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65 results about "Coverage control" patented technology

Electronic device including waterproof structure

According to certain embodiments, an electronic device may include a first housing, a second housing including at least one through-hole and connected to the first housing through a hinge device, a display panel disposed to be supported by the first housing and the second housing, a bending part extending outward from the display panel and including a control circuit, a cover member disposed on at least a portion of the bending part so as to cover at least a part of the control circuit and including a conductive layer, a first waterproof member disposed between the display panel and the first housing so as to surround at least a portion of the bending part, a second waterproof member disposed between the bending part and the first housing, and a third waterproof member filled through the through-hole such that the first waterproof member is connected to the second waterproof member, wherein the cover member includes an exposed part in which at least a part of the conductive layer is exposed, and the exposed part is disposed to at least partially overlap the through-hole.
Owner:SAMSUNG ELECTRONICS CO LTD

Frequency-division double-closed-loop control method, system, medium and equipment for shock absorber

The invention belongs to the technical field of automobile vibration reduction, and provides a frequency-division double-closed-loop control method, system, medium and equipment for a vibration absorber, and the method comprises the steps that the vehicle body state of a vehicle is monitored in real time, and the vibration reduction state of the vehicle is determined based on the vehicle body state; if the vehicle is not in the vibration reduction state, a correction strategy is executed; dynamically capturing full-band vibration of the vehicle based on the correction strategy, obtaining a time domain signal and converting the time domain signal into a frequency domain signal; the frequency domain signal is processed, the current vibration type of the vehicle is determined, and a vibration reduction strategy corresponding to the current vibration type is determined based on the current vibration type; and the release current and the magnetorheological fluid state of the vehicle are regulated and controlled based on the vibration reduction strategy, and vibration reduction of the vehicle is completed. According to the invention, on the basis of effectively eliminating vibration invalid signals and eliminating interference energy, the limitation of low-frequency and high-frequency vibration dual suppression is reduced, broadband coverage is realized, the control precision is high, and the vibration reduction effect is good.
Owner:CHONGQING ENERGY COLLEGE

Sea area wireless network coverage method and device and computer readable storage medium

PendingCN121771738AEstablish a dynamic coverage control mechanismPredict signal attenuation trends in advanceNetwork traffic/resource managementTransmission monitoringCommunications systemResource assignment
The invention relates to the technical field of communication, and discloses a sea area wireless network coverage method and device and a computer readable storage medium, and the method comprises the steps: obtaining the historical link performance, real-time marine environment data and business load information of a target sea area; constructing a sea surface electromagnetic wave propagation attenuation dynamic prediction model based on a gated circulation unit; and in combination with the prediction result and the service demand, jointly optimizing the base station transmitting power, the antenna beam pointing angle and the subcarrier resource allocation, and issuing a regulation and control instruction. The system comprises a data acquisition module, a propagation modeling module, a resource scheduling module and an instruction execution module. According to the invention, through deep fusion of marine environment physical field perception and wireless communication system control, a dynamic coverage regulation and control mechanism driven by a sea condition is established; the provided sea surface electromagnetic wave propagation attenuation dynamic prediction model can pre-judge the signal attenuation trend under the complex sea condition in advance, so that network resource scheduling has perspectiveness.
Owner:GUANGDONG BROADRADIO COMM TECH

High-pole lamp illumination intelligent control system and method

The invention provides a high-pole lamp illumination intelligent control system and method, and the system comprises an intelligent illumination control cloud box and an illumination control management system, and the intelligent illumination control cloud box is in wireless communication connection with the illumination control management system. According to the invention, by operating the illumination management platform, the mobile phone APP and the illumination intelligent control cloud box to send out instructions, independent control, batch control and plan control are carried out on field lamps, time-phased and regional control can also be carried out, and intelligent monitoring control and fine management of illumination of the high-pole lamp are realized. Meanwhile, the functions of map function, equipment inspection, illumination control, electric quantity overreading, gateway inspection, equipment timing, electricity price clock, batch parameter adjustment, energy efficiency management, alarm and the like can be realized, and the functions of traffic flow monitoring, safety monitoring, light illumination and coverage control based on image recognition and neural network technologies can be realized; the method is of great significance in improving the lighting efficiency, reducing the energy consumption and realizing the intelligent management of urban traffic.
Owner:BEIJING LIBOMING TECH DEV

