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39results about How to "Achieve flexible control" patented technology

Communication method and device based on software-defined network and integrated identification network

The invention discloses a communication method and device based on a software-defined network and an integrated identification network and belongs to the technical field of network. The method includes the following steps: a controller receives device information of access forwarding devices when establishing connection with the access forwarding devices; according to device information of each of connected access forwarding devices, an entire-network topological structure is formed; according to the entire-network topological structure, a routing table is formed; and the routing table is sent to the access forwarding devices so that the access forwarding devices inquire the routing table and determine forwarding routes according to target routing identifications of data packets when receiving the data packets and forward the data packets based on the target routing identifications and the forwarding routes. The method introduces a controller in the integrated identification network and separates a control plane and a data plane without operation of a routing protocol by the access forwarding devices so that calculation quantity is reduced, time is saved, query efficiency is improved and flexible control of a whole network is realized.
Owner:BEIJING JIAOTONG UNIV

Liquid raw material generation device used for three-dimensional printing and control method of liquid raw material generation device

The invention discloses a liquid raw material generation device used for three-dimensional printing and a control method of the liquid raw material generation device. The device is mainly composed of a heating unit used for generating liquid raw materials, a first opening and closing device which is used for controlling internal space of the heating unit to communicate with the external atmosphere or a negative-pressure device, a second opening and closing device used for controlling solid raw materials to enter the internal space of the heating unit, an air pressure sensing device, a liquid level sensing circuit and a temperature sensing circuit. The device has the beneficial effects that the problem that liquid raw materials of an extrusion head leak from a solid raw material inlet in the current FDM three-dimensional printing technology is solved; continuous solid raw material supply in the three-dimensional printing process is achieved, and printing of large parts is facilitated; liquid drops can be generated, and continuous liquid raw material flow can also be generated; liquid raw material fluid can be flexibly controlled; real-time monitoring on parameters such the size and the temperature of the liquid raw materials in a heating cavity can be achieved; and high feasibility and practicability are achieved, and the application range is wide. The liquid raw material generation device and the control method have substantive progress.
Owner:NANJING TAITAO INTELLIGENT SYST CO LTD

Air layer knitted fabric plaiting double-layer knitting method and plaited fabric structure thereof

ActiveCN103451836AAchieve the effect of heating and melting yarnAchieve local bondingWeft knittingHeating/cooling textile fabricsYarnEngineering
The invention discloses an air layer knitted fabric plaiting double-layer knitting method and a plaited fabric structure thereof. The double-layer knitting method comprises a procedure of adding a hot melting yarn connecting measure in the middle, i.e., main yarns and hot melting yarns are synchronously knitted together by adopting a plaiting method, wherein the main yarns are positioned in the front of loops and the hot melting yarns are positioned on the reverse surface of the loops; as the air layer knitted fabric is composed of two layers of single-faced knitted fabrics, and the loops in front of the two layers of fabrics are outward, so the main yarns are positioned outside and the hot melting yarns are positioned inside the air layer knitted fabric; the hot melting yarns are attached to the main yarns, and a hot melting yarn layer is formed between every two main yarn layers. The plaited fabric structure comprises the main yarns for knitting, the hot melting yarns are synchronously knitted on the main yarns by adopting a plaiting method, and the hot melting yarns are attached onto the main yarns. According to the air layer knitted fabric plaiting double-layer knitting method and the plaited fabric structure thereof, the integral or local fabric can be improved, and the plaited fabric with the advantages that the size stability is higher, the stiffness is higher, capability of reserving certain elasticity is retained and the like can be obtained.
Owner:松谷机械(惠州)有限公司

Electric heat storage peak regulation and frequency modulation control system and control method thereof

The invention discloses an electric heat storage frequency modulation and peak regulation control system and a control method thereof. The system comprises an electric heat storage system, a turbine power generation system, an electric heat storage power generation control system and a peak regulation and frequency modulation system. The electric heat storage system is connected with the turbine power generation system and used for converting electric energy into heat energy, and the turbine power generation system is used for converting heat energy into electric energy; the electric heat storage system and the turbine power generation system are in communication connection with the electric heat storage power generation control system. The peak and frequency modulation system comprises a peak and frequency modulation switching device and a peak and frequency modulation management control system, and the peak and frequency modulation switching device is electrically connected with the input end of the electric heat storage system and the output end of the turbine power generation system; the peak and frequency regulation management control system is in communication connection with the peak and frequency regulation switching device, the electric heat storage power generation control system and the external power grid dispatching system. According to the invention, by arranging the peak regulation and frequency modulation system, the internet load regulation range is further expanded, the response speed of the system is improved, and the flexible peak regulation and frequency modulation of the system are better realized.
Owner:浙江中光新能源科技有限公司

