40results about How to "Realize Programmable Control" patented technology

The invention relates to a spatial information network architecture. The spatial information network architecture comprises a ground information port, a data forwarding layer and a space-based backbone network; the ground information port is connected with the data forwarding layer, is connected with the space-based backbone network through the data forwarding layer and is used for executing a user task request according to a received flow table; the data forwarding layer is composed of at least one satellite selected from a medium earth orbit satellite and a low earth orbit satellite and is used for receiving the flow table, calling resources to execute the user task request, performing data transmission and forwarding according to the flow table; the space-based backbone network comprises at least one geostationary orbit space satellite, a controller in the geostationary orbit space satellite allocating resources for the task request and issuing the flow table; and the ground information port and the space-based backbone network together form a double-backbone control system. According to the spatial information network architecture of the invention, the global coverage characteristics of the GEO (geostationary orbit) satellite and the computing power of a ground base station are effectively combined, and the spatial information network can obtain route forwarding strategies in real time, allocate resources and nodes reasonably according to tasks and improve resource utilization rate and node cooperation ability.

The invention discloses an experimental instrument for photo-initiated solution polymerization. The experimental instrument comprises a cabinet and is characterized in that a plurality of narrow-band ultraviolet lamps and a polymerization reaction vessel are arranged in the cabinet; a sliding bracket is arranged at the bottom of the cabinet, and the narrow-band ultraviolet lamps are vertically arranged on the sliding bracket; the polymerization reaction vessel is arranged in the moving direction of the narrow-band ultraviolet lamps, and a gap is formed between the narrow-band ultraviolet lamps and the polymerization reaction vessel; the polymerization reaction vessel can rotate around the axis of the polymerization reaction vessel, and the rotating speed is adjustable; and a light intensity sensor I and a light intensity sensor II are arranged in the moving direction of the narrow-band ultraviolet lamps and are respectively arranged at the two sides of the polymerization reaction vessel. According to the experimental instrument, the use and combination number of ultraviolet lamp sources can be controlled through adjusting and controlling the rotating angular velocity of a turntable, and the light radiation energy received by a polymerization system can be adjusted through adjusting the distance between light sources and a reaction device, so that a method for controlling primary-activity free radical generation rate by using multiple control manners is realized.

The invention discloses an automatic magnetic-lever-type frog feed dispenser and a video analysis method. The dispenser comprises a video collection module, a video analysis module, a feed storage module, one or more feed dispenser modules, one or more computers, and a control module; the video collection module comprises a video collection channel and a master-slave rotation camera zoom system, the master-slave rotation camera zoom system comprises a first camera, a second camera and a third camera, the first camera, the second camera and the third camera are used for monitoring set target areas, and the video collection channel is used for video collection of target frogs in a working area with a specific distance and angle; the video analysis module is used for detecting the existence state (whether or not the frogs exist) and the activity state in collected video. The automatic magnetic-lever-type frog feed dispenser is simple in structure, the operation step is easy, and large-scale feeding for the frogs can be achieved.

The invention relates to an electric-permanent-magnet breaker. The electric-permanent-magnet breaker comprises a movable contact group, a static contact group and an arc extinction chamber and is characterized in that the static contact group comprises a static contact seat and a permanent-magnet static contact fixedly connected with the static contact seat; the movable contact group comprises a movable contact seat, a movable contact and an excitation coil, the movable contact is electrically connected with the movable contact seat, the excitation coil is used for changing the magnetic pole of the movable contact to control the contacting and separating of the movable contact and the permanent-magnet static contact and winds the periphery of the movable contact, and pulse currents are applied to the end of the excitation coil. The electric-permanent-magnet breaker has the advantages that the breaker is simple in structure, the arc extinction chamber is completely sealed and isolated,the pulse currents are applied to the excitation coil to control the contacting and separating of the movable contact and the static contact, operation reliability is achieved, control convenience andflexibility are achieved, the service life of the breaker is prolonged, and accident occurrence rate is lowered.

The invention discloses a rotary ejection type automatic frog feed dispenser and a video analysis method. The rotary ejection type automatic frog feed dispenser comprises a video acquisition module, avideo analysis module, a feed storage module, at least one feed dispenser module, a computer and a control module; the video acquisition module comprises a video acquisition channel and a master-slave rotary camera zoom system, wherein the master-slave rotary camera zoom system comprises a first camera, a second camera and a third camera, the first camera is used for monitoring a set target area,and the video acquisition channel is used for video acquisition of target frogs in a work area with a specific distance and angle; the video analysis module is used for detecting the presence status(whether frogs exist) of frogs in the collected video and the activity status. According to the rotary ejection type automatic frog feed dispenser and the video analysis method, the structure is simple, the operation steps are simple, and feeding of large areas of frogs can be achieved.

The invention discloses an intelligent electromagnetic metasurface controlled by voice recognition, which comprises a digital programmable metasurface and a voice control system, and is characterized in that the voice control system comprises a voice recognition module, a computer and a digital-to-analog conversion circuit; wherein the voice recognition module obtains a recognition voice instruction, processes the recognition voice instruction to form corresponding serial port data and then sends the serial port data to the computer, and the computer receives and converts the serial port data into a format which can be processed by the digital-to-analog conversion circuit and then sends the serial port data to the digital-to-analog conversion circuit. The digital-to-analog conversion circuit generates a corresponding voltage sequence to control the digital programmable metasurface; the function of the digital programmable metasurface is regulated and controlled in real time through voice signals, the functions of wide beams, RCS reduction, vortex waves, beam splitting and the like can be effectively achieved, meanwhile, non-contact intelligent regulation and control are achieved, and wide application prospects are achieved in the aspect of acoustics and electromagnetic fusion communication.