Unicycle multi-agent dynamic coverage control method based on security reinforcement learning

The invention discloses a Unicycle multi-agent dynamic coverage control method based on safety reinforcement learning, and the method comprises the steps: firstly, carrying out the modeling of a Unicycle agent, an anisotropic sensor, and a multi-agent system dynamic coverage control task; then, designing corresponding constraining force according to safety requirements such as input limitation and obstacle and collision avoidance of Unicycle so as to design a safety protection mechanism, and correcting a control instruction of the intelligent agent when the intelligent agent is about to do unsafe action so as to ensure the safety of the intelligent agent in a dynamic coverage process; and finally, training the dynamic coverage control security decision model in cooperation with a multi-agent deep reinforcement learning algorithm, improving the adaptive capacity of the dynamic coverage control security decision model to a variable environment based on an observation coding mode of state compression, and executing the dynamic coverage control security decision model to complete Unicycle multi-agent dynamic coverage control.
Owner:TIANFU JIANGXI LAB

Multi-agent system channel type area coverage control method based on arc length

The invention relates to the field of area coverage control methods, and discloses a multi-agent system channel type area coverage control method based on arc length, which comprises the following steps: S1, target area division: dividing a channel type target area into a plurality of sequential sub-areas based on an arc length division method; s2, designing a distributed controller of a virtual leader agent, wherein the distributed controller of the virtual leader agent ensures that the arc length of a coverage area of each group of agents is in direct proportion to the number of the group of agents; and S3, designing an individual intelligent agent distributed controller, and enabling the intelligent agent to realize sequential team coverage control on the area S by combining the individual intelligent agent distributed controller with a distributed controller of a virtual leader intelligent agent. The distributed controller designed by the invention enables the intelligent agent to adjust the coverage area of the intelligent agent in real time according to the change of the actual environment.
Owner:HARBIN INST OF TECH AT WEIHAI

Multi-unmanned aerial vehicle cooperative search and coverage optimization method based on improved loyd algorithm

The invention discloses a multi-unmanned aerial vehicle cooperative search and coverage optimization method based on an improved Lloyd algorithm, and is suitable for a target search task in a dynamic environment. Firstly, target distribution is perceived and estimated in real time by using a probability hypothesis density filter, and a target probability map is dynamically updated, so that the response capability and search precision of a system to target state change are improved; secondly, a multi-graph fusion mechanism is adopted, a target probability map, an uncertainty map and a search pheromone map are subjected to dynamic weighted integration, priority sharing and updating of key area information are achieved, and the cooperation efficiency and the communication resource utilization rate among multiple unmanned aerial vehicles are improved; and finally, based on an improved Lloyd algorithm, introducing a multi-step prediction mechanism and a direction-guided centroid updating strategy, optimizing search path generation, and preventing the path from being converged to a low-value region. Through the method of the invention, the system can realize adaptive and efficient search and coverage control in a complex dynamic environment, and stability, real-time performance and overall robustness of task execution of multiple unmanned aerial vehicles are significantly improved.
Owner:DALIAN UNIV OF TECH

Internet of Things terminal remote control method based on low earth orbit satellite communication

The invention discloses an Internet of Things terminal remote control method based on low earth orbit satellite communication, and belongs to the technical field of low earth orbit satellite communication. By establishing a coverage control relationship between the Internet of Things terminal and the low-orbit satellite link, generating a distribution control behavior set and recording connection delay, scattered communication behaviors can be converted into traceable associated data, and matching analysis of the terminal and the link is facilitated; a data matrix is constructed and normalized based on time delay, a feature contour is extracted after the data matrix is converted into a data portrait, and identification of multi-terminal common-frequency behaviors is simplified by utilizing spatial relevance of image features so as to quickly solve the problem of common-frequency interference concealment; and identifying a common-frequency behavior through contour overlapping, and quantifying a link importance score to optimize terminal link selection. According to the method, the problems that traditional low-orbit satellite link allocation is static and common-frequency interference is difficult to control are solved, the link resource utilization rate and the terminal communication reliability are improved, and the method is suitable for remote control of wide-area Internet of Things scenes such as oceans and deserts.
Owner:KEYIDEA SATCOM INFORMATION TECH (NANJING) CO LTD

