137 results about "Separation principle" patented technology

A technique using a curved channel of a spiral device to introduce a centrifugal force upon neutrally buoyant particles flowing in a fluid, e.g. water, to facilitate improved separation of such particles from the fluid is provided. As these neutrally buoyant particles flow through the channel, a tubular pinch effect causes the particles to flow in a tubular band. The introduced centrifugal force perturbs the tubular band (e.g. forces the tubular band to flow in a manner offset from a center of the channel), resulting in an asymmetric inertial migration of the band toward the inner wall of the channel. This allows for focusing and compaction of suspended particulates into a narrow band for extraction. The separation principle contemplated herein implements a balance of the centrifugal and fluidic forces to achieve asymmetric inertial equilibrium near the inner sidewall.

The invention discloses an identity and access control and management system and method in a cloud environment. The system comprises an identity and access control and management system (IAM), a user terminal and an application server. For different application services, integrated identity authentication and unified user management follow an identity authentication and access control separation principle, and user identity and access control management is realized. On the respect of user identity information management, from generation to cancellation of the user identity, a registration service provides self-help service for the user; on the respect of user authentication, a double-factor authentication technology is used for realizing the bidirectional authentication of the user and an authentication server and issuing an authentication bill to realize one-time authentication and multi-time use; and on the respect of access control and management, the access authority of the user is managed based on a role access control strategy of a user group, and the server is authorized to issue an authorized bill to the user. By adopting the identity and access control and management system and method disclosed by the invention, the user is convenient to manage the identity information, multi-time authentication is avoided, the authentication security is enhanced, and the illegal access of unauthorized users is prevented.

The invention discloses a method for direct recovery and restoration of a lithium ion battery positive electrode material, and belongs to the field of resource recycling. According to the method, waste positive electrode pieces of lithium cobaltate or lithium nickel manganese cobalt multi-element layered oxide or a positive electrode piece leftover material and defective products are used as a positive electrode material; the materials are classified according to the type of binder by component analysis, the binder is directly damaged, cleaning and separation of the positive electrode material and a current collector are realized; by use of a heavy liquid separation principle, the positive electrode and a conductive agent are separated; the positive electrode failure mechanism is studied by use of SEM (scanning electron microscope), XRD (X-ray diffraction), STEM (scanning transmission electron microscope), XPS (X-ray photoelectron spectroscopy) and other analysis means; chemical components of the positive electrode material with the layered structure not damaged can be repaired by high temperature roasting, the layered structure of the positive electrode material with disordered and defective crystal lattice can be repaired by dissolving with a hydrothermal reaction and then precipitation, and the positive electrode material with good charge discharge performances can be again obtained. The method avoids the dissolving leaching process, reduces waste liquid generation, and simplifies the technological process.

The invention discloses a beneficiation method for low-grade mixed copper ore containing molybdenum. According to the properties and characteristics of the low-grade mixed copper ore containing molybdenum, the copper and molybdenum bulk floatation and re-separation principle technological process is adopted, and high-efficiency concentration of minerals is achieved by using a combination of butyl xanthate and a high-efficiency collector M201 during copper and molybdenum bulk floatation operation; high-efficiency reagent removal of bulk concentrates is achieved through a concentration dewatering and fine grinding method during copper and molybdenum separation operation so that the impact of a large number of reagents existing in copper-lead bulk concentrates on copper and molybdenum separation can be reduced; and moreover, copper minerals are suppressed by means of suppressant F-6, so that separation of copper and molybdenum is effectively realized, and the copper content and molybdenum content of the concentrates are effectively reduced. Meanwhile, in order to stabilize the floatation indexes, the floatation process is optimized for site production, namely, branching and streaming floatation; accordingly, the purpose of comprehensive recovery and utilization of mineral resources is achieved.

