27 results about "Controllability" patented technology

The invention relates to a control method and a system of a helicopter rotor, which belongs to the technical field of helicopter operation. The control method is characterized in that the distance changing of a blade is realized by adopting an actuator positioned on the stinger of each propeller boss to drive a flap positioned at the rear edge of the blade, so as to realize the control of a rotor system. The system comprises a demountable flap (1) installed at rear edge of the blade, torque soft propeller bosses (14), an actuator (13) installed on the stinger of torque soft propeller bosses, a flap control mechanism (1) with one end being connected with actuator (13) and the other end thereof being connected with the flap (1), and a test control system (59). The control method and the system have the advantages that the screw piston of each blade can be independently controlled, the structure is simple, the weight is light, the controllability is good, and the reliability and the security are high.

The invention relates to a high-strength and high-modulus polyvinyl alcohol fiber and a melt spinning method of the high-strength and high-modulus polyvinyl alcohol fiber. The method comprises the following steps that polyvinyl alcohol, water and polyatomic alcohol are subjected to full swelling after being uniformly mixed; the polyvinyl alcohol subjected to the full swelling is added into a double-screw-rod extruding machine and is then subjected to full fusion to be extruded, and melt fine flows form a primary fiber after air blowing cooling; and the prepared primary fiber is subjected to the drying by a hot air drying oven, multistage stretching and tense heat setting to form the polyvinyl alcohol fiber. The preparation method of the prepared polyvinyl alcohol fiber has the advantage that through the hydrogen bond compounding among water molecules, polyatomic alcohol and polyvinyl alcohol molecules, the melt spinning and the high-power stretching of the polyvinyl alcohol are realized. The polyvinyl alcohol fiber prepared by the preparation method has the advantages of fiber degree controllability, high strength and high modulus, and can be widely applied to the field of civil engineering concrete.

The invention discloses a preparation method of high-purity rhenium powder, which comprises the following steps: purification, centrifugal atomization, primary reduction, secondary reduction and the like. A preparation method of high-purity rhenium powder is provided, starting from the two major processes of raw material ammonium rhenate powder preparation and ammonium rhenate calcination reduction, improving the reducibility of ammonium rhenate powder, reducing the driving force of powder growth, and achieving all stages The purity of raw materials is controllable; two-stage hydrogen reduction is adopted to increase the contact with hydrogen, which is conducive to the elimination of water vapor and provides powerful conditions for obtaining finer and more uniform powder.

The invention discloses a preparation method of a dual-scale titanium alloy material. The preparation method comprises the following steps that titanium alloy powder as the raw materials is subjected to low-temperature ball-milling, and fine-grain titanium alloy powder is obtained; the fine-grain titanium alloy powder and the titanium alloy powder as the raw materials are mixed, and the fine-grain titanium alloy powder in the mixed powder accounts for 5-95 wt%; and the mixed powder is subjected to degassing in a premade graphite mould, the degassed mixed powder is sequentially subjected to surface activation and discharge plasma activated sintering (PAS), and the dual-scale titanium alloy material is obtained. The production process is concise, short in period and high in structure controllability, and the compactness and mechanical property of the titanium alloy material can be effectively improved; and in the obtained dual-scale dual-phase titanium alloy material, dual-scale crystal grains are evenly distributed, the comprehensive mechanical performance is excellent, majority of industrial requirements are met, and the preparation method capable of achieving the industrially applied dual-scale titanium alloy material is provided.

The invention relates to the field of materials, and concretely provides a preparation method of an aerogel fiber composite felt, the aerogel fiber composite felt and an application of the aerogel fiber composite felt. Fibers are added into silica sol, and are uniformly distributed in the silica sol to prepare a mixed solution, the mixed solution forms aerogel in a composite fiber felt, and further ageing modification is performed to prepare the aerogel fiber composite felt. The weight proportion of the fibers is controlled to make the fibers form a three-dimensional network skeleton in the aerogel in order to further achieve the supporting effect, so the stability and the toughness of the composite felt are improved; and the ageing modification further improves the stability and the service life of the composite felt. The preparation method has the advantages of simplicity and controllability in production operation, time saving, and cost reduction. The composite felt prepared in theinvention has a low heat conduction coefficient, doubled flexural resistance and doubled compressive property. The composite belt can be widely applied, and meets demands of different uses and environments.

