35results about How to "Meet the needs of positioning" patented technology

An under-shaft radio positioning system of Bluetooth is prepared for fixing a numbers of Bluetooth base stations in mine shaft and connecting these Bluetooth base stations to each other by cable or radio network, applying existed module with Bluetooth chip as Bluetooth mobile station being radio-connected with Bluetooth base station and connecting Bluetooth base station to monitor host by cable network.

The invention discloses a quick and stable cell nucleus location method in order to solve the problem that the processing speed of the traditional cell nucleus location algorithm can hardly meet the requirement of large-scale digital pathological full-slice computer-aided analysis. First, a color de-convolution algorithm is used to extract the cell nucleus component in a pathological image; then, the center position of the cell nucleus is highlighted by a mixed Gaussian filter; and finally, the local maximum value is found in the filtered cell nucleus image, and the position of the cell nucleus is determined through adaptive threshold judgment. The method has the advantages of clear process, easy implementation, low time complexity, fast execution and stable location effect, and is of great significance in digital pathological full-slice computer-aided analysis.

The invention discloses a microphone array sound source positioning method and apparatus. The method includes: determining a horizontal axis around which a microphone array rotates during rotation as a reference axis; calculating a sound emitted by a sound source acquired by the microphone array, and obtaining a first sound source estimated value of a sound source orientation in a three-dimensional space; obtaining an inclination angle of a rotation axis of the microphone array during rotation relative to a horizontal plane which the reference axis belongs to; and obtaining a second sound source estimated value on a horizontal plane corresponding to the first sound source estimated value through calculation according to the first sound source estimated value and the inclination angle, and regarding the second sound source estimated value as a determined sound source orientation. According to the technical scheme of the method and apparatus, during inclination of the microphone array, the sound source orientation in the horizontal plane corresponding to the sound source orientation in the three-dimensional space is calculated, the error between the sound source located during inclination of the microphone array and the practical sound source orientation is reduced, and the precision of sound source positioning and the performance of audio processing are enhanced.

The invention relates to an image processing method for positioning eyes. The invention adopts a technical proposal that the method comprises the following steps of: acquiring an image of a face; and detecting the image of the face, establishing probability support vector machine appearance models for three components including eyes and nose respectively, establishing the Gaussian distribution models of the measuring parameters of the spatial structure of the three components respectively, redefining the length of three edges and establishing Gaussian distribution models, establishing an enhanced image model, selecting candidate points of maximum appearance characteristic similarity and maximum structural similarity as the optimal positions of a target, and determining the possibility of human eyes z1 and z2 or nose z3 according to an appearance characteristic ui shown by the probability support vector machine appearance models on the basis of the probability support vector machine appearance models to position the eyes. The method overcomes the drawbacks in the prior art such as high requirements on image resolution ratio, light and definition, and difficulty in the positioning of the human eyes in a complex environment accurately. The method establishes a high robustness space structural model starting from the appearance characteristics of eyes and the characteristics of the spatial distribution structure of the eyes and the nose and improves human eye positioning accuracy.

The invention discloses a distributive positioning method of a mobile underwater sensor network node. The method comprises the following steps: self-positioning an anchoring node on time according to a surface float equipped with a GPS device to obtain the position information of the anchoring node at the current time as the initial position information; building a prediction model of the anchoring node according to the initial position information; sequentially predicting the position at the next time based on the initial position information and the prediction model and according to the preset positioning cycle; acquiring the initial position information of a general node by referring to the initial position information of other underwater nodes; sequentially predicting the position at the next time based on the initial position information of the general node and according to the group characteristics and the preset positioning cycle. According to the method, the distributive positioning algorithm is adopted, which fully utilizes the movement model of the underwater node, and thus the positioning information of each node is obtained on the premise that the communication times of the anchoring node and the general node are reduced, and as a result, the energy consumption is decreased.

