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135 results about "Adaptive environment" patented technology

Damping crawler type unmanned mobile platform

The invention discloses a damping crawler type unmanned mobile platform. The damping crawler type unmanned mobile platform comprises a vehicle body, a module carrying platform body and two sets of crawler wheel mechanisms. The module carrying platform body is arranged at the center of the top face of the vehicle body, a module mounting position is reserved on the module carrying platform body, and different modules can be carried according to the task requirements, such as manipulators and batteries. The two sets of crawler wheel mechanisms are symmetrically arranged on the left side and the right side of the vehicle body. Five damping mechanisms are arranged below the inner portion of each crawler wheel mechanism, vibration of crawler wheels can be reduced, and accordingly stress applied on the crawlers is even. According to the damping crawler type unmanned mobile platform, the crawler travelling mechanisms are designed by adopting an integrated mode that motors are buried in the crawler wheels, the structure is compact, the space use ratio is high, the damping crawler type unmanned mobile platform can passively adapt to the environment by additionally arranging the damping mechanisms, it is ensured that the unmanned mobile platform can still travel stably and not bump on the ground surface with barriers, and the structure is simple, practical and reliable.
Owner:NANJING UNIV OF SCI & TECH

Task unloading intelligent decision-making method based on unmanned aerial vehicle group in edge computing environment

The invention discloses a task unloading intelligent decision-making method based on an unmanned aerial vehicle group in an edge computing environment. The method comprises the following steps that (1) environment information is acquired; (2) meta-learning is carried out, and if it is found that the environment of an edge server or a cloud center changes, initial parameters of the model are modified; (3) a retrieval mechanism and reinforcement learning are carried out, the retrieval mechanism is responsible for retrieving whether similar tasks exist before or not, and if yes, a decision resultis directly output; and if not, reinforcement learning is carried out, the reinforcement learning is responsible for training and judging the whole reinforcement learning system, two used modules arenetwork freezing and experience playback, and the action with the maximum value function after judgment is taken as a decision result to be output. According to the scheme, the meta-learning model isadopted to quickly adapt to the environment, and when the environment of the decision-making system is changed, the scheme can be quickly adjusted and a reasonable result can be quickly given. For the similar tasks of the unmanned aerial vehicle group, a memory function is introduced in the scheme, and rapid decisions can be made for the similar tasks.
Owner:TIANJIN UNIV

Ultra-dense heterogeneous network small station coding cooperative caching method based on value function approximation

The invention discloses an ultra-dense heterogeneous network small station coding cooperative caching method based on value function approximation. The method includes the following steps: adopting areinforcement learning method based on value function approximation, expressing a value function as a function of state and action, taking the operation of maximizing the number of file requests directly served by the average cumulative small stations as an optimization objective, continuously interacting with the environment to adapt to the dynamic changes of the environment, mining a potential file request transfer mode, obtaining an approximate expression of the value function, and further obtaining a cooperative caching decision that matches the file request transfer mode; and encoding thecooperative caching decision by a macro base station, and transmitting encoded cooperative caching results to each small station. The scheme of the invention formulates the caching decision by meansof the transfer mode of the file requests in a real network mined by reinforcement learning, does not need any assumptions about the prior distribution of data, and is more suitable for an actual system; and moreover, through the real-time interaction with the environment, the time-varying file popularity can be tracked, the corresponding caching strategy is made, the process is simple and feasible, and the operation of solving NP-hard problems is not required.
Owner:SOUTHEAST UNIV

