38results about How to "Realize independent control" patented technology

The invention provides a sea and air amphibious propeller. The propeller comprises a ducted propeller stator, air propellers, air propeller rotors, ducted propellers and ducted propeller rotors, wherein a group of magnets is fixed on the air propeller rotors and the ducted propeller rotors respectively, the air propeller rotors and the ducted propeller rotors rotate coaxially and are nested to thesame ducted propeller stator, and two coils corresponding to the air propeller rotors and the ducted rotors respectively are embedded into the ducted propeller stator. The air propellers are used foraerial propulsion, water propellers are used for underwater propulsion, and the both can work independently. During underwater propulsion, the air propellers are folded back and rotated at a lower speed to eliminate the resistance to the air propellers, and the shaftless ducted propellers work to generate propulsion. In the air, the air propellers are unfolded and rotate to generate propulsion, and the ducted propellers assist the operation. The shaftless ducted propellers have good propulsion performance under water, the air propellers are suitable for working in the air, and the air propellers are combined with the shaftless ducted propellers to realize efficient propulsion and free switching under water and in the air.

The invention discloses a preparation method of a three-frequency high-density plasma assisted magnetron sputtering film. The film is prepared from high-density plasmas enhanced by the inductively coupled discharge of a 13.56 MHz radio-frequency coil and the discharge of a 27.12 MHz radio-frequency substrate table by using a 60 MHz VHF (very high frequency) magnetron sputtering device. According to the novel preparation method of the three-frequency high-density plasma assisted magnetron sputtering film, disclosed by the invention, in the process of sputtering, by using three-frequency discharge, a high plasma density, a high ionic flux and a wide ion energy are obtained, so that defects that plasmas are low in density and low in activity in the process of reaction sputtering in the prior art are overcome, compositions of an obtained product film are close to those in theory, and properties are in line with actual requirements, thereby facilitating the industrialized production and application of advanced films.

The invention relates to the field of wireless communication system electronic devices, and discloses a broadband dual-frequency dual-circularly-polarized reflective array antenna with independent and controllable wave beams. The antenna comprises a dual-band broadband circularly-polarized feed source and a plane reflective array, and is characterized in that the dual-band broadband circularly-polarized feed source is placed near a focal plane of the plane reflective array; the planar reflection array comprises low-frequency and high-frequency dual-circular polarization phase shift units which are arranged in a common-caliber periodic staggered manner, and each dual-circular polarization phase shift unit comprises a circular patch layer, a metal ground layer etched with an I-shaped gap, two microstrip line layers with different lengths, a metal bottom plate layer and the like. According to the invention, the dynamic phase and the rotation phase are combined, the left-handed phase and the right-handed phase are independently regulated and controlled at the K wave band and the Ka wave band at the same time, and the final dual-frequency broadband characteristic of the reflective array antenna is ensured by adopting the forms of cross-shaped slot processing, microstrip line slot coupling patches and the like; and the antenna has the advantages of low profile, easy processing, easy integration, low cost and the like, and has important application prospects in the fields of satellite communication and the like.

The invention discloses a double-path parallel super-resolution laser printing device based on light field regulation and control, and belongs to the field of super-resolution laser micro-nano machining. Laser emitted by a direct-writing laser sequentially passes through a direct-writing path collimator, a direct-writing path anti-drifting system, a direct-writing path energy regulation and control module and a direct-writing path wavefront regulation and control module to enter a beam combining module; laser emitted by the suppression path laser sequentially passes through the suppression path collimator, the suppression path anti-drifting system, the suppression path energy regulation and control module and the suppression path wavefront regulation and control module to enter the beam combining module; the direct writing light is modulated in the direct writing path wavefront regulation and control module, the suppression light is modulated in the suppression path wavefront regulation and control module, and two pairs of direct writing-suppression light spot combinations are formed after the two paths of light are combined. According to the invention, through partition multiplexing of the SLM and utilization of the polarization selection characteristic of the SLM, double focusing light spots are realized on the basis of a direct writing light beam and a suppression light beam, independent regulation and control of energy of each light spot are realized, and the speed of a laser direct writing printing system is doubled.

