and cold therapy pen assembly, cold therapy pen assembly includes pen holder, probe connection base, cryoprobe and cover, probe connection base is fixedly arranged in pen holder, cryoprobe is threadedly connected with pen holder, cover also is provided with the threaded portion of threadedly connected with pen holder, magnet is magnetically connected on the outside of pen holder, magnet is provided with liquid bag, liquid bag is communicated with one end of marker liquid catheter, the other end of marker liquid catheter is fixed on the outside of cryoprobe.The application can realize the integration of retinal hole cryocondensation fixation and positioning mark simultaneously, eliminate the operation pressure of extremely short positioning window, significantly improve the operation accuracy, reduce the risk of failure, can make operator single hand can complete cryocondensation+marking operation, without assistant cooperation and instrument switching, shorten operation time by more than 30%, reduce learning curve.

This invention discloses a digit counter based on key-based indicator lights and its counting method, belonging to the technical field of counting devices and training tools. The digit counter includes number keys (1-10), a number key 0, a flashing light key, a decimal point key, lights, a switch, and a control chip. Each number key has a light and a switch; the switch controls the lights of all number keys less than or equal to their number to illuminate, and the lights of number keys greater than their number to turn off. Number key 0 controls the power on / off, the flashing light key controls the flashing mode, and the decimal point key controls the decimal point light's on / off state. The control chip detects key presses and controls the lights' on / off state. Carry and borrow are achieved manually by adding or subtracting 1 from the higher digits, without automatic chip control. The counting method includes power on / off, manual counting, flashing light mode, carry, borrow, multi-digit flash reading training, sequential memory training, software simulation, and mental arithmetic training steps. This invention features a simple structure, convenient operation, quiet and portable design, and strong training appeal. It can replace traditional abacus and mental arithmetic training methods, reducing the learning curve and making it suitable for various scenarios such as mathematics teaching, intelligence training, concentration training, daily calculation, mental arithmetic training, and prevention and treatment of Alzheimer's disease.

The application discloses a multi-modal logistics capacity dynamic scheduling method and device for large-scale extraterrestrial facility construction and a storage medium, the method aims at the problems of high single rocket transportation cost and long single space elevator construction period, constructs a whole life cycle cost coupling model integrating a cumulative transportation quantity learning curve and a technology maturity evolution law, adopts a discrete global traversal algorithm to perform multi-dimensional weighted optimization on a construction period and a system total cost in a feasible time domain, determines a global optimal time threshold of capacity mode switching, and introduces a physical disturbance model to correct the robustness of a scheduling scheme. The system automatically generates phased dynamic scheduling instructions based on the optimal time threshold, assigns high-frequency rockets to fill the capacity gap in the early construction period, and switches to a space elevator dominant transportation in the operation period. Through the peak-shaving complementary mechanism of heterogeneous capacity, the application solves the multi-objective conflict of transportation cost and engineering period, and realizes the automatic planning and optimization of the logistics scheme of extraterrestrial infrastructure construction.

This invention belongs to the field of medical device technology, and specifically discloses a musculoskeletal ultrasound puncture navigation device, comprising: an ultrasound probe with a slit on its side, and a laser for emitting infrared light disposed inside the slit; a glove detachably connected to the side of the ultrasound probe; and a tensioning device including a fixing ring, a pressure ring, a pushing assembly, and a resetting assembly, wherein the fixing ring is detachably fitted onto the ultrasound probe near its bottom end, and the pressure ring is horizontally located at the top of the fixing ring. This invention, by placing a laser within the slit of the ultrasound probe, allows the laser to emit a single line of infrared light that completely overlaps with the ultrasound imaging plane during puncture operations, thereby directly projecting the virtual imaging plane onto the body surface. This solves the problem of the disconnect between the screen image and the actual body surface, intuitively marking the puncture path, significantly reducing the operational threshold, shortening the learning curve for physicians, and enabling novices to quickly achieve accurate punctures.

