68results about How to "Prevent overload" patented technology

The invention discloses a crisscross optimization robust model predictive control method for an automatic sweeping robot. The crisscross optimization robust model predictive control method is adaptive to a trajectory tracking system with parameter uncertainty. According to the method, a discrete time controlled system with parameter uncertainty, a reference trajectory system and a tracking error system are constructed, performance evaluation indexes are defined, the stable control gain range of a basic RMPC controller is determined by solving a minimum and maximum optimization problem and linear matrix inequality constraints, and a multi-objective optimization function is combined in the range to achieve the stable control of the RMPC controller. The optimal additional control gain is iteratively searched by means of a crisscross algorithm, an optimized controller is formed, the stability and the dynamic performance are considered, the influence caused by parameter uncertainty can be overcome, the rising time and the adjusting time of trajectory tracking are remarkably shortened, the tracking error and the energy consumption are reduced, and the tracking efficiency is improved. And the dual requirements of the automatic sweeping robot on real-time response and control precision are met.

This application relates to the field of stone crusher technology, specifically disclosing a high-efficiency and energy-saving stone crusher crushing chamber structure, including a crushing chamber body, a power mechanism, and a return spring. The power mechanism includes a drive motor, belt, pulley, drive rod, eccentric wheel, and eccentric shaft. The power mechanism is arranged on the outer surface of the crushing chamber body, and the return spring is arranged in the inner cavity of the crushing chamber body. This invention uses protective components to buffer and intercept high-speed flying stone materials, preventing stone materials from flying out of the machine and effectively absorbing the impact energy of the stone materials. It can issue an alarm when a large-force splash occurs, facilitating maintenance by operators. The anti-clogging component can actively guide and assist the discharge of materials in the crushing chamber, disturbing the accumulated materials from different angles. Smooth discharge can also reduce the frequency of manual unclogging, improve the working environment, and enhance production safety and automation levels.

The application provides an AI computing power allocation method, system, device, storage medium and program product, and relates to the technical field of data processing. The AI computing power allocation method determines the corresponding target AI algorithm model based on the service demand of the target reasoning service in real time, and then dynamically matches the target computing power resource used to load the target AI algorithm model by combining the processing demand of multiple AI algorithm models, the preset adaptability rules of various heterogeneous computing power resources, and the current use state of the various heterogeneous computing power resources, so as to realize dynamic allocation of AI computing power resources, avoid computing power resource overload or idling, improve computing power resource utilization, reduce task reasoning delay, and thus improve data processing capability.

The utility model discloses a kind of semitrailer tarpaulin devices, comprising: semitrailer floor, the top of the semitrailer floor is fixedly connected with vertical plate, the top of the vertical plate is fixedly connected with top plate, the top of the semitrailer floor is fixedly connected with the side of head baffle;Top shielding component, the top of the head baffle is fixedly connected with the side of top shielding component, side shielding component, the side of the vertical plate is fixedly connected with the side of side shielding component, the tail shielding component is used to adopt tarpaulin shielding to the tail of semitrailer, the utility model relates to tarpaulin device technical field.The semitrailer tarpaulin device, by the setting of top shielding component, by driving motor directly driving threaded block drives the rotation axis of far end to move outward, first tarpaulin is spread over the top of entire semitrailer, and first tarpaulin is carried by multiple rotation axes, can evenly share tarpaulin quality, avoid causing equipment overload in moving process.

This utility model discloses a torque-limiting wrench, including a grip handle and an actuating disc. The grip handle has a movable cavity, and the movable cavity has a reset assembly. The reset assembly includes a connecting spring and a movable push rod. One end of the connecting spring is mounted on the movable push rod, and the other end of the connecting spring is mounted on the bottom of the movable cavity. A plurality of actuating grooves are evenly distributed circumferentially around the center of the actuating disc. The actuating disc is mounted on the grip handle via a connecting assembly. The connecting assembly includes a connecting support, a rotating connecting rod, and a rotating connecting head. The connecting support is connected to the grip handle, the rotating connecting rod is mounted on the connecting support, and the rotating connecting head is mounted on the rotating connecting rod. This design ensures that the torque applied to the working tip of the device is within a safe range, preventing damage to the device or affecting the fixing effect due to excessive or insufficient torque.

