49results about How to "Good expected effect" patented technology

An automatic switching wide-area control method for a wide-area emergency power source of an electric power system is disclosed, which comprise the steps: 1) a primary station terminal acquires wide-area state information and switch information of the electric power system; 2) the primary station terminal represents an action list of a load feeder switch of a transforming plant; 3) the primary station sends the action list of the load feeder switch; 4) a plant station terminal receives the action list of the load feeder switch; 5) the plant station terminal detects an automatic switching device (2) for the emergency power source; 6) the plant station terminal switches off circuit switches by the side of the automatic switching device for the emergency power source at first and then cuts off, according to a control instruction, the load feeder required to be cut off, and sends information to the primary station terminal (1). The control method takes the safety of equipment by the side of the distant emergency power source into consideration while controlling the emergency power source to automatically switch, which can avoid the accident of the electric power system spreading, and local small power sources are difficult to apply an interference, thus causing no accident of erroneous motion and motion denial, in addition, since the cooperative operation with a safety control device can be realized, the utilization rate of the automatic switching device for the emergency power source and the reliability of the transforming plant in supplying power can be enhanced directly.

The invention relates to a control system for automatically switching wide areas of a wide area backup power supply of an electric power system. A main station end comprises a data acquisition unit, a data processing unit and a data sending unit, wherein the data acquisition unit acquires wide area state information and information on each switch of the electric power system; the data processing unit provides a load feeder inter-tripping list of a transformer station; the data sending unit transmits load feeder inter-tripping list to a plant station end; the plant station end is provided witha main control unit which comprises a receiving unit, a detecting unit and a processing execution unit; the receiving unit receives and stores the current load feeder inter-tripping list of the station; the detecting unit detects whether a conventional action condition is satisfied on line; and the processing execution unit switches on a line switch on a backup power supply side first, then cuts off a load feeder required to be cut off, and finally sends 'ready action' information to a main station. The remote control and the remote communication between the main station end and each plant station end are realized through a special communication network of the electric power system. The control system can achieve the effect of realizing 'wide area control' according to 'state information of all electric power systems', and has reliable action processes.

The invention discloses medicinal steamed bread for treating diabetes. Every 100 grams of steamed bread contain 3-10 percent by weight of medicament which is prepared from the following raw materials in parts by weight: 10-6 parts of Chinese yam, 10-5 parts of gorgon euryale seed, 10-3 parts of fragrant solomonseal rhizome, 8-3 parts of common anemarrhena, 8-3 parts of Mongolian snakegourd root, 8-3 parts of sophora flower, 8-2 parts of sealwort, 8-2 parts of corn stigma, 6-2 parts of dwarf lilyturf root, 6-2 parts of asparagus, 6-2 parts of propolis, 6-1 parts of curcumin and 6-1 parts of mulberry leaf. The medicinal steamed bread can be used for relieving, improving, preventing and treating diabetes type I and diabetes type II, so that the aims of relieving, improving, preventing and treating with medicinal foods are achieved.

The invention provides an inversion sliding mode mechanical arm controller design method based on a finite time disturbance observer. According to the method, a dynamic model of a mechanical arm is established at first, then a finite-time disturbance observer for external disturbance is designed and stability analysis is carried out, real-time detection and online estimation on unknown disturbancequantity are carried out, a controller of a nonsingular terminal sliding mode is designed by using the obtained disturbance estimation information, in combination with an inversion and sliding mode control method, the control law of a system is solved by designing an intermediate virtual quantity, moreover, a reaching law control method is added, then the asymptotic stability of the system is proved by a lyapunov function theory, and finally, the asymptotic stability of the system is verified through simulation.

A method for drawing and transmitting a note containing graphics onto electronic bulletin board system (BBS) features that a contractible-and-enlargeable vector graphic (SVG) language is used to describe the graphic note, the loading technique is used for network program module, and the document object model (DOM) interface is used for interaction between SVG document and script. As a result, a user can directly drawing the note containing graphics and image elements on the Web page and store in the server.