Multi-source data fusion method for low-speed small target detection system

The invention relates to a multi-source data fusion method for a low-speed small target detection system, and belongs to the technical field of radar information detection. The multi-source data fusion method includes six implementation steps, aiming at low, slow and small target track characteristics, calculates the single-source track quality data in real time, distributes a fusion weight in a self-adaptive manner according to the track quality data, is high in adaptability to complex and changing environment backgrounds, can utilize multi-radar cooperative detection to the maximum extent, can bring the advantages of multi-sensor networking detection into full play, can effectively improve the detection precision and the detection stability of low, slow and small target tracks, can savenetworking resources, and can improve the environment adaptability of the multi-source information fusion method. The multi-source data fusion method solves the problems that a weighted average fusionmethod is adopted in an existing multi-sensor multi-source information fusion method, and initially gives a weight coefficient, so that the method is difficult to adapt to the influence of environmental interference in low, slow and small target detection, and the fusion result precision is not high due to unreasonable setting of the weight coefficient, and networking resources are wasted.
Owner:JINGZHOU NANHU MACHINERY CO LTD

Automatic monitoring method and device, terminal equipment and computer storage medium

The invention discloses an automatic monitoring method and device, terminal equipment and a computer storage medium. The method comprises the following steps: making a service provided by a monitoringsystem into a Docker mirror image package and an application template, and deploying the monitoring system into a Kubernetes platform based on the Docker mirror image package and the application template; monitoring a new application deployed on the Kubernetes platform, and when the new application is provided with a metrics interface, registering the new application into Prometheus of a monitoring system so as to start a monitoring service for the new application; acquiring monitoring data acquired by Prometheus, and inputting the monitoring data into the trained machine learning model to obtain an alarm judgment result. According to the invention, cloud native and Kubernetes technologies are utilized, and a machine learning model is combined to realize automatic discovery and registration of monitoring services and automatic learning of monitoring thresholds, so that the method can adapt to environment automatic alarm; the work of operation and maintenance personnel is reduced, andthe change of application deployment is better adapted.
Owner:FENGHUO COMM SCI & TECH CO LTD

Epsilon-greed based online sequential perceiving and opportunity accessing method

ActiveCN103179675AMaximize long-term cumulative throughput gainsIncrease the speed of learningWireless communicationDecision takingOnline learning
Disclosed is an epsilon-greed based online sequential perceiving and opportunity accessing method. In each time slot, users perceive channels sequentially and get access opportunistically to realize transmission. The method includes a step of initializing relative parameters and making access decisions based on online learning in each time slot, and has capabilities of learning environments actively and adapting to dynamic changes of environments. In addition, the method is an online decision implementing method, and the next decision is adjusted in real time according to each decision and feedback by systems, so that long-term accumulated throughput gain of the systems is maximized.
Owner:COMM ENG COLLEGE SCI & ENGINEEIRNG UNIV PLA

Micro-bionic hexapod robot based on 3D printing technology

The invention discloses a micro-bionic hexapod robot based on a 3D printing technology. The micro-bionic hexapod robot comprises a robot body bearing member, six three-degree-of-freedom foot mechanisms and a robot-mounted control circuit board, wherein the robot-mounted control circuit board is assembled inside the robot body bearing member, and the three-degree-of-freedom foot mechanisms are respectively assembled at the six top points of the robot body bearing member; each of the three-degree-of-freedom foot mechanisms comprises a hip bone member connected with the robot body bearing member, a thigh member, a shank member and a double-link mechanism linked with the shank member; and the robot body bearing member, the hip bone member, the thigh member, the shank member and the double-link mechanism are manufactured by the 3D printing technology. According to the micro-bionic hexapod robot disclosed by the invention, the 3D printing technology is utilized, so that various kinds of complicated robot body members can be manufactured, the convenience for structural modification of the robot is improved, and the micro-bionic hexapod robot has the advantages of being small in volume, light in weight, centralized in quality load, high in motion control precision, low in price, high in environment adaptability, and the like; and after the topology between a control circuit and a robot body is further optimized, the micro-bionic hexapod robot can be widely applied to the fields of teaching and entertainment.
Owner:SHANGHAI JIAO TONG UNIV