The utility model discloses a kind of off-highway dump truck auxiliary braking systems, belong to off-highway dump truck braking technical field, including the hydraulic clamp disc type auxiliary brake of being installed in middle axle and rear axle transmission shaft, and the hydraulic control unit consisting of hydraulic power unit, auxiliary brake valve, energy accumulator and connecting pipeline;Hydraulic power unit connects steering hydraulic oil tank and auxiliary brake valve, and energy accumulator supplies high-pressure oil to auxiliary brake valve to auxiliary brake to release brake.The system is mainly used to improve off-highway dump truck parking brake safety and braking force, applicable to the vehicle of design load 90 tons below, provide redundancy brake guarantee for off-highway dump truck, realize quick response auxiliary brake when main brake fails.

This invention provides a signal synchronization method, system, and storage medium, relating to the field of communication technology and applicable to signal synchronization systems. The signal synchronization system includes a main control module, multiple acquisition modules, and multiple synchronization modules, which are cascaded sequentially. The signal synchronization method includes: a main control module distributing a unified reference clock and a unified reference time to the acquisition modules; acquisition modules acquiring sampled data from air signals, generating data streams based on the sampled data, and distributing the data streams step-by-step to the next acquisition module or the next synchronization module; and synchronization modules selecting at least one data stream from the received multiple data streams as the data to be synchronized and performing synchronization processing on it. This invention distributes data from each module step-by-step to the next level module, effectively avoiding the overload problem caused by centralized synchronization processing, thereby ensuring signal synchronization accuracy in complex scenarios.

This invention discloses a traction winding and unloading device, belonging to the field of roll material production technology. The device includes a traction device, a floating fly knife device, a dual-shaft alternating winding device, and an unloading device. The traction device has edge trimming and tension adjustment functions. The floating fly knife device is equipped with a floating roller assembly and an L-shaped flipping guide groove to achieve clamping traction during cutting and automatic knife lifting after cutting. The dual-shaft alternating winding device realizes alternating winding of the two air-expanding shafts at two workstations through a flipping disc and a clamping assembly, and is equipped with a moving pressure roller that adjusts with the roll diameter. The unloading device consists of a moving trolley, a shaft pulling device, and an unloading trolley, which can automatically complete full roll grabbing, shaft pulling, air release unloading, and transfer. This invention realizes full-process automation from traction, edge trimming, fixed-length cutting, continuous winding to automatic unloading, and has the advantages of high production efficiency, good cutting and winding accuracy, stable operation, and wide applicability. It is suitable for the continuous production of roll materials such as film, non-woven fabric, paper, and aluminum foil.

The utility model belongs to the field of energy and power engineering, and particularly relates to a circulating water energy efficiency conversion device which comprises an energy efficiency conversion pipeline body, a waterproof shell is fixedly installed on one side of the energy efficiency conversion pipeline body, a transmission hole is formed in one side of the energy efficiency conversion pipeline body, and a sealing rubber ring is fixedly installed on the inner side of the transmission hole. A transmission shaft is rotationally mounted on the inner side of the sealing rubber ring; the transmission shaft is fixedly sleeved with a hollow rotating disc, and six guide grooves are formed in one side of the hollow rotating disc. The positions of the blades can be adjusted by observing the flow of circulating water in a pipeline, when the flow of the circulating water fluctuates, the radial positions of the blades are adjusted to change the flow receiving area, it is ensured that the blades efficiently capture water flow energy, overload when the flow is too large or sudden reduction of efficiency when the flow is too small is avoided, and the output power of the device can be rapidly changed. Stable transition is achieved, and equipment is protected against impact.

The quantitative powder conveying equipment comprises a conveying cylinder, the upper end of the conveying cylinder is fixedly connected with a material storage cylinder and a discharging cylinder, the discharging cylinder is communicated with the interior of the conveying cylinder, a material conveying auger is rotationally connected into the conveying cylinder, a sleeve is rotationally connected into the material storage cylinder, the lower end of the sleeve is open, and the lower end of the sleeve is provided with a material conveying screw. A sliding rod is slidably connected into the sleeve, a material guide plate is fixedly connected to the end of the sliding rod and makes contact with the inner wall of the connecting pipe in an attached mode, and a reset mechanism for driving the material guide plate to reset is arranged in the sleeve. Through the movement of the material guide plate and the reset of the spring, when powder is accumulated to a preset weight, the material guide plate is pressed by gravity to move downwards, slotting blanking is carried out, and after the powder is reduced, the spring drives the material guide plate to reset, close and stop blanking, in the process, the reciprocating motion of the material guide plate can realize the purpose of quantitatively blanking the inside of the conveying cylinder, an auger is prevented from being overloaded, and the service life of the conveying cylinder is prolonged. And continuous conveying of the device is maintained.