The invention relates to a device for storing coal mine materials and discloses a dome sealed coal storage bunker which comprises a ceiling and a stop wall; wherein, the ceiling and the stop wall surround one coal storage bunker; a center column is arranged in the coal storage bunker and is connected with a stocker and a reclaimer; a feeder is arranged at the upper end of the stocker; a circular track is arranged on the upper part of the stop wall; a bracket of the stocker is connected with a mobile device capable of moving on the circular track; at least one end of the bracket of the stocker is provided with a space compensation mechanism in the radial direction of the center column. In the invention, nearly half the weight of the stocker is borne by the stop wall, so that the stress state of the center column is markedly improved and the operation is stabler; besides, the bracket of the stocker is provided with the space compensation mechanism, so that the stocker can automatically, reasonably and timely adjust the left-right deviation in the process of turning around the center column, thus effectively avoiding obstructed operation of the mobile device and the like caused by tightening of each connecting part.

The invention discloses a method for simulating cores of a multi-core processor by adopting the time division multiplex, which is characterizing by simulating N cores of the multi-core processor according to M processor examples, wherein the N is more than the M. The method comprises the following steps: S1, dividing the process of executing each instruction of each core of the multi-core processor into N steps on a single FPGA (field programmable gate array) plate, wherein each step is executed by one flow segment, and N flow segments form one flow line; and S2, sending the instructions of the N cores of the multi-core processor to the flow line sequentially and consecutively to execute the instructions. The invention realizes the simulation of the cores of the multi-core processor by using fewer FPGA resources.

The invention discloses a multimedia file play sound control method. The method comprises the following steps: receiving a play instruction of a multimedia file; current the volume of the current environment sound, judging whether the volume of the environment sound is less than a first preset value; when the volume of the environment sound is less than or equal to the first preset value, playing the multimedia file with the zero volume; when the volume of the environment sound is greater than the first preset value, playing the multimedia file with the volume at the second preset value; or setting the play volume of the multimedia file according to the current sound environment, wherein the second preset value is less than the volume of the environment sound. The invention further discloses a mobile terminal and a computer readable storage medium. By use of the control method disclosed by the invention, the play sound of the multimedia file can be controlled according to the ambient environment, and then other people around the under cannot be influenced when the user privacy is protected.

The present invention provides a system and method for fine-tuning the thickness of gypsum slurry. The method includes: detecting the actual value of the slurry accumulation height in real time; taking the absolute value as the difference between the actual accumulation height of the slurry measured by the ranging sensor and a given value. Deviation value, output a control signal after performing proportional, integral and differential operations on the deviation value; output the control signal to the frequency converter connected with the small flow screw pump; adjust the frequency converter frequency through the control signal to adjust the small flow screw pump The speed of the pump controls the flow of clean water. The technical solution of the present invention is a dynamic adjustment method, the system is stable, and the control accuracy is much higher than that of the pulp pump controlled in the past, which can reach 0.5%, which improves the quality of gypsum molding, the surface density of the board is uniform, the strength is uniformly increased, and the inner quality of the finished product is guaranteed. . The adjustment of the slurry does not require the operator to track and adjust all the time, which reduces the human labor, improves the automation level of the production line, and achieves better expected results.

The invention relates to a screw damper and floating slab track system. The screw damper and floating slab track system comprises a floating track slab and screw dampers used for supporting the floating track slab. Each screw damper comprises a threaded ferrule and an inner elastic barrel, wherein the threaded ferrule is used for supporting the floating track slab and provided with an internal thread, the inner elastic barrel is arranged on a foundation and provided with an elastic part and a threaded rod height adjusting part, the elastic part is arranged below the threaded rod height adjusting part and used for elastically supporting the threaded rod height adjusting part, the threaded rod height adjusting part is provided with an external thread in screw fit with the internal thread of the threaded ferrule, the screw fit depth of the inner elastic barrel in the threaded ferrule is adjusted by rotating the threaded rod height adjusting part or the inner elastic barrel, and thus stepless adjustment of the jacking and supporting height of the screw damper to the floating track slab is achieved. The leveling and jacking action of the floating track slab can be rapidly and accurately completed, and thus stepless adjustment of the height can be easily, rapidly and accurately achieved; the screw damper and floating slab track system has quite remarkable economic benefits and project benefits and has broad application and popularization prospects. The invention further provides an installation method and an installation device matched with the screw damper and floating slab track system.

