41results about How to "Clear guidance" patented technology

The invention discloses a low stress clamping method for lap joint of a part by facing a boss. The method comprises the steps of selecting a proper position and arranging a process boss of a certain shape and size according to the features of the part shape and outline; and fixing the relative position between the boss and a working table by screws, and then tightening the screws in a special direction and sequence, so that the part is fit with a working platform, and the clamping of the part is finished. The low stress clamping method is applicable for clamping and pressing a locating part through the boss externally connected, and the clamping stress generated in the clamping process of the part can be reduced effectively; and the influence of the clamping process on the machining precision of the part is reduced, and meanwhile the clamping efficiency of the part can be further improved.

The invention provides an industrial control flow analysis method and device, and the method comprises the steps that S1, a data collection module collects a data message in a network through a presetmirror image port, and obtains the real-time session data in the network; S2, a preprocessing module performs session restoration on the real-time session data to obtain session restoration data, extracts structured metadata information from the session recovery data, and outputs the metadata information to an exception judgment module and a storage module; S3, an anomaly judgment module acquiresthe metadata information by, compares the structured metadata information with a preset threshold value, judges whether an abnormal behavior exists in the network or not, and generates an anomaly judgment result; wherein the abnormal judgment result comprises abnormality or normality. According to the invention, the data of the industrial control network can be continuously collected and analyzed, and the data can be comprehensively and accurately analyzed.

The invention discloses a probabilistic model-based equipment state dynamic self-adaptive alarm method. Based on the dynamic data of equipment operation, the probability model of the equipment state is constructed by using the probability neural network self-learning. The model adjusts its distribution profile with the operation of the equipment, and dynamically describes the change rule of the equipment state. Relying on the model, study the dynamic judgment rules of equipment status; at the same time, construct thresholds between different states to form an adaptive alarm line for equipment operation. The present invention ignores the traditional basis for dividing the operating status of on-site equipment according to various general standards, and finds the rules from the respective development history of the equipment, and can establish a status level for each equipment, each measuring point, and even each monitoring quantity Judgment basis, clearly divides the state of conventional equipment on site into three levels: normal state, fault state, and rapid deterioration state, and determines the measures that should be taken in the field for each state, laying a foundation for comprehensive evaluation of equipment state Base.

The invention discloses a foundation grouting method for offshore wind power and a foundation grouting work barge for offshore wind power. The foundation grouting method for offshore wind power comprises following steps: cleaning an inner wall of a grouting outer pipe and an outer wall of a grouting inner pipe, cleaning a grouting pipeline and pre-rinsing the grouting pipeline in advance, diluting grouting material into grouting liquid, pouring grouting liquid into a grouting channel between the inner wall of the grouting outer pipe and the outer wall of the grouting inner pipe by means of the grouting pipeline in order to finish grouting operation, monitoring condition of grouting liquid which is not poured during grouting operation and condition of grouting liquid overflowing from the grouting channel. Emergency measures should be taken if requirements are not met. The foundation grouting work barge for offshore wind power comprises a barge body, a material placing area, a dilution water supply pit, an electric power supply room, a connection hose, mixers, grouting pumps and a monitoring device. The material placing area, the dilution water supply pit, the electric power supply room, the connection hose, the mixers, the grouting pumps and the monitoring device are arranged on the barge body. The foundation grouting method for offshore wind power and the foundation grouting work barge for offshore wind power have definite guidance effect and can promote development of construction of an offshore wind plant in our country.

The invention provides an ultrasonic probe. The ultrasonic probe comprises an insertion head part, an insertion neck part and a handheld part, wherein the insertion head part at least accommodates an energy transducer; the effective area of the energy transducer working face is provided with two side edges; an included angle A which is defined by one of the side edges and the insertion direction of the insertion neck part is larger than or equal to 100 degrees and smaller than or equal to 170 degrees; an included angle B which is defined by the other side edge and the insertion direction of the insertion neck part is larger than or equal to -180 degrees and smaller than or equal to -10 degrees. The probe, provided by the invention, can well display an inner cavity at different positions in clinical application, provides clear guidance for a doctor, and can successfully extend into the body, so as to reduce the patient's pain to the largest extent.