The utility model discloses a kind of adhesive mixing stirrers for paperboard coating, including stirring tank, the outside of stirring tank is equipped with temperature control component for controlling temperature to adhesive, one end of the temperature control component extends to the inside of stirring tank, the outside of stirring tank is equipped with air-blowing component for air-blowing in stirring tank, one end of the air-blowing component is communicated with one end of temperature control component, the outside of stirring tank is equipped with power component for providing power, one end of the power component extends to the inside of stirring tank, the utility model is by for hot melt adhesive and other temperature sensitive raw materials, system can quickly stabilize temperature to target interval, ensure that adhesive chemical reaction is fully, viscosity is stable, bonding strength and drying speed after coating are all improved, temperature control and stirring collaborative design expand multi-scene application, compatible normal temperature, high temperature, low temperature and multiple types of glue preparation, function applicability is greatly improved compared with traditional equipment.

The application discloses a low-temperature self-adaptive intelligent emergency starting power supply and a control method thereof. The emergency starting power supply comprises an internal energy storage unit, an output interface unit, a working condition sensing unit, a power conversion unit, an active thermal management unit and a microprocessor unit. The control method acquires the real-time internal resistance and static voltage of the target battery and the ambient temperature through the working condition sensing unit, and activates the self-heating function in a low-temperature environment. The microprocessor unit matches the preliminary waveform based on a feature database, and corrects the feature sequence of the optimal discharge waveform by using the real-time internal resistance of the target battery. In the pulse output process, the real-time terminal voltage drop rate of the target battery is monitored in real time, and the duty cycle of the optimal discharge waveform is dynamically adjusted, or the pulse output is terminated. The application realizes a closed loop of sensing, preheating, matching, correction and feedback, improves the starting success rate in an extremely cold environment, and ensures the safety of the equipment and the target battery.

This invention discloses a method, device, and medium for predicting public transport carbon emission factors per passenger. The method includes: constructing bus stop-level, bus link-level, and bus route-level influencing factors; using these factors as input factors, processing them through a routing mechanism, calculating the routing score for each input factor, and then assigning each input factor to a corresponding expert sub-model to predict the corresponding public transport carbon emission per passenger. The method also involves identifying key factors for public transport carbon emissions and / or determining the coupling effect between pairs of input factors. Context-sensitive frequency and call balance are introduced to evaluate the local and global load of the expert sub-models, and the impact of expert switching on the prediction output is quantified through expert perturbation sensitivity.

This application provides a method, system, medium, program product, and terminal for adaptive construction and allocation of distributed computing tasks in a computing layout. The method involves dividing a full-size computing layout to obtain several computing layouts and corresponding computing tasks. For computing tasks that fail to execute, the method divides them into several sub-tasks corresponding to several sub-layouts, and re-executes these sub-tasks until all sub-tasks are successfully executed. For successfully executed computing tasks, the method collects their execution information and pre-divides or merges unexecuted computing tasks. Finally, after all computing tasks have been completed, the several computing layouts are merged and output. This avoids the problem of program termination due to excessive memory consumption and automatically adjusts to the most suitable partition size, thereby optimizing computational efficiency.

The application relates to the underwater propeller technical field, in particular to a self-cleaning anti-winding underwater propeller, which comprises a shell, a first detection mechanism and a second detection mechanism, the shell is internally provided with a propeller body, the top of the shell is provided with an electric connection seat used for being connected to a water area equipment, the first detection mechanism comprises an extension pipe connected to the shell, the free end of the extension pipe extends to a propelling end of the propeller body, a detection rod is slidably arranged in the extension pipe, the fixed end of the extension pipe is provided with a signal switch used for electrically controlling the water area equipment and the propeller body, one end of the detection rod extends to the fixed end of the extension pipe and approaches the signal switch, the other end of the detection rod extends to the propelling end, when the underwater propeller is used, the double-protection purpose is achieved, when a light signal sensor or the signal switch fails, another set of detection mechanisms can also complete detection, the underwater propeller can avoid obstacles, and the detection effect is improved.