The invention discloses a mistake-pedal-preventing pedal system for a vehicle. The mistake-pedal-preventing pedal system comprises a base, a brake pedal and an accelerator pedal, and further comprises a mistake-pedal-preventing pedal mechanism comprising an attraction iron core, a driven iron core, a coil, a controller, an angle displacement sensor and a return spring, wherein the attraction iron core is fixedly arranged in the brake pedal; the driven iron core is assembled in the accelerator pedal; the driven iron core synchronously rotates and axially slides in the radial direction relative to the accelerator pedal; engaged parts are arranged on opposite ends of the attraction iron core and the driven iron core; the return spring is connected between the other end of the driven iron core and the accelerator pedal; the coil is wound on the attraction iron core; the angle displacement sensor is mounted on the driven iron core; the coil and the angular displacement sensor are electrically connected with the controller respectively. The mistake-pedal-preventing pedal system disclosed by the invention is simple, accurate to judge, quick to respond, easy to mount, capable of greatly reducing a traffic accident due to the fact that the accelerator pedal is pedaled as a brake pedal by a driver under an emergency circumstance, and good in expected effect.

The invention relates to the field of machining, in particular to a ball milling device and a ball milling system thereof. The ball milling device comprises a ball milling part and a receiving part corresponding to the ball milling part; the ball milling part comprises a ball milling power unit and a ball milling rolling unit; the ball milling rolling unit comprises a mesh roller; the ball millingpower unit comprises a ball milling roller motor connected with the mesh roller, and the ball milling roller motor drives the mesh roller to rotate; and the receiving part comprises a receiving hopper arranged on one side of the mesh roller. The ball milling device further comprises a receiving spiral motor connected with the receiving hopper. The ball milling system provided by the invention isused for breaking various kinds of waste and especially for some solid matter which cannot be processed with a common method, the ideal desired effect can be achieved, and the technical effects that the structure is simple and reasonable, the manufacturing technology is advanced, operation is convenient, and maintaining is easy are achieved.

The invention discloses a personalized behavior recommendation method based on federal learning, and the method comprises the following steps: 1, collecting user behavior characteristic data, classifying the user behavior characteristic data, and dividing local clients according to the types of the user behavior characteristic data; standardizing the user behavior characteristic data, and constructing the standardized user behavior characteristic data into a characteristic matrix form; 2, establishing a local model at a local client; and 3, adding a dual subjective logic model in a federal learning algorithm based on interaction between the server side and the client side user, quantifying a reputation value of a local model, and finally uploading the trained model parameters and the reputation value to the server. Privacy security is facilitated, and the privacy of the user is stored in a local client; and group recommendation can also be carried out on the basis of recommendation of individual users.

The invention discloses a method for obtaining an angstrom-level smooth surface of yttrium oxide transparent ceramic. The method comprises the steps that acidic rough polishing liquid and alkaline fine polishing liquid are prepared respectively; an asphalt polishing disc is manufactured; rough grinding and fine grinding of the yttrium oxide transparent ceramic are carried out in sequence, and after the fine grinding is completed, the ceramic is placed in aqua regia to soak for 24 hours; the yttrium oxide transparent ceramic soaked for 24 hours is heated on a heating platform again, then is polished on the asphalt polishing disc with the rough polishing liquid after cooling, the ceramic is taken down after qualifying and cleaned, then the ceramic is finally polished on the asphalt polishingdisc with the fine polishing liquid, and is taken down after qualifying and cleaned. The surface roughness of yttrium oxide optical ceramic processed through the method reaches 1.65 angstroms, good expected effects are achieved, and the method is high in processing efficiency and low in cost.

