33results about How to "Reduce Uncertainty Risk" patented technology

The invention discloses a method for checking the reality of an ocean color remote sensing product. The method comprises the following steps: (1) reconstructing a long time sequence remote sensing data set; (2) computing and integrating based on the time-space variation characteristics of the remote sensing data set; (3) carrying out quality control and screening on a practical measurement data set for checking the remote sensing product; (4) checking generation of data sets by practical measurement-remote sensing data based on a time-space matching rule; (5) carrying out risk level division on the eligible matched data sets; and (6) computing indexes for checking the data reality of the remote sensing product. According to the method, the representativeness and the reasonability between the remote sensing product data and the checking practical measurement data can be checked, the matched data sets are screened and generated, and an evaluation method for different risk levels is obtained, so that the evaluation results are diversified and reasonable, the uncertain risk in the checking process is lowered, and the checking credibility is improved.

The invention discloses a manufacturing method of a coiled bipolar membrane. The method includes: 1) unreeling a coiled sulfonated polystyrene-polyethylene cation exchange dry film reel and a polyolefin film reel respectively, then performing overlapping, then conducting hot-pressing by a four-roll hot press, cooling by a five-roll cooling unit and winding by a winder in order, thus obtaining a single-side coated polyolefin coated positive membrane roll; 2) loosening the polyolefin coated positive membrane roll, spraying a polymeric monomer solution containing a functional monomer, a crosslinking agent and an initiator to the coating surface, carrying out overlapping with a polyester protective film alternately, and performing compaction, then performing winding, placing the whole object in a constant temperature oven and conducting heating to initiate polymerization, and stripping the polyester protective film to obtain an absorption positive membrane roll with single side containing a functional polymer; and 3) selecting a polypropylene isolation net and the absorption positive membrane roll obtained in step 2) to conduct loose alternate winding, carrying out amination reaction in a mixed water solution of dimethylamine and trimethylamine, performing washing, then stripping the polypropylene isolation net, and winding a wet film individually, thus obtaining the coiled bipolar membrane.

The invention discloses a high-frequency electric knife pen. The high-frequency electric knife pen comprises a knife handle, a knife head, a knife head pushing button, a knife head control switch and a connecting cable. The knife handle is of a hollow structure, the knife head is arranged at one end in a knife handle cavity, the other end of the knife head is connected with the connecting cable, the connecting able is led out of the other end of the knife handle and connected with a power plug; the knife head control switch is arranged on the outer wall of the knife handle; the knife head pushing button is arranged at the back end of the knife head, and a knife-head-pushing-button sliding groove is formed in the knife handle. According to the high-frequency electric knife pen, the knife head extends out of the knife handle to use when an operation is required, the knife head can be retracted in the knife handle in the non-operation state, and fault injuries and hidden danger when the knife head is exposed are avoided; a spare knife head can start to be used when an accident of a common knife head appears, and it is avoided that as the knife pen is temporarily replaced, the operation time is prolonged, and pains of patients are increased.

The invention discloses an access frequency control system and method. The system comprises a policy setting module, a data processing module and a local interception module, wherein the policy setting module is used for setting an interception rule; the local interception module is used for acquiring an access request, a report data list is generated according to the access request, the report data list is transmitted to the data processing module, interception description data generated by the data processing module are acquired, and whether the access request is passed is judged according to the interception description data; and the data processing module is used for acquiring the interception rule, receiving the report data list transmitted by the local interception module and generating the interception description data according to the report data list and the interception rule. The interception of access occurs at an interface forwarding layer, and back-end unnecessary runningcomputing resources are saved; and besides, no invasion happens to a service code, and uncertain risks brought by service code changes can be reduced.

The invention relates to a polycarboxylic acid water reducer reaction stirring kettle, and especially relates to a polycarboxylic acid water reducer reaction stirring kettle convenient to heat and cool. The technical problem to be solved in the invention is to provide the polycarboxylic acid water reducer reaction stirring kettle convenient to heat and cool. The polycarboxylic acid water reducer reaction stirring kettle convenient to heat and cool, provided for solving the technical problem, comprises a first support, a motor, a worm, a bearing seat, a rotating wheel, a worm gear, a first rotating shaft, stirring rods, a second support, a movable frame, a roller and a second rotating shaft; and the motor is mounted just below the middle portion of the first support through screws, the output shaft of the motor is connected with the first rotating shaft through a shaft coupler, and the worm rod is connected to the first rotating shaft through a flat key. The polycarboxylic acid water reducer reaction stirring kettle convenient to heat and cool has the advantages of increase of the working efficiency, realization of maximal utilization of resources, and increase of the resource utilization rate.

