107 results about "Self navigation" patented technology

The invention relates to a navigating and stabilized sighting method of a navigation/stabilized sight all-in-one system, belonging to the inertial guidance field. The navigating method realizes stance and positioning on a load by an inertial measuring unit which is arranged on an electro-optical stabilized sighting platform. The method comprises the steps as follows: collecting the signal of the inertial measuring unit; fast and accurately initial aligning below the stabilized sighting platform; an inertial navigation algorithm based on vehicle-bone stabilized sighting platform; resolving heading attitude and analyzing the error thereof; analyzing the error of an inertial guidance system and an inertial part, modeling and compensating; and inertial guidance/milemeter/GPS multi-information fault-tolerance combined navigation. The navigation method overcomes the defects in the prior art that stabilized sighting and the navigation system can not work simultaneously and the all-in-one system can not provide full navigation information, can provide real-time, accurate and complete navigation heading attitude information and navigation positioning information for carriers (like a chariot), and can improve the battlefield viability and the comprehensive hosting ability.

The invention relates to a multifunctional home service robot. The multifunctional home service robot is characterized by comprising an intelligent control system, a mechanical structure and a remote control terminal, wherein the intelligent control system is installed on the mechanical structure, the remote control terminal can regulate and control the intelligent control system, and thus the mechanical structure is driven to execute corresponding commands. The multifunctional home service robot can carry out voice-image feedback and limb feedback according to human voice commands and meanwhile has the functions of dust removing, disinfecting, organic-matter decomposing, gas detecting, air purifying, self-navigation traveling, self-action charging and the like. All-dimensional camera shooting and projection entertainment can be controlled through an intelligent microcomputer. The multifunctional home service robot can be used for information storage and voice, text and image intelligent interaction. The multifunctional home service robot also has the functions of indoor security inspection under remote control, emergency alarming and the like.

The invention discloses an aircraft-mounted multi-navigation-source comprehensive navigation simulation system. In the system, each navigation simulation sub system really simulates functions, performances and interfaces which are same as those of a model according to a self-navigation principle. A scheduling system responds a display control command, a load command and load data information sent by a mission system, and drives the navigation simulation sub systems to perform simulation calculation with combination of environment simulation data. A combined navigation system, with an INS simulation sub system as a main navigation source, performs integrated navigation based on and fault detection federated Kalman filter with GNSS, TACAN and IFDL as auxiliary navigation sources. Information fusion is achieved through a generalized federated Kalman filter in a two-stage structure constructed through a federated filter algorithm, wherein a main filter performs total information fusion and performs information distribution and information reset to each sub filter. Optimal estimation is carried out to a result of each sub filter through a dynamic information distribution coefficient. Meanwhile, the INS simulation sub system is subjected to closed-loop negative feedback correction through an estimated error by the system.

Systems and methods for providing a navigation and guidance sequence during configuration, input, and storage of programmable parameters for use in a medical device. One embodiment includes a cardiac rhythm management device as the medical device. The navigational sequence provides a series of interfaces on which parameter input fields are displayed. In one embodiment, the interfaces are graphical user interfaces. Each interface may include a plurality of different sets of parameter input fields with only one set being displayed at a time.

The invention discloses a self-navigation full-automatic cleaning device for a photovoltaic cell panel. The device has the full-automatic functions of automatically navigating travelling, automatically regulating a cleaning state, automatically selecting a cleaning mode and automatically charging an accumulator. The load-bearing trolley of the device realizes the automatic travelling function of a fixed route by utilizing a self-navigation sensing system and detecting characteristic markers previously placed on site; the lifting platform, telescopic link, brush roller bracket and fixed bearing of the device can completely substitute for the design of a mechanical arm to realize the automatic real-time control of the angle height of the brush roller bracket and realize the function of automatically regulating the cleaning state according to pressure sensing data; a photoelectric sensing system can feed back the dust dirty degree of the surface of the photovoltaic cell panel in real time so as to regulate the travelling speed of the load-bearing trolley and the rotation speed of a brush roller and determine whether a water spray cleaning mode is adopted or not. The self-navigation full-automatic cleaning device disclosed by the invention is simple in structure, can not only save the cost, but also increase the cleaning efficiency, and is very suitable for large-area popularization and usage.

A data transmission method of wireless sensor network based on multiple mobile agents introduces the mobile agents into the data collection and transmission for network. The main strategies of the method are: 1. collecting local data through self-equipped processing capability of software mobile agents and carrying out local processing; 2. starting hardware agents for continuously carrying out data collection and transmission for a local part of the network during a period with requirement of massive data collection and transmission. Thereby, the traditional mode pattern of distributed user terminal/server of a system is changed, data flow transmitted from a sensor node to a base station (or a gateway) is greatly decreased, the manner of data transmission is simplified and the purpose of energy saving and efficiency is realized. On condition of that once these matters occur in the network, the user needs to obtain accurate and real-time information, a self-navigation mechanism of the hardware agent can get to the occurring area, and the hardware agent can speedily collect and transmit the data cared by the user based on its excellent capability of management and communication.

The invention discloses a visual navigation and inertial navigation combination navigation method based on an aircraft. The method comprises the following steps: 1, establishing a two-dimensional planar rectangular picture coordinate system; 2, acquiring video image data and aircraft pose data, and preprocessing images; 3, continuously tracking a characteristic point; 4, establishing a three-dimensional flight-path coordinate system; 5, calculating the speed vector of the flight-path; 6, resolving the attitude of the aircraft; 7, fusing data, and calculating the flight-path angle; 8, carrying out coordinate transformation, and acquiring the displacement matrix of the aircraft; and 9,repeating step 3 to step 8 multiple times until the continuous acquisition of the displacement matrix set of the images is completed in order to achieve the continuous combination navigation. The movement flight-path speed vector of the aircraft is obtained through visual navigation, the inertial navigation data is fused, and the error of the visual navigation is compensated and corrected to reconstruct the flight-path of the aircraft, so the aircraft can stably and autonomously fly.