The invention provides a wellhead combustible gas safe operation method based on adjustable annular suction discharge aiding. A wellhead safe operation system based on adjustable annular suction discharge aiding is used for achieving a suction effect on wellhead combustible gas. The system comprises a sand discharging pipeline, an adjustable annular suction discharge aiding mechanism, an ignitiondevice, a gas injection unit and a first gas injection manifold, wherein the adjustable annular suction discharge aiding mechanism connects a wellhead with the sand discharging pipeline; inert gas generated by the gas injection unit is provided for the suction discharge aiding mechanism by the first gas injection manifold so as to form a negative pressure suction effect; and the ignition device isarranged at the outlet end of the sand discharging pipeline and ignites the combustible gas discharged from the sand discharging pipeline. The wellhead combustible gas safe operation method based onthe adjustable annular suction discharge aiding has the advantages that a dual-passage suction and gas injection adjustable and controllable nitrogen gas injection suction method can be realized; thesafety risk of natural gas overflowing from the wellhead during open well operation such as trip operation and rubber core replacement performed under the condition of production of a small amount ofnatural gas from the stratum is eliminated; the field operation safety is obviously improved; the gas drilling speed acceleration advantage realization is facilitated; and the method is applicable tothe field of counterflush drilling.

The invention relates to a double-output-shaft independent speed regulating combined motor, belonging to the technical field of brushless motors. According to the invention, two rotors are arranged inthe motor and are respectively driven by corresponding stators, the independent regulation of rotating speeds and power of two output shafts can be realized, the relative positions of the two outputshafts can be accurately ensured, and two motor shafts can be coaxially or parallely arranged or can be arranged with an angle. The motor volume can be very small, the independent adjustment requirements of the output shafts of a double-output-shaft brushless motor are satisfied, the accurate relative position of the output shafts is ensured, the motor volume is minimized, and the motor has far-reaching implication in equipment miniaturization, precise control and cost reduction.

The invention discloses a bismuth telluride nanowire with a zigzag structure and a preparation method of the bismuth telluride nanowire. A solvothermal synthesis method is adopted; tellurium oxide, polyvinylpyrrolidone and potassium hydroxide are mixed and dissolved in ethylene glycol; oxygen in an obtained solution is removed in an inert gas protection environment; the solution is heated to a certain temperature, hydrazine hydrate is added, and heat preservation is conducted for a period of time; and a mixed solution of sodium bismuthate pentahydrate and ethylene glycol is added, and at the same time, injecting a certain amount of concentrated hydrochloric acid, and performing a reaction to obtain the bismuth telluride nanowire with the zigzag structure. According to the bismuth telluridenanowire with the zigzag structure and the preparation method of the bismuth telluride nanowire of the invention, the lattice thermal conductivity of the material can be significantly reduced under the condition of maintaining high conductivity.

The invention discloses a total-space electromagnetic regulation and control metasurface and a metasurface unit. The metasurface comprises a first electromagnetic wave coupling/decoupling part, a transmission layer and a second electromagnetic wave coupling/decoupling part which are arranged in sequence. A first patch is arranged on the surface of the first electromagnetic wave coupling/decoupling part; the transmission layer is conducted with the first electromagnetic wave coupling/decoupling part and the second electromagnetic wave coupling/decoupling part through the transmission line structure; the transmission layer is provided with an adjustable element which is used for dividing guided electromagnetic waves in the transmission line structure into reflected waves and transmitted waves and regulating and controlling the amplitude and the phase; and the second electromagnetic wave coupling/decoupling part is provided with a second patch. The invention aims to overcome the problem that rapid and accurate electromagnetic wave regulation and control cannot be realized in a conventional metasurface, and provides a method for regulating and controlling the amplitude phase and the polarization state of transflective electromagnetic waves. Through the method, the amplitude and phase of electromagnetic waves in a specific polarization state can be adjusted in real time.

The invention provides a wellhead safety operation method based on axial oblique-injection and suction drainage assistance. The operation method adopts a wellhead safety operation system based on theaxial oblique-injection and suction drainage assistance to realize the suction effect on combustible gas at a wellhead; the system includes a sand discharge pipeline, an axial oblique-injection and suction drainage assistance mechanism connecting the wellhead and the sand discharge pipeline, an ignition device, a gas injection unit and a first gas injection manifold; the first gas injection manifold provides inert gas produced by the gas injection unit to the inclined injection suction and drainage mechanism to form the negative pressure suction effect; and the ignition device is arranged at the outlet end of the sand discharge pipeline and ignites combustible gas discharged from the sand discharge pipeline. According to the operation method, a nitrogen injection suction method with doublechannel suction and adjustable gas injection can be realized, the safety risk of natural gas overflowing from the wellhead when "tripping operation and rubber core replacing" and other open well operation are carried out under the condition that a small amount of natural gas is produced from a formation is reduced, the safety of field operation is significantly improved, the operation method facilitates the development of gas drilling speed-up advantages, and is applicable to the field of reverse circulation drilling.