The invention relates to a method for realizing remote management and preservation of leased assets based on internet of things application technology in combination with software services, which comprises the following steps: 1) a monitoring terminal is provided, the monitoring terminal is connected with the leased assets, and operation information of a numerical control device is acquired; 2) the monitoring terminal sends the acquired data to a data acquisition end in batches, and the data acquisition end integrates the information and stores the information to a server or an acquisition cloud; 3) a financing lease management platform is applied, the server or the acquisition cloud is connected through a cellular network so as to read the data or the state of the numerical control device; 4) a worker logs in the internet of things platform through a control client and provides a data viewing request, so that effective monitoring of the leased assets is realized and the controllability of the lease is achieved; the server or the acquisition cloud displays the data of the corresponding numerical control device on a display page of the financing lease management platform. Accordingto the method, various solutions of asset management, after-sales management, security management, credit management, service management, production management and the like can be effectively provided.

The invention relates to a particle-size-controllable nano and sub-micron CeO2 preparation method which is characterized by comprising the following steps: by taking cerium nitrate as a solution, adding high molecular surface composite dispersant into the solution, heating the solution to 70-100 DEG C, adding a precipitant solution while stirring in the solution, filtering the precipitate, and then firing at 400-550 DEG C to obtain CeO2 having different particle sizes. The invention has the following advantages: the nano and sub-micron CeO2 prepared by controlling the concentration of the cerium nitrate and controlling the combination and addition of the composite dispersant based on a chemical precipitation method through precipitating, filtering and firing can achieve particle size controllability; the method omits water washing and drying operations; and the preparation method is simple in related equipment and steps, low in cost, low in energy consumption, simple to operate and controllable in particle size.

The invention relates to a hydraulic control system, in particular to a novel hydraulic control system for a combine harvester. The novel hydraulic control system for the combine harvester mainly solves the technical problems that when multiple valves are simultaneously operated by a hydraulic system of existing combine harvester operating mechanisms in the prior art, the largest output pressure of a pump can exceed the ultimate pressure which can be borne by the system, the hydraulic pump and pipelines are extremely prone to damage, the actual flow requirement differences of the operating mechanisms are large, a working pump always supplies full flow to each reversing valve, thus the flow requirements of the operating mechanisms can not be satisfied at the same time, and the controllability is poor. The novel hydraulic control system for the combine harvester is composed of a double-way slide valve, a straw shifting wheel one-way slide valve and a grain unloading one-way slide valve. The double-way slide valve is connected with a header cylinder, a left steering cylinder and a right steering cylinder through the pipelines. The straw shifting wheel one-way slide valve is connected with a straw shifting wheel cylinder through one pipeline. The grain unloading one-way slide valve is connected with a grain unloading cylinder through one pipeline. Oil return ports of the double-way slide valve, the straw shifting wheel one-way slide valve and the grain unloading one-way slide valve are connected in parallel.

The invention relates to a gravity separation-flotation combined beneficiation process for phosphate ores. The gravity separation-flotation combined beneficiation process for phosphate ores comprisesthe following steps: feeding phosphate ore pulp into a three-segment spiral chute gravity separation process to obtain reselected concentrate and reselected tailings; feeding the reselected concentrate into a desilicication reverse flotation process to obtain desilicicated concentrate and desilicicated tailings; feeding the desilicicated concentrate into a magnesium removal reverse flotation process to obtain double reverse concentrate and magnesium removal tailings; feeding the reselected tailings into a thickener to be concentrated to obtain a thick bottom flow; feeding the thick bottom flowinto a direct flotation process to obtain direct flotation concentrate and direct flotation tailings; feeding the direct flotation concentrate into a reverse flotation process to obtain direct and reverse concentrate and reverse flotation tailings; combining the desilicicated tailings, the direct flotation tailings and the reverse flotation tailings to obtain final phosphate tailings; and combining the double reverse concentrate with the direct and reverse concentrate to obtain the final phosphate concentrate. The process has the advantages that the desilicication reverse flotation is free ofslurry interference, the silicate removal efficiency is high, direct flotation is free of coarse grain level interference, the consumption of a reagent is low, the yield of a foamed product floatingin the beneficiation process is low, and a flowage structure is good in stability and high in controllability.