The invention discloses a taper detection device, which comprises a small-end positioning sleeve and a large-end positioning sleeve. The end hole, the small end hole and the large end hole have different aperture sizes. The small end hole and the large end hole are located on the same axis. One end of the length measuring tool is connected to the small end positioning sleeve, and the other end is in contact with the large end positioning sleeve. The taper detection part is placed from the big end hole along the direction of the small end hole, and the length measuring tool measures the axial distance between the small end hole and the big end hole. The invention can conveniently obtain the deviation direction of the detected parts, has clear guidance for the adjustment of parts processing, improves the processing accuracy and yield rate of parts, has a simple structure and small volume, can be conveniently used on the production site, and has high measurement efficiency , Improve the production efficiency of parts processing.

The invention discloses a positioning method for UPFC damping control. Positioning of a UPFC stability controller is carried out by a damping matrix decomposition analysis method DTA according to a whole-system linear model, so that DTA calculation result is associated with a damping torque provided to a generator in a power system by a controller and the participation property of the generator into a specified electromechanical oscillation mode; and the physical significance is relatively clear. The positioning method has the beneficial effect that the process that the controller affects the specified electromechanical oscillation mode of the power system is specifically provided, so that a guidance with clear physical significance is provided for selecting a stable signal of the controller.

The invention provides a translation rule extraction method and a translation method based on a dependency grammar tree. A translation sequence adjusting relationship is directly expressed in the translation rule that a source end is used as a head word and a dependency grammar tree fragment and a target end consisting of modifiers of the head word are used as strings, and thus the translation rule can be used for definitely guiding the translation process. According to the translation rule extracted by the method, the performance of the translation method based on the dependency grammar tree can be improved. On a data set of 1.54 million of parallel bilingual corpus, the performance of a dependency grammar tree to a string translation model is improved by 1.68 BLEU (Bilingual Evaluation Understudy) points compared with that of a component tree to the string model.

The invention discloses a low stress clamping method for lap joint of a part by facing a boss. The method comprises the steps of selecting a proper position and arranging a process boss of a certain shape and size according to the features of the part shape and outline; and fixing the relative position between the boss and a working table by screws, and then tightening the screws in a special direction and sequence, so that the part is fit with a working platform, and the clamping of the part is finished. The low stress clamping method is applicable for clamping and pressing a locating part through the boss externally connected, and the clamping stress generated in the clamping process of the part can be reduced effectively; and the influence of the clamping process on the machining precision of the part is reduced, and meanwhile the clamping efficiency of the part can be further improved.

The invention discloses a quantitative analysis method for the influence degree of papermaking fiber characteristics on the mechanical properties of paper. ; Use Back Propagation Neural Network (BPNN) to establish a statistical model of the relationship between paper fiber properties and paper mechanical properties, and analyze the relationship trend of paper fiber properties on paper mechanical properties one by one; Quantitative analysis of paper fibers based on grey relational analysis The degree of influence of the properties on the mechanical properties of the finished paper. The method is simple and easy to implement, and has the characteristics of simple modeling and analysis process. Aiming at the only qualitative relationship between paper fiber properties and paper mechanical properties, a quantitative analysis method for the relationship between the two is proposed, which reveals the papermaking The quantitative results of the influence of fiber characteristics on the mechanical properties of paper will have an important guiding role in the production and research work of the pulp and paper industry.

The invention discloses a method and a device for quantitative determination of paint surface flatness. The method comprises the following steps: S1, collecting low-coherence light interference spectra of positions on a paint surface at equal intervals one point after another, and obtaining a low-coherence light interference spectrum matrix of the positions of the paint surface; S2, calculating the phase difference [Delta]phi between the low-coherence light interference spectra of any two adjacent positions on the paint surface; S3, calculating a depth distance difference [Delta]z of the two adjacent positions according to the phase difference [Delta]phi; and S4, calculating the integral of the depth distance difference [Delta]z and obtaining the flatness quantitative distribution of the paint surface. The invention provides a brand new technology for automobile paint surface flatness determination, achieves quantitative determination of paint surface flatness, thus helps people understand the flatness situation of the paint surface more directly and concretely and find the cause of ups and downs of the paint surface, and provides clearer guidance for modification and coating techniques.