31results about How to "Increase the frequency of inspections" patented technology

An inspection-required product selection method and program for minimizing the number of investigation steps at the time of a defect occurrence for a product placed on the market are disclosed. A combination of product lots to be inspected is assumed based on the information on the material lots used for a product lot scheduled for production for a predetermined future period and the number of the product lots inspected during the same period. The number of the material lots not included in the product lots to be inspected is totalized for each product lot, and the statistical values are calculated for all the conceivable combinations of the product lots. The combination of the product lots optimizing the statistical values is selected for inspection.

The invention provides an inspection unmanned aerial vehicle control method and device for a smart road, and the control method comprises the following steps: obtaining the traffic flow of each section of the road, and determining the inspection frequency required by each section of the road according to the traffic flow of each section of the road, wherein the traffic flow of the road is in positive correlation with the required inspection frequency; determining an inspection line of each inspection unmanned aerial vehicle, and combining the inspection frequency required by each section of the road and the flight speed of the inspection unmanned aerial vehicle to obtain the number of the inspection unmanned aerial vehicles required by each section of the road, wherein the inspection lineis an annular line; arranging starting points with the number corresponding to that of the inspection unmanned aerial vehicles on the inspection line, wherein the distances between every two adjacentstarting points on the inspection line are the same; and setting each inspection unmanned aerial vehicle at a starting point, and then simultaneously controlling all inspection unmanned aerial vehicles to perform inspection clockwise or anticlockwise along the inspection line. According to the technical scheme provided by the invention, the problem of relatively low routing inspection reliabilitycaused by unreasonable control on the highway routing inspection unmanned aerial vehicle in the prior art can be solved.

The invention provides a load balancing method and system. After checking the validity of a node each time, the probability that the state of the node is unchanged is calculated when the node is checked next time, and according to the probability, the time interval between this time node checking and next-time node checking is calculated, so that the time interval of node checking can be dynamically changed, therefore, for the nodes with unchanged validity status, the adaptability reduces the checking frequency and reduces the resource consumption required for checking; and for the nodes with changed validity, the adaptability improves the checking frequency and ensures the real-time performance of checking.

The invention belongs to the mechanical equipment diagnosis technical field and relates to a rotating mechanical equipment automatic diagnosis system and method. The method has the advantages of low cost, high stability, convenient installation and use, convenient maintenance, high precision and the like. With the rotating mechanical equipment automatic diagnosis system and method adopted, the automatic diagnosis of the health state of rotating mechanical equipment under different rotational speed conditions can be realized, specific failure modes can be diagnosed, so that trouble-shooting iscarried out in a targeted manner; and equipment state characteristics in a time-frequency joint domain which are included in equipment dynamic signals can be displayed with higher precision, so that adiagnosis technology is easy to operate. The rotating mechanical equipment automatic diagnosis system and method can remotely monitor the operation of the rotating mechanical equipment and significantly reduce inspection costs and improve inspection frequency.

The invention discloses a BP bridge safety inspection vehicle and a method for obtaining a bridge surface physiognomy. Equipment comprises a walking vehicle and a bridge physiognomy collecting system which is loaded on the walking vehicle, wherein the bridge physiognomy collecting system at least comprises a two-dimensional laser scanning device, an industrial CCD camera, a GPS system, an inertial navigation system and a main controller. According to the BP bridge safety inspection vehicle and the method for obtaining the bridge surface physiognomy, three-dimensional geometric shapes and texture image data of the surface of the outer contour of a visible bridge can be rapidly obtained in a high-precision mode, when the BP bridge safety inspection vehicle and the method for obtaining the bridge surface physiognomy are used, current safety conditions of a bridge structure are judged through comprehensive comparative analysis on history data obtained by the BP bridge safety inspection vehicle, therefore, operation safety of the bridge is guaranteed, bridge accidental collapse accidents are eradicated, a traditional bridge inspection method focusing on manual visual inspection is promoted to develop in an automatic, efficient, standardized and precise direction, and the BP bridge safety inspection vehicle and the method for obtaining the bridge surface physiognomy can also be used for conducting regular bridge safety check in an efficient, economical, practical and accurate mode.