This application relates to the technical field of structural dynamics testing equipment, and discloses a device and method for combined control of magnetorheological fluid and metal spring sheet for drop hammer impact testing. The device includes: a test bench comprising a rigid base, a vertical support column, and a horizontal fixed beam; a drop hammer system for lifting and releasing the drop hammer body; a combined control loading system for providing stiffness support; a uniformly distributed load transfer system for receiving the impact load and converting it into a line load for transfer to the beam / column component under test; a parameter monitoring system for data acquisition; and a control system for controlling the release of the drop hammer body and adjusting the current of the excitation coil. This invention, by employing the combination of magnetorheological fluid and metal spring sheet, and utilizing the synergistic effect of the continuously adjustable damping of the magnetorheological fluid and the stiffness support of the metal spring sheet, can achieve impact pulse trimming, thereby avoiding the shortcomings of traditional airbag and rubber loading methods, such as narrow control range and low precision.

This application relates to a method and system for controlling tobacco material stacking, comprising: real-time acquisition of key stacking data and control of stacking state initiation based on stacking initiation conditions; during stacking state initiation, dynamically controlling the conveyor belt speed for seven-stage stacking based on core detection data and stacking state data; real-time acquisition of stacking state data, controlling stacking state cessation based on the key stacking data and stacking cessation conditions, and initiating downstream equipment based on the initiation count accumulation sequence; and controlling conveyor belt shutdown and stacking state recovery based on real-time material accumulation, normal accumulation, and stacking warning values. Using the technical solution of this application, it is possible to accurately determine stacking initiation conditions to avoid uneven initial stacking, dynamically adjust conveyor belt speed to ensure uniform distribution of seven-stage stacking, accurately stop stacking and link downstream equipment through count accumulation, and also enable emergency shutdown and safe recovery, ensuring safe and continuous stacking.

This application discloses a method, system, device, and medium for displaying map content, relating to technical fields such as map applications. The method for displaying map content includes: acquiring basic urban information and urban landmark information; constructing an urban landmark database based on the basic urban information and urban landmark information; determining the number of urban landmarks and landmark display priority data based on the urban landmark database; determining landmark display parameters based on the number of urban landmarks and landmark display priority data; and displaying the landmarks on an electronic map based on the landmark display parameters.

This invention discloses a continuously variable transmission (CVT), specifically relating to the field of transmission technology. It includes a housing with an adjustment component on it. The adjustment component includes a connecting cover at one end of the housing, and an angle-adjustable ball joint hinged within the connecting cover. A first shift lever is located at the bottom of the ball joint. Through angle adjustment of the ball joint, and the linkage between a slider and a concave block, the first and second shift levers slide laterally, allowing for real-time fine-tuning of the meshing depth between the first and second connecting wheels and the linkage gear. This dual adjustment structure works synergistically, breaking the limitations of traditional segmented speed regulation. It enables seamless switching of the transmission ratio within a preset range. Furthermore, the high-precision angle control of the servo motor combined with the micron-level displacement adjustment of the ball joint ensures that the transmission ratio meets the corresponding control requirements, satisfying the needs of high-precision speed regulation scenarios.

The application discloses a kind of based on thing networking's wisdom building energy consumption management and equipment monitoring system, belong to building intelligent management technical field.System uses layered distributed architecture, is composed of perception layer, network transmission layer, edge computing layer, platform application layer, terminal control layer;Perception layer realizes energy consumption, equipment, environmental global data acquisition, network transmission layer uses wired wireless dual-mode communication to guarantee data transmission, edge computing layer realizes local instant processing and emergency control, platform application layer realizes cloud big data analysis, visual management, intelligent strategy generation, terminal control layer realizes equipment automation regulation and control.The application overcomes the defects of traditional building management energy consumption waste, operation inefficiency, data isolation, insufficient intelligence, can realize building energy consumption accurate measurement, dynamic analysis, intelligent regulation and control, equipment full period monitoring, fault early warning, automation operation, effectively reduce building energy consumption, reduce operation cost, improve operation safety, applicable to various office buildings, shopping malls, communities, parks and other buildings, with excellent novelty, creativity and practicality, meet the development needs of green low-carbon building.