The invention discloses a preparation method of a radio frequency and very high frequency based double frequency magnetron sputtering film, which is implemented by using a double-target magnetron sputtering device, and comprises the following steps: (1) installing targets for preparing a two-component film, and putting a cleaned substrate into a vacuum chamber, wherein the distance between the center of a sputtering target to the center of a substrate platform is 130 mm; (2) vacuumizing the vacuum chamber to be 5*10<-4> Pa, then feeding argon into the vacuum chamber, and under the condition that the flow of argon is 30 sccm, keeping the pressure of the vacuum chamber at 5 Pa; (3) applying a very high frequency power supply with a frequency of 60 MHZ on one of the targets, adjusting the very high frequency power to be 150 W, applying a radio frequency power supply with a frequency of 2 MHZ on the other target, and adjusting the radio frequency power to be 50-250 W; preparing a two-component film on the substrate by sputtering. By using the frequency decoupling performance between radio frequency and very high frequency, the respective independent control on the ion energies of double sputtering targets is realized, and the approximation of plasma properties (energy, density) of each sputtering target is avoided, thereby facilitating the independent control on each component sputtering.

The invention relates to a gantry type manipulator removable spinal surgery robot. The gantry type manipulator removable spinal surgery robot comprises an operation table, X-direction guide control devices are arranged on two sides of the operation table in pairs, main swing arms are installed on the X-direction guide control devices through a main connecting base, main push bars are further installed on the main connecting base, each main push bar is connected to the lower end of each main arm to push the main arm to swing, the upper end connected with the main swing arms, of the main connecting base is connected with main positioning locks, a Y-direction guide device is further connected onto the main swing arms, a Z-direction guide control device is connected onto the Y-direction guide device, and main gantry manipulators are formed. The robot can map the surface coordinates of vertebrae in vitro, which is convenient to collect coordinate data of the bone surface accurately and rapidly, random switching of orthopaedic powder, pliers, soft tissue resection tools and other instruments can be realized through a drum instrument bank under the condition of 'heavy load', and precision operation of various different spinal surgery can be completed in the whole process; the advantages of large bearing capacity, good rigidity, dexterous structure, strong expansibility and the like are achieved.

The invention provides a cradle type massage armchair which comprises a supporting seat assembly. The supporting seat assembly comprises a base (1) and a lifting seat, the lifting seat comprises a first supporting frame (2), a second supporting frame (3) and a lifting mechanism (A), the first supporting frame (2) is connected with the base (1) in a sliding mode, the second supporting frame (3) is supported on the first supporting frame (2), the second supporting frame (3) is connected with the lifting mechanism (A) and is driven by the lifting mechanism (A) to move up and down in the first supporting frame (2); a massage chair body is included and pivoted to the second supporting frame (3) and connected with a posture adjusting mechanism, and the posture of the massage chair body is adjusted to be a sitting posture or a lying posture under the driving of the posture adjusting mechanism; and a controller is included and the posture adjusting mechanism and the lifting mechanism (A) are both connected with the controller. The problem that an existing massage armchair is single in function can be solved.

The invention relates to the field of wireless communication system electronic devices, and discloses a broadband dual-circularly-polarized reflective array antenna and equipment based on a reconfigurable dual-function layer. The antenna comprises an X-band broadband dual-circularly-polarized feed source and a plane reflective array, the dual-circularly-polarized feed source is placed near a focal plane of the plane reflective array, the plane reflective array is composed of two function-layer-stacked dual-circularly-polarized phase shift surfaces, and the dual-circularly-polarized phase shift surfaces comprise a left-hand circular polarization selection surface and a right-hand circular polarization reflection surface. According to the invention, broadband dual-circularly-polarized beam regulation and control are realized in an X wave band by using polarization selection characteristics and circular polarization rotation phases of the polarization selection surface, a left-hand phase and a right-hand phase are simultaneously and independently regulated and controlled, broadband phase shift response is realized by using a processing mode of miniaturization of units such as a meander line structure, and the antenna ensures the final broadband characteristic of the dual-circularly-polarized reflective array antenna, has the advantages of replaceable functional layers, easy integration, low cost and the like, and has important application prospects in the fields of satellite communication and the like.

The invention relates to a low-cost and high-efficiency pollutant and CO2 synergistic absorption-desorption decoupling method, which establishes a pollutant and CO2 synergistic absorption-desorption decoupling control optimization model under different working conditions, and takes low-cost and high-efficiency obtaining of high-purity liquid pollutants and CO2 as an optimization target. An adaptive penalty function is constructed to convert solution of a constrained optimization problem into an unconstrained optimization problem, and real-time, accurate and stable control of parameters is realized; and by means of flue gas pre-washing cooling, multi-stage intermediate cooling, tower top demisting and the like, efficient trapping of pollutants and CO2 is realized. According to the invention, the absorption process and the desorption process are decoupled, and coordinated regulation and control of each stage of temperature-pH-liquid-gas ratio and rich liquid flow-desorption temperature are carried out, so that efficient and low-energy-consumption coordinated capture-regeneration-concentration of pollutants and CO2 is realized, and the high cost of separated operation of an existing flue gas purification system and a carbon capture system is reduced.