The invention relates to a size detecting method of non-destructive rectangular groove which includes following steps: producing a pouring model based on shape of wall of inner cavity and outer surface of pouring model, the pouring model includes pouring mouth and pouring cavity which are connected, the pouring cavity is cavity whose side face is open, opening of the cavity is on outer surface of pouring model matched with wall of inner cavity; the pouring model abuts on wall of inner cavity, the fusible metal is poured into pouring cavity from pouring mouth, when it is cooled, metal block whose shape is the same as rectangular groove is formed, the metal block is projected under projecting apparatus for detecting size. The benefit effects of the invention are: the detecting method of the invention not only destroy product, but also increase efficiency, decrease period of detecting, increase frequency, guarantee quality of product.

The invention discloses a method for monitoring the working state of a ring spinning frame, which is characterized in that: an induction device is installed in the sensing area of ​​the spinning frame balloon, and the induction device senses the digital signal generated by the rotation of the spinning balloon, and outputs The digital signal is analyzed to judge the working status of the ring spinning machine. The method of judging the working state of the ring spinning frame is calibrated by monitoring the output digital signal amplitude and the distance between the actual sensing device and the yarn balloon, and according to the frequency and amplitude maximum and minimum values ​​of the digital signal within a certain period of time , The average value is compared with the set value to analyze the working state of the spinning frame. The invention has the advantages of simple structure, high inspection frequency and stable signal characteristic curve; it can count and calculate the size of the balloon and the rotating speed of the balloon; it can comprehensively diagnose the working state of the spinning frame and perform alarms for various faults.

The invention discloses a method for recognizing looseness of a friction type high-strength bolt in rod piece connection nodes, which comprises the steps of 10) arranging measuring points on a rod piece connection node splicing plate, and setting a temperature sensor and a fiber grating strain sensor at each measuring point; 20) building the linear change rate of the axial strain of the position of each measuring point along with the temperature field; 30) establishing a distribution curve of the linear change rate along the cross section of each rod piece; 40) performing integration on each of the established distribution curves to obtain corresponding integral values; 50) calculating a first-order difference absolute value of the adjacent integral values, and enabling the distribution curve along the rod axis direction to serve as a fundamental curve; 60) returning back to the step 20) to obtain a real-time curve of the first-order difference absolute value along the rod axis direction at the rth day; and 70) performing looseness recognition on the bolt by using the difference between the real-time curve and the fundamental curve. The looseness position of the high-strength boltcan be accurately recognized according to the recognition method disclosed by the invention.

The invention discloses an automatic inspection system for an airport aerial display terminal. Including: the information collection module is used to take screenshots of the screen of each aerial display terminal and generate screenshots; the state analysis module is used to extract the picture information of the screenshots of each aerial display terminal, and store the picture information in the database in advance Compare and analyze the standard information corresponding to each aerial display terminal to judge whether the display status of each aerial display terminal is normal and whether the displayed information is accurate; the monitoring module is used to monitor the comparative analysis results of the state analysis module. The invention automatically collects screenshots of aerial display terminals on a regular basis, intelligently extracts the information in the screenshots and compares them with standard information, and automatically judges whether the display status of the aerial display terminal is normal and whether the flight information is displayed accurately, so as to realize automatic and intelligent patrol inspection Improve the integrity and accuracy of the information displayed on the terminal of the aerial display system.

The invention discloses an intelligent inspection robot, which comprises a mobile base, a lifting mechanism, a rotating platform and a viewing platform; the lower end of the lifting mechanism is connected and fixed to the moving base, and a rotating platform, the rotating platform is rotatably installed on the upper end of the lifting mechanism with the center line of the lifting mechanism as the axis, and the inspection platform is articulated on the rotating platform; the mobile base includes a navigation device, a communication device , a driving device and a control device, the navigation device, the communication device, and the driving device are respectively connected to the control device; the communication device is connected to a remote control system. With this intelligent inspection robot, the position and angle of the inspection platform can be flexibly adjusted according to needs, and has good applicability. Using this inspection robot to replace manual inspections on substations increases inspection frequency and improves the immediacy and reliability of inspection results. sex.