The invention provides a binocular camera and laser radar combined robot positioning method. An environment identification sensor transmits collected outer environment information to an industrial control machine, an environmental map is drawn, through mutual cooperation, the pose of a robot is judged, whether the robot is moved to the target area or not is judged, and through sensor data cooperation use, the robot can be well positioned; through cooperative use of a binocular camera and a laser radar, more rich environment information is transmitted to the robot, the problems that two-dimensional laser environment information is little, and three-dimensional laser cost is high are solved, and meanwhile, the more accurate outdoor positioning information is provided.

The invention provides a specific place personnel positioning method, server and system which are suitable for the communication field. A corresponding ID is bound to each person in a specific place. The specific place personnel positioning method includes the steps of enabling the server to receive positioning requests of a mobile terminal, wherein the positioning requests comprise an ID bound to a person to be positioned, inquiring position information corresponding to the ID bound to the person to be positioned according to the ID bound to the person to be positioned, an ID prestored in a home terminal and a mapping table of the position information, considering the inquired position information as position information of the person to be positioned, and feeding back the position information of the person to be positioned to the mobile terminal. According to the specific place personnel positioning method, server and system, positioning among team members can be achieved.

The invention provides a security and protection robot. A front wheel steering and back wheel driving structure manner is adopted, a multi-sensor data fusion positioning method is used for motion, a vehicle frame, a front wheel assembly, a back wheel assembly and a steering mechanism are included, the front wheel assembly and the back wheel assembly are supported to the front end and the back endof the vehicle frame correspondingly, and the steering mechanism is installed on the lower surface of the vehicle frame. According to a steering chassis, position allocation of front and back wheels and a steering device meets the ackerman corner principle, it can be guaranteed that all wheels do pure rolling during steering, the steering force is reduced, and the motor power is reduced; and meanwhile, a binocular camera, a laser radar and a differential GPS are used in cooperation, and more accurate outdoor positioning information is provided.

An embodiment of the invention provides an indoor positioning method and indoor positioning equipment, which are used for solving the problem of unnecessary loss of items because the indoor items aredifficult to locate in the prior art. The indoor positioning method comprises the steps of: identifying received user voice information, acquiring a positioning instruction of a user for an indoor target item; querying a Bluetooth tag ID of the target item; acquiring a target Bluetooth signal of Bluetooth tag ID broadcasting of the target item at the latest moment according to the Bluetooth tag ID; and positioning the target item based on the target Bluetooth signal, and acquiring position information of the target item.

The invention discloses a prison personnel indoor positioning control system based on RFID technology. The system comprises RFID wristbands, which are used for storing identity information of wearers and collecting and obtaining face images of the wearers; and a plurality of base stations, wherein each base station is used for prestoring identity information and a face image of each user, actively sending a radio-frequency signal to each RFID wristband and receiving and displaying a feedback signal from the RFID wristband, wherein the feedback signal comprises the identity information and the face image of the wearer; and the base station is also used for matching the identity information of the wearer in the feedback signal with the pre-stored identity information of the user, when matching is successful, matching the face image of the wearer in the feedback signal with the pre-stored user face image, and if the matching fails, generating and giving an alarm signal. The prison personnel indoor positioning control system can obtain information of the RFID wristband wearers quickly and carries out identity verification on prison personnel accurately, thereby effectively preventing the problem that the wristbands do not accord with the identities of the wearers.

The invention provides a manufacturing method based on a tourism major teaching sand table. The method comprises the following steps: 1, horizontally arranging a supporting plate on a bearing table, arranging a plurality of ejector rods on the supporting plate in a matrix manner, and horizontally arranging a connecting plate above the supporting plate, wherein the connecting plate comprises a plurality of sub connecting plates which are arranged in one-to-one correspondence with the end parts of the ejector rods; 2, manufacturing a sand table model; 3, cutting the sand table model into a plurality of sub-models according to terrain distribution of the sand table model; and 4, correspondingly arranging the cut sand table model on the connecting plate. The teaching sand table can be manufactured through the manufacturing method, when the teaching sand table is used for teaching, and when each piece of terrain is explained, the ejector rods below the sub-model corresponding to the terrain can be controlled to jack up so that the ejector rods jack up the connecting plate to jack up the sub-model of the terrain, students can observe the sub-model more visually and more clearly, and teaching is facilitated.

