Abstract: A deep-sea crawling robot and a crawling method thereof are provided. The deep-sea crawling robot includes a crawling robot body and a countertop, wherein a top of the crawling robot body is fixedly connected to the countertop, left and right sides of a bottom of the crawling robot body are respectively provided with crawler belts, and left and right sides of the countertop are respectively provided with weight-increasing auxiliary crawling mechanisms; and an outer plate is fixedly connected to a front side or back side of the countertop, a multifunctional propelling mechanism is arranged on the outer plate, and a rapid dewatering mechanism is arranged in a chamber of the countertop. The deep-sea crawling robot can not only accelerate the propulsion and crawling speed when it is on the seabed but also further enhance its stability during the crawling process on the seabed.

Abstract: A bottom touching assisting device suitable for deep-sea submersibles and an implementation method thereof are provided. Four support columns are arranged within a mounting box body at a bottom of a deep-sea submersible, the support columns and the mounting box body are connected in a sliding manner through sliders, and the support column is sleeved with a threaded sleeve in a threaded connection manner. In conjunction with a drive component and a pressing mechanism, smooth vertical movement of the support column is achieved when the threaded sleeve rotates. This allows a bottom end of the support column to extend from the mounting box body.

Abstract: A heating anti-freezing hose with a heat tracing band fixed by extrusion molding comprises a heating hose body. The heating hose body comprises the heat tracing band, an inner water supply pipe, and a heating and fixing layer. One side of the heat tracing band is attached to an outer side of an anti-explosion reinforced layer. The heating and fixing layer is wrapped on an outer side of the heat tracing band and the anti-explosion reinforced layer by pipe fitting extrusion molding. According to the heating anti-freezing hose, the heating and fixing layer is formed on an outer side of the inner water supply pipe and the heat tracing band through a water pipe extruder, so that the inner water supply pipe is tightly combined with the heat tracing band. The heating and fixing layer has multiple functions of all-round protection of the heat tracing band.

Abstract: The present invention discloses a mobile energy storage internet system. The mobile energy storage internet system comprises distributed energy harvesting devices, mobile cold storage/heat storage devices, an energy system dispatching and monitoring center, and cold supply/heat supply terminals. The distributed energy harvesting devices are used for harvesting industrial waste cold energy/heat energy. The energy system dispatching and monitoring center is used for monitoring the residual energy of the distributed energy harvesting devices and the energy demand of the cold supply/heat supply terminals respectively, and mobilizing the mobile cold storage/heat storage devices to the distributed energy harvesting devices to store residual energy or to the cold supply/heat supply terminals to release the stored residual energy.

Abstract: A braking torque sensor of a brake is provided, the braking torque sensor includes: a long circular shaft hole arranged on a brake arm of the brake; a connecting plate configured to detect a braking displacement which is generated by the hinge shaft of the brake element in a long circular shaft hole and varies with the magnitude of the friction force when the braking action is performed by the brake, and convert the detected displacement into a plate deformation of the connecting plate; and a tension sensor configured to convert the plate deformation generated due to the braking action on the connecting plate into force information, and transmit the force information outwards in a form of electrical signal or digital signal. The detection result of the braking torque sensor is consistent with the actual result, so that an abnormal condition of the brake can be detected in time.

Abstract: Disclosed is a text data attribution description and generation method based on text character features, comprising: obtaining text data to be processed, decomposing the text data to obtain a plurality of characters, and performing a feature space representation on the text data based on the characters; storing the features of the text data through a horizontal position of the characters and an association between different characters according to the feature space representation of the text data; generating a text data attribution according to feature storage results of the text data.

Abstract: The invention discloses a method for managing communication authority based on multi-energy equipment data flow using digital twin and a system thereof, comprising the following steps: generating a unique permission code; Establishing a data flow interaction channel; utilizing a broadcast detection mechanism to periodically check the data flow communication authority based on the channel and continuously remove the data flow interaction channel that is expired and illegally authorized, thus to complete the data flow communication management. The present invention has the advantages that the management is more scientific, the algorithm is clearer, more efficient and safer, and the level is well arranged; the channel resource utilization rate is improved, filling the gap in the current stage of a method for managing communication authority based on multi-energy equipment data flow using digital twin and a system thereof, and ensuring the real-time mapping between physical entities and virtual images.

Abstract: A method for programming the energy storage device in power-gas coupling system based on reliability constraints is provided. The method includes: obtain the parameters and operation condition of each equipment of the power-gas coupling system in a year; determine the different operating states of the system. A programming model of the energy storage device based on reliability constraints is constructed based on the operating state of the system, and benders decomposition algorithm is adopted to calculate the programming model, so that the programming scheme of the energy storage device is obtained. Considering not only the economy but also the reliability of the system, which is more accurate, comprehensive and effective than the previous programming method; the present invention is of great significance to improve the reliability of the electric power system and ensure the safe and reliable operation of the electric power system.

Abstract: A braking torque sensor of a brake is provided, the braking torque sensor includes: a long circular shaft hole arranged on a brake arm of the brake; a connecting plate configured to detect a braking displacement which is generated by the hinge shaft of the brake element in a long circular shaft hole and varies with the magnitude of the friction force when the braking action is performed by the brake, and convert the detected displacement into a plate deformation of the connecting plate; and a tension sensor configured to convert the plate deformation generated due to the braking action on the connecting plate into force information, and transmit the force information outwards in a form of electrical signal or digital signal. The detection result of the braking torque sensor is consistent with the actual result, so that an abnormal condition of the brake can be detected in time.