This utility model relates to the field of spring tape bonding technology, specifically a spring tape bonding machine, including a worktable. A slide rail is fixedly connected to the top of the worktable. A bonding component is provided at the front end and top of the slide rail. The bonding component includes a groove formed at the front end of the slide rail. A slide table is slidably fitted inside the groove. A limit rod is fixedly connected to the top of the slide table. A connecting plate is movably passed through the top of the limit rod. A return spring abuts against the bottom of the connecting plate and the top of the slide table. The beneficial effects of this device are: through the cooperation of the slide rail and the bonding component, Mylar sheet bonding operations of multiple spring workpieces can be performed at one time, replacing manual bonding one by one. This allows the separation of the base film and the Mylar sheet and the bonding of the Mylar sheet to the spring workpiece to be completed in one step, thereby improving the continuity of processing, optimizing the operation process, reducing the learning curve, and ensuring the uniformity of product quality.

The application provides a kind of municipal maintenance work order overtime degree prediction method and system, the method first obtains municipal maintenance work order data and divides discrete feature data therein into fixed class type data and fixed sequence type data, then label, one-hot encoding and leave-one-out method encoding are used to encode fixed class type data and fixed sequence type data respectively, then the continuous feature data in municipal maintenance work order data is normalized, and the normalized and encoded data is used as training set sample, then SMOTE+Tomeklinks method is used for data balancing, the balanced training set sample is trained to establish gradient boosting tree model, and the gradient boosting tree model is adjusted using bayesian optimization algorithm, then the learning curve is used to test the generalization performance of the gradient boosting tree model, the gradient boosting tree model that passes the generalization performance test is used as the optimal gradient boosting tree model, and then the overtime degree of municipal maintenance work order is predicted, which effectively improves the efficiency of work order processing.

This invention provides a method, apparatus, and computer device for generating database operation statements. By using a chained approach to call application programming interfaces (APIs) to generate input instructions, it simplifies the learning and development process for developers. By passing the fields required by the APIs called by the input instructions through method references, it achieves compile-time type checking, avoiding runtime exceptions caused by spelling errors or table structure changes. By generating ORM-compatible database operation statements from the input instructions based on the mapping relationship between entity classes and the database, it eliminates the need for inheriting specific classes, configuring numerous annotations, or generating auxiliary classes, enabling seamless integration into existing application systems. This invention addresses the pain points of traditional SQL generation tools, such as complex syntax, high code invasiveness, high integration costs, and steep learning curves, providing developers with an efficient, secure, and flexible solution for dynamically constructing database operation statements, thus supporting enterprise digital transformation.

This invention discloses a BIM-based method, apparatus, equipment, and medium for manufacturing door and window components. The method includes: acquiring a target door and window component that a user wishes to manufacture; generating at least one prompt message based on the target door and window component according to a preset program, and pushing the at least one prompt message to the user one by one, wherein each prompt message is used to instruct the user to input a corresponding design operation according to the door and window manufacturing process; receiving at least one design operation performed by the user according to the at least one prompt message; generating at least one door and window model in response to the at least one design operation; and generating and displaying the target door and window component based on the door and window model generated by each design operation when the user completes all the design operations indicated by the prompt messages according to the door and window manufacturing process. This reduces the user's learning curve and provides a better experience and higher efficiency for designers and project developers.

The application provides an ablation device and a readable storage medium, the ablation device comprising a controller, an energy generation module, a blood pressure detection module and a medical catheter; the energy generation module is configured to provide ablation energy to the medical catheter; the blood pressure detection module is configured to collect first blood pressure data within a first preset time window before surgery, and collect second blood pressure data within a second preset time window after each ablation; the controller is configured to: obtain preoperative heavy beat wave amplitude information according to the first blood pressure data; after each ablation, obtain post-ablation heavy beat wave amplitude information corresponding to the ablation according to the second blood pressure data after the ablation, and determine whether the target blood vessel needs to be continuously ablated after the ablation according to the preoperative heavy beat wave amplitude information and the post-ablation heavy beat wave amplitude information corresponding to the ablation. The application can help the operator to judge the immediate ablation effect during surgery, effectively reduce the learning curve of the operation, and improve the operation response rate and safety.