The invention discloses a peak clipping and valley filling linkage demand response method and device based on an industrial enterprise resource pool, an electric power dispatching department puts forward a load regulation and control demand to a demand response organizer, the demand response organizer issues demand response invitation information to a demand response user, and the demand response user adjusts production operation electric equipment for response. An effective method is provided for an electric power company to solve the problem of load vacancy generated immediately after the demand response peak clipping event due to the fact that the actual response time period of part of industrial users exceeds the required response time period, the flexibility of demand response business can be improved, a load curve is helped to recover a stable state as soon as possible, safe and stable operation of a power grid is kept, and good application prospects are realized.

The invention belongs to the technical field of instruments and meters, and particularly relates to a magnetic field shielding device convenient to disassemble and assemble and an assembling method thereof. The magnetic field shielding device is used for being arranged on the periphery of the flow meter in a sleeving mode and shielding magnetic signals of the surrounding environment of the flow meter. The magnetic field shielding device comprises a shielding cover, a first hoop sleeve, a second hoop sleeve and a third hoop sleeve. The shielding case comprises a first case body, a second case body and a third case body which are detachable; the first hoop sleeve is connected with the left end of the shielding cover; the first hoop sleeve comprises a left first hoop sleeve part, a right first hoop sleeve part and a fastener; the second hoop sleeve is connected with the right end of the shielding cover; the second hoop sleeve comprises a left second hoop sleeve part, a right second hoop sleeve part and a fastener; the third hoop sleeve is connected with the upper end of the shielding cover; the third hoop sleeve comprises a left third hoop sleeve part, a right third hoop sleeve part and a fastener. The magnetic field shielding device is very convenient to disassemble and assemble, can be applied to a large number of existing products, and is very good in electromagnetic shielding effect.

The invention discloses an anti-misstepping pedal system for a vehicle, which includes a base, a brake pedal and an accelerator pedal; and an anti-misstepping pedal mechanism, which includes an attracting iron core, a passive iron core, a coil, a controller, an angular displacement sensor and Return spring; the attracting iron core is fixed in the brake pedal, the passive iron core is assembled in the accelerator pedal, and the passive iron core rotates synchronously in the radial direction and slides relative to the axial direction relative to the accelerator pedal; the attraction iron core and the passive iron core The opposite end forms an occlusal part; the return spring is connected between the other end of the passive iron core and the accelerator pedal; the coil is wound on the attracting iron core, and the angular displacement sensor is installed on the passive iron core. The coil and the angular displacement sensor are connected to the controller respectively. Phase electrical connection. The whole system of the present invention has the advantages of simple structure, accurate judgment, quick response and easy installation, and can greatly reduce traffic accidents caused by the driver mistakenly stepping on the accelerator pedal as a brake pedal in an emergency, and the expected effect is good.

The invention discloses a blending fabric formed by polyester cotton, corduroy and flax in an interweaving way. The blending fabric innovates in a way that the weight percentage of the components of the blending fabric is the polyester cotton takes up of 30 to 45wt%, corduroy of 30 to 35wt% and flax of 25 to 35wt%. The invention further discloses a color-protection technology for the blending fabric. The color-protection technology for the blending fabric innovates in a way that color protection process is conducted to the dyed fabric; and the color protection process is formed by shallow color protection process and dark color protection process. The blending fabric is advantaged by simple structure, light weight, fineness, evenness, bright color, strong wool touch feeling, great hand feeling elasticity and great moisture absorbing property; the color protection technology is simple, requires low raw material cost and has high production efficiency; great expected effect can be achieved; and the color protection technology is energy-saving and green, causing no pollution to the environment.

The invention discloses a personalized behavior recommendation method based on federated learning, comprising the following steps: step 1, collecting user behavior characteristic data, classifying the user behavior characteristic data, and classifying local clients according to the category of the user behavior characteristic data; Standardize the user behavior feature data, and then construct the standardized user behavior feature data into a feature matrix form; Step 2, build a local model on the local client; Step 3, based on the interaction between the server and the client user, in the A dual subjective logic model is added to the federated learning algorithm to quantify the reputation value of the local model, and finally the trained model parameters and their reputation value are uploaded to the server. It is conducive to privacy and security, and the user's privacy is saved in the local client; it can also implement group recommendations based on individual user recommendations.