The invention discloses a short-term wind power prediction method, which comprises the following steps: collecting wind power data, and dividing the wind power data into a training set and a test set; constructing a first fusion model and a second fusion model based on an SVM kernel function and a Stacking ensemble learning algorithm, and training the first fusion model by taking the training set as input to obtain a target training set; inputting the test set into the trained first fusion model to obtain a target test set; and inputting the target training set and the target test set into the second fusion model to obtain a wind power prediction result. According to the method, the output power of the wind power plant is predicted, the uncertainty risk can be reduced, better combined dispatching of the wind power generation system is achieved, and guarantee is provided for safety, stability and electric energy quality of an electric power system.

The invention discloses a high-voltage direct-current non-isolated voltage sampling circuit. Resistors are introduced at an MCU AD sampling end, so that common-mode noise introduced by the loop lengthof the sampling signal is greatly reduced, 10 times of common-mode noise amplitude is attenuated from the source, the MCU AD sampling end of the MCU is guaranteed to really reflect the signals of thesampling end, the uncertain risks of a PCB layout engineer on non-isolated common-mode noise processing are reduced, the project development period is accelerated, and the system control can run stably for a long time.

The invention, which belongs to the technical field of coal gangue filling and mining in the coal industry, particularly relates to a filling and tamping test box of gangue and gangue filling, pushingand tamping method. Test space for realizing filling, pushing, and tamping of a filling machine of gangue in the gangue filling simulation experiment process is provided; and thus the pushing and solidification forming characteristic of the gangue material as well as the motion state of the filling material after pushing and tamping and the carrying capacity of the filling body can be studied. Therefore, the field filling workflow is restored truly and the great convenience is provided for study on the mechanical property of the filling body; and the reference is provided for the industrial test.

The invention relates to a tamping simulated method of filling mining, and belongs to the technical field of gangue filling mining. Construction principles and experimental effects of the tamping simulated method satisfy requirement for a compacting mechanism lab simulated experiment of a spoil filling support. The whole operation process of the device is highly similar with that of practical filling compacting process, material compacting rules of the practical filling compacting process can be mastered by simulation experiments in a lab, labor, material and financial resources as well as time cost of industrial test can be reduced, uncertainty of an industrial test result is reduced, and the economic effect is high. A device is portable, related parameters can be changed, and requirements of different occasions can be met.

The invention discloses a VR and high-precision reverse reconstruction technology-based use method in extra-high voltage transformer substation operation maintenance. The method comprises the following steps of S1, simulating an extra-high voltage transformer substation maintenance strategy technology by using a high-precision reverse reconstruction technology; s2, collision detection is carried out on the viewpoint of the maintenance operation safety constraint of the extra-high voltage transformer substation during roaming; and S3, performing real-time data monitoring on the operation state parameters of the power equipment in the maintenance of the extra-high voltage transformer substation by using the VR scene. A three-dimensional data model of the extra-high voltage transformer substation is established based on a high-precision reverse reconstruction technology, a virtual reality simulation software system of the extra-high voltage transformer substation is developed, and scene digitization of the extra-high voltage transformer substation is realized; and support is provided for applications of maintenance strategy rehearsal, operation state monitoring, operation safety verification, professional knowledge training and the like of the extra-high voltage transformer substation.

The invention provides a disaster recovery regulation and control management method and system. According to an application-level disaster recovery system construction project based on an enterprise-level system of a Guangzhou power grid information center, comprehensive centralized management and scheduling integrating functions of disaster recovery system switching control scheduling, disaster recovery switching process display, disaster recovery plan (DRP) management and the like are integrated; and when a disaster occurs in the production system, the production system is switched to the disaster recovery system through the disaster recovery regulation and control management system according to a predefined process, and after the production system returns to normal, the production system is switched back to the production system from the disaster recovery system.

