65results about How to "Effective coordination" patented technology

The invention particularly relates to a design and setting method for an active disturbance rejection control system of a time delay system. According to the method, based on the active disturbance rejection technology, firstly, complex controlled objects are fit into a one-order inertial element plus dead time delay mathematic model, meanwhile, time delay comes down to the disturbance quantity, a time delay reduction linear extended state observer is applied to estimation of unknown total disturbance including the time delay, active compensation for the influences of the total disturbance on the system is achieved, the time delay system is restored into a system in an integrator tandem type in an ADRC standard, and then compensation for the time delay system is achieved; finally, a closed-loop transfer function of the system is deduced, a dead time delay link in a characteristic equation is eliminated, and the numerical relationship between an ADRC single-parameter setting formula with universality and adjustable parameters is correspondingly provided. The simulation result verifies that designed practical ADRC has good stability, rapidity, accuracy and disturbance rejection.

The invention discloses a stage multimachine wireless coordination system. The system comprises a lighting control subsystem, a sound control subsystem, a ZIGBEE network, network interface units, a WLAN(Wireless Local Area Network), a cloud central operation and memory unit and a 4G integral terminal. Through the adoption of the stage multimachine wireless coordination system, the effective coordination and the control of an acousto-optic system of a stage are realized, the system can be constructed in a wireless manner and can be expanded discretionarily, and remote control can be performed, therefore, the effect show of the stage is more coordinative and smooth.

Embodiments of the present application provide a data collaboration method and an electronic device to improve the efficiency of data processing in traditional centralized architecture. The data collaboration method is applied to blockchain nodes in the blockchain network. In one case, the data collaboration method is applied to the first node in the blockchain network. The method comprises: receiving a service request from a first terminal in physical domains of a first device; calling a deployed collaborative intelligent contract according to data demand information, sending data collaboration requests to other nodes in the blockchain network through the collaborative intelligent contract; acquiring feedback data sent by other nodes according to the data collaboration requests; and sending a service request response to the first terminal according to the feedback data. The physical domains of the first device are associated with the first node, and the service request includes the data demand information.

The invention discloses a rare earth polymer luminescent material with Tpy as a neutral ligand and preparation and application thereof, belonging to the field of luminescent materials. The invention overcomes the problems of great preparation difficulty, a long period, instable quality and performance, low brightness and efficiency, etc. of rare earth electroluminescent polymer materials in the prior art. According to the invention, a polymerizable Tpy rare earth complex and N-vinyl carbazole are used as monomers and subjected to radical copolymerization so as to obtain the rare earth polymer luminescent material with Tpy as the neutral ligand. The rare earth polymer luminescent material with Tpy as the neutral ligand is applied as a luminescent layer material or luminescent layer doping material for an electroluminescent device, and the prepared electroluminescent device has turn-on voltage of 12 to 37 V, electroluminescent brightness of 0.1 to 70 cd/m<2> and maximum external quantum efficiency of 0.37%. The prepared polymer can also be applied to an electroactive layer of a polymer electrical memory device. A synthetic method used in the invention is simple and easily practicable and is easy to industrialize.

The invention discloses a multi-motor distributed type control system under a wireless network. An IPC (Industrial Personal Computer) system exchanges information with motor drive systems through the wireless network, each motor drive system comprises a DSP (Digital Signal Processor) module, an FPGA (Field Programmable Gate Array) module and an Ether CAT interface, and the Ether CAT interfaces assist in achieving information exchange between the IPC system and the motor drive systems and among the motor drive systems. The invention further discloses a multi-motor distributed type control method, namely, the motor drive systems are activated after the IPC system is started, and the FPGA modules and the DSP modules enable motors to achieve needed operation after analysis of control information. The motor drive systems exchange information of control commands, motor states and the like through the wireless network; as for a large complicated multi-motor system, the complexity of system construction can be effectively reduced, and the system stability precision and robustness can be improved; and the system structure is dynamically matched and optimized and the performance is controlled according to actual needs.

