31results about How to "Have continuity" patented technology

The invention discloses a method for evaluating a vulnerability node of an electric cyber-physical system based on an undetectable information attack pre-warning technology. A partial model of the electric cyber-physical system is generated according to a physical topological graph of an electric power system in the electric cyber-physical system, pre-warning of an undetectable information attack under a general information attack and topology condition is analyzed and the damage of the attack is evaluated, and the potential risk of the ECPS is perceived in advance to obtain a more accurate analysis result, so that a grid company can evaluate the running state of the ECPS from a global perspective and the protection for a vulnerability link is enhanced timely to protect the ECPS to run safely and stably. Pre-warning of a multi-node information attack is realized based on analysis of a single-node information attack. In addition, the information attack in the real system often has continuity, the method adds prediction of a continuity information attack on the basis of analysis of an instantaneous information attack, and the overall vulnerability of nodes and the ECPS is evaluated. A technical framework of the invention is more comprehensive.

The invention discloses an information processing method, a client and a server. The method comprises the steps of loading and playing first multimedia information to obtain a first video display page, wherein the first video display page is composed of at least one video frame; detecting whether a specified video frame carrying preprocessing identification information exists in the at least one video frame to obtain a judgment result; when the judgment result indicates the existence of the specified video frame, obtaining a play time of the specified video frame, and when the play time satisfies a preset condition, determining an insertion position used for playing second multimedia information; extracting key information corresponding to the second multimedia information in the specified video frame; reporting parameter information that at least contains the key information; and receiving the second multimedia information corresponding to the key information, and loading and playing the second multimedia information at the play position to obtain a second video display page.

The invention relates to the field of gas sensor measurement, in particular to a gas sensor overlapped block temperature and humidity intelligent self-calibration method, which comprises the following steps: S1, measuring the resistance of a gas sensor under different temperature, humidity and concentration conditions; s2, acquiring a change rule of response resistance and each variable; s3, roughing abnormal points; s4, overlapping and blocking the data according to the change rule of the data along with temperature, humidity and concentration; s5, performing multiple linear regression on each data block; s6, repeatedly and finely selecting abnormal points and iteratively correcting the abnormal points; s7, performing multiple linear regression on the corrected data block; s8, establishing a temperature and humidity compensation expression of the concentration through inverse operation; s9, importing a plurality of compensation expressions of the same kind of sensors into the microcontroller, obtaining a plurality of predicted values, and taking the average value of all the predicted values as the calibration result of the gas sensor. According to the method, the temperature and humidity real-time intelligent self-calibration of the gas sensor is realized.

The invention provides a wind speed modeling method based on time correlation. Firstly, historical wind speed data of a wind power plant are obtained; and analyzing historical wind speed information of the wind power plant, determining a Weibull distribution model according to the wind speed distribution information, concluding a wind speed change rule according to the wind speed change quantity information, defining a wind speed time correlation concept according to the wind speed change rule concluded by the wind speed change quantity information, and calculating by using the following pointof wind speed distribution. In the calculation process, the wind speed distribution condition of the next point with the basic point as the reference is jointly calculated in combination with the obtained wind speed distribution and wind speed time correlation, and random numbers are selected through sampling so that the value of the point can be determined according to probability randomness under the distribution. Wherein the calculated basic point is an end point in the sequence before the calculation is carried out at the time. After calculation and sampling are completed, whether the number of the data contained in the sequence meets the requirement or not is judged so as to determine whether to continue to circulate or output the data, and finally the wind speed model based on timecorrelation is obtained.

The invention discloses a cable climbing operation device for an overhead transmission line. The cable climbing operation device comprises an electric cabinet, a clamping unit, a traveling unit, a rotating unit and an operation unit. The electric cabinet is used for control of power output mechanism in each unit and transmission of detection signals, the clamping unit is used for clamping of an overhead transmission line and hanging of the whole cable climbing device on the overhead transmission line, the traveling unit is arranged on the clamping unit and is used to drive the clamped cable climbing device to travel in the length direction of the overhead transmission line, the rotating unit is used for driving the rotation of the operation unit, and the operation unit is installed at thepower output end of the rotating unit and used for maintenance operation of the overhead transmission line. According to the invention, through the bilateral clamping of the overhead transmission line, a better cable holding friction state can be obtained, the cable climbing operation device is better suitable for cables with different wire diameters, better achieves the wire hanging effect on theoverhead transmission line, can bear large wind power and can keep the good stability.

The invention relates to a berry tea frying machine. The berry tea frying machine comprises a feeding hopper, a pot, a heating element and a tea discharging port, wherein the feeding port is arranged above the head portion of the pot, the tea discharging port is formed under the tail portion of the pot, and the heating element is arranged at the bottom of the pot; the inside of the pot is provided with a spindle and a rubbing and scattering mechanism, and the scattering mechanism is composed of a rubbing plate, a scattering rod, a sweeping plate and stirring nails; the spindle is driven by a spindle driving motor and a belt mechanism, the rubbing plate, the scattering rod and the sweeping plate are sequentially arranged on the spindle, the stirring nails are vertically arranged onto the inner wall of the pot, the rubbing plate is in an arc shape, the scattering rod is provided with scattering nails, and the scattering nails and the stirring nails are arranged in a staggered mode. The invention also discloses a new production process. The new production process is composed of the steps of washing, airing, frying, pile fermentation, stirring, drying, flavoring and the like, obtains continuity and achieves mass continuous production, and due to the fact of being close to manual production processes, can obtain high-quality berry tea and high economic value after technical parameters are set.