The invention relates to a solid tyre flat car steering shaft. The solid tyre flat car steering shaft is characterized in that the steering shaft comprises a flat plate and a steering shaft body; an embedded type conical sleeve is arranged in the middle of the flat plate, and the embedded conical sleeve and a washer are sequentially arranged on the upper portion of the steering shaft body; the washer is fixed through a round nut, and the lower portion of the steering shaft body is connected with a rotating component. Compared with the prior art, the solid tyre flat car steering shaft has the advantages that the service cycle is long, repairing cost is low, repairing time is short, efficiency is obviously improved, overhaul workload is obviously lowered, overhaul time is effectively shortened, labor intensity is effectively lowered, and uncertain dangers in the overturning process are reduced; the operation frequency of overturning matched with overhaul in the car running process in production operation is lowered, and the contradiction that a damaged flat car needs to be overhauled while no time exists when production is busy is effectively avoided; meanwhile, quality objections caused by damaging of the appearance quality of coiled sheets in the overturning process of the flat car due to field condition limit are avoided.

The invention belongs to the technical field of coal gangue filling mining, and particularly relates to a portable filling mining tamping simulating device. The device structure principle and experiment actions meet the requirement of tamping mechanism laboratory simulation experiments of gangue filling supports. The whole operation process and the implementing filling tamping process of the device have the high similarity, material tamping rules in the actual filling process can be mastered in a laboratory through simulation experiments, a large amount of manpower, material resources, financeforce and time cost for industrial experiments can be saved, the uncertain risk for the industrial experiment results is reduced, and the economical applicable effect is remarkable. The device is easy to carry, related parameter design can be changed, and the requirement for different occasions can be met.

The invention provides a multi-channel automatic infusion pump, which comprises a pump body, a pump door, an infusion switching mechanism, an air discharging device and a bubble detection device, wherein the infusion switching mechanism, the air discharging device and the bubble detection device are arranged on the pump body; the infusion switching mechanism comprises a multi-channel liquid blocking clip, a liquid blocking clip permanent seat and a driving structure; the multi-channel liquid blocking clip comprises a body and N pieces of channels formed on the body, wherein each channel comprises a liquid passing segment and a liquid blocking segment, and when the liquid passing segment and the liquid blocking segment on each channel are set into a situation that any one branch pipe in a plurality of upper branch pipes is positioned in the liquid passing segment of the corresponding channel, other upper branch pipes are positioned on the liquid blocking segment of the corresponding channel; and the driving structure is arranged on the upper end of the pump body, is movably connected with the multi-channel liquid blocking clip and is used for driving the multi-channel liquid blocking clip to move between front and back in a sliding channel to enable the upper branch pipes to selectively communicate with a main pipe. According to the multi-channel automatic infusion pump, at least two bags of medicine liquid can be connected in one time, and the multi-channel automatic infusion pump is simple to operate and saves labor and time.

The invention relates to a signal sending method, a signal sending device and an information interaction system. The signal sending device comprises a first power supply, a first chip, a processor, a detection board, a first detection unit, at least one first communication module, at least one second communication module and at least one first communication interface. Through the arrangement of the first chip and the processor, the processor can distribute the power supply after the power supply is transmitted to the power supply port of the first chip, thereby realizing the power supply or non-power supply to the first communication module and the third communication module. According to the transmitting device, the damage condition caused by too high voltage or current after sensors with different voltages or currents are connected with the transmitting device is avoided, the voltage or current matched with the sensor in model, voltage or current can be selectively provided for the sensor, and the power supply state can be detected in real time after power supply through the detection plate; if abnormal data is generated, the abnormal data can be uploaded to the EAP and the MES, and if normal data is generated, normal data can be uploaded to the EAP and the MES.

The invention provides a PLC interaction FC performance function realization method. A PLC drives a driver through a driving instruction, the PLC comprises an FC function sub-module, the FC function sub-module comprises an FC performance function, and the FC performance function comprises a jogging/inching control strategy, a single action control strategy, a speed/moment/displacement control strategy, a fault acquisition and fault reset strategy, and a real parameter read-write and dynamic parameter write-in strategy. The FC performance function adopts a time-sharing triggering MASTER or extended frame + data frame interaction instruction and a secondary retransmission mechanism. According to the method, the problem of interaction unification between different PLCs and different drivers can be solved, the interaction efficiency and network node flexible setting are improved, and the uncertainty risk caused by purchasing is greatly reduced; and a parameter input and output mode is adopted, and the FC performance function is packaged and encrypted by adopting a black box, so program reference is flexible and convenient, and various complex control functions can be realized.