Adaptive environment targeting

Systems and methods provide adapted content to a visitor to a physical environment. An example method receives an image of a visitor to an environment. A visitor portion of the image is distinct from an environment portion of the image. The method detects one or more shapes in the visitor portion of the image using an automatic shape detection technique and defines an approximate boundary of the one or more shapes using a mask. The one or more shapes can be shapes of the visitor's clothing items. The method then calculates an attribute for an area of the image within the mask and identifies electronic content based on the attribute for the area of the image within the mask. The attribute can be a color attribute for the area such as a median color or a dominant color. The method provides the identified electronic content for display in the environment.
Owner:ADOBE INC

Target tracking and hunting method for unmanned aerial vehicle group adaptive environment

The invention discloses a target tracking and hunting method for an unmanned aerial vehicle group adaptive environment, and the method comprises the following steps: (1), building a multi-agent collaborative planning model through employing an MADDPG algorithm, and achieving the tracking and hunting of a target through the unmanned aerial vehicle group; and (2) when the unmanned aerial vehicle group approaches the threat area, performing autonomous adjustment and re-planning on the positions of the unmanned aerial vehicles by using a GA algorithm to avoid entering the threat area, wherein the survival rate of the unmanned aerial vehicles is improved, and meanwhile, a hunting task is completed. A layered hunting model is established and divided into two layers: a hunting layer and a multi-agent training layer. The unmanned aerial vehicle group interacts with the environment in real time, so that the current environment state can be obtained at any time. The surrounding layer determines whether to adjust the formation from the current state, and calculates a surrounding position distribution scheme. Aiming at the dynamic change of the environment and the task, the task execution success rate is improved in the relatively complex environment with the threat, meanwhile, the surrounding position is autonomously changed to avoid the threat area, and the risk of the unmanned aerial vehicle group is reduced.
Owner:SICHUAN UNIV

Three-dimensional gait self-synchronizing and self-stabilizing method based on control strategy

A three-dimensional gait self-synchronizing and self-stabilizing method based on a control strategy presented by the invention mainly comprises a simple inverted pendulum model, defining virtual constraints, using a control strategy in periodic walking gait, stabilizing periodic walking gait through vertical oscillation, and extending the attributes to a real model of a humanoid robot. Firstly, virtual constraints are defined for the vertical position of a component object model in a simple inverted pendulum model; secondly, a control strategy for guiding self-synchronization is used in the constant-height periodic walking gait of the component object model; thirdly, the periodic walking gait is stabilized asymptotically through vertical oscillation of the component object model of the pendulum model; and finally, the attributes are extended to a real model of a humanoid robot. By using a self-synchronization control strategy, the walking speed, efficiency and adaptability to environment are improved. Moreover, the coordination is stronger, the stability is higher, and the method can be put into application more easily.
Owner:SHENZHEN WEITESHI TECH

10KV oil-immersed transformer

The invention provides a 10KV oil-immersed transformer. The 10KV oil-immersed transformer comprises an oil tank, an iron core, windings, insulating sleeves and an oil temperature measuring device. Transformer oil for cooling and insulating the windings is arranged in the oil tank. A high-permeability crystal orientation cold rolling silicon sheet is adopted in the iron core. The iron core is a core-type iron core. The windings are each of a multilayer cylinder type structure. The oil tank is provided with a conservator for storing and replenishing oil for the oil tank. The conservator is a capsule type conservator. The oil temperature measuring device is arranged at the top of the oil tank. The oil tank is provided with a pressure relief valve. The side wall of the oil tank is a corrugated wall. Dust is sprayed to the surface of the oil tank, and a film is painted to the surface of the oil tank so that an outer protective layer can be formed. The 10KV oil-immersed transformer is low in cost, easy to maintain, good in heat dissipation, high in overload capacity and wide in adaptive environment. It is guaranteed that oil does not need to be replaced when the oil-immersed transformer normally runs, the maintenance cost of the transformer is greatly reduced, and meanwhile the service life of the transformer is prolonged.
Owner:STATE GRID CORP OF CHINA +3

