17results about How to "Seamless switching" patented technology

The invention relates to a ZYNQ-based multichannel AD9361 controller and a control method, and relates to the technical field of digital signal processing. Comprising an ARM processing system and a programmable logic system, and a controller module and a signal processing algorithm module are arranged in the programmable logic system; the controller module comprises an AD9361 controller 1 arranged in the ARM processing system, and an AD9361 controller 2, an arbiter, an AXI controller and a data distributor which are arranged in the programmable logic system, and further comprises independent SPI interfaces and independent GPIO interfaces which are in one-to-one correspondence with the AD9361 chips; the AD9361 controller 1 and the AD9361 controller 2 apply for a data transmission control right to the arbiter according to a control demand; each independent SPI interface and each independent GPIO interface are respectively connected with an SPI pin and a GPIO pin of the corresponding AD9361 chip; the ARM processing system and the programmable logic system are interconnected through an AXI bus. The circuit can be externally connected with a plurality of AD9361 chips, and supports multi-channel parallel control.

The embodiment of the application provides a deep and shallow combined pool multi-board wave making composite control system, and relates to the technical field of ocean engineering model testing. A main controller is in communication connection with a shallow water wave making system, a deep water wave making system and a user control terminal. The main controller receives token application information from the user control terminal, judges the state of the token application information, and outputs corresponding token authorization information to the user control terminal according to the state judgment result. The main controller matches the control instruction set of the user control terminal and the target wave making system according to the token authorization information to obtain a target instruction set. The user control terminal calls the target instruction set to output a wave making control signal to control the target wave making system. The token control of the main controller ensures that the control right of the user control terminal to the target wave making system is exclusive, realizes safe permission isolation and flexible switching of independent control and joint control of the deep and shallow water wave making systems in a multi-user environment, and avoids overstepping operation and instruction conflict.

The utility model discloses a bottle cap framing machine. According to the technical scheme, two material receiving bins used for containing material frames are arranged at the bottom of a main body frame, each material receiving bin is provided with a discharging opening located above the material frames, and photoelectric detection sensors capable of detecting the material frames are arranged on the side walls of the two material receiving bins respectively; the feeding mechanism comprises a T-shaped shell, the T-shaped shell comprises a feeding port and two discharging ports, each discharging port is connected with the corresponding discharging port through a flexible dustproof sleeve, and a herringbone air channel for limiting bottle caps is further arranged in the T-shaped shell. According to the scheme, the bottle cap framing process in a totally-closed state can be achieved, the whole process is free of pollution, seamless switching can be achieved, and overflowing can be prevented.

The invention discloses a dynamic task priority scheduling method and system for flexible production, and belongs to the technical field of machine learning and intelligent manufacturing. The method comprises the following steps: collecting equipment state and load data in real time; constructing a weight adjustable optimization objective function of the production efficiency, the resource utilization rate and the delivery date satisfaction rate; generating an initial task priority sequence through a clustering algorithm based on the equipment abnormal characteristics, the task urgency degree and the load data; the priority weight is dynamically adjusted by simulating the environment temperature change; when an equipment fault occurs, the task is redistributed to the standby equipment; and calculating a resource scheduling scheme by adopting a particle swarm optimization algorithm and taking a task priority as a particle position. According to the invention, through multi-dimensional dynamic weight adjustment and real-time fault response, the resource utilization rate of the production line, the order delivery efficiency and the flexible response capability are effectively improved.

The invention discloses a high-availability method based on parallel management of a mock mechanism, which comprises the following steps of: completing the construction of a dependency relationship between transmission control and main / standby synchronization confirmation and disk dropping completion confirmation, regularly checking main / standby synchronization and disk dropping completion conditions by a transmitting end, setting a platform to be in a trigger mode when the pressure is low, and performing service non-perception transmission control. Primary and standby synchronization and disk dropping of service processing data and data are carried out in parallel, a primary and standby synchronization channel is established between primary and standby nodes in a cluster, a communication protocol determines that a standby point replies a confirmation message when receiving primary point synchronization data, a mock mechanism is established, and a receiving node without a synchronization channel actually sending data also replies the confirmation message. According to the method, main and standby point logics are not distinguished outside a communication layer, during main and standby switching, breakpoint interaction does not need to be carried out on cluster management, logic switching can be completed, the problem that high-availability confirmation and services are mutually dependent is solved, cluster processing time delay, service processing state independence and cluster state management seamless switching are reduced, and the overall performance is improved.

The invention relates to the technical field of computers, in particular to an efficient lossless data compression method and system based on parallel computing, and the method comprises the following steps: calling a JNI mechanism of a bottom layer compression library function; integrating a parallel computing optimization algorithm; the memory data compression rate is improved; the API compatibility is ensured; testing and verifying; the efficient lossless data compression method and the efficient lossless data compression system based on parallel computing have the beneficial effects that the performance of a Java platform is improved by integrating a parallel computing optimization algorithm and transforming a compression library. Through actual testing, under the same compression task, the compression performance is improved by 5-10 times compared with the original Java class library, so that the data processing efficiency is greatly improved.

