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 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.

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, 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 novel mould material in-frame four-point positioner, which relates to a mould material positioner and comprises a stainless steel module (1) and a four-point positioner (2),wherein the four-point positioner (2) is arranged in the stainless steel module (1); the four-point positioner (2) is arranged in the four-point positioning part of the inner frame of the stainless steel module (1) and breaks through traditional two-point positioning. The novel mould material in-frame four-point positioner meets the requirement for positioning material, at least reduces the widthof the material by 30% to 40%, largely reduces the use cost of the material, meets a product pressing requirement, reduces the length of a mould by 10% to 15% simultaneously and reduces the development cost.

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 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 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.