The invention provides a denoising method for increasing the signal to noise ratio of seismic data, and belongs to the field of geophysical prospecting for petroleum. The data partitioning technique and the wave field separation technique are combined to suppress stochastic noise so as to increase the signal to noise ratio of seismic data. The method includes: partitioning the seismic data, subjecting each data block to complex field SVD (singular value decomposition) filtering, using the wave field separation technique for decomposition of characteristic values, using optimized characteristic values for data reconstruction, and replacing original frequency slices to realize suppression of the stochastic noise. Compared with the conventional SVD technique which assumes horizontal lineups, the method has the advantages that any relative time difference correction for the lineups is not needed, and denoising effects are stable. By means of the partitioning technique, unsteady state of inclination angle variation in actual seismic data can be overcome effectively, and time occupied by SVD and reconstruction is greatly shortened.

The invention discloses a novel integrated oil-water separation device, comprising an inner circular barrel and an outer circular barrel which are concentric, wherein the inner circular barrel forms a centrifugal separation area (2) and an adsorptive separation area (8) from top to bottom, and the inner circular barrel and the outer circular barrel form an annular-space gravity-settling separation area (5); the gravity-settling separation area (5) is provided with a clapboard, an oil-water mixture inlet (4) is formed on the upper part of one side of the clapboard, and a water through port for entrance in the centrifugal separation area (2) is formed at the other side; and the centrifugal separation area (2) is provided with an oil discharge port (12), and a water drainage port (15) is formed on the bottom of the adsorptive separation area (8). The novel integrated oil-water separation device disclosed by the invention has the advantages of being high in oil-water separation efficiency, simplicity in machining, as well as simplicity and convenience in operation by coupling a gravity principle with a centrifugal and adsorptive separation principle.

The invention belongs to the field of an electric system, and specifically relates to a method for suppressing large-scale photovoltaic power station power system low-frequency oscillation by utilizing an active-disturbance-rejection additional damping controller to adjust active output of a photovoltaic system. The method, taking a large-scale photovoltaic power station as an object of study, designs a photovoltaic power station active additional damping control strategy with active disturbance rejection control and MPPT control being combined, and designs and sets an active disturbance rejection controller through a separation principle; the angular velocity of a synchronous generator serves as the input of the active disturbance rejection controller; and the output signal of the controller is added to a constant power control outer ring after amplitude limiting, thereby achieving an effect of suppressing the power system low-frequency oscillation. The method has a good control effect for single-machine and multi-machine power system low-frequency oscillation; and the controller has high robustness.

The present invention discloses a safety operation control method of urban drainage networks. At present, urban drainage network system in our country is difficult to directly measure state information in a pipeline such as water flow, water level, water pressure, flow velocity and the like, a long delay from control input to water flow state changing is required so as to bring great difficulty for safety operation control of preventing a drainage pipeline from overflow, and therefore, an efficient and timely safety operation control method is lacked at present. A delay compensation proportional integral observer is employed to perform estimation and reconstruction of the water flow state of the drainage pipeline, a feedback control design based on the observer is performed, and methods such as the separation principle and the Lambert W function are employed to respectively perform gain solution of the observer and a controller. The safety operation control method of the urban drainage networks solves the difficulty of safety operation control for preventing urban drainage pipeline from overflowing, satisfies the accuracy and timeliness requirement of actual safety operation control and facilitates safe and reliable operation of a modern urban drainage network system.

The invention provides a high-fidelity image printing method, which comprises the following steps that Step 100, original color images are subjected to color separation processing to obtain color separation images; Step 200, the color separation images are subjected to frequency modulation screening to obtain modulated images; Step 300, the surfaces of printed carriers are subjected to sample making to obtain sample making printing carriers; Step S400, the plate making is carried out according to the modulated images and the sample making printing carriers to obtain plate making images; Step 500, the plate making images are subjected to multi-color chromatography. The high-fidelity image printing method provided by the invention is based on the multi-color color separation principle, is combined with the high-definition frequency modulation screening and high-fidelity printing sample making technology, and has the advantages that the definition, the color saturation degree and the uniformity of color images on the surfaces of printing carriers can be enhanced, and the high quality and the full digitization of the high-fidelity image printing process are realized.