The invention discloses a short-wave multi-station and single-satellite cooperative direct positioning method based on a two-dimensional direction of arrival, and the method comprises the steps: sequentially building an algebraic relation between the geographic coordinates of a to-be-positioned radiation source which can transmit a short-wave signal and a satellite signal at the same time and theazimuth angle and elevation angle of the transmitted short-wave signal arriving at different short-wave observation stations; determining a derivative expression of an array manifold vector in the short-wave observation station about geographic coordinates; establishing an algebraic relational expression between the geographical coordinates of the radiation source and the azimuth angle and the elevation angle of the emitted satellite signal reaching the single satellite; determining a derivative expression of an array manifold vector in a single satellite about geographic coordinates; and transmitting the acquired array signal data to a ground central station for processing, obtaining an optimization model for estimating the longitude and latitude of the radiation source based on the short-wave signal data and the satellite signal data, and performing numerical optimization to obtain an estimated value of the longitude and latitude of the radiation source. The method can remarkably improve the positioning precision of the earth surface long-distance radiation source.

The invention relates to a liquid premixed feed of composite mineral substance, comprising the following components by weight parts: 50-300 parts of iron salt, 50-200 parts of ferrous salt, 15-50 parts of copper salt, 50-100 parts of manganese salt, 20-100 parts of zinc salt, 300-500g of organic auxiliary agent, 1-3 parts of fishy smell fragrance, and 10-20 parts of water. The liquid premixed feed of the mineral substance inorganic salt related by the invention is dark brown liquid, uniform and stable and is light yellow-green liquid after being diluted by water. The mixed liquid has light fishy smell fragrance, can promote an animal to drink water, thus enhancing the physical strength of the animal, promoting the growth of the animal, reducing death rate and leading the animal to keep good mental status.

The invention relates to a supplier-oriented power grid engineering digitalized resource handover management system. A base frame module provides hardware foundations for a data module, a service module and an application module. The data module is based on a cloud storage architecture and adopts a sharding method to perform data management, query and application and provides data for the service module and the application module. The service module provides back-end logic service to the application module through the use of a 3D graphics engine method; the application module is based on the hardware of a rack module, obtains data from the data module, utilizes the back-end logic service of the service module and controls the output of the contents on a final interface. Compared with the prior art, the system of the invention has the advantages of providing more convenient and more efficient channels and ways for the supplier's digitalized resources to be handed over to a power company, improving the management level and efficiency, saving the cost of the enterprise hardware and software, and laying a solid foundation for big data application, intelligent decisions, and data platform support in the future.

A suspended baby walker for attaching to a ceiling and allowing vertical and restricted horizontal movement along a suspended track comprises a seat assembly defined as a conventional baby jumper seat, a suspension assembly having a pole portion a suspension connector, and a jumper rope, a mounting assembly defined by a strap connector, a mounting strap and a mounting bracket, and a mounting track which is attached to the ceiling. The seat assembly is rollably attached to the mounting track through the connection of the seat assembly to the suspension assembly, the suspension assembly to the mounting assembly, and the mounting assembly to the mounting track. In operation, a child disposed in the seat assembly can move the seat assembly horizontally back and forth along the length of the mounting track and can jump vertically without placing excess stress on the components due to the elastic nature of the jumper rope.

The invention discloses a cyanide-free gold electroplating solution and an electroplating process thereof, and belongs to the technical field of electroplating. The electroplating solution disclosed by the invention comprises 30-120 g/L of main complexants, 10-150 g/L of conductive salt, 20-80 g/L of carbonates, 0.1-15 g/L of other additives, 1-20 g/L of chloroauric acid and 0.1-1.0 g/L of stabilizers. According to the cyanide-free gold electroplating solution, hydantoin derivatives are used as the main complexants, and sulfites and tartrate are used as conductive salt; and then the stabilizers are added. In the electroplating process, complex gold ions can be adsorbed by the stabilizers effectively, and the stability of the electroplating solution is improved greatly; meanwhile, the effective coordination between the gold ions and the hydantoin derivatives can be promoted, and the electroplating efficiency is improved effectively. A gold plating prepared with the electroplating solution is fine in crystal, and high in binding force and corrosion resistance, and the electroplating solution is nontoxic, and high in stability, dispersibility and covering ability. Cyanide gold platingsolution can be replaced with the gold electroplating solution, and the gold electroplating solution has broad development prospects.