The invention discloses a method and a corresponding device for the generation and the adjustment control of an adjustment controller for tridimensional graphs. The method for the generation of the adjustment controller comprises the steps of upon monitoring the tridimensional graph drawing operation on a first editing layer of a graph element, controlling the second editing layer and the third editing layer of the control graph to enter the editing mode; according to drawing parameters required for the tridimensional graph drawing operation and a preset first generation parameter, generatinga size adjuster associated with a tridimensional graph on the second editing layer; according to a preset second generation parameter, generating a rotation controller associated with a tridimensionalgraph on the third editing layer. Based on the method, an adjustment controller only suitable for tridimensional graphs is created for the tridimensional graph drawing operation on an electronic whiteboard in an independent three-dimensional scene. When a tridimensional graph needs to be rotated or the size of the tridimensional graph needs to be adjusted, the rotation or the size adjustment of the tridimensional graph can be realized simply and rapidly through the associated adjustment controller. The user experience of the drawing function application in the electronic whiteboard is effectively improved.

The invention discloses a hydro-cracking method of catalytic diesel oil. The hydro-cracking method comprises the following steps: (1) a catalytic diesel oil raw material enters a hydro-refining reactor to contact with a hydro-refining catalyst for reaction, and the reaction effluent enters a high-pressure separator; (2) high-pressure separation gas obtained at the upper part of the high-pressure separator is subjected to a desulfurization treatment and then is circulated back to the hydro-refining reactor or directly enters a hydro-cracking reactor without any desulfurization treatment, and aliquid phase obtained at the middle lower part of the high-pressure separator enters a low-pressure separator; (3) a liquid phase obtained at the middle lower part of the low-pressure separator entersa fractionating tower and is fractionated to obtain dry gas, liquefied gas, light naphtha, heavy naphtha and tail oil; and (4) the tail oil enters a hydro-cracking reactor and is in contact with a hydro-cracking catalyst for a hydro-cracking reaction, and the reaction effluent enters the high-pressure separator. The H2S and NH3 concentrations of the hydro-refining reactor and the hydro-cracking reactor are controlled in sections, so that the purposes of shortening the stabilization time at the initial stage of startup and prolonging the running period of the device are achieved.

The invention discloses a method for realizing source control beam regulation and control of electromagnetic waves by using a polarization confluence metasurface. According to the method, the metasurface with a row zero Jones matrix is designed, energy synthesis of two orthogonal beam electromagnetic waves is achieved, and then beam pointing regulation and control of emergent waves of the metasurface under the condition of different feed sources are achieved. Compared with a traditional polarization conversion device design, the metasurface achieved through the method has the anisotropic polarization conversion characteristic, in other words, energy of one incident polarization is subjected to polarization conversion, and orthogonal incident polarization of the metasurface is emitted in the original polarization direction; compared with a traditional metasurface scanning mechanism which carries out beam regulation and control by regulating and controlling each unit, the method can realize the control of the radiation beam by using the feed source, thereby greatly reducing the attenuation of the metasurface, and reducing the cost and design difficulty of the metasurface. The anisotropic chiral metasurface unit structure adopted by the invention can realize the design of a row zero Jones matrix, and the symmetrical operation can realize the regulation and control of a polarization conversion component 1Bt phase, thereby realizing the source control beam scanning of electromagnetic waves.

The invention provides a plant growth cabinet and a control method thereof. The plant growth cabinet comprises a plurality of areas used for cultivating plants and a control system used for independently adjusting cultivation parameters of each area. The control system comprises a controller and modules which are in communication connection with the controller and used for independently controlling each cultivation parameter; and the controller controls a working state of the corresponding module according to the preset cultivation parameters of each area. According to the plant growth cabinetprovided by the invention, the multiple mutually independent cultivation areas are arranged in a cabinet body, the control system is arranged on the cabinet body, and each cultivation parameter of each area is independently controlled through the controller and the multiple modules. When the cabinet is used, a user can plant different types of plants in each area, the corresponding cultivation parameters of the different types of plants are accurately adjusted, simultaneous cultivation and independent regulation and control of various plants in the same cabinet body are realized, and universality of use in the same time period is improved.