The invention relates to the technical field of hardware polishing, in particular to a multi-face matched precise hardware polishing device which comprises a mechanical arm, a connecting part is installed at the moving end of the mechanical arm, and the connecting part comprises a butt joint column and a shell rotationally arranged on the outer arc face of the butt joint column in a sleeving mode; the output end of the connecting part is in butt joint with an inclined part, and the inclined part comprises a universal joint and a transmission shaft fixedly connected with the bottom of the universal joint; the outer cambered surface of the transmission shaft is rotationally sleeved with a rotary disc, the bottom face of the rotary disc is provided with a plurality of rotationally-connected butt joint frames, the butt joint frames are rotationally connected with the elastic telescopic end of the elastic telescopic rod, and the grinding head can actively incline through an inclined part formed by a universal joint, so that the mechanical arm can grind the area which cannot be touched by a traditional rigid structure; and the application range of the mechanical arm polishing process is greatly expanded, and the problem of'machining dead angles' existing in the industry for a long time is solved.

The utility model relates to positioning technology equipment field, concretely relates to a kind of positioning card based on the fusion of Beidou technology and UWB technology, including shell and built-in positioning communication circuit;Shell is assembled by upper shell and lower shell through clamping or insertion, and upper shell is equipped with touch screen, voice port and indicator light, and lower shell is equipped with communication interface;Positioning communication circuit contains dual-core main processing module, connects UWB positioning module, Beidou positioning module, dual power supply and power management module etc. Dual power supply independent power supply, and promote endurance;Dual positioning module cooperates to realize seamless positioning indoors and outdoors, and indicator light, voice and touch screen enhance interaction. The utility model is high in positioning accuracy, strong in anti-interference, and is applicable to complex environment positioning management.

The invention belongs to the technical field of rehabilitation robots, and discloses a mode-reconfigurable full-course lower limb rehabilitation robot. In the robot, a seat module comprises a seat body, a notch, a backrest and two thigh auxiliary driving plates. The electric cylinder module comprises four independent linear telescopic electric cylinders, and the upper ends of the electric cylinders are pivotally hinged to the four corners of the bottom of the seat body. The track module comprises two track units with front-back movement freedom degrees, and the track units are correspondingly pivoted and hinged to the lower ends of the two electric cylinders on the left side and the right side in a front-back mode. The mode switching module is integrated on the seat main body, is connected with the backrest, the thigh auxiliary driving plate and the upper end of the rear side electric cylinder, and is used for driving the backrest and the thigh auxiliary driving plate to rotate and driving the rear side electric cylinder to rotate and lock, so that switching of multiple rehabilitation training modes is realized. The single robot platform can be safely and reliably switched among multiple rehabilitation training modes, so that a continuous and complete rehabilitation training scheme is provided for a patient.

The invention belongs to the technical field of power supply management, and particularly provides an alternating current and direct current power supply isolated output switching device, which comprises a power supply input and preprocessing module used for accessing an alternating current main power supply and a direct current standby power supply and performing preprocessing protection on the two power supplies respectively; the power supply detection and control module is used for acquiring electrical parameters of the alternating-current main power supply and the direct-current standby power supply in real time, judging a power supply state of the power supply according to an acquisition result and outputting a control signal; the relay isolation switching module comprises two relays respectively corresponding to the main power supply branch and the standby power supply branch, and realizes physical isolation and automatic switching of the AC / DC power supply based on the control signal; the output adaptation and protection module is used for providing a corresponding output branch according to the load type and protecting an output power supply; wherein the two relays adopt an interlocking design to ensure that the two relays are not conducted at the same time.

The utility model provides a kind of semiconductor cold and hot impact test equipment, comprising: box;It is located in box and separates its internal space into the detection chamber, high temperature chamber and the low temperature chamber of mutually independent isolation component;Rotatable embedded in the middle part of isolation component rotating column, including the strip-shaped accommodating groove being opened on its side face along the height direction thereof, the moving plate being located in accommodating cavity and making reciprocating motion along the radial direction of rotating column and the clamping structure for clamping the measured piece being installed on moving plate.This application, by isolation component, the box is divided into three relatively independent chambers, cooperate embedded in rotating column, without being taken out in the test chamber of semiconductor measured piece after cold and hot impact, detection can be realized, reduce the interference of external environment to detection result, improve detection accuracy, also improve detection efficiency.