The invention relates to an UPF automatic astrogation based on the star angular distance. It starts with precise modeling of the UPF track dynamics, using the star angular distance as the measuring unit, and optimizing the estimation based on the UPF (unscented particle filter) for the guide parameter. It applies to UPF guide location on the track transfer for the guide parameter determination.

The invention relates to a wheel type mobile robot navigation method based on an IHDR self-learning frame. The method comprises following steps: firstly, a robot is guided to move, and in the process, the robot is controlled to acquire current image information and speed values in real time via a kinect sensor and a handle; then the IHDR algorithm is employed to establish a mapping relation between image input and speed value output and store a lot of acquired data in the robot in the manner of a "knowledge" tree-shaped structure; finally, the robot can search in a knowledge base according to the current image information without human intervention so that self navigation is realized. According to the method, the robot has the same thinking mode with people, a cognitive ability is reflected, the navigation is not realized via a mathematical model in a conventional manner, and the intelligent degree is higher.

The invention relates to a single-viewing-field multifunctional optical sensor and a realization method. The sensor integrates functions of a star sensor, a navigation sensor and a spatial optical camera and comprises a dynamic range exposure module, an image processing module, a posture calculation module, a self-navigation module and an image compression module. Functions of a conventional navigation system with multiple sensors combined are realized through a single sensor, so that system complexity is greatly simplified, and weight and cost are lowered.

The invention provides a method controlling a vehicle by electroencephalogram and an intelligent vehicle using the method. The method includes that a destination which is expected to reach by a user is identified by collecting and analyzing an electroencephalogram signal when the user watches a corresponding destination and is stimulated, then the destination is transmitted to a self-navigation system of the intelligent vehicle, and a vehicle is moved to the destination by the self-navigation system. Any limb motion and language are not needed, only a task of a brain-machine interface needs conducting by the user, a command is obtained by analysis of the brain signal, and movement of the intelligent vehicle is achieved.

The invention relates to a planet entering section navigation filtering method based on a layered atmosphere model and belongs to the technical field of deep space detection. The method provided by the invention takes an output of an inertial measurement unit (IMU) as an external measuring value on the basis of a dead reckoning navigation method and simultaneously introduces a multilayered atmosphere model to establish a planet entering section measurement equation and construct a state estimating device; filtering estimation is carried out on positions, speeds and direction information of a landing device; resolving time of navigation data is short and real-time requirements of self navigation are met; compared with a single dead reckoning navigation method, the influences on the state of the landing device by initial deviation can be corrected and the navigation precision is improved.

The invention discloses a self-navigation wind gathering device for a vertical axis wind driven generator. A wind gathering frame is provided with an upper bearing sleeve and a lower bearing sleeve which are close to a circle center part, and the bearing sleeves are connected to a main axis of the vertical axis wind driven generator through an upper bearing and a lower bearing. A front wind gathering plate, a side wind gathering plate and a balance rod which can radially move along the wind gathering frame are vertically distributed inside the wind gathering frame, wherein an included angle alpha between the front wind gathering plate and a Y axis in a negative direction is 30-70 degrees; an included angle beta between the side wind gathering plate and an X axis in a positive direction is0-90 degrees; included angles theta1 and theta2 between both side plates of an empennage and the Y axis in the positive direction are 0-30 degrees; and the empennage is arranged above the wind gathering frame. The self-navigation wind gathering device for the vertical axis wind driven generator has reasonable structure, and compared with a vertical axis wind driven generator without the wind gathering device, the self-navigation wind gathering device for the vertical axis wind driven generator can effectively improve the rotating speed of blades of the vertical axis wind driven generator, thereby improving the utilization rate of wind energy by 100-150 percent.

The invention discloses a remote fixed-point self-navigation method based on a visual ROS system and used for a nonholonomic robot. Firstly, a RGB images and depth images are acquired through a calibrated Kinect vidicon to obtain a point cloud image, an SURF method is adopted to extract characteristic information of each frame of images, the characteristics of adjacent frames are matched, robot posture change between every two adjacent frames is estimated by combining with the depth images, estimation results are optimized, a raster map of an ambient environment is created, connection betweenan upper computer and a lower computer is achieved, destination marking is conducted on the map, and remote fixed-point self navigation of the robot is achieved. Posture information of the robot is read through point cloud images, the position accuracy is improved, and characteristic extraction is performed by adopting the SURF method so that the extraction speed and accuracy can meet the real-time demand. The posture change is optimized and treated, the positioning accuracy is improved, meanwhile the function of remote fixed-point self navigation of the robot is achieved.

The invention discloses a device for vein navigation. A skin area exposed to an infrared light source is obtained through a sensitization device, an image is transmitted to a microprocessing unit, undergoes processing of an image algorithm, such as enhancement, extraction and reconstruction, is transmitted to a projection module and is projected to an image collecting area through the projection module, and it is guaranteed that the projected image and an originally collected image coincide under the working distance conditions. A method for vein navigation is further disclosed. According to the device and method for vein navigation, doctors are assisted to operate blood vessels, the device has the advantages of being compact in structure and good in real-time performance, and the processed image can be completely projected to the surface of the skin according to the proportion of 1:1.