11results 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 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 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.

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.