The invention relates to the technical field of steel bar locating in secondary lining of mined tunnels, in particular to a method for analyzing the position of a second row of steel bars in a mined tunnel by adopting a waveform method. When the position of the second row of the steel bars in the mined tunnel is analyzed by adopting the waveform method, a ground penetrating radar is adopted to perform data collection on secondary lining of the mined tunnel; during analysis by adopting the waveform method, in the position of a first row of steel bars, the amplitude is a maximum value; and with the increment of the depth, the amplitude of a radar wave is gradually reduced when the radar wave does not meet the second row of the steel bars, and the amplitude of the radar wave is remarkably increased when the radar wave meets the second row of the steel bars, so that it is showed that the second row of the steel bars are arranged in the position where the amplitude is increased. According to the method for analyzing the position of the second row of the steel bars in the mined tunnel by adopting the waveform method, data is analyzed, so that the position of the second row of the steel bars in the mined tunnel can be accurately displayed and the demands of people on locating of the position of the second row of the steel bars in the mined tunnel can be met; and the method is suitable for population and use.

The invention provides an automatic feeding and discharging device for a large ultra-high precision sheet metal stamping part. The device comprises a punch body, a driving motor is bolted to the leftside of the back surface of an inner cavity of the punch body, a gear rack is transversely bolted to the opposite side of the inner cavity of the punch body, a belt line matched with the driving motoris in transmission connection to the opposite side of the gear rack, and a material taking sucking disc frame is bolted to the opposite left side of the belt line. According to the device, a drivingsource is provided through a push rod air cylinder, then the height of a lifting platform can be adjusted through the matching of a base, a sliding groove, a sliding block, a moving seat and a liftingframe, so that a product can be rapidly moved to the right below the material taking sucking disc frame, the purpose of rapid feeding is achieved, the feeding rate of the product is improved, the driving source is provided through a positioning air cylinder, then a positioning seat, a first limiting strip and a second limiting strip are matched, the periphery of the product can be clamped and positioned, the requirements for positioning different dies are met, and the stamping forming speed of the product is accelerated.

The invention, which belongs to the technical field of electrified rail transit and power electronic converters, particularly relates to a subway train position detection system which comprises a plurality of position detection units. And the position detection units are used for detecting the dynamic change of a rail pressure drop, comparing magnitudes and products of voltages output by the adjacent position detection units, and further judging the real-time position of the train. The system has the advantages of dynamic real-time train position judgment, simple principle, low cost, small maintenance amount and the like.

The invention relates to a control device for a sand table car model. The control device comprises a magnetic element, a magnetic induction element, a signal collecting circuit, a central processing unit, an infrared transmitter, an infrared receiver, a comparator and a controller. The magnetic induction element is stimulated by the magnetic element to generate electric signals; the magnetic induction element induces a magnetic field and generates the electric signals; the signal collecting circuit collects the electric signals; the central processing unit receives the electric signals and recognizes the position of a car model robot; the infrared transmitter transmits infrared light to the car model robot to provide a travelling route; the infrared receiver receives infrared light signals; the comparator receives and compares the infrared light signals and outputs corresponding level signals; the controller is used for receiving the level signals and controlling the car model robot to travel. The magnetic induction element is used for generating current signals under the magnetic field of the magnetic element to recognize the position of the car model robot, and the magnetic induction element is compact in structure, so that high-accuracy positioning is achieved, and the requirement for the position of a sand table is met; on the other hand, the car model robot is controlled to travel through the infrared transmitter and the infrared receiver and used for demonstration of the sand table, interaction between people and the sand table is achieved, and the sand table car model is more interesting.

The invention discloses a quick and stable cell nucleus location method in order to solve the problem that the processing speed of the traditional cell nucleus location algorithm can hardly meet the requirement of large-scale digital pathological full-slice computer-aided analysis. First, a color de-convolution algorithm is used to extract the cell nucleus component in a pathological image; then, the center position of the cell nucleus is highlighted by a mixed Gaussian filter; and finally, the local maximum value is found in the filtered cell nucleus image, and the position of the cell nucleus is determined through adaptive threshold judgment. The method has the advantages of clear process, easy implementation, low time complexity, fast execution and stable location effect, and is of great significance in digital pathological full-slice computer-aided analysis.