The invention provides a method and device for constructing the Linux system. The method includes: obtaining multiple software packages firstly, wherein the software packages are used for constructingthe Linux system; then determining the operation dependency relationship between the software packages based on a preset operation dependency detection rule, and then based on a preset compilation dependency detection rule, determining a compiling dependency relationship between the software packages, then determining a compiling sequence between the software packages based on the compiling dependency relationship and the running dependency relationship between the software packages, and finally recursively compiling the corresponding software packages based on the compiling sequence betweenthe software packages so as to construct the Linux system. By means of the method, the software package used for constructing the Linux system can obtain the determined compiling environment based onthe clear software package dependence relation so as to construct the controllable Linux system, and the requirement for controllability of the compiling environment in the Linux system constructing process can be met.

The invention discloses a mold for preparing a solid-phase extraction stirring bar and a preparation method thereof. The mold comprises a coating layer molded member and a pedestal; the central part of the coating layer molded member is provided with a circular through hole; the pedestal is a disk having the central part provided with a molded member positioning groove and a stirring bar positioning groove. The preparation method comprises the following steps: the stirring bar is inserted into the stirring bar positioning groove of the mold; then a film-casting liquid is injected into the mold, and the film-casting liquid is subjected to in situ solidification molding in the mold through chemical reaction, heating and illumination ways; and the stirring bar and an extraction coating layer coating the exterior of the stirring bar are together divorced from the mold. The method for preparing the solid-phase extraction stirring bar by utilizing the mold molding way has the characteristics of no need of large equipment, simple and fast manufacturing method, good controllability of the extraction coating layer size, high combination degree of the extraction coating layer with the stirring bar and the like.

The invention discloses a wire type anti-detachment transfer printing body based on controllability. The wire type anti-detachment transfer printing body comprises a main transfer printing body capable of wetting or containing stamp-pad ink, and the outer face of the main transfer printing body is a transfer printing face. The wire type anti-detachment transfer printing body is characterized in that the interior of the main transfer printing body is connected with at least one wire, and the two ends of each wire stretch out from the inner face of the main transfer printing body, and traction ends are formed; the main transfer printing body and a stamp shell are connected through the wires, when a non-detachment shell is forcibly peeled off, the main transfer printing body can be torn undertraction of the wires, the situation that the non-detachment shell is integrally peeled off and used with spite is avoided, the protection function can be prompted through labeling, a user cannot conduct peeling arbitrarily, and the probability that the transfer printing body is peeled off and the stamp is embezzled with the spite is reduced; and if the wires are shorn, an alarm signal can be provided for a circuit assembly, the intelligent control loophole is reduced, and controllability is more comprehensive.

The invention provides a high-pressure cleaning oiling system. The high-pressure cleaning oiling system comprises a cleaning oiling system. The cleaning oiling system comprises a cleaning system, an air drying system, an injecting system and an air pump pressure gauge; the left end of the cleaning oiling system is connected with an air supplying device in series and the right end of the cleaning oiling system is connected with an injecting head in series; a main deflation valve and a main air outlet valve is sequentially connected between the air supplying device and the cleaning oiling systemin series. The invention further comprises a high-pressure cleaning oiling method of the high-pressure cleaning oiling system. The method mainly comprises steps of cleaning, air drying and oiling. The system is easy and convenient to operate, strong in controllability, good in cleaning effect, good in oiling effect and capable of realizing the complete coverage of lubricating oil.

The invention discloses a novel intermediate (II) and a method for preparing a 2-arylnitrile-thiazole derivative (I) by a coupling reaction of the novel intermediate (II) and a compound shown in the formula (III). In the formulas, X represents Cl, Br or I, Y represents F, Cl, Br, I, N2, -OSO2Ra, -OCORa or -OSi(Ra)3, R1 represents C1-6 alkyl or C6-10 aryl, Ra represents C1-6 alkyl or C6-10 aryl, and the C1-6 alkyl or C6-10 aryl is independently and optionally replaced. The preparation method has the advantages of mild technical conditions, less impurities, simple processes, safety and controllability and low energy consumption and is especially suitable for industrial production. The invention also discloses a method for preparing the novel intermediate shown in the formula (II). The preparation method utilizes cheap materials, is free of separation purification and greatly reduces a reaction cost.