A numerically controlled type hydraulic transmission system comprises a big gear, a high-sensitivity hydraulic motor, a servo encoder, a small gear, a lead screw, a spiral sliding block and an installation base, wherein the high-sensitivity hydraulic motor is connected with the lead screw through the big gear and the small gear, the high-sensitivity hydraulic motor drives the big gear to rotate, the small gear and the lead screw rotate along with the big gear, the lead screw is provided with the spiral sliding block which moves back and forth along the lead screw, the spiral sliding block is connected with a cutting tool, and the lead screw is movably connected to the installation base. The numerically controlled type hydraulic transmission system is characterized in that a dust guard is arranged on the outer edge of the lead screw and protects the transmission lead screw, and the servo encoder is installed at the tail portion of the lead screw and the installation base. The numerically controlled type hydraulic transmission system achieves programmable control and can change programs within the short time to meet the machining requirement of various products. The transmission torque is improved, the size of equipment is not increased, the valuable space of a factory building is saved for clients, and rapid and accurate stopping can be achieved when the equipment moves at a high speed.

The invention discloses an uplink reflection coefficient adjusting method for an intelligent metasurface RIS applied to the Internet of Things, and belongs to the technical field of communication, and the method comprises the steps: adding an intelligent metasurface in a wireless access system of fixed Internet of Things terminal equipment, dividing an array element of the intelligent metasurface into a plurality of sub-array elements, according to the principle that each sub-array element is matched with one user, a coefficient matrix and dimensions of the sub-array elements are obtained; phase deviation is adjusted in the coefficient matrix of the sub-array elements, so that the reflection coefficient of the intelligent metasurface is adjusted; on the base station side, an original channel link between the base station and the intelligent metasurface is decomposed through a block dimension reduction method, a communication signal of a user is received through a channel subjected to dimension reduction processing, the communication signal is filtered, automatic programmable parameter adjustment configuration control over the RIS is achieved, and the technical problem of the capacity of regulating and controlling a wireless channel is solved; the method does not need a complex iteration process, and reduces the calculation complexity.

The invention discloses an oil level detection device for an oil tank. A plurality of light beam emitters and a photosensitive element are arranged on the inner surface of the top wall of the oil tank; the plurality of light beam emitters are distributed in an annular array, and the photosensitive element is arranged at the central position of the annular array formed by the plurality of light beam emitters; light beams emitted by the light beam emitters have fixed deflection angles with the normal direction of the bottom wall of the oil tank; light beams emitted by the plurality of light beam emitters are refracted by oil liquid to form a plurality of light spots on the bottom wall of the oil tank; the photosensitive element is used for capturing the light spot and transmitting the position information of the light spot to the vehicle processor. The oil tank oil level detection method adopts the oil tank oil level detection device and comprises the following steps that light beams emitted by the light beam emitter pass through oil to form refracted light beams, and a plurality of light spots are formed on the bottom wall of the oil tank; capturing a light spot by using a photosensitive element, and transmitting the position information of the light spot to a vehicle processor; and according to the position information of the light spots, the oil depth and the oil mass ratio are calculated.

A numerical control hydraulic transmission system comprises a main gear, a high sensitivity hydraulic motor, a servo coder, a pinion, a lead screw, a spiral sliding block and a mounting seat. The highsensitivity hydraulic motor is connected to the lead screw by the main gear and the pinion, the high sensitivity hydraulic motor drives the main gear to rotate, the pinion and the lead screw follow to rotate, the lead screw is provided with the spiral sliding block and moves front and back along the lead screw, the spiral sliding block is connected to a cutting tool thereon, the lead screw is movably connected on the mounting seat, the numerical control hydraulic transmission system is characterized in that the outer edge of the lead screw is further provided with a dustproof cover for protecting the transmission lead screw, and the servo coder is mounted on the tail of the lead screw and the mounting seat. The numerical control hydraulic transmission system realizes programmable control,and can change a program in shorter time to meet the processing requirements of various products. A transmission torque is improved while the size of the device is not increased, a valuable workshopspace is saved for customers, and the numerical control hydraulic transmission system can be rapidly stopped precisely when needing to move at large speed.

The invention relates to an electro-permanent magnetic on-load voltage regulation switch. A tapping point switching circuit comprises a work contact, a transition contact and a transition resistor between the work contact and the transition contact; the work contact and the transition contact are both directly opposite to a moving contact, the moving contacts are connected with each other in parallel, each moving contact is fixed at one end of a permanent magnet, the other end of each permanent magnet is directly opposite to a moving contact driving mechanism; each moving contact driving mechanism comprises a driving body and a magnet exciting coil winding on the periphery of the driving body, and a pulse current is applied at the end portion of the magnet exciting coil. The electro-permanent magnetic on-load voltage regulation switch has the advantages that the structure is simple, the pulse current is applied at the end portion of the magnet exciting coil to control the opening and closing of each contact, the motion is reliable, the programmable logic control is achieved, the control is convenient and flexible, the service life of the switch is prolonged, and the accident occurrence rate is reduced.