32results about How to "Judgment method is accurate" patented technology

The invention discloses an intelligent in-event disposal-based security protection method and system. The security protection method includes the following steps that: the characteristic information of an environment is sensed; the weight of each kind of characteristic information is set, and calculation is carried out according to the danger value and weight of each kind of information so as to obtain a danger superposition value; the danger superposition value is compared with a danger threshold value, so that the danger level of the onsite environment is judged, if the onsite environment is dangerous, alarm signals of different levels are sent to a monitoring end, and a matched disposal program is generated at the same time; the disposal program is automatically implemented, or an automatic program is terminated by a supervisor, and violence is stopped through remote control or onsite violence suppression is implemented. With the intelligent in-event disposal-based security protection method and system of the invention adopted, background supervisors can obtain alarm information directly through visual sense and auditory sense; and information such as the facial and behavior characteristics of onsite people, the shapes and attributes of objects, and surrounding environment can be sensed intelligently and judged, and the in-event disposal of a dangerous event can be realized automatically. The intelligent in-event disposal-based security protection method and system of the invention have the advantages of intelligent and comprehensive alarm signal collection, high accuracy, timely onsite disposal and high practicability; and the popularization and use of the method and system can be favored.

The invention relates to a line loss judgment method and device, equipment, a storage medium and a program product. The method comprises the following steps: obtaining a theoretical line loss table of a power supply line in a plurality of historical time periods, obtaining a difference value between the number of metering devices in the current time period of the power supply line and the number of metering devices in each historical time period, and comparing the difference value with a preset threshold value; and judging whether the actual line loss of the current time period is normal or not according to the comparison result and the theoretical line loss and the line loss date of each historical time period. According to the method, the number of the metering devices in the current time period and the number of the metering devices in the plurality of historical time periods of the power supply line are compared, whether the actual line loss is normal or not is further judged according to the difference between the different numbers of the metering devices, and misjudgment of the line loss value caused by the loss of the metering devices and the difference of the numbers of the metering devices is fully considered; the method for judging the line loss is more accurate, and the method for obtaining the number of the metering devices is simple and high in operability.

The invention provides a method for recognizing the water breakthrough rule of a fractured reservoir. The method includes the steps of firstly, obtaining related production data of a mine production well; secondly, generating a daily water content variety curve of a fractured reservoir production well according to the related production data of the mine production well; thirdly, dividing water content variety stages of the fractured reservoir production well; fourthly, determining the included angle phi formed when regression equations of two adjacent water content variety stages intersect; fifthly, counting the range of the included angles phi formed by all different water content stages of the production well; sixthly, providing the range of the included angles phi during water breakthrough of the production well through the combination of geological information and experiences, and determining the water breakthrough time. The method is reasonable, accurate, simple and easy to operate, and the problem that the water logging time of an existing fractured reservoir production well can not be clearly learned is effectively solved.

The invention relates to a traffic jam detection method, and belongs to the technical field of vehicle detection. The method comprises the following steps that (a) a detection area in the length of 200m is selected, and a passive infrared thermal imager in the frame frequency of 25 frames/second is used to obtain images in the detection area; (b) if the same vehicle is found in the detection areain 5 continuous frames, it is shown that the vehicle enters the detection area, and the vehicle is tracked; and (c) in the detection area, jamming is determined by that (c1) if the vehicle appears inthe detection area in fewer than 300 frames, it is shown that the detection area is unobstructed; (c2) ) if the vehicle appears in the detection area in more than 300 frames and fewer than 500 frames,it is shown that passing in the detection area is slow; and (c3) if the appears in the detection area in more than 500 frame, it is shown that jamming occurs in the detection area. The method is simple, accurate and high in speed and efficiency.

The invention discloses a high-pressure jet grouting piling device and a construction method thereof. The piling device comprise a power head, a drilling rod and first and second grouting pipes, the drilling rod is rotationally installed in an installation cavity of the power head, a drill bit of the drilling rod is provided with a first grouting port, the first grouting pipe comprises a first fixed segmented positioned in the power head and a first rotary segment positioned in the drilling rod, and the first rotary segment is communicated with the first grouting port; upper and lower annularcavities are arranged between the installation cavity and the drilling rod; the first fixed segment is communicated with the first rotary segment via the upper annular cavity; and the second groutingpipe comprises a second fixed segment positioned in the power head and a second rotary segment positioned in the drilling rod, the second fixed segment is communicated with the second rotary segment via the lower annular cavity, and the second rotary segment is communicated with a second grouting port. When the drilling bit is positioned in a hard soil layer, the two grouting pipes inject slurry in double amount simultaneously. Via the piling device and the construction method thereof, it is ensured that the slurry is diffused uniformly by rotary grouting in the soft or hard soil layer.