The present invention discloses sea cucumber functional food for assisting in improving memory and a preparation method thereof. The sea cucumber functional food consists of the following raw materialcompositions in parts by mass: 25-40 parts of sea cucumbers, 50-80 parts of American ginsengs, 10-30 parts of poria cocos, 40-60 parts of rhizoma polygonati, 20-40 parts of Chinese wolfberry fruits,15-20 parts of soybean lecithin, 10-25 parts of stachyose and 100-150 parts of soybean protein isolate. The preparation method comprises the following steps: 1) raw material processing; 2) soft material preparing; 3) granulating, drying and granule separating; 4) tableting; 5) testing; 6) sterilizing; and 7) packaging and storing. Medicinal and edible raw materials are scientifically combined, functional ingredients are effectively synergized, the prepared product is good in stability and has obvious memory improving functions, and the sea cucumber functional food is comprehensive and balancedin nutrition, convenient and quick to consume, and suitable for various people.

The invention relates to the technical field of photocatalysis and discloses a preparation method and application of samarium cuprate nano-photocatalytic powder. Preparation is performed by adopting an improved electrostatic spinning method and an electric field. The method is low in sintering temperature, and the samarium cuprate (Sm2CuO4) nano-powder is high in purity, uniform in particle size and large in specific surface area and has excellent photocatalytic performance on malachite green. The preparation method provided by the invention is easy to operate and low in cost; the preparationconditions are mild, and the condition that impurities are introduced or losses of metallic materials are caused is avoided; and the stoichiometric ratio of metal ions in precipitates can be ensured,and the method can be popularized and applied to industrial production. The prepared samarium cuprate nano-photocatalytic powder can serve as a photocatalyst and is applied to treatment of malachite green containing industrial and dye wastewater.

The invention discloses a voltage stability control method of a distributed power network, which can comprehensively utilize the load growth speed at the position of each voltage stability controllerto determine the load margin value of each voltage stability controller, and then utilizes the load margin value and the voltage stability controller to carry out stability control on the distributedpower network. On the one hand, the load growth of each voltage stability controller in the whole distributed power system is considered comprehensively. On the other hand, the voltage stability controllers are coordinated effectively. It ensures the stability of voltage control of the distributed power system and the stable operation of the whole distributed power system. In addition, the invention also discloses a distributed power network voltage stability control device, a device and a storage medium, and the effect is as above.

The preparation method of a magnetic nanoparticle supported precious metal catalyst comprises the following steps: grafting the silane coupling agent containing thiol to the surface of magnetic ferriferrous oxide nanoparticles, using the thiols on the surface to conduct the click reaction with vinyl organic ligand compound to form magnetic nanoparticle supporting complex, complexing with precious metal salt to acquire the magnetic nanoparticle supported precious metal catalyst. According to the method, the click chemical reaction is used to combine the magnetic nanoparticle surface and the vinyl organic ligand compound by covalent bonds, and solidly bind the ligand to the magnetic nanoparticle. At the same time the method can guarantee that the ligand is far from the supporter, and can coordinate with the precious metal in a better way to achieve the effect of homogeneous catalysis. Moreover under the external magnetic field, the catalyst is easy to be magnetized, and has the advantage of fast separation, fast recycling and reusable features. The method can lower the production cost, and enhance the production efficiency. The catalyst prepared by the method can be used in the coupling reaction and addition reaction of metal catalytic reaction.