This application provides a method for live streaming of satellite cloud images, relating to the field of satellite monitoring technology. The method includes the following steps: acquiring multiple cloud images observed by satellite; pre-setting grids of different sizes for the cloud images and classifying the cloud images to obtain cloud images of different resolutions; cropping the cloud images of corresponding resolutions according to the pre-set grids to obtain corresponding slices; grouping each slice according to time and creating video slices; and loading relevant information from the video slices onto the user terminal to display satellite cloud image animations according to the window size and position. This method can deliver high spatiotemporal resolution meteorological satellite cloud images to the user terminal in a timely manner, providing users with low-latency and high-timeliness cloud image services, thereby achieving live streaming of satellite cloud image animations, meeting weather monitoring needs, and providing technical support for meteorological forecasting services.

The invention belongs to the technical field of deep reinforcement learning, and discloses a multi-agent multi-task collaborative reinforcement learning method based on a space-time fusion architecture, and the method comprises the steps: 1, initializing a task sampling probability, and forming an entity embedding vector sequence and a task embedding vector; step 2, inputting the entity embedding vector sequence and the task embedding vector into an anti-noise feature extraction layer to obtain deep time sequence features; 3, generating a dynamic weight matrix in real time, and obtaining a local Q value output by the intelligent agent; 4, the Transform hybrid network receives a global state vector, a task embedding vector and a local Q sequence of the environment, and gives a global action value; 5, calculating the total loss, and 6, based on the total loss, training an optimization unit to update whole network parameters, and meanwhile, judging whether a preset evaluation round is reached or not. The method has higher anti-interference capability and more stable control performance, and realizes adaptive control of multiple heterogeneous tasks.

The utility model discloses an output light power monitoring PD double backup system for optical amplifier or laser, including one coupler, the main light path output end of optical amplifier or laser installs one coupler, and the light is coupled after one coupler, and the light of first output port continues transmission from the light path, and the light of second output port is guided to PD1 and PD2 respectively through two couplers, and after the conversion of light current signal into voltage signal, PD1 and PD2 are connected to AD sampling circuit through one cross group amplifier circuit respectively, and AD sampling circuit is connected with control unit signal, and control unit is used for controlling the switching of PD1 and PD2. The utility model discloses by control unit to the monitoring and switching of PD1 and PD2, make control unit can seamlessly switch PD1 or PD2, and the reliability is high, avoided the problem that PD fails because of ageing, lightning stroke, electrostatic discharge or physical damage, and the easy problem of causing major accident.

The utility model relates to a kind of injection-production integrated process pipe column for heavy oil well belongs to downhole operation tool technical field of petroleum industry.The utility model discloses hollow anchoring packer and sealing insert tube;The hollow anchoring packer is anchored and sealed in casing, with a center through hole in its inside;The lower end of the sealing insert tube can be inserted into the center through hole of the hollow anchoring packer, and sealing and anchoring connection is formed with the inner wall of the center through hole.The utility model can realize steam injection and oil production alternate operation without lifting main sealing anchoring component, to reduce operation cost, improve production efficiency.

The invention discloses a method and system for switching between NSA and LTE, and relates to the field of mobile phone terminal mobile communication, and the method comprises the steps: obtaining a threshold t of a timer through the prediction of a neural network; the UE monitors whether the TAU access replied by the communication network is received or not within the threshold time t; if the UE does not receive the TAU accept replied by the network in the t, reporting a limited service state to the NSA, notifying the UI to display no signal in a signal bar by the UE, and meanwhile, recording the TAU failure and recording the transmitting power P1 at the time by the UE; after a period of time greater than the threshold time t, when the UE triggers the switching between the TLE and the NSA again, the Modem of the UE checks whether the TAU request receives the TAU access last time or not, and if the TAU request does not receive the TAU access last time, the Tx transmitting power of the UE is increased from P1 to P2; the UE judges whether the increased Tx transmitting power P2 exceeds the maximum allowable transmitting power Pmax of the UE or not, and if P2 is smaller than or equal to Pmax, the UE sends TAU request to the network through the P2. Aiming at the low switching success rate between the NSA and the LTE in the prior art, the invention improves the switching success rate.

The invention relates to the technical field of communication, and discloses an IMS-based D2D communication technology implementation method, which comprises the following steps of S1, deploying an IMS system, and connecting a terminal device based on 5G / 6G cellular mobile communication through an IMS core network of a communication operator; s2, software meeting the communication requirement of the IMS system is embedded in the terminal equipment, so that the terminal equipment can be registered and authenticated through the IMS system; and S3, after the call session is established between the terminal devices, the D2D communication mode is switched to carry out data transmission, and the IMS system is only responsible for signaling control. According to the invention, the D2D communication between the devices is realized on the basis of IMS communication by satisfying the D2D technology of the ad hoc network or the hybrid network, so that the occupation of the IMS system and hardware resources by the communication of videos, files and big data packets between the devices is effectively reduced.