Test method and device of SOC system, computer equipment and storage medium

The application relates to integrated chip testing technology and discloses a test method for an SOC system, which comprises the following steps: deploying a test scene on an SOC system and generating a first test case corresponding to the test scene, wherein the test scene comprises at least one of a verification IP, a virtual machine compiler and an FPGA platform compiler; determining a test function according to a test requirement and generating a second test case corresponding to the test function according to the first test case, wherein the test function comprises at least one of a connection line detection, a timing detection, simulation information control, simulation waveform control, coverage control and DUT code control; and executing all the second test cases on the SOC system to obtain a test result. The application further discloses a test device for the SOC system, a computer device and a computer readable storage medium. The application aims to improve the test efficiency of the SOC system.
Owner:MAIKE MICROELECTRONICS (SHENZHEN) CO LTD

Intelligent vehicle system based on single-Beidou multi-source data acquisition

The invention discloses an intelligent vehicle system based on single Beidou multi-source data acquisition, which belongs to the technical field of non-electrical variable control or adjustment systems and comprises six series modules, namely a multi-source data acquisition module, a space-time alignment module, a multi-source fusion module, a scene adaptive sensing and path generation module, a motion control and execution module and an emergency obstacle avoidance and safety control module. According to the system, multi-source data space-time alignment is realized by taking single Beidou GNSS time service data as a unified reference, credibility evaluation is performed on a single Beidou positioning state, a fusion weight is dynamically adjusted, an adaptive driving path is generated in combination with positioning credibility, closed-loop feedback is formed by motion control, and an emergency obstacle avoidance module can cover a control instruction at the highest priority. By the adoption of the system, self-adaptive fusion of multi-source sensing information is achieved only depending on a single Beidou positioning signal, the sensing control continuity of the system is guaranteed, Beidou positioning participates in operation decision, and the operation stability and safety of an intelligent vehicle in a complex environment are improved.
Owner:ANHUI UNIV OF SCI & TECH

Multi-layer game reinforcement learning method for swarm intelligence regional coverage control

The application discloses a kind of multi-layer game reinforcement learning methods for intelligent group area coverage control, comprising: each intelligent agent in intelligent group is mapped as game player, and the task target of intelligent agent is combined to construct revenue evaluation mechanism, and form group game model;Based on the physical capability constraint of intelligent agent, construct perception model and communication model, design coverage efficiency, running safety, energy efficiency and communication collaboration evaluation index, and integrate as the vector revenue function of intelligent agent;TD3 model is used as the game player role of intelligent agent, and the association of reinforcement learning and group game is established;Multi-layer semi-distributed game reinforcement learning framework is constructed, and environment interaction is carried out, to solve the intelligent group area coverage control strategy satisfying Pareto Nash equilibrium.The application realizes the balance of individual and collective benefits, improves the calculation efficiency through semi-distributed iterative algorithm, and adapts to the solution demand of large-scale complex system.
Owner:SECOND INST OF OCEANOGRAPHY MNR

An Optimization Arrangement Method of Piezoelectric Sensors for Ultrasonic Guided Wave Damage Monitoring

The present invention discloses an optimized layout method for piezoelectric sensors used in ultrasonic guided wave damage monitoring, belonging to the technical field of structural health monitoring. It can, under the condition of a certain number of piezoelectric sensors, obtain a monitoring coverage area as large as possible by adjusting the sensor positions. First, discrete control points are set in the area to be monitored of the entire structure. Then, the proportion of the damage influence area in the form of an ellipse defined by every two sensors covering the control points is taken as the coverage rate optimization target. Finally, the artificial bee colony intelligent algorithm is used for iterative solution to obtain the optimal layout form of the sensors. The present invention can effectively solve the problem of optimizing the layout of piezoelectric sensors on a planar structure, and plays an important role in expanding the monitoring area and improving the reliability of ultrasonic guided wave damage monitoring.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Multi-agent cooperative control method, device and equipment and storage medium

The application relates to the technical field of multi-agent cooperative coverage control, and discloses a multi-agent cooperative control method, device and equipment and a storage medium, the method comprising the following steps: constructing a first / second type supervision area according to initial / primary position coordinates of the first / second type agent; constructing a common supervision area according to the first type supervision area and the second type supervision area, and determining optimal / advantage target positions of the first / second type agent according to all area points in the common supervision area; updating the first / second type supervision area when the first / second type agent moves towards the optimal / advantage target position; returning to the step of constructing the common supervision area according to the first type supervision area and the second type supervision area according to the updated first / second type supervision area until a coverage loss value corresponding to the common supervision area meets a preset optimal coverage loss value. The application aims to improve the coverage capability of heterogeneous agent cooperative control.
Owner:ZHEJIANG FEIHANG INTELLIGENT TECH CO LTD