The invention discloses an antioxidant formula for grease-containing food. The formula is prepared from the following raw materials in percentage by weight: 20 to 30 percent of ascorbyl palmitate, 1 to 3 percent of vitamin E, 1 to 2 percent of astragalus polysaccharide, 0.8 to 1 percent of calcium alginate, 0.06 to 0.1 percent of ethyl vanillin, 10 to 15 percent of coated antioxidant, 0.01 to 0.02percent of 2-isopropyl-4-methylthiazole and 0.8 to 2 percent of Para-Mentha-8-Thiolone. The antioxidant disclosed formula by the invention is reasonable, is particularly suitable for grease-containing foods, and can effectively improve the oxidation resistance of the foods and prolong the storage life.

The invention discloses an intelligent stage effect multi-machine coordination system which comprises a light control subsystem, a sound control subsystem, a first network interface unit, a second network interface unit, a general plug and play sub-controller, a bus type micro programming general plug and play access unit, a cloud center computing and storage unit and a remote control terminal, wherein the light control subsystem and the sound control subsystem are accessed into the multi-machine coordination system through the first network interface unit and the second network interface unit respectively; the light control subsystem and the sound control subsystem are connected with the cloud center computing and storage unit through the bus type micro programming general plug and play access unit, the general plug and play sub-controller and the network interface units; the remote control terminal is connected with the cloud center computing and storage unit. With adoption of the system, a stage sound-light system can be effectively coordinated and controlled, randomly expanded and can be controlled remotely, so that the stage effect can be displayed in a more coordinated and smooth manner.

The embodiment of the invention discloses a vehicle gear shifting control method and device, equipment and a storage medium. The vehicle gear shifting control method comprises the steps that in response to a gear shifting instruction including a target gear, according to the gear shifting instruction and a preset gear multi-way valve control relation table, the multi-way valve control state is setto be a target state, and setting operation is conducted through a multi-way valve according to the target state; whether setting of the multi-way valve is completed or not is judged; if the settingof the multi-way valve is completed, the control state of the multi-way valve is kept unchanged within the gear shifting execution time to enable a transmission to make gear shifting movement; and under the condition of monitoring that gear shifting of the transmission is completed, the control state of the multi-way valve is kept unchanged within the first preset duration, and the multi-way valveis kept stable. According to the embodiment of the invention, the control strategies like the multi-way valve switching state control mechanism and delay closing are introduced, effective cooperationbetween the gear selecting multi-way valve and a gear shifting actuator is realized, wrong actions of a shifting fork are avoided, and the working efficiency and execution accuracy are improved.

The invention discloses a network connection environment human-vehicle collision early warning system and method based on pedestrian intention recognition, and belongs to the technical field of intelligent traffic. According to the invention, the Internet of Vehicles cloud platform is used as a data interaction platform to carry out real-time pedestrian walking parameter and motor vehicle operation parameter acquisition on pedestrian mobile phones and motor vehicles; after the pedestrian movement direction is identified and the vehicle driving direction is predicted, whether a traffic accident occurs is predicted, so that the vehicle and the pedestrian are warned in advance, and the traffic accident of collision between the pedestrian and the vehicle is reduced. And a new accident model can be established and stored under the condition that no alarm is given and a traffic accident occurs, so that the whole system is improved. According to the invention, effective cooperation of pedestrians, vehicles and roads is realized, the safety of pedestrians can be comprehensively protected in traffic, vulnerable groups such as blind people in traffic can be helped to provide the possibility of free walking on roads, and the method has huge development potential.

The invention provides a multi-stream coupled industrial product order execution linkage method and system, and the method comprises the steps that an order generation module obtains the information filled by a purchaser in order creation, and synchronously generates a purchase order and a sales order; an order query module performs order query according to requirements based on order information of all purchase orders and sales orders and state nodes of the orders; an order approval module obtains purchase order information in a to-be-approved state, and performs approval according to a configured approval process; an order payment module pays order money for the generated order; an order receiving module selects to receive or reject the sales order to be received; an order change module carries out information change on the received orders; an order delivery module carries out delivery processing on the sales order in an order receiving state; an order logistics tracking module carries out logistics tracking on the delivered purchase order and sales order; and an order receiving module carries out receiving acceptance on the delivery quantity of the purchase order.