The invention relates to the field of mine fire, gas and derived disaster protection equipment, in particular to a suspended track type movable fire-extinguishing explosion-proof device. The device comprises a motion execution system, wherein the motion execution system is suspended on a track and can move along the track; a carrier, wherein the carrier is arranged in the motion execution system,a cavity is formed in the carrier, and an openable box door is arranged at the bottom side of the carrier; and a fire extinguishing system, wherein the fire extinguishing system comprises a fire extinguishing agent heat preservation layer arranged in the cavity. The suspended track type movable fire-extinguishing explosion-proof device of the invention can monitor the conditions of gas concentration, temperature and the like in a mine in real time; after detecting that a fire occurs in the mine, fire extinguishing treatment is carried out through the stored dry water-carbon dioxide hydrate fire extinguishing agent; and after the fire extinguishing treatment, if the gas concentration in a roadway is too high, a self-suction explosion-proof system is started to suck the gas into the storagecavity to form hydrate with the water solution, so that the concentration of the gas in the roadway is reduced, and gas explosion in the mine is avoided.

The invention discloses a novel rail system, which includes an assembled rail plate and an elastic rail locking system in a groove. The assembled rail plate comprises a rail plate body 1 and a prefabricated rail supporting table 2, and the prefabricated rail supporting table 2 is detachably mounted on the rail plate body 1 and forms a rail supporting groove together with the rail plate body 1; andthe elastic rail locking system is arranged in the rail supporting groove. The novel rail system has the beneficial effects that the rail supporting groove is realized by assembling and has the structural characteristics of continuous supporting and continuous locking; during construction, steel rail moving flash welding can be realized, and the construction efficiency is improved; and the prefabricated rail supporting table can be removed when a steel rail is replaced, the operating space is increased, the steel rail in the rail supporting groove is conveniently pulled out, and the maintenance efficiency is improved.

The invention belongs to the field of pipe machining, and particularly relates to a continuous numerical control pipe bending machine which comprises a machining box, wherein a cutting groove is formed in the top of an inner cavity of the machining box, a vertical cutting blade is slidably connected to the top of the inner cavity of the machining box through the cutting groove, a movable sleeve arm is fixedly connected to the top end of the vertical cutting blade, auxiliary shaft rods are slidably connected to the two ends of the inner wall of the movable sleeve arm correspondingly, the rear ends of the auxiliary shaft rods are fixedly connected to the front face of the outer surface of the machining box, and thrust motors are fixedly connected to the front faces of the outer surfaces of the auxiliary shaft rods. Due to the fact that the steel pipe is bent through the torque device, the steel pipe can be machined into an annular pipe and even a bent pipe with a more special angle, the shape and the bending angle of the steel pipe are more than those of a steel pipe machined through a common pipe bending machine, and the machined pipe body flies out of the torque device under the inertia effect and is thus thrown into a collecting device beside, to complete automatic collection of the steel pipe, so that the device has continuity.

The invention relates to a harmonic data evaluation mode based on an energy management monitoring system. The harmonic data evaluation mode comprises the steps: (1) monitoring data of harmonic waves and electrical loads are obtained from an intelligent electric meter; (2) a harmonic data dereferencing model is built for distinguishing deviations caused by a transient phenomenon and harmonic waveswith high load change; (3) a data storage model is built for decreasing the data storage capacity; and (4) a harmonic evaluation model is built for showing the harmonic condition under the current state. The harmonic data evaluation mode has the beneficial effects that through front-end processing, data points required for needed evaluation are reduced, the system data uploading frequency is lowered, and the data storage capacity of the energy management monitoring system is decreased; the harmonic evaluation deviations caused by the conditions such as the data uploading packet loss, differentmeasuring times of the intelligent electric meter, and different collecting device data uploading periods can be reduced; and the harmonic evaluation index has continuity, and the evaluation result cannot be changed greatly due to the working condition change.

The invention discloses an engineering pile length batch pre-judgment method based on a BIM technology. The method comprises the steps that a bearing stratum model is established through Revit software based on a geological exploration report; a pile foundation model meeting the design requirement is established, wherein the pile foundation model comprises parameters of the pile diameter, the pile length h1 and the parameter ID; under the same coordinate system, the bearing stratum model and the pile foundation model are integrated; collision detection is performed on the bearing stratum model and the pile foundation model in Navisworks, and thus calculating pile bottom elevations and actual pile lengths in batches by utilizing collision coordinates of a collision report and combining design requirements; and the calculated actual pile length parameters are returned to the pile foundation model in batches, the pile foundation model is automatically modified, and pile foundation construction is guided. By adopting the method, the pre-judgment efficiency and calculation precision of the pile length of the engineering pile can be greatly improved through common BIM software and office software, accurate construction deployment and material preparation are facilitated, the construction process is accelerated, and the cost is controlled.