Abstract: The invention discloses a power feedback control system and method of MGP system, including detecting the actual active power delivered by the generator to the grid through the measurement and calculation module; making a difference between the measured active power and the given active power; calculating the frequency regulation amount through the PI regulation module according to the difference, and taking it as feedback; calculating the frequency reference value of the converter in the control system; and fine tuning the frequency of the converter through the PI regulation module; regulating the phase difference through frequency modulation; realizing the goal of controlling the power output, so that when predicting the output power of new energy before MGP is connected to the grid based on power feedback control, the output of the control system will not be delayed and the defects that affect the stability and reliability of the control system will not appear, to ensure the successful introduction of new

Abstract: The invention discloses a method for MGP new energy grid-connected control, wherein, the synchronous motor is connected to a synchronous generator; the new energy module drives the synchronous motor to rotate through a frequency converter; the frequency converter controls the power transmission; and the synchronous motor drives the synchronous generator for grid connection. The present invention has the beneficial effects that: the control method and system provided by the invention can improve the stability and reliability of the grid.

Abstract: The invention discloses a method for managing communication authority based on multi-energy equipment data flow using digital twin and a system thereof, comprising the following steps: generating a unique permission code; Establishing a data flow interaction channel; utilizing a broadcast detection mechanism to periodically check the data flow communication authority based on the channel and continuously remove the data flow interaction channel that is expired and illegally authorized, thus to complete the data flow communication management. The present invention has the advantages that the management is more scientific, the algorithm is clearer, more efficient and safer, and the level is well arranged; the channel resource utilization rate is improved, filling the gap in the current stage of a method for managing communication authority based on multi-energy equipment data flow using digital twin and a system thereof, and ensuring the real-time mapping between physical entities and virtual images.

Abstract: The present invention discloses a method for programming the energy storage device in power-gas coupling system based on reliability constraints, obtain the parameters and operation condition of each equipment of the power-gas coupling system in a year; determine the different operating states of the system; A programming model of the energy storage device based on reliability constraints is constructed based on the operating state of the system, and benders decomposition algorithm is adopted to calculate the programming model, so that the programming scheme of the energy storage device is obtained. Considering not only the economy but also the reliability of the system, which is more accurate, comprehensive and effective than the previous programming method; the present invention is of great significance to improve the reliability of the electric power system and ensure the safe and reliable operation of the electric power system.

Abstract: Non-fault disturbance-based method and system for measuring short-circuit capacity of a power grid on site including: connecting or disconnecting a reactive compensation device to or from a power grid point of common coupling, to generate a disturbance on a power grid; obtaining total active power and total reactive power of a load of the point of common coupling before the disturbance; determining a vector difference between a voltage of the power grid point of common coupling before the disturbance and a voltage of the power grid point of common coupling after the disturbance; obtaining a voltage effective value of the power grid point of common coupling before the disturbance; obtaining a capacity of the reactive compensation device; and determining a short-circuit capacity of the point of common coupling according to total active power, total reactive power, vector difference between voltages, voltage effective value, and capacity of the reactive compensation device.

Abstract: The present disclosure provides a DNA vaccine or immunogenic composition expressing consensus hemagglutinin-esterase-fusion (HEF) protein (FluD-Vax) and a protein-based vaccine utilizing the HEF consensus protein. Methods of making and using the compositions are also provided herein.

Abstract: Non-fault disturbance-based method and system for measuring short-circuit capacity of a power grid on site including: connecting or disconnecting a reactive compensation device to or from a power grid point of common coupling, to generate a disturbance on a power grid; obtaining total active power and total reactive power of a load of the point of common coupling before the disturbance; determining a vector difference between a voltage of the power grid point of common coupling before the disturbance and a voltage of the power grid point of common coupling after the disturbance; obtaining a voltage effective value of the power grid point of common coupling before the disturbance; obtaining a capacity of the reactive compensation device; and determining a short-circuit capacity of the point of common coupling according to total active power, total reactive power, vector difference between voltages, voltage effective value, and capacity of the reactive compensation device.

Abstract: The present disclosure provides a DNA vaccine or immunogenic composition expressing consensus hemagglutinin-esterase-fusion (HEF) protein (FluD-Vax) and a protein-based vaccine utilizing the HEF consensus protein. Methods of making and using the compositions are also provided herein.

Abstract: A live, attenuated HIV vaccine is provided, and methods of making a attenuated HIV vaccine are provided.

Abstract: The present invention discloses a probe frame for an array substrate detecting apparatus, the probe frame including a frame body and a signal distribution circuit board provided to the frame body, wherein the probe frame further includes: a circuit board provided to the frame body, the circuit board being provided with through holes, and the circuit board being provided therein with a plurality of signal transmission wires in a one to one correspondence with the through holes, one end of each signal transmission wire is inserted into its respective through hole and the other end thereof is electrically connected with an output end of the signal distribution circuit board; and a plurality of probes in a one to one correspondence with the through holes, wherein for each pair of the probe and the through hole, one end of the probe is inserted into the through hole so as to be electrically connected with the signal transmission wire within the through hole.

Abstract: A live, attenuated HIV vaccine is provided, and methods of making a attenuated HIV vaccine are provided.