Power saving mode coverage control

In order to reduce power consumption, an access node may turn off transmissions from one or more rows or columns of antennas in a mMIMO array. To help prevent the beam from overshooting (i.e., going beyond) an intended area of coverage when the access node turns off transmission by one or more rows, the access node also increases the electrical down tilt of the beam (i.e., angle of depression) to help contain the beam within its intended area of coverage. To help prevent problems with SSB beam selection and / or beam switching, when the access node turns off transmission by one or more columns, the access node reduces the number of SSB beams that are transmitted while sweeping SSBs over the sector thereby reducing the overlap of the (now) wider SSB beams.
Owner:T MOBILE INNOVATIONS LLC

Dental triage and clinical risk assessment system

A dental triage and clinical risk assessment system (100), the system (100) comprising: a first user device (102) configured to receive patient-related dental information for remote dental assessment; a first user interface (104) within the first user device (102) that is configured to guide the patient's interaction by presenting structured symptom questionnaires, image acquisition instructions, and status notifications; a communication network (110) that is connected to the first user device (102) and configured to securely transmit patient-related dental information and control signals; a processing unit (112) connected to the first user device (102) via the communication network (110) and configured to perform automated dental triage and clinical risk assessment through coordinated data analysis decision logic and routing operations, wherein the processing unit (112) comprises: a data acquisition module (114) configured to receive patient-related dental information from the first user device (102); a data preprocessing module (116) configured to validate, normalize and structure the received dental information for analytical processing; a triage intelligence module (124) configured to analyze the structured dental information to generate a quantified urgency score and risk classification level using combined analytical logic; a decision support module (130) configured to assign the urgency score and risk classification level to a recommended dental care pathway; a nursing navigation module (134) configured to generate routing instructions corresponding to emergency referrals, scheduled consultations, teleconsultations or automated guidance; a learning and analysis module (144) configured to update internal analytical parameters based on confirmed clinical results; a storage unit (154) connected to the processing unit (112) and configured to store patient data, analytical results, priority points, routing decisions and result feedback for continuous system operation; a second user device (158), connected to the processing unit (112) via the communication network (110) and configured to receive triage outputs and recommendations for care pathways; and a second user interface (160) in the second user device (158), configured to display risk indicators, urgency points, patient data summaries and override controls for interaction with the clinician.
Owner:ALOTHMANI OSAMA S DR +7

Multi-agent exploration and coverage control method based on state-based potential game and near-end strategy optimization

The invention discloses a multi-agent exploration and coverage control method based on state-based potential gaming and near-end strategy optimization, and belongs to the technical field of automatic control. According to the method, aiming at the problems of low task cooperation efficiency and difficulty in strategy convergence of multiple agents in an unknown or dynamic environment, exploration and coverage tasks are modeled as a generalized state-based potential game, a global potential function and an individual utility function are defined, and a state space, an observation space, an action space, a state transfer function and a reward function are constructed. Under a centralized training and distributed execution framework, a near-end strategy optimization algorithm based on potential game increment constraint is designed, a reward shaping mechanism and an epsilon-annealing posterior constraint mechanism are introduced, and efficient updating and stable convergence of the strategy are guided. Through two-dimensional discrete grid simulation scene training, the system can significantly improve the exploration efficiency and the coverage effect under the conditions of limited communication and local perception. The method can be widely applied to emergency disaster relief, environment monitoring and unmanned cluster tasks.
Owner:BEIHANG UNIV

High-pole lamp lighting intelligent control system and method

The application provides a high-pole lamp lighting intelligent control system and method, which comprises an intelligent lighting control cloud box and a lighting control management system, and the intelligent lighting control cloud box is in wireless communication connection with the lighting control management system. The application can realize intelligent monitoring control and fine management of high-pole lamp lighting by operating a lighting management platform, a mobile phone APP and the intelligent lighting control cloud box to send instructions for separately controlling, batch controlling and plan controlling the on-site lamps, and also can control the on-site lamps by time period and area. Meanwhile, the application can realize functions such as a map function, equipment inspection, lighting control, power over-reading, gateway inspection, equipment time correction, electricity price clock, batch parameter adjustment, energy efficiency management, alarm and the like, and traffic flow monitoring, safety monitoring, light intensity and coverage control functions based on image recognition and neural network technology, which has important significance for improving lighting efficiency, reducing energy consumption and realizing intelligent management of urban traffic.
Owner:BEIJING LIBOMING TECH DEV