The invention provides a printing method for fabrics. The method comprises the following steps of: carrying out color separation on printed patterns so as to obtain cyan, magenta, yellow, light black, light cyan, light red, sapphire and black patterns in the printed patterns; respectively carrying out screening and plate-making according to the patterns in each color so as to obtain a pattern plate corresponding to the patterns in each color; respectively preparing a color paste according to the patterns in each color so as to obtain a color paste corresponding to the patterns in each color; and carrying out pretreatment on fabrics, then sequentially carrying out superimposed printing on the fabrics by using corresponding pattern plates and color pastes, and carrying out ageing on the fabrics so as to obtain printed fabrics printed with the printed patterns. According to the invention, through combining with a principle of digital printers on the basis of a four-color separation principle, the operation of printing is performed by using an eight-color separation process, and through the adjustment on a drawing technique and a printing process, printing products are exquisite in effect, rich in color, and natural in transition.

The invention discloses a charge-induced sulphophile expanded adsorbent bed medium with hydrophobic nature and a preparation method thereof. In the composition of the medium, matrix is a composite microsphere with fibrin / inorganic weighting agent, petunidin is sulfonyl group and mercapto benzimidazole. The composite microsphere with fibrin / inorganic weighting agent is acquired by inverse suspension thermal regeneration and is taken as the matrix to mix divinyl sulfone, soda buffer solution and DMSO for activation, then swab-off active matrix, the mercapto benzimidazole and sodium hydroxide containing ammonium persulfate are mixed for coupling, thus acquiring the charge-induced sulphophile expanded adsorbent bed medium with the hydrophobic nature. The expanded bed adsorbing medium developed by the invention combines with three protein separation principles of hydrophobic charge induced chromatography, thiophilic chromatography and expanded bed adsorption, etc., which has the advantages of large density of the petunidin, large protein adsorption capacity, strong specificity, mild conditions of adsorption and elution, etc., and shows the characteristic of the integration of technology and process, thus being used for high efficient separation and purification of proteins such as antibody, etc.

The invention discloses an integrated Venturi air washing device. The device comprises two communicated barrels, wherein one barrel is a washing tower in which waste gas can be subjected to pre-washing treatment such as cooling and humidifying, and washing liquid can be injected and fully mixed with flue gas; the other barrel is a separation tower which mainly finishes gas-liquid separation; and the two barrels are connected into a whole through a communicating pipe. After being pretreated, the waste gas is washed and separated by using a Venturi effect and the cyclone separation principle. The Venturi air washing device is small in size, can be flexibly arranged, is easy to manufacture, is flexibly regulated, and can be suitable for large flue gas treatment, small workshop air purification and the like.

The invention relates to a method for preparing ceramic hollow microspheres by using a peristaltic pump assisted coaxial micro-fluidic system. The method comprises the following three steps: preparing precursor slurry, preparing a precursor and sintering. The dropping ceramic hollow microspheres precursor liquid drops are collected by utilizing a non-solvent induced phase separation principle, so that the outer surfaces of the dropping liquid drops are separated and cured, deformation and refusion of the liquid drops are effectively avoided, and the ceramic hollow microsphere precursor is obtained. The precursor is subjected to room-temperature drying and Muffle furnace sintering, and finally the ceramic hollow microspheres are obtained. Compared with the prior art, the ceramic hollow microspheres prepared by the invention are good in sphericity degree and controllable in sphere size and porosity, lots of energy and acid-base reagents do not need to be consumed, the process is simple and easy, and large-scale industrial production is easily realized.

The invention provides a vacuum membrane distillation water-treatment plant utilizing solar energy or waste heat, which belongs to the field of water treatment. The vacuum membrane distillation water-treatment plant comprises a membrane module, a distillation box, a cooling cylinder, a vacuum pump, a control system and a circulating system. The invention uses a vacuum membrane distillation method which has the separation principle that hot raw water to be treated passes through one side of the separation membrane, and the other side is vacuumized so as to form transfer vapor pressure difference on the two sides of the membrane; and the vacuum side only generates water vapor, and the water vapor is condensed into drinking water, thereby separating and purifying the raw water. The invention utilizes cheap energy sources, such as solar energy, low-grade waste heat and afterheat, or the like, and can recycle latent heat of condensation, thereby reducing the energy consumption. The vacuum membrane distillation water-treatment plant has the advantages of simple structure, small occupied area, low cost, high desalination rate, large membrane flux and the like, and can be operated continuously and realize automatic control.

