32results about How to "Capable of self-adaptive adjustment" patented technology

The invention relates to a method for allocating network resources. The method comprises the following steps: establishing a plurality of resource management channels in a central site according to the property of the network traffic, partitioning each branch site attached to the central site into a plurality of zones corresponding to a plurality of resource management channels, and performing bandwidth reservation and maximum bandwidth speed limit on the network traffic of the branch site in a zone corresponding to each resource management channel. The invention also relates to a system for allocating the network resources. The system manages the network traffics of operations in different types, levels and geographical positions via the resource management channels, and carries out bandwidth reservation and maximum bandwidth speed limit on the resource management channel based on DiffServ QoS technology, so that the network has a certain self-adaption adjusting capacity. Under the situation that congestion is caused by network traffic burst, the system avoids TCP synchronism caused by the wide difference between the bandwidths of the central site and the branch organization, increases the utilization rate of bandwidth access and maintains the normal running of network application.

This invention discloses one mixture power filter and its control method, wherein, it comprises the following structure: forming filter branch by source filter and filter without source and the branch and the needed non-linear load are connected; it also comprises electricity network current test device and compensation tester with one end of test connected with input circuit and other end with source filter and the tester two one end is connected to filter branch and other end with source filter.

The invention discloses a thermo-acoustic three-phase alternating current generating system driven by a double-temperature-position heat source. The thermo-acoustic three-phase alternating current generating system comprises a magnetic fluid electric generating device and a thermo-acoustic converting device forming a loop. The loop is filled with a phase-changeable work medium, the liquid phase of the phase-changeable work medium serves as the work medium of the magnetic fluid electric generating device, and the gas phase of the phase-changeable work medium serves as the medium of the thermo-acoustic converting device. The magnetic fluid electric generating device and the matched thermo-acoustic converting device serve as a loop unit, the thermo-acoustic three-phase alternating current generating system at least comprises two loop units, and the loop units are communicated with each other to share the phase-changeable work medium. A certain amount of acoustic power is produced through a gas-liquid phase change thermo-acoustic converting mechanism, and a traveling wave thermo-acoustic engine serves as an amplification stage to amplify the produced acoustic power. A medium temperature heat exchanger and a high temperature heat exchanger are different in heating temperature, the double-temperature-position heat source can be used for driving the system to work, and the utilization rate of a medium and low temperature position and low grade heat source can be increased. Gas-liquid phase change exists in the system, and therefore the self-adaptation adjusting capacity is achieved.

The invention relates to a preparation technology of compressed air and aims to provide a low energy consumption general multi-mode smart adsorption drying method for preparing compressed air. An adsorption drying system is targeted at parallel operation of a double adsorption barrel and a multi-adsorption barrel; air flow organization of hot air flows are performed from an upper part of a regeneration adsorption barrel downwards to realize regeneration of an adsorption agent; the method includes a heating and regenerating stage for waste heat of compressed air, a voltage discharging stage, fanning, deepening and heating stage and a circulating and cooling stage. The method disclosed by the invention has the advantages of (1) low energy consumption, fully utilizing compressed waste heat and environmental cooling capability; (2) multi-module design, realizing multi-layered dew point control; (3) multi-module regeneration, ensuring long-time work of a drying agent; (4) self-adjusting capability; and (5) digitalized efficient analysis. According to the method provided by the invention, optimal control of the drying agent monitored in real time based on the wet height of adsorption barrels is utilized, long-time and smooth operation of the whole adsorption technology is ensured, long-time and stable work of the drying agent is ensured, and the replacement cost is greatly reduced.

The invention discloses a gas proportional valve. The gas proportional valve comprises a main valve body, a first regulating valve and a second regulating valve. A gas inlet, a gas outlet and a gas storage chamber communicating with the gas inlet are formed in the main valve body. The first regulating valve is installed in the gas storage chamber. The first regulating valve comprises a first valvebody and an opening degree regulating assembly. An inner chamber of the first valve body is divided into a first chamber and a second chamber by the opening degree regulating assembly. The first chamber communicates with the gas outlet and communicates with the gas storage chamber through a first gas port formed in the first valve body. The opening degree of the first gas port is regulated by theopening degree regulating assembly according to the quantity of gas entering the second chamber. The second regulating valve can switch between the gas supply state, the gas exhaust state and the keeping state by changing the input electric current. According to the gas proportional valve, because the first regulating valve and the second regulating valve are used in combination, the state of thesecond regulating valve is unceasingly regulated according to contrast between the pressure of the gas outlet and the required pressure so as to enable the pressure of the gas outlet to reach the required pressure, and the gas proportional valve can achieve self-adaptive regulation during installation.