The application discloses a distributed adaptive framing output method based on large-range remote sensing images, and relates to the technical field of remote sensing image processing. The preprocessed large-range remote sensing images are stored in a COG format, the framing size and quantity are dynamically adjusted in combination with the target area range and resolution, the tasks are distributed by a data locality perception scheduler after Z-order curve sorting, the computing nodes load the framing data with a buffer area, the framing data is interpreted by a random forest, and the buffer area is cropped, finally, the virtual data set is aggregated, efficient distributed parallel processing of the large-range images is realized, the I / O bottleneck and the computing resource limitation are effectively relieved, the context missing problem on the framing boundary is solved, the intelligent interpretation efficiency and precision are improved, and the multi-resolution on-demand rendering and elastic expansion are supported to adapt to the data scale growth.

The invention relates to the technical field of information system authority control and access management, and discloses a hierarchical authority adaptive access control method and device based on a student information system, and the method comprises the steps: analyzing a user access log, extracting a daily access record, carrying out the statistics of the number of times of access in each time period, and marking a high-frequency access interval; counting key peak intervals for the high-frequency access intervals to generate a time domain behavior set; comparing the role association data with the time domain behavior set, and determining a personalized behavior feature description set; extracting a time rule to generate a temporary permission rule list; according to the system resource occupation data, dynamically adjusting permission rules, and generating an optimized permission rule combination; sequencing according to a time rule to generate a permission allocation sequence; and updating the permission storage structure and automatically executing permission granting operation. According to the method, self-adaptive permission allocation based on the user behavior mode and the system load can be realized, and the system security and the resource utilization rate are improved.

The utility model discloses a kind of pressure relief components of automobile oil pump, including pump body, the pump body is provided with pressure relief mechanism, the pressure relief mechanism includes pressure relief sleeve, pressure relief pipe, set pressure spring, abutment ring, push plate, connecting rod and pressure regulating mechanism, pressure relief sleeve is fixed in pump body top surface, pressure relief pipe is fixed in pressure relief sleeve bottom surface and is in-depth in pump body set pressure spring is connected in pressure relief sleeve inner wall, pressure relief mechanism is through the synergistic effect of pressure relief sleeve, pressure relief pipe, set pressure spring, abutment ring, push plate and connecting rod arranged on pump body, forms a quick response pressure release system, when the pressure in oil pump pressure oil cavity exceeds preset threshold value, pressure pushes push plate to move and makes sealing ring separate from sealing groove, forms pressure relief passage, effectively prevent the gear overload and power consumption increase problem caused by the internal pressure of oil pump is too high, reduce pipeline vibration and noise simultaneously, improve the working reliability and service life of oil pump.

This invention relates to a storage I / O multi-path routing method and system based on Cgroup tracing, belonging to the field of data storage technology. It solves the problem of performance degradation caused by the inability of existing multi-path routing to perceive business priorities and isolate abnormal traffic. The method includes: obtaining the Cgroup identity information to which the I / O request belongs, and then determining the path channel type corresponding to the I / O request; path channel types include: dedicated channels, isolated channels, and general channels; determining the physical path set corresponding to the path channel type from multiple pre-divided physical path sets, where different path channel types correspond to different physical path sets; selecting a physical path from the physical path set as the target path, and sending the I / O request to the storage device through the target path. This achieves business-aware, accurate multi-path routing, improving business performance.

This invention discloses an indoor integrated support bracket and its construction method adapted to multi-disciplinary pipelines, belonging to the field of indoor pipeline installation technology in building engineering. It includes a fixed channel steel, connecting rods, and fixing components. One side of the fixed channel steel is fixed to a preset indoor position. There are two connecting rods, one end of which is connected to the other side of the fixed channel steel through fixing holes. There are several fixing components, each with its two ends connected to two connecting rods. This invention, using the above structure and corresponding methods, provides a structure and method for multi-disciplinary integration, load control, and standardized construction. It achieves the goals of reducing material usage, improving space utilization, ensuring construction safety, and shortening the construction period.