The invention relates to an airflow classifying and airflow drying process for coking coal. In the process, coke oven flue waste gas is taken as a drying medium, the fluidization technology is adopted for drying the coal, and simultaneously the coal is classified into several classes according to particle sizes by an airflow separation principle. A device consists of a vibrating fluidized bed main body and a classifying collection device, wherein the vibrating fluidized bed main body comprises a primary air supply device, a vibrating main box body with an air distributing plate, a sedimentation classifying section and a drying section with a secondary air inlet; and the classifying collection device completes the final collection of small-particle materials through a group of dust collection devices or several groups of duct collection devices with different structures according to different requirements of the process on the classification of the particle sizes. The airflow classifying and airflow drying process has the advantages that: energy is saved, the wastewater generated in the coking process is reduced, the environmental pollution is lightened and the production capacity of the coke oven can be improved.

The present invention relates to an improved analog moving bed separation technology, and adopts a chromatographic column as an operation unit, and comprises a first section, a second section, a third section and a fourth section; each chromatographic column can move at a distance the same with the length of a column along the reversing direction of the flow phase in a given period of time so as to perform the interval switching; before the switching, the liquid that flows from the fourth section directly flows into the second section in cycling way; after the switching, after the flow phase of the liquid flows out from the fourth section is formed, the liquid directly flows into a new second section again in cycling way; moreover, the regeneration of the fixed phase of the first section is completed by assembling different solution with the flowing phases from the second section to the fourth section, and the flew liquid is not cycled to flow into the second section, but is completely collected as an extraction solution. The scientific principle for the separation technology of the present invention is the same with the separation principle of the conventional moving bed separation technology, but the separation technology of the present invention can simultaneously resolving the contradiction that the inlet liquid flow rate is large but the washing liquid consumption volume is less, and can obtain large inlet liquid flow rate while reducing the washing liquid consumption volume.

The invention belongs to the field of thermal power generation equipment and discloses a power station boiler combustor based on pulverized coal classified pre-burning-pyrolysis. The combustor is composed of a main combustor, an air supply pipe, a pre-burning chamber, a pyrolysis chamber and a pyrolysis gas nozzle. An elbow at the tail portion of the air supply pipe and a separating baffle divide the air supply pipe into a sparse pulverized coal pipe and a thick pulverized coal pipe which are respectively connected with the pre-burning chamber and the pyrolysis chamber. The pre-burning chamber and the pyrolysis chamber are in series connection. The pyrolysis gas nozzle is located at an outlet of the pyrolysis chamber. Pyrolysis products are divided into thick pulverized coal pyrolysis gas and sparse pulverized coal pyrolysis gas through a sparseness and thickness separation principle. The power station boiler combustor based on the pulverized coal classified pre-burning-pyrolysis is designed on the basis of an existing turbulent combustor. Classified pre-burning-pyrolysis is conducted on mixture of air and pulverized coal, the mixture is taken from an elbow at an inlet, heat and low oxygen environment required by pyrolysis are provided by a self pre-burning reaction, and therefore a structure and a system are simple, operation is stable, safety performance is good and operation benefit is high. The power station boiler combustor has obvious effect on stable combustion of a coal-fired power station boiler in low load operation.

The invention relates to a desulfuration and dust removal device based on the rotary mist spray and spiral gas-liquid separation principle. The desulfuration and dust removal device comprises a shell, a rotating shaft is arranged on the lower portion of the shell, the lower end of the rotating shaft is connected with a motor located below the shell, an inner cavity is formed in the rotating shaft, and a plurality of liquid outlet holes communicated with the interior of the shell are evenly formed in the side wall of the inner cavity. A gas distributing device is arranged at the bottom of the shell and communicated with a gas inlet pipe located outside the shell. The upper end of the rotating shaft is communicated with a first spray pipe through a rotary water pipe connector. The desulfuration and dust removal device has the advantages that waste gas and a lime solution make sufficient contact through the rotary mist spray method, and thus the waste gas treatment effect is effectively improved; the shell, a first baffle and a second baffle are arranged in a separated mode so that waste gas and a lime solution can be sufficiently separated, and the subsequent treatment effect is ensured; an antibacterial filter layer is arranged and used for removing bacteria and harmful particles in air.