The invention provides an online data flow QoS (Quality of Service) identification method based on a service type, which comprises the following steps: S1, classifying by using a part of historical flow with historical labels, carrying out offline model training, establishing an initial classification model, and installing the model in a controller in an SDN (Software Defined Network) to serve asan initial classifier; and S2, when the data flow reaches the switch, matching the data packet of the data flow with a forwarding flow table in the switch, if matching succeeds, performing operation according to an instruction designed in the forwarding flow table, and otherwise, packaging the data packet of the data flow and uploading the packaged data packet to a controller. The method providedby the invention can obtain very high accuracy, has self-adaptive adjustment capability, and can be used for space-ground networks at different time and different geographic positions.

The integrated assembling-free flexible coupling is one cylindrical body including two connecting ends and flexible mechanism in the middle part, and the connecting end has one connecting hole and one slot to divide the connecting hole into two parts. There are one screw hole in the direction perpendicular to the slot and one screw fitting the screw hole. The flexible mechanism is formed with parallel circular sheets connected together. The integrated assembling-free flexible coupling has compact structure, no friction, no need of lubricating, long service life, less influence of environment temperature, easy-to-obtain machining precision, low cost, smooth motion transfer, self regulation of axial error, shock buffering and convenient assembling and disassembling, and is especially suitable for the field with moisture, great impact, frequent starting and frequent rotation direction change.

The invention discloses a temperature characteristic compensating method and a temperature characteristic compensating circuit for a control system, wherein a thermistor is arranged in a corresponding position of a control circuit, and automatic adjustment of the control system along with ambient temperature variation is realized by utilization of the characteristic that the resistance of the thermistor is changed along with temperature variation, namely the control system can be subjected to parameter adjustment and can be also subjected to simple structural switching. The temperature characteristic compensating method and the temperature characteristic compensating circuit for the control system can make the control system have certain self-adaptive adjusting ability on temperature variation of an application environment, and improve the system performance.

The invention provides an electric automated quick ridge making and compressing device, and relates to the technical field of agricultural machinery. The invention aims to solve the problems that mostridge making machines in the current market directly adopt a manner that soil is extruded by ridge making rollers to form a ridge surface, the soil compaction degree of the ridge is not uniform due to the amount of the soil for ridge making, and seriously, ridge surface collapse may generate; and in addition, the height of a conventional ridge making machine can only be adjusted in a small range,and a ridge making mechanism can generate deformation in the ridge making process because the adjusting height is too high. The electric automated quick ridge making and compressing device comprisesa vehicle frame body, wherein two wheels are rotatably mounted at the bottom of the front end and the bottom of the rear end of the vehicle frame body through roll shafts. According to the electric automated quick ridge making and compressing device disclosed by the invention, a rectangular lifting hole which penetrates up and down is vertically formed in the middle part of the vehicle frame body;and the lower end of a connecting horizontal block is fixedly connected with the upper end of a ridge making frame, so that the up-and-down position relationship of the ridge making frame can be controlled through an electric cylinder, and the height and the compacting degree of made ridges can be adjusted.

The invention relates to a converter control system, a control method and a microgrid. The control system comprises an AC power calculation module, an autonomous operation control module, a normalization operation subtraction module, a current inner loop control module and a DC power calculation module. The control method corresponds to the control system. According to the control system, the AC/DC lines of the AC/DC interconnected microgrid can adopt any topological structure, active power distribution can be automatically realized in all the AC/DC lines, and the converter adopts a decentralized control strategy, does not depend on real-time communication, has low communication requirements and high robustness, and when the power is disturbed or the network structure is changed, the self-adaptive adjustment capability is realized.

The invention discloses a recyclable winter magnetic therapy self-heating pillowcase for old people and a manufacturing method thereof. The pillowcase is composed of an outer sleeve layer, a first functional component, a middle interlayer, a second functional component and an inner sealing layer from outside to inside. The outer sleeve layer is made of polar fleece seamless cloth; the middle interlayer is a waterproof breathable film; the inner sealing layer is a densely-woven non-woven fabric; the first functional component is solid mixed powder formed by mixing ginseng root dry powder, chrysanthemum dry powder, bupleurum chinense dry powder, tea stem powder, gypsum dry powder and rubidium-iron-boron magnetic powder according to the mass ratio of 1: 1: 1: 1: (2-3): 0.01; and the second functional component is N-methyldiethanolamine. The pillowcase of the invention can realize head nursing, and has advantages of self-heating performance, cyclic utilization and self-adaptive deformation.