The present invention is one kind of electronically resonant alcoholizing and preserving machine with high magnetic intensity, high alcoholizing speed, excellent preserving effect, capacity of large scale production and wide application range. The electronically resonant alcoholizing and preserving machine includes casing, electronic circuit and one or several energy generating machines. Each of the energy generating machines includes one or several energy source reactors each; and the electronic circuit consists of power source circuit, control and report circuit, heat dissipating circuit, resonance circuit and vibration amplifying output circuit. The present invention is suitable for the alcoholizing treatment of liquid or colloidal compound, and is especially suitable for the alcoholizing and preserving of wines, etc.

The invention relates to an electronic factory building fire protection method based on BIM and VR, using BIM technology, the scene is first built, building a one-to-one model with the actual scene, and then through the VR technology, the model is processed, adding interaction in the model, simulating the same situation as the scene of fire, through the VR equipment for safety experience. The invention realizes the scene simulation of the fire occurrence in the specific area of the electronic factory building based on BIM and VR, and carries out fire safety education and safety experience through the scene simulation, thereby improving people's awareness of dealing with the fire burst of the electronic factory building, and enabling people to have a better understanding of the fire of theelectronic factory building.

The invention discloses a constant force grinding control system and method. The system mainly comprises a robot, a grinding machine, a precision linear motion module, an AC servo motor, a pressure sensor and an industrial computer; the AC servo motor and the precision linear motion module drive the grinding machine to perform floating displacement. A robot drives a workpiece to continuously perform grinding on the floating grinding machine according to a pre-programmed running procedure, so that the grinding force can be controlled in the vicinity of the desired grinding force, and an actualgrinding force signal is transmitted to the industrial computer through the pressure sensor. The industrial computer uses a Kalman filter to process noise and uses a fuzzy control algorithm to achieveconstant force grinding. The constant force grinding control system and method of the invention can obviously improve the grinding quality; the sensing system adopts an efficient real-time control system, which can realize real-time data acquisition of the grinding force signal in milliseconds, and controls the AC servo motor to drive a sand disc to do vertical displacement to achieve constant force grinding in real time.

The invention discloses a blending fabric which is woven with polyester cotton, corduroy and flax blended yarns. The blending fabric is characterized in that a blended yarn contains 30-45 wt% of polyester cotton, 30-35% of corduroy and 25-35% of flax. The invention also discloses a color protection technique of the blending fabric. A dyed blending fabric is subjected to color protection processing including light color treatment and deep color treatment. The blending fabric is reasonably structured, light, fine, uniform and colorful, resembles wool type feeling, and is excellent in elastic feeling and hygroscopic performance. The color protection technique is simple in process, low in raw material cost, and high in production efficiency, and reaches excellent expected effect. The color protection technique saves energy, is environmentally friendly, and does not pollute environment.

The invention discloses brine concrete, a preparation method and a construction method. The brine concrete is prepared from brine, light burning powder, medium sand and macadam, wherein the mass radio of the brine to the light burning powder to the medium sand to the macadam is (1.4 to 1.5) to 1.2 to (3.1 to 3.5) to (4.5 to 5.0). The preparation method of the brine concrete comprises the steps of S1 brine mixing and S2 mixed material mixing. The construction method of the brine concrete comprises the steps of S1 roadbed trimming; S2 filling; and S3 joint construction. The raw material of the brine concrete can be obtained by extracting large amount of waste old brine resources in a salt lake, the cost is low, the initial coagulation is quick, and the temperature in a condensation process is relatively high, so that a road can be open as early as possible. The road constructed by the brine concrete provided by the invention is high in strength, high in rigidity, has no corrosion problem and has low maintenance cost at the later stage. Furthermore, the preparation method of the brine concrete provided by the invention is simple and convenient, and the construction quality of the pavement can be effectively ensured by combining the construction method and the brine concrete.