The invention provides a transmitter branch phase mismatch detection and correction system comprising a signal separation module, a first signal path, a second signal path, a digital clock and a feedback signal path. Input signals (s) are decomposed into two paths of constant envelope and phase value variable signals by the signal separation module to act as the input signals of the first and second signal paths respectively according to the signal separation principle, and first and second phases (P1 and P2) are outputted. The first and second signal paths are used for transmitting the signals. Output of the digital clock is respectively connected with first and second numerical control time delay modules. The feedback signal path comprises a down conversion module, a low-pass filter, an analog-to-digital converter and a detection module. The mismatch value between the two branches can be effectively detected by the system and can be compensated back to the corresponding branches so that in-band distortion and out-band interference can be reduced to the highest possibility, and an LINC technology can be optimized.

The invention discloses a paint discharge printing technology with a digital printing effect. The technology comprises the following steps: (a) pre-treating the gray cloth; (b) carrying out ground color dyeing by adopting a dischargeable active dye; (c) drawing through a discharge print technology by adopting an 80%-color color separation drawing soft, manufacturing a net with a silk screen with a size of 100 to 200 mesh; (d) adopting discharge printing protoplasm, adding paint into the protoplasm, evenly mixing, then adding discharge printing powder, modulating discharge printing mill base, on the basis of the four color separation principle, further separating four colors into two sets of colors with different shades, namely 8 sets of colors, wherein one more set, namely discharge printing white slurry is also included, carrying out a printing treatment with printing equipment after the slurry mixing process; (e) baking the processed gray cloth for 3 to 5 minutes at the temperature of 150 to 160 DEG C after the printing process; (f) cleaning the cloth with clean water once with a water washing machine, carrying out a centrifugation treatment so as to remove the water, then carrying out a softening and shaping treatment, and finally rolling the finished product for transportation. The paint discharge printing technology is capable of rapidly producing discharge printing crafts with a digital printing effect, and the products produced by the technology are not easy to duplicate and counterfeit in the market.

The invention relates to an optimization control method, in particular, a non-strategy observer state feedback-based optimization control method. With the optimization control method adopted, the control performance of a linear discrete system with unknown parameters can be optimized. According to the method, a discrete linear augmentation system which is provided with a state observer and has unknown parameters in a system matrix is constructed, and performance optimization indexes are defined; on the basis of a separation principle, dynamic programming and a learning method, a non-strategy learning algorithm with unknown model parameters is presented, and an approximate optimal observer is designed, and an approximate optimal controller is designed, and therefore, a non-strategy learningalgorithm that fully utilizes measurable system output and control input data can be obtained; and an observer state feedback-based system optimization control strategy is realized. The method of theinvention does not require all system model parameters to be known, does not require system state parameters to be directly measurable, and can utilize measurable data to achieve the optimization ofspecified performance indexes.

The invention discloses a desulfurization and dust removal device based on a rotary spraying and spiral gas-liquid separation principle. The desulfurization and dust removal device comprises a devicecasing and supporting columns, wherein a rotating shaft is arranged at the lower part of the device casing and is connected with the output end of a driving motor; the driving motor is fixedly arranged at the lower side of the device casing; a hollow inner cavity is arranged inside the rotating shaft; a gas outlet plate is arranged at the lower side of the device casing; a first spraying pipe anda second spraying pipe are arranged in the device casing; a plurality of atomizing spray heads are uniformly arranged on the second spraying pipe; the first spraying pipe and the second spraying pipeare both connected with a water storage tank through a liquid draining pipe; a gas-liquid separating device is arranged above the first spraying pipe and comprises a base; a filter bag, an antibacterial filter layer and an activated carbon filter layer are arranged above the base; the supporting columns are fixedly arranged at the bottom of the device casing; damping devices are arranged on the corresponding supporting columns. According to the desulfurization and dust removal device disclosed by the invention, by using a rotary spraying method and arranging a striking plate, waste gases makefull contact with a lime solution and the treatment effect of the waste gases is effectively improved.