The invention provides a CAN (Controller Area Network) bus communication control system and a communication system, the communication system is based on an SoC (System on Chip) framework consisting ofan MCU (Microprogrammed Control Unit) kernel and an FPGA (Field Programmable Gate Array) kernel which are integrated in the same system on chip, and a CAN bus controller module, an MCU bus mapping module and a CAN bus interrupt signal mapping module are arranged on the basis of logic resources in the FPGA kernel; the CAN bus between the MCU and the off-chip external CAN equipment is integrated inthe chip, the number of the CAN buses can be dynamically configured, and priority classification control of the MCU kernel on each CAN bus controller module is realized, so that the expansibility andusability of the MCU are improved, the design and application complexity of mounting the external CAN equipment by the MCU is reduced, a user can quickly apply the CAN buses, the dependence of the CAN bus priority on the CAN equipment node is reduced, and the controllability of the MCU on the CAN equipment node priority is enhanced. The invention also provides a method for dynamically configuringthe priority of each equipment node of the CAN bus.

The invention discloses a casement window structure in a unit curtain wall. The structure comprises a curtain wall body, curtain wall glass and side window body component, wherein the side window body component is arranged on a side wall hole between the end part of the curtain wall glass and the curtain wall body. The casement window structure in the unit curtain wall is combined with the characteristics of factory processing, quality controllability and strong integrity of the unit type curtain wall, and uses the curtain wall shaping characteristics for designing the casement structure in the side wall hole of the curtain wall; the casement uses a mold opening profile for replacing a traditional structure of double frames and embedded glass, so that the used material types are largely reduced, and the processing procedures are reduced; and the dead weight of the glass is about 4-5 times of the weight of the aluminum frame, so that the dead weight of the window body is largely reduced, the load on hardware is reduced, the service life of opening hardware is prolonged, and the user opening and closing operations are easy and free.

The invention discloses a high-performance weather-proof material applied to instruments and meters and a preparation method thereof. The high-performance weather-proof material applied to instruments and meters is composed of, by weight, 30-45 parts of main ingredient, 3-5 parts of ferric sulfate, 0.05-0.1 part of iodic acid, 0.03-0.05 part of acetic acid, 0.05-0.15 part of citric acid and 80-100 parts of water, wherein the main ingredient is composed of, by weight, 70-85 parts of emulsion, 4-10 parts of carbon black pulp and 5-10 parts of water. The high-performance weather-proof material has the advantages of excellent physical and mechanical properties as well as good anti-corrosion and wear-resisting properties. The preparation method is good in controllability and low in cost.

The invention discloses a preparation method for solar blind type deep ultraviolet plasma resonance nanoparticles. A laser liquid phase ablation device is adopted. A laser liquid phase ablation methodis used for preparing metal nanoparticles with a local area surface plasma resonance effect; the preparation method is simple; and a reaction product is pure, so that impurities are not easily introduced. Ascorbic acid is introduced as a carbon source, so that the metal nanoparticles can be wrapped with a carbon layer with a certain thickness, and the stability and oxidation resistance of the product can be effectively improved. The experimental controllability is high. By adjusting laser energy and ablation time, the particle size and the oxidation degree of the metal nanoparticles can be regulated and controlled. The prepared metal nanoparticles can be used for enhancing the light absorption of light (240-260nm) in the extremely deep ultraviolet waveband.

The invention provides a biochemical tubular reactor for water treatment. The biochemical tubular reactor for water treatment is suitable for sewage treatment and can solve the problems that in a biological method water treatment device, the effective microorganism concentration is low, the contact efficiency of microorganisms and sewage is low, and the biochemical reaction controllability is poor. The biochemical tubular reactor for water treatment comprises a tank body which is connected with a water inlet tube, and biochemical tubular reaction units are arranged in the tank body; the biochemical tubular reaction units comprise working tubes which are sequentially connected through connecting tubes, sewage treatment units are arranged in the working tubes, water inlets of the working tubes are formed in the tank body, and water outlets of the working tubes stretch out of the tank body through a water outlet tube. According to the biochemical tubular reactor for water treatment, reactor technology conditions are controllable, the flow velocity and the water distribution uniformity are improved, the strain utilization rate is promoted to be increased, and the sewage and strains are mixed and contacted fully; the effect that pollutants are removed by means of the microorganisms is significantly enhanced, biomass is increased, the activity of the biomass is improved, physical conditions and biochemical conditions of technology operation are guaranteed, and efficiency improving and consumption reducing of a system are achieved.