The invention relates to a connection processing method of ASCR and copper wire, belongs to the technical field of power supply line installation and solves the problem that when outdoor ACSR and the copper wire are connected, a white powder material can be generated to result in bad contact between the ACSR and the copper wire and to accordingly cause frequent outage and fire hazards. The technical emphasis of the connection processing method of the ASCR and the copper wire is to prevent rainwater or moist air from entering the contact surfaces of the ASCR and the copper wire. The connection processing method comprises the steps of firstly, cutting a piece of ASCR with steel core removed to connect with a house lead-in copper wire; secondly, enabling the two connected wires to penetrate a bamboo tube; thirdly, plugging the opening of the bamboo tube, which is close to the copper wire end; fourthly, filling molten tin into the bamboo tube; fifthly, reversing the bamboo tube after the molten tin is solidified and subjecting the other end of the bamboo tube to tin supplement; sixthly, removing the bamboo tube and sleeving the tin cylinder with a plastic tube; and lastly, connecting the ACSR at one end of the tin cylinder with the ACSR on an outdoor pole. According to the connection processing method of the ASCR and the copper wire, the joint of the ASCR and the copper wire can maintain good contact, cannot generate the white powder material and accordingly affect normal power supply and can eliminate the fire hazards. An attached figure is provided.

The present invention relates to a dual hand robot for track link trimming and an automating process using same and, more particularly, to a dual hand robot for track link trimming and an automating process using same which, with respect to a process of forging a track link used for an endless track vehicle, use a dual hand robot (1) that has a first hand part and a second hand part stacked vertically and is operated by separate cylinders, so as to ensure that a trimming process followed by a discharging process can be continuously and quickly performed.

The present invention is one kind of electronically resonant alcoholizing and preserving machine with high magnetic intensity, high alcoholizing speed, excellent preserving effect, capacity of large scale production and wide application range. The electronically resonant alcoholizing and preserving machine includes casing, electronic circuit and one or several energy generating machines. Each of the energy generating machines includes one or several energy source reactors each; and the electronic circuit consists of power source circuit, control and report circuit, heat dissipating circuit, resonance circuit and vibration amplifying output circuit. The present invention is suitable for the alcoholizing treatment of liquid or colloidal compound, and is especially suitable for the alcoholizing and preserving of wines, etc.

An automatic switching wide-area control method for a wide-area emergency power source of an electric power system is disclosed, which comprise the steps: 1) a primary station terminal acquires wide-area state information and switch information of the electric power system; 2) the primary station terminal represents an action list of a load feeder switch of a transforming plant; 3) the primary station sends the action list of the load feeder switch; 4) a plant station terminal receives the action list of the load feeder switch; 5) the plant station terminal detects an automatic switching device (2) for the emergency power source; 6) the plant station terminal switches off circuit switches by the side of the automatic switching device for the emergency power source at first and then cuts off, according to a control instruction, the load feeder required to be cut off, and sends information to the primary station terminal (1). The control method takes the safety of equipment by the side of the distant emergency power source into consideration while controlling the emergency power source to automatically switch, which can avoid the accident of the electric power system spreading, and local small power sources are difficult to apply an interference, thus causing no accident of erroneous motion and motion denial, in addition, since the cooperative operation with a safety control device can be realized, the utilization rate of the automatic switching device for the emergency power source and the reliability of the transforming plant in supplying power can be enhanced directly.

The invention relates to a vertical-type dry-concentration placer ore taking and magnetic concentration system and a method and in particular to a placer ore magnetic concentration system and a method. The ore taking and magnetic concentration system comprises an ore taking mechanism, a sorting device and a waste ore delivery device, wherein the ore taking mechanism and the waste ore delivery device are connected with the two ends of the sorting device. The ore taking method comprises the following steps of allowing a taker to swing leftward to take ore materials, setting a flow rate smaller than the preset value lower limit, pushing the taker leftward, re-ordering leftward push if the taker is not pushed to the left terminal, and pushing a small belt conveyor forward together with the taker after the taker is pushed to the left terminal; then reversing the taker to swing rightward to take ore materials, pushing the taker rightward when the rightward push is less than the preset value lower limit of the taking flow rate, and pushing the small belt conveyor forward together with the taker after the taker reaches the right terminal; and after the small belt conveyor is pushed with the maximum stroke, giving a movement warning to move the whole equipment forward. The system and method have the advantages that the ore taking system is good in efficiency and ore concentration quality, the harms to operators are reduced, and the consumptions of materials and energy are reduced.