The application discloses a method for expanding the capacity of a cluster system and a base station. The method includes judging whether the number of current terminals exceeds the preset number of bearers, wherein the current terminal is the sum of communication terminals that have subscribed to GPS and communication terminals that apply for subscription to GPS; if the number of current terminals exceeds the preset number of bearers, then Adjust the initial GPS subscription period of the subscribed communication terminal, so that the adjusted number of bearers is greater than or equal to the number of current terminals; wherein, the preset number of bearers is the number of bearers corresponding to the initial GPS subscription period. Through the above method, the present application can automatically adjust the GPS subscription cycle, thereby realizing the expansion of the trunking system and meeting the needs of more terminals for GPS positioning.

The invention belongs to the technical field of electrified rail transit and power electronic converters, and specifically relates to a subway train position detection system, which includes several position detection units. The position detection unit is used to detect the dynamic change of rail pressure drop, compare the magnitude and product of the voltage output by adjacent position detection units, and then judge the real-time position of the train. The invention has the advantages of dynamic and real-time judgment of the train position, simple principle, low cost, small maintenance amount and the like.

The invention discloses a rear cross beam assembly of a motor suspension system, an auxiliary frame assembly and a new energy automobile. The rear cross beam assembly comprises a rear cross beam body and a first connecting support. The two ends of the rear cross beam body are connected with a rear left suspension and a rear right suspension on the suspension system respectively, and the rear cross beam body is sequentially provided with two mounting positions in the length direction of the rear cross beam body; when a new energy automobile needs right driving motor positioning or left driving motor positioning, the other end of the first connecting support only needs to be connected to the corresponding installation position, the requirement for right driving motor positioning and left driving motor positioning can be met, a large space can be provided for a passenger cabin, a large space can be provided for battery arrangement, and the new energy automobile can be conveniently and rapidly positioned. And the competitiveness of the endurance mileage of the same-level new energy automobile is improved.

The invention discloses a real-time continuous positioning method in a UWB-based NLOS tunnel environment, including: each label node communicates continuously with all adjacent anchor points, measures the distance from itself to the anchor point, and uses the least square method to predict the label Then use a greedy clustering algorithm to estimate the position of the label node, and finally determine the final position of the label node according to the predicted position and estimated position. The method of the invention makes positioning more accurate and meets the needs of tunnel personnel and vehicle positioning.

The invention discloses a bridge pier placing device convenient to position for bridge construction and an implementation method thereof, which belong to the technical field of bridge construction. The bridge pier placing device comprises a positioning bracket A and a positioning bracket B. The positioning bracket B is connected with the positioning bracket A through a translation mechanism, and supporting seats are installed at corners of the positioning bracket A and the positioning bracket B; the positioning bracket A and the positioning bracket B are each provided with a guide mechanism, and the guide mechanisms are evenly distributed on the inner side face of the positioning bracket A and the inner side face of the positioning bracket B. According to the bridge pier placing device convenient to position for bridge construction and the implementation method thereof, the positioning bracket A and the positioning bracket B can position bridge piers of different sizes through the translation mechanism, positioning is accurate, the universal range is wide, the use requirements under different conditions can be met, the bridge piers are guided through balls, in the placing process of the bridge piers, friction force is small, placing is smooth, the bridge piers are not prone to damage while being placed, and the service lives of the bridge piers can be prolonged.

The invention relates to an image processing method for positioning eyes. The invention adopts a technical proposal that the method comprises the following steps of: acquiring an image of a face; and detecting the image of the face, establishing probability support vector machine appearance models for three components including eyes and nose respectively, establishing the Gaussian distribution models of the measuring parameters of the spatial structure of the three components respectively, redefining the length of three edges and establishing Gaussian distribution models, establishing an enhanced image model, selecting candidate points of maximum appearance characteristic similarity and maximum structural similarity as the optimal positions of a target, and determining the possibility of human eyes z1 and z2 or nose z3 according to an appearance characteristic ui shown by the probability support vector machine appearance models on the basis of the probability support vector machine appearance models to position the eyes. The method overcomes the drawbacks in the prior art such as high requirements on image resolution ratio, light and definition, and difficulty in the positioning of the human eyes in a complex environment accurately. The method establishes a high robustness space structural model starting from the appearance characteristics of eyes and the characteristics of the spatial distribution structure of the eyes and the nose and improves human eye positioning accuracy.