A whirlpool separator is composed of a casing and a drive shaft, wherein the casing is internally provided with a casing cavity and the drive shaft; the casing cavity is internally provided with a whirlpool wheel connected with the drive shaft; the whirlpool wheel is internally provided with a whirlpool chamber the middle of which is provided with a whirlpool chamber inlet, and the periphery of the whirlpool chamber is provided with a whirlpool chamber outlet; and the casing cavity is provided with a casing cavity inlet arranged corresponding to the whirlpool chamber inlet, and the casing cavity is provided with a casing cavity outlet. The whirlpool separator in the invention adopts a brand new separation principle and a method, makes full use of circular motion and fluid motion, and utilizes a whirlpool the rotation speed of which increases from the periphery to the center progressively to separate the fluid therein. The invention can be widely applicable to the fields of sewage treatment, refuse treatment, oredressing, sea water desalination, ocean chemical industry, hydrogen production, oxygen production, nano material manufacture, carbon dioxide decomposition, harmful gas decomposition, air conditioning, refrigeration, reactor, oil refining, air purification, dust abatement, dust absorption and the like, can provide inexhaustible clean energy, can thoroughly solve the energy problem and leads to industrial revolution in various industries.

The invention discloses a piston type axial flow pressure regulator which mainly comprises an axial flow regulation valve, a pressure regulation controller and a group of signal tubes connected with the pressure regulation controller and has the remarkable structure characteristics that separate flow passage, throttling and depressurizing functional component and guide mechanism functional component are designed in the axial flow regulation valve according to the separation principle. A cylinder sleeve is embedded between a valve seat and a valve sleeve to form an annular flow channel, and a piston is matched in the cylinder sleeve in a sliding manner to carry out pressure regulation and stabilization operation, so that the piston is guaranteed to be applied by the pushing and pulling action force in the axial direction only when sliding in the cylinder sleeve, the defects of large flow resistance, large vibration and high noise as the a turbulent flow is easily generated due to a meander flow passage with lower inlet and upper outlet of the traditional regulation valve are well overcome, and the technical effects of further improving the pressure regulation accuracy and pressure regulation stability are very obvious. The piston type axial flow pressure regulator has the outstanding advantages of simple and rapid structure, liability in production, low manufacturing cost, high pressure regulation accuracy, good stability of output pressure, safety and reliability in running and long service life and has very good popularization and application prospect.

The invention discloses a method for separating an eggshell membrane from an eggshell. The separation principle of the method is characterized in that a separation agent hydrochloric acid is added to a raw material eggshell, and the eggshell is immersed in a heat insulation mode to make lime and keratins undergo a chemical change and reduce the combination force between the eggshell and the eggshell membrane, so the membrane can be separated from the eggshell under continuous stirring. The separation method provided by the invention has the advantages of simplicity, practicality, and high eggshell membrane recovery rate; and the separated eggshell membrane can be used as a raw material for natural cosmetics, and enables face skins to become tender and smooth.

The invention relates to a separating and cleaning device for recovered residual plastic films. The separating and cleaning device is characterized in that the separating and cleaning device comprises a cleaning device, a film collecting device and a stalk collecting device; the separating and collecting device separates the residual plastic films from cotton stalks by utilization of solid-liquid two-phase separation principles; the separating and collecting device can separate the residual plastic films from the cotton stalks by utilization of the solid-liquid two-phase separation principles and can clean the residual plastic films; and reutilization after recovery of the residual plastic films is achieved. The separating and cleaning device is provided with two rows of staggered spraying heads with a certain angle. Strike of bubbles sprayed by the spraying heads and gas produced by explosive eruption allow water to surge, so that soil grains attached to the residual plastic films are washed out rapidly and the cleaning efficiency of the residual plastic films is high. The film collecting device and the stalk collecting device are respectively provided with grid plates. The grid plates are evenly distributed on rotary shafts and are arc-shaped, so that film collection and stalk collection are rapid and convenient. The separating and cleaning device is reasonable in layout, low in cost, convenient in operation, high in working efficiency, reduced in waste of labor, convenient to move and not limited to places.