Unmanned ship network marine environment area coverage control method based on observer

The invention discloses an unmanned ship network marine environment area coverage control method based on an observer, and relates to the technical field of control engineering and control science, and the method comprises the steps: obtaining time-varying disturbance estimation generated by external environment factors to an unmanned ship in finite time through a finite time disturbance observer based on an unmanned ship network; the expected speed of the unmanned ship network is designed, and under the designed expected speed, the optimal coverage effect on the ocean task area is achieved through the unmanned ship network; and based on the external disturbance estimated by the time-varying disturbance observer, a robust coverage controller of the unmanned ship network is established, and an expected speed designed for tracking the actual speed of the unmanned ship within a fixed time is realized. According to the method, the finite time disturbance observer and the unmanned ship cluster area coverage controller are designed, analysis and simulation verification of related theories are carried out, and the optimal coverage effect of the unmanned ship network on the marine environment task area is achieved.
Owner:CHINA SHIP DEV & DESIGN CENT

Vehicle control method, system and equipment based on reinforcement learning and medium

PendingCN121849232AAccurate error compensationHigh-precision trajectory trackingSteering linkagesAutomatic steering controlVehicle dynamicsTime domain
The invention provides a vehicle control method, system and device based on reinforcement learning and a medium. The method comprises the steps that vehicle state information and reference track information of a target vehicle at the current moment are acquired; performing rolling optimization solution through a model prediction control algorithm to obtain a control sequence of a coverage control time domain corresponding to the current moment; constructing a strategy network for inputting the reinforcement learning state vector into a pre-trained flexible action-evaluation network to obtain a front wheel steering angle correction amount at the current moment; and carrying out superposition processing on the first-item front-wheel rotation angle increment, the front-wheel rotation angle correction and the front-wheel rotation angle control quantity at the previous moment in the control sequence to generate the front-wheel rotation angle control quantity at the current moment. According to the method, the controller does not completely depend on a fixed vehicle dynamics model any more, so that the technical problem that the performance is reduced or even unstable due to the fact that the model is inaccurate in an existing algorithm is effectively solved, and high-precision trajectory tracking can still be kept under the complex and changeable real driving working condition.
Owner:SHENZHEN MINIEYE INNOVATION TECH CO LTD

Unmanned ship multi-group dynamic coverage and collision avoidance system based on anisotropic perception

The invention discloses an unmanned ship multi-group dynamic coverage and collision avoidance system based on anisotropic perception. The unmanned ship multi-group dynamic coverage and collision avoidance system comprises a coverage control module, a safety control module and an unmanned ship module, the coverage control module comprises a sensing quantization module, a coverage level calculation module and a dynamic coverage sensing module; the safety control module comprises an intra-group collision avoidance module, a communication keeping module, an angle control module, an obstacle avoidance control module and a group collision avoidance module; the output end of the conical collision avoidance module is connected with the input end of the unmanned ship module; the input end of the unmanned ship module is connected with the output end of the dynamic coverage module, the output end of the conical collision avoidance module and the sideslip angular velocity, and the output end of the unmanned ship module is connected with the input end of the sensing quantification module and the input end of the safety control module. According to the method, a conical sensor model is constructed, a dynamic coverage method based on a perception quantification mechanism is designed, a path does not need to be planned again according to the actual sea condition, and real-time collaborative coverage among multiple unmanned ships is achieved.
Owner:DALIAN MARITIME UNIVERSITY

Cross-community point settlement and reserve fund coverage control method, device and equipment based on double account books and state channel, and storage medium

The invention discloses a cross-community point settlement and reserve fund coverage control method and device based on double account books and a state channel, equipment and a storage medium. According to the method, point cross-domain liquidation and rapid settlement among different community nodes are realized by establishing a multi-account-book cooperation mechanism; a state channel technology is adopted to optimize transaction time delay and storage overhead; dynamically adjusting a reserve fund proportion according to the risk parameters so as to realize safe hosting and real-time liquidation of integral assets; and the authenticity and traceability of the data are ensured through the encryption and traceability module. The method can improve the operation efficiency and risk prevention and control capability of a community point system, and is suitable for multi-scene application of smart communities, commercial alliances and the like.
Owner:SICHUAN SHUIQIANG ENTERPRISE MANAGEMENT CO LTD