The invention provides a multi-sensor data fusion robot positioning method. The environment recognition sensor transmits the collected external environment information to the industrial computer and draws the environment map, and judges the pose of the robot itself and whether it moves to The area of ​​the target can be well positioned by the robot through the use of sensor data. The present invention conveys richer environmental information to the robot through the combined use of binocular cameras, laser radar and differential GPS, solves the problems of less environmental information of two-dimensional lasers and high cost of three-dimensional lasers, and also provides more accurate outdoor positioning information.

The invention discloses an anti-shifting manual bolt mechanism which comprises a positioning pin, wherein a base is arranged on the lower portion of the positioning pin, and the positioning pin penetrates through the base. bushings corresponding to the positioning pin are arranged on the two sides of the base respectively; a plunger hole is formed in the base, and an annular groove corresponding to the plunger hole is formed in the positioning pin; internal threads are arranged in the plunger hole which is connected to a ball plunger through the internal threads, and the end part of the inner side of the ball plunger corresponds to the annular groove. Manual positioning of the positioning pin is achieved through the base, the ball plunger and an anti-rotating pin, so that the structure is simple, operation is easy, the positioning requirements can be met, the positioning pin can be effectively prevented from moving front and back, and good stability is achieved.

The invention discloses a positioning measurement method, device and equipment and a readable storage medium. The method comprises the steps that a terminal measures a plurality of positioning reference signals in a first positioning measurement window; and the terminal determines the position information of the terminal according to the measurement results of the plurality of positioning reference signals. In the embodiment of the invention, the terminal can measure the plurality of positioning reference signals in the first positioning measurement window and determine the position information of the terminal based on the measurement result, and the transmission of data / control signaling does not need to be interrupted during measurement, so that the requirement of low-time-delay terminal positioning can be met.

The invention provides a security and protection robot. A front wheel steering and back wheel driving structure manner is adopted, a multi-sensor data fusion positioning method is used for motion, a vehicle frame, a front wheel assembly, a back wheel assembly and a steering mechanism are included, the front wheel assembly and the back wheel assembly are supported to the front end and the back endof the vehicle frame correspondingly, and the steering mechanism is installed on the lower surface of the vehicle frame. According to a steering chassis, position allocation of front and back wheels and a steering device meets the ackerman corner principle, it can be guaranteed that all wheels do pure rolling during steering, the steering force is reduced, and the motor power is reduced; and meanwhile, a binocular camera, a laser radar and a differential GPS are used in cooperation, and more accurate outdoor positioning information is provided.

The invention discloses coated wafer correction equipment. The coated wafer correction equipment comprises a correction plate used for placing wafers to be coated and a lifting mechanism used for inclining the correction plate to enable the wafers to slide downwards along a plate body, the correction plate is provided with a positioning part located on the sliding track of the wafers, the positioning surface of the positioning part directly faces the wafers, and the wafers are tightly attached to the positioning surface of the positioning part in the sliding process. According to the coated wafer correction equipment, the wafers are arranged on the correction plate, and the plate body of the correction plate is inclined by arranging the lifting mechanism, so that the wafers slide down along the plate body and are tightly attached to the positioning part arranged opposite to the wafers in the sliding process, the distances among all the wafers are ensured to be fixed, and the coating positions on subsequent piezoelectric wafers are enabled to be the same.

An under-shaft radio positioning system of Bluetooth is prepared for fixing a numbers of Bluetooth base stations in mine shaft and connecting these Bluetooth base stations to each other by cable or radio network, applying existed module with Bluetooth chip as Bluetooth mobile station being radio-connected with Bluetooth base station and connecting Bluetooth base station to monitor host by cable network.