This invention discloses a dynamic learning rate prediction method based on EEG signal and action analysis, comprising the following steps: S1, collecting and preprocessing the operator's EEG signals and video data of the operation process; S2, quantifying and calculating key factors such as action complexity ε, attention frequency coefficient φ, and operation time T; S3, designing an orthogonal experiment, using the energy characteristics of the EEG signal as the response variable, to analyze the significance of the influence of ε, φ, and T on the learning rate; S4, based on the orthogonal experiment results, establishing a multiple regression model with ε, φ, and T as independent variables and the learning rate as the dependent variable, to obtain the dynamic learning rate function f(ε,φ,T); S5, integrating the dynamic learning rate function f(ε,φ,T) into the learning curve model to form the EEG-MOD dynamic learning rate prediction model. This invention can respond in real time to changes in the operator's physiological cognitive state with a dynamic learning rate mapping function and prediction model, achieving high-precision adaptive prediction of work hours and improving the reliability of production efficiency assessment and production scheduling.

This invention relates to a color-layered perler bead guidance method, applied to intelligent perler bead auxiliary devices. The method includes: acquiring and standardizing the target pattern, establishing a mapping table of "pixel coordinates - standard perler bead color codes"; color-based pattern layering processing, generating a layer queue for color-guided progression, with each layer containing only pixel coordinate information for a single color; single-layer guidance LED matrix lighting drive control, illuminating only the corresponding points of the current layer at a time, while other points are turned off, achieving single-layer single-color dedicated guidance; single-layer verification and automatic switching to the next layer, cyclically advancing the guidance process. This invention, through the core logic of color layering and single-layer single-color sequential guidance, solves the problems of multi-color confusion, high misplacement rate, frequent color switching, and low production efficiency in existing technologies. It supports automatic / manual dual-mode guidance, has strong adaptability, and a low learning curve.

This invention relates to a five-axis 3D offline programming system, specifically designed for the laser cutting industry. The system employs advanced 3D simulation technology to provide a precise and efficient offline programming solution. Through five-axis control technology, it achieves multi-axis linkage (X, Y, Z, U, V, etc.) to meet the processing needs of various complex parts. The system boasts powerful line drawing capabilities, supporting graphic line drawing, small hole setting, and multi-angle drilling operations. The core algorithm has been optimized, significantly improving cutting capabilities while simultaneously enhancing programming efficiency and processing accuracy. The system exhibits high stability and a user-friendly interface, effectively reducing the learning curve for operators. Its strong adaptive function allows it to adjust itself according to changes in the processing flow, improving production efficiency. It is applicable to multiple fields such as machinery, electronics, metals, plastics, and aerospace, helping enterprises achieve efficient and rapid programming and production, reducing programming and production costs, and improving product quality and production efficiency.

The application discloses an endoscope suture device for minimally invasive surgery and belongs to the technical field of medical devices, comprising a mounting piece, a first clamping piece and a second clamping piece arranged on the mounting piece, characterized in that the first clamping piece is used for releasably clamping one end of a suture needle, the second clamping piece is used for releasably clamping the other end of the suture needle, and the first clamping piece and the second clamping piece are of the same structure; the mounting piece is provided with a first driving mechanism for driving the first clamping piece to open and close and a second driving mechanism for driving the second clamping piece to open and close, and the first driving mechanism and the second driving mechanism are of the same structure and are independent of each other. The application has the effects of avoiding instrument collision and interference, reducing the difficulty of two-hand coordination and learning curve, and improving the convenience of operation under a two-dimensional field of view.