A liquid raw material generating device for three-dimensional printing and its control method

The invention discloses a liquid raw material generating device for three-dimensional printing and a control method thereof. The device is mainly composed of a heating unit used for generating liquid raw material, and used for controlling the communication between the inner space of the heating unit and the external atmosphere or a negative pressure device. The opening and closing device 1. The opening and closing device used to control the solid raw material to enter the inner space of the heating unit 2. The air pressure sensing device, the liquid level sensing circuit, and the temperature sensing circuit. Its beneficial effects: avoid the problem of leakage of liquid raw materials from the extrusion head from the entrance of solid raw materials in the existing FDM three-dimensional printing technology; realize continuous supply of solid raw materials in the process of three-dimensional printing, which is beneficial to the printing of large-volume parts; It can produce both liquid droplets and continuous liquid raw material flow; it can realize flexible control of liquid raw material fluid; it can realize real-time monitoring of parameters such as volume and temperature of liquid raw material in the heating chamber; it has high implementability and practicability , is widely applicable. The present invention represents a substantial advance.
Owner:NANJING TAITAO INTELLIGENT SYST CO LTD

Air conditioner, its remote control device and method for controlling setting parameters of the air conditioner

The invention discloses an air conditioner set parameter control method based on environmental parameters. The air conditioner set parameter control method comprises the steps that a remote control device receives and responds to an acquisition instruction sent by a user, detects the environment temperature data through a temperature sensor module and sends the detected environment temperature data to an air conditioner to be stored; the remote control device receives a mapping setting instruction sent by the user and sends the mapping setting instruction to the air conditioner, so that the air conditioner responds to the mapping setting instruction so as to set the set temperature according to the stored environment temperature data. By means of the method, the user can send the acquisition instruction through the remote control device, and the remote control device responds to the acquisition instruction and sends the environment temperature data to the air conditioner to be stored. When the air conditioner is started next time, the user can send the mapping setting instruction through the remote control device so as to enable the air conditioner to set the set temperature according to the stored environment temperature data, accordingly the elastic control of the air conditioner is achieved, and the comfort degree of the air conditioner is improved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Optical fiber time delay measurement method and device based on single optical frequency comb interference

The invention discloses an optical fiber time delay measurement method based on single optical frequency comb interference, which divides the optical carrier output by a narrow linewidth laser into two paths, wherein one optical carrier is modulated into an optical frequency comb signal by an optical frequency comb modulator , sent to the interferometer connected to the optical fiber to be tested, and another optical carrier for frequency shift processing; after the frequency shifted optical carrier is coupled with the optical signal output by the interferometer, photoelectric detection is performed to obtain a microwave signal carrying time delay information ; Extract the spectrum information of the microwave signal, and then extract the free spectrum range of the interference spectrum, and calculate the time delay of the optical fiber to be tested according to the free spectrum range of the interference spectrum. The invention also discloses an optical fiber time delay measurement device based on single optical frequency comb interference. Compared with the prior art, the invention has the advantages of high measurement stability, fast measurement speed, simple structure and low implementation cost.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Unshielded tri-gate transistor device and resistive full-swing phase inverter based on unshielded tri-gate transistor device

PendingCN113130661AAchieve flexible controlExpand the field of applicationTransistorElectronic switchingPhysicsDoping
The invention discloses an unshielded tri-gate transistor device and a resistive full-swing phase inverter based on the unshielded tri-gate transistor device. The unshielded tri-gate transistor device sequentially comprises a control gate, a control gate insulating layer, a bottom gate, a bottom gate insulating layer, a channel layer, a top gate insulating layer and a top gate from bottom to top, the center lines of the control gate, the control gate insulating layer, the bottom gate, the bottom gate insulating layer, the channel layer, the top gate insulating layer and the top gate coincide, the size of the bottom gate is the same as that of the top gate, the size of the channel layer is larger than the sizes of the bottom gate and the top gate, and the size of the control gate is larger than the size of the bottom gate; and a source electrode and a drain electrode are arranged on the top surface of the channel layer and are respectively positioned on the left side and the right side of the top gate. The resistive full-swing inverter comprises the unshielded tri-gate transistor device and a divider resistor. In the circuit operation process of the transistor device, the top gate is used for regulating and controlling the initial doping of the transistor device, so that the threshold voltage position of the transistor device is accurately controlled, and the full-swing attribute of an inverter circuit is obtained.
Owner:HUNAN UNIV
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