HOG feature and FAST algorithm-based eyes positioning method

The invention discloses an FOG feature and FAST algorithm-based eyes positioning method. The method comprises the following steps of: loading a trained SVM model file; obtaining the ith frame image to be positioned, and copying an image midImage; preprocessing the image midImage; carrying out facula detection by using a FAST algorithm, and obtaining a candidate area center point coordinate vector points; sequentially judging whether a candidate area is an eye area or not, and obtaining eye area center point vector pointsTru; screening points in the vector pointsTru so as to obtain an eye area center point vector, the final return vector of which is 2 for the most; if only one eye is detected, carrying out repair; and returning an eye area center point vector pointsFnl, traversing the vector pointsFnl, and intercepting a rectangular area which takes the pointsFnl as center to serve as an eye area. The method is capable of stably adapting to the environment change, and is relatively high in environment robustness and correctness and relatively low in false alarm rate.
Owner:杭州岱石科技有限公司

Device and method for improving frequency stability of WIFI (wireless fidelity) access point

The invention relates to the field of WLAN (wireless local area network) wireless access, disclosing a device and a method for improving the frequency stability of a WIFI access point. The device for improving the frequency stability of the WIFI access point is composed of a temperature detection circuit, a voltage compensation circuit and a crystal oscillator, wherein the temperature detection circuit is connected with the voltage compensation circuit connected with the crystal oscillator. The defects of poor accuracy of the crystal temperature of the WLAN access point and weak fixed voltagecompensation adaptability is overcome. In the invention, the influence on the communication quality of the WLAN access point by environmental temperature is considered fully, communication quality byimproving access point frequency accuracy is improved and the orthogonality of OFDM (Orthogonal Frequency Division Multiplexing) subcarrier is ensured. Meanwhile, frequency accuracy is dynamically adjusted, so that equipment can adapt to environmental temperature variation and ensure the communication reliability of the WLAN access point.
Owner:TCL CORPORATION

Intelligent method for optical fiber preform deposition process based on big data model prediction control framework

The invention discloses a method for realizing intellectualization of an optical fiber preform deposition process. Manual adjustment in the deposition process causes large fluctuation of quality key parameters of the optical fiber preform, resulting in high rejection rate of the preform, and in order to realize optimal control of the deposition process, the invention provides an intelligent methodbased on a model predictive control framework. Firstly, a decision table is formed based on historical production operation records, factors influencing the quality of the optical fiber preform are mined, a neural network online quality prediction model is established, secondly, a formula proportion is adjusted based on a prediction result to achieve rolling optimization, and then the formula proportion in the deposition process is fed back and corrected according to a PK test result to achieve the purpose of stably controlling the quality of the optical fiber preform. Finally, a field operation result proves the effectiveness of the method. The intelligent method provided by the invention is simple to operate and high in environmental change adaptability, the quality of the preform is accurately predicted, and the maximization of enterprise benefits is facilitated.
Owner:湖南纤云光电科技有限公司

Flame retardant rubber windshield rubber part and preparation method thereof

The invention relates to a flame retardant rubber windshield rubber part and a preparation method thereof; the rubber part consists of the following raw materials in parts by weight: 90-120 parts of natural rubber, 50-70 parts of butadiene rubber, 55-62 parts of recycled rubber, 32-45 parts of aromatic polyamide fibers, 15-20 parts of zinc oxide, 5-8 parts of paraffin, 35-43 parts of high wear resistant carbon black, 5-8 parts of a plasticizer, 6-9 parts of sulfur, 43-50 parts of a calcium powder, 3-6 parts of a vulcanizing agent, 1.5-3 parts of an accelerator CZ, 2-5 parts of an anti-aging agent, 3.5-6 parts of a composite flame retardant, and 2-4 parts of rubber oil. The rubber windshield rubber part has reasonable formula, and has good sound-insulation, flame-retardant and windproof performance; the aromatic polyamide fibers added in the raw materials increase the rubber windshield strength; a prepared rubber windshield for railway passenger and goods cars has the advantages of flame retardancy, safety, reliability, small wear, and tight contact, can prevent dust, rain and snow from entering the cars, and has the advantages of wide adaptive environment temperature and long service life.
Owner:ANHUI MEIXIANG IND
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