Stratosphere airship cluster regional coverage control method based on clustering artificial potential field method

The application discloses a stratosphere airship cluster area covering control method based on a clustering artificial potential field method, relates to the automatic control technical field, and comprises the following steps: establishing a stratosphere airship ground covering channel model, and distributing covering targets; obtaining expected covering deployment center positions of each cluster unit based on a clustering method; establishing a dynamic artificial potential field to obtain expected positions of the stratosphere airship cluster; establishing a stratosphere airship dynamics model, and designing a stratosphere airship dynamic tracking controller to track the expected positions of the stratosphere airship cluster. Therefore, the above method can realize adaptive dynamic covering of the stratosphere airship cluster to ground targets, reduces the influence of environmental wind on the stratosphere airship cluster covering task, establishes a dynamic artificial potential field unified framework, greatly reduces the complexity of the task, and effectively realizes tracking of the expected positions of the stratosphere airship cluster by designing the stratosphere airship dynamic tracking controller.
Owner:BEIHANG UNIV

Power saving mode coverage control

In order to reduce power consumption, an access node may turn off transmissions from one or more rows or columns of antennas in a mMIMO array. To help prevent the beam from overshooting (i.e., going beyond) an intended area of coverage when the access node turns off transmission by one or more rows, the access node also increases the electrical down tilt of the beam (i.e., angle of depression) to help contain the beam within its intended area of coverage. To help prevent problems with SSB beam selection and / or beam switching, when the access node turns off transmission by one or more columns, the access node reduces the number of SSB beams that are transmitted while sweeping SSBs over the sector thereby reducing the overlap of the (now) wider SSB beams.
Owner:T MOBILE INNOVATIONS LLC

An image quality optimization control method for covering an aerial photography area by a multi-UAV system

The present invention relates to the field of coverage control and image quality optimization of unmanned aerial vehicles (UAVs), and discloses an image quality optimization control method for a multi-UAV system to cover an aerial photography area, which includes the following steps. Step S1, establish an image quality function, which is an image quality function constructed based on pixel density and camera viewing angle and is used to describe the coverage effect of the multi-UAV system in a convex polygon area. Step S2, divide the task area, and use an extended Voronoi segmentation method to divide the task area of each UAV. Step S3, design a distributed controller, and based on the designed distributed controller, achieve the local optimal deployment of the UAVs. The present invention introduces a new image quality function, combines pixel density and lens distortion, optimizes the coverage control of the multi-UAV system, solves the defect in the prior art that the characteristics of optical cameras are not fully considered, and significantly improves the quality of aerial photography images and the complete coverage of the target area.
Owner:HARBIN INST OF TECH AT WEIHAI

Reconfigurable intelligent surface enhanced coverage control method, device and equipment for virtual power plant and medium

The invention discloses a reconfigurable intelligent surface enhanced coverage control method, device and equipment for a virtual power plant and a medium, which are used for solving the technical problem that the reconfigurable intelligent surface enhanced coverage control effect of the virtual power plant is poor. Comprising the following steps: collecting state information of each node in a virtual power plant, and generating a scheduling weight and a partition number of each node; calculating an estimated communication benefit value of each node, and generating a service assignment variable in combination with the scheduling weight; constructing a partition allocation scheme according to the service assignment variable and the number of partitions, and dividing the reflection unit to a plurality of sub-panels; calculating phases of the incident signal and the emergent signal of each reflection unit, and generating a reflection matrix; determining an emission vector according to the reflection path channel and the scheduling weight of each reconfigurable intelligent surface after adjustment of the reflection matrix; performing time slot resource allocation on each reconfigurable intelligent surface according to the service assignment variable and preset geographic sector mapping; and performing data transmission according to the transmission vector and the time slot resource allocation scheme.
Owner:ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD

Multi-beam satellite coverage control method and device based on multiplex reinforcement learning