The invention relates to a centrifugal device used for separating fine particles different in density in slurry and discloses a centrifugal separation device. The separation principle of existing centrifugal devices for separating fine slurry by proportion is characterized in that the slurry is kept in relative movement with a reel under the effect of inertia generated when the slurry flows along with rotation of the centrifugal reel, therefore laminar flow with velocity gradient is generated, and the purpose of separating by proportion is achieved by the aid of bagnold effect generated in the laminar flow. The devices have the defect that separation effect is affected due to the fact that the velocity gradient of the relative movement of the slurry is not easy to control. Through the centrifugal separation device, a mechanical excitation device capable of controlling action strength of the centrifugal separation device is utilized to apply dynamic excitation to a slurry material in a centrifugal field, the slurry material can be enabled to generate laminar flow having appropriate velocity gradient relatively to the centrifugal device, bagnold effect is enhanced, and the purpose of accurate separation is achieved accordingly.

The invention discloses a dynamic positioning ship control method based on a T-S fuzzy system. The method comprises the steps that (1) dynamic positioning system modeling of T-S fuzzy form is carriedout, wherein a dynamic positioning ship mathematical model comprises ship kinematics and dynamics models; (2) a T-S fuzzy observer is designed to estimate the state quantity and unknown disturbance ofa system; and (3) an observer-based controller is designed, and a state feedback controller is designed based on the estimated state quantity of the observer. According to the invention, the application scope of the separation principle of the T-S fuzzy observer-controller is extended; a new separation principle condition is studied; and the system stability is ensured.

The invention relates to a process for removing polyaromatic hydrocarbon pollutants from camellia oil. The process is technically characterized in that the process is implemented by applying a supercritical carbon dioxide extraction and separation principle and utilizing the characteristic that supercritical carbon dioxide has special camellia seed dissolving function, namely, the process is implemented by controlling the pressure and temperature of carbon dioxide adopting a special device to affect the supercritical dissolving capacity of carbon dioxide. Because the process omits the blank preparation procedure and key polyaromatic hydrocarbon generation procedure of the traditional oil hot press process, the polyaromatic hydrocarbon supercritical carbon dioxide in the camellia oil can be controlled effectively. By adopting the method, the content of polyaromatic hydrocarbons in the camellia oil can be controlled in the range stipulated by a commission regulation (EU) No 835 / 2011. The method can be widely used for large, medium and small-sized camellia oil producing and processing enterprises to produce camellia oil.

The invention discloses a cutting-type tea-picking machine, which comprises a tea-picking machine body, an outer casing is arranged on the outside of the tea-picking machine body, a rotating impeller is fixedly connected to the rotating shaft, and a tea-picking blade is arranged on the bottom of the rotating impeller, and the top of the driving motor A left-hand handle is provided, a tea stalk settling chamber is set on one side of the tea picking machine body, a tea stalk collection bag is arranged at the bottom of the tea stalk settling chamber, a tea settling chamber is set on one side of the tea stalk settling chamber, and a tea stalk settling chamber is arranged at the bottom of the tea stalk settling chamber. A tea collection bag is arranged, and a fan is arranged on one side of the tea settling chamber. The present invention adopts the principle of gravity sedimentation separation, under the same initial speed condition, the heavier tea stems have a shorter lateral movement distance, while the lighter tea leaves have a longer lateral movement distance, so as to realize the separation of tea stems and tea leaves, and this free movement The method does not cause mechanical damage to the tea leaves and produces broken leaves, does not require artificial separation, improves productivity, and improves the quality of tea leaves.