The invention belongs to the technical field of wire-drawing die polishing machining, and particularly relates to a line polishing machine used for a wire-drawing die. The line polishing machine used for the wire-drawing die comprises a rack, a positioning die holder, a rotating driving module and a deflection adjusting module; the deflection adjusting module comprises a crankshaft, a deflection power source and an eccentric adjusting plate, an eccentric hole is formed in the eccentric adjusting plate in a penetrating mode so that an eccentric section of the crankshaft can be sleeved with the eccentric adjusting plate in a hooped mode, and the eccentric adjusting plate is sleeved with a fixing ring; the outer wall of the fixing ring extends outwards in the radial direction to form a deflection rod, and an extending end of the deflection rod is eccentrically hinged to a rotating shaft; the deflection adjusting module further comprises an outer adjusting sleeve; and a radial adjusting groove is formed in the outer plate face of the eccentric adjusting plate, a guide sliding block is arranged on the inner end face of the outer adjusting sleeve, and the guide sliding block and the radial adjusting groove form a sliding rail guide fit relation. According to the line polishing machine used for the wire-drawing die, an angle between the axis of the wire-drawing die and the axis of a tool metal wire can be adjusted continuously, conveniently and reliably, and finally, the purpose of wire-drawing die inner hole machining with high efficiency, high quality and convenience is achieved.

The present invention relates to an arbitration method and device for vehicle alarm information display, and a storage medium, which take the current alarm reminding content as feedback information to participate in new arbitration calculation, thereby ensuring that the alarm reminding is relatively single, and the duration can meet the response time requirement of a driver. According to the invention, in the alarm queue to be displayed, the alarm sources with the priority ranks located at the first two positions have opportunities to obtain the display opportunities, and the display time of each alarm message is usually not less than the preset alarm message duration minimum period.

The invention relates to the field of vacuum arc remelting, and discloses a vacuum arc remelting 3D model for controlling segregation of a high-temperature alloy and a control method, and the vacuum arc remelting 3D model comprises a solidification heat transfer macroscopic model of the vacuum arc remelting high-temperature alloy, a solidification cast ingot microscopic model and a smelting process parameter model; the control method comprises the following steps: step A, establishing a vacuum arc remelting 3D model; step B, simulating process parameters; step C, simulating a smelting process; and D, smelting high-temperature alloy. Based on the vacuum arc remelting 3D model, the vacuum-tight vacuum arc remelting smelting process can be converted into visual operation, and the macro-microstructure of the solidified cast ingot can be visually represented; relatively proper smelting process parameters of the vacuum arc remelting high-temperature alloy are formulated, so that the alloy segregation is reduced, and the metallurgical quality is improved; theoretical basis and engineering guidance are provided for adjustment and matching of smelting process parameters and control of solidification cast ingot structures and smelting quality.

The invention provides a safety control method and system for hoisting equipment, and belongs to the technical field of engineering machinery. The method comprises the steps that the hoisting operation stage of hoisting equipment is determined, and the target moving direction of a balance weight in the hoisting operation stage is selected; hoisting operation in the hoisting operation stage is executed, and continuous counterweight movement in the target direction is executed; obtaining a counterweight parameter corresponding to the counterweight movement and a hoisting parameter corresponding to the hoisting operation; and determining whether to execute safety control of the hoisting operation and/or determining whether to execute existing safety control release of the hoisting operation according to the matching degree of the increment size of the counterweight parameter and the increment size of the hoisting parameter. The method is used for safety control of the hoisting equipment.

The invention provides a safety control method and system for hoisting equipment, and belongs to the technical field of engineering machinery. The method comprises the steps that the hoisting operation stage of hoisting equipment is determined, and the target moving direction of a balance weight in the hoisting operation stage is selected; hoisting operation in the hoisting operation stage is executed, and continuous counterweight movement in the target direction is executed; obtaining a counterweight parameter corresponding to the counterweight movement and a hoisting parameter corresponding to the hoisting operation; and according to the matching degree of the actual value of the hoisting parameter and the actual value of the counterweight parameter, whether safety control of the hoisting operation is executed or not is determined, and/or whether existing safety control release of the hoisting operation is executed or not is determined. The method can be used for safety guarantee of hoisting operation.

The invention discloses a mobile terminal video and audio processing method and device, terminal equipment and a storage medium. The method comprises the steps of: monitoring whether the mobile equipment is performing a video and audio call or not; when it is monitored that the mobile device is in the video and audio call, detecting the change of a network signal of the connected base station; comparing the detected base station change value with a preset value; and selecting a video and audio call processing mode according to a comparison result, and processing the video and audio call. The invention aims to compress video and audio calls according to different base station change values, so that the smoothness of the calls is kept to the greatest extent, and the use experience of users is kept.