The invention provides a multi-beam satellite coverage control method and device based on multiplex reinforcement learning, and relates to the field of satellite resource scheduling. State parameters corresponding to one beam of a multi-beam satellite system are input into a trained multiplex reinforcement learning model; a scheduling scheme and a reward function which are output by the model and correspond to the wave beam are obtained, and the reward function is set for achieving the goal of maximizing the system throughput and the goal of minimizing the system packet loss rate; updating the state parameter based on the scheduling scheme, and taking the updated state parameter as the input of the next beam to the multiplexing reinforcement learning model to obtain the scheduling scheme and the reward function of the next beam; and repeating the steps to obtain a scheduling scheme of each beam. According to the method, the problems of transmission capacity waste and flow congestion caused by neglecting the control beam coverage radius in the existing satellite resource scheduling algorithm are solved, and the method has a relatively high reference value.
Owner:CHINA SATELLITE NETWORK EXPLORATION CO LTD

Compressor unit working noise control system based on data analysis

The invention relates to the technical field of intelligent control, in particular to a compressor unit working noise control system based on data analysis. The compressor unit working noise control system based on data analysis comprises a sound pressure segmentation demarcation module, a frequency band change extraction module, a sound energy concentration drifting module, a target frequency band locking module and an absorption execution triggering module. According to the method, fine division of a sound pressure trend in operation is realized by constructing a sound pressure change boundary, a frequency abrupt change region is extracted, a drift path with concentrated sound energy is captured, a target frequency position is screened according to frequency change direction consistency and time continuity, and a focusing frequency is further accurately corresponding to a control frequency band; the shielded area is adjusted in a linkage mode to achieve directional intervention and coverage control over a key noise propagation path, the frequency locking precision, the energy focusing stability, the dynamic response sensitivity and the synergistic effect efficiency of sound absorption shielding are improved, and therefore an active noise control system based on the characteristic evolution trend is established.
Owner:SHENZHEN YAHAOXIANG TECH CO LTD

Autonomous robot coverage control system based on multi-Jetson cooperation

The invention belongs to the technical field of robot control and distributed autonomous systems, and particularly relates to an autonomous robot coverage control system based on multi-Jetson collaboration, which is realized based on an ROS2 robot operating system and a multi-Jetson embedded computing platform, and comprises the following steps: multi-sensor data acquisition; carrying out pose fusion and positioning; performing pose processing and neighbor recognition; neighbor detection and event judgment; performing data synchronization and cyclic scheduling; dynamically adjusting the sensing radius; carrying out actuarial calculation and weighted centroid calculation on the Voronoi region; control law calculation and saturation constraint; issuing a target point and executing a path; asynchronous and energy-saving control is realized; wherein the ten stages are independently executed on a local ROS2 node of each Jetson trolley, the whole system operates in an asynchronous distributed mode, and autonomous coverage control can be achieved without a central control node. According to the invention, the problems of complex synchronization, high energy consumption, communication dependence and the like in the existing multi-robot distributed coverage control can be solved.
Owner:CIVIL AVIATION UNIV OF CHINA

cover

Cover for covering an opening in a housing of a control unit, wherein the cover (30) is made of a metallic material, has a bottom section (32) and an edge section (34), wherein the edge section (34) extends obliquely from the bottom section (32) and has a number of tabs (36), wherein a bending area (38) is provided in the edge section (34) and a groove (40) is formed in this bending area, in the area of ​​which a wall thickness of the tabs (36) of the edge section (34) is reduced.
Owner:ROBERT BOSCH GMBH

Robot safety decision-making system and method based on uncertainty perception

The embodiment of the invention provides a robot safety decision-making system and method based on uncertainty perception, and is applied to the technical field of robot control and artificial intelligence crossing. The method comprises an intelligent sensing module, a safety monitoring module and an execution module, the intelligent sensing module runs on a first computing platform, is internally provided with an uncertainty sensing neural network, processes a robot environment sensing task and outputs a system state, a sensing recognition result and a corresponding uncertainty score; the security monitoring module runs on a physically independent second computing platform, receives the data through a security communication interface, determines a security level by fusing a local physical sensor data decision and outputs a security control instruction; a main actuator controller and a safety actuator interface in the execution module receive a control instruction and a safety instruction respectively, and the safety actuator interface has the highest control priority and can cover the control instruction. According to the method, early warning can be performed in time and preventive measures can be taken when the deep learning model perceives that the deep learning model is unreliable.
Owner:GUANGXI NORMAL UNIV