The application provides a kind of energy supply box hoisting structure, belongs to energy supply box hoisting technical field, structure includes: bearing beam, including two cross beams and a longitudinal beam connected between two cross beams;Debugging component, including four respectively sliding fit in two cross beams two ends of slider;Slider lower end is connected with sling, its end is connected with lifting hook;Driving component, including two groups respectively set in longitudinal beam two sides of linear mechanism;First locking component, including two sliding fit in longitudinal beam on matching block, each matching block lower end is rotatably connected to a connecting rod;Longitudinal beam middle part is slidably provided with guide rod, the other end of two connecting rods is rotatably connected to the lower end of guide rod;Guide rod upper end is provided with lifting ring;Matching block upper end is connected with the strip plate located above bearing beam and arranged parallel to cross beam;Second locking component is used to fix two matching blocks when strip plate and two sliders on adjacent cross beam are separated by a predetermined distance.The hoisting structure can improve the hoisting efficiency and stability of energy supply box.

This invention discloses a dynamic boundary-aware power allocation method for a hybrid propulsion system, comprising: establishing a high-precision transient dynamic boundary prediction model and uncertainty quantification; generating a dynamic constraint set, enhancing the state space, and adaptive target formulation; establishing an upper-level adaptive guidance module based on risk-sensitive fuzzy inference; and designing and executing a lower-level power allocation strategy based on the PPO algorithm. This invention addresses the problems of insufficient safety margin and slow solution efficiency of existing static strategies under transient conditions by introducing a real-time perception strategy for the transient dynamic operating boundaries of the turboshaft engine and lithium battery, ensuring that the system achieves power allocation that balances transient operational safety and optimal global energy efficiency in complex transient flight missions.

This invention relates to the field of ship dynamic positioning technology, specifically disclosing a method and system for ship dynamic positioning control applicable to diesel engine-driven vessels. The method includes: S1: acquiring environmental data, calculating the total environmental load force, and determining the upper limit of the thruster and its corresponding upper limit of the diesel engine speed; S2: determining the lower limit of the theoretical diesel engine speed based on the upper limit of the diesel engine speed, and calculating the lower limit of the diesel engine speed and its corresponding lower limit of the thruster thrust based on the lowest stable diesel engine speed; S3: acquiring the initial thrust requirement of the thruster, determining the final thrust of the thruster based on the initial thrust requirement, the upper limit of the thruster thrust, and the lower limit of the thruster thrust, and driving the thruster through the diesel engine according to the final thrust of the thruster to achieve ship positioning control. This invention can fully utilize the high thrust advantage of diesel engines and avoid the shortcomings of slow speed adjustment, balancing thrust requirements and response speed without changing the hardware.

The application relates to the field of railway tunnel electromechanical engineering, and discloses a switching and load balancing control method for a railway tunnel dual backup power supply system, which comprises the following steps: acquiring power grid operation state parameters of a railway tunnel power supply section and a real-time power consumption sequence of load equipment; if any parameter in the power grid operation state parameters exceeds a preset threshold range, starting the dual backup power supply system; acquiring current environmental thermal state parameters and equipment operation parameters of the first generator set and the second generator set, and obtaining a first load carrying capacity index and a second load carrying capacity index; constructing a load demand matrix according to the real-time power consumption sequence; generating a load distribution strategy for the first generator set and the second generator set; and performing a switching operation of the load equipment according to the load distribution strategy, and adjusting the output power proportion of the two generator sets through closed-loop feedback during operation to realize load balancing control.

This utility model discloses a stable automotive wiring harness, relating to the field of automotive component technology. It includes a base, a top mount, a connecting rod, a screw, an insulating pad, a sliding cylinder, a rotating rod, a pulley, a transmission belt, a limiting frame, a sliding frame, and a connecting cylinder. Specifically: the base serves as the fundamental support for the entire device, supporting and securing other components; the top mount works in conjunction with the base to apply uniform pressure to the automotive wiring harness 14 for clamping and fixing; the connecting rod is positioned between the base and the top mount to transmit force and enhance the overall structural stability; the screw passes through the top mount and connects to the base, allowing for height adjustment of the top mount through rotation. This utility model provides a stable automotive wiring harness 14, which, through optimized structural design, significantly improves the stability and reliability of the automotive wiring harness 14, adapting to the installation requirements of different wiring harness specifications, ensuring efficient clamping and stable operation, and providing important support for related technical fields.