摘要:
Provided are a robot capable of improving the computation rate by considering whether a parameter will diverge and modifying the experiment order of offspring during evolutionary computation, when the covariance of system noise and that of measurement noise are calculated for the purpose of localizing the robot by using a Kalman filter, and a method and medium of localizing a robot by using a calculated covariance. The robot includes a gyroscope module providing information regarding rotational angle; an encoder module providing information regarding velocity and information regarding rotational angle of a wheel by sensing motion of the wheel; and a control module estimating a current location according to a Kalman filter method based on information provided by the encoder module and the gyroscope module, a covariance of system noise and a covariance of measurement noise being calculated in an evolutionary computation and applied to the Kalman filter method by the control module, the covariance of system noise and the covariance of measurement noise satisfying a condition that no Kalman filter parameter diverges in the evolutionary computation.
摘要:
Provided are a robot capable of improving the computation rate by considering whether a parameter will diverge and modifying the experiment order of offspring during evolutionary computation, when the covariance of system noise and that of measurement noise are calculated for the purpose of localizing the robot by using a Kalman filter, and a method and medium of localizing a robot by using a calculated covariance. The robot includes a gyroscope module providing information regarding rotational angle; an encoder module providing information regarding velocity and information regarding rotational angle of a wheel by sensing motion of the wheel; and a control module estimating a current location according to a Kalman filter method based on information provided by the encoder module and the gyroscope module, a covariance of system noise and a covariance of measurement noise being calculated in an evolutionary computation and applied to the Kalman filter method by the control module, the covariance of system noise and the covariance of measurement noise satisfying a condition that no Kalman filter parameter diverges in the evolutionary computation.
摘要:
A method and apparatus for reckoning a position of a moving robot using dead-reckoning and range sensing. The method includes performing dead-reckoning to determine a variation state in accordance with motion of the moving robot, calculating an absolute position of the moving robot by sensing a distance between the moving robot and at least one fixed position, predicting an optimized current position of the moving robot using the variation state and the absolute position, determining whether the optimized current position is within a specified effective area, and correcting the optimized current position in accordance with the determined result.
摘要:
A method and apparatus for reckoning a position of a moving robot using dead-reckoning and range sensing. The method includes performing dead-reckoning to determine a variation state in accordance with motion of the moving robot, calculating an absolute position of the moving robot by sensing a distance between the moving robot and at least one fixed position, predicting an optimized current position of the moving robot using the variation state and the absolute position, determining whether the optimized current position is within a specified effective area, and correcting the optimized current position in accordance with the determined result.
摘要:
A mobile robot and a method of localizing the robot are disclosed. The robot includes a gyroscope module providing information regarding a rotational angle of a gyroscope; an encoder module providing information regarding velocity and information regarding a rotational angle of a wheel of the robot by sensing motion of the wheel; and a control module estimating a current pose of the robot according to a method based on information provided by the encoder module and the gyroscope module, the control module incorporating information regarding rotational angle provided by the gyroscope module when estimating the current pose.
摘要:
A method and apparatus for calibrating a gyro-sensor, by which a gyro-sensor can be calibrated using data which is obtained by measuring an angular velocity and a gyro output value of a moving body equipped with the gyro-sensor. The method includes measuring an angular velocity of a moving body and an average output value of the gyro-sensor when the moving body, equipped with the gyro-sensor, rotates, obtaining data about a characteristic equation of the gyro sensor using the measured angular velocity and the average output value and storing the data, and calibrating the gyro-sensor using the stored data about the characteristic equation.
摘要:
A mobile robot and a method of localizing the robot are disclosed. The robot includes a gyroscope module providing information regarding a rotational angle of a gyroscope; an encoder module providing information regarding velocity and information regarding a rotational angle of a wheel of the robot by sensing motion of the wheel; and a control module estimating a current pose of the robot according to a method based on information provided by the encoder module and the gyroscope module, the control module incorporating information regarding rotational angle provided by the gyroscope module when estimating the current pose.
摘要:
Provided is a method, apparatus, and medium for controlling a mobile device based on the image of a real space including the mobile device, more particularly, a method and apparatus for moving a mobile device based on the image of a real space photographed by a remote control of a user. The apparatus includes an image acquisition unit acquiring the image of the real space including the mobile device using an image input unit of a remote control; an image output unit outputting the acquired image on an output unit of the remote control; a position detection unit recognizing the mobile device from the output image and detecting a position of the mobile device using the remote control; a target position detection unit converting a target position of the mobile device, which is selected by a user on the output unit, into a target position in the real space; and a movement control unit moving the mobile device to the target position in the real space.
摘要:
A method and apparatus estimating a position of a moving robot are provided. The method includes receiving a primary signal and a secondary signal transmitted from a predetermined signal transmitter using a sensor, on a moving robot, that receives the primary signal and three or more sensors that receive the secondary signal; calculating a transmission distance from a sensor that receives the secondary signal using time information extracted from the primary signal; and calculating a position of the signal transmitter from the distance, wherein the secondary signal comprises first and second secondary signals and each sensor that senses the secondary signal determines whether to amplify the second secondary signal based on the result of the measurement of the first secondary signal.
摘要:
An apparatus, method, and medium for dividing regions by using feature points and a mobile robot cleaner using the same are provided. A method includes forming a grid map by using a plurality of grid points that are obtained by detecting distances of a mobile robot from obstacles; extracting feature points from the grid map; extracting candidate pairs of feature points, which are in the range of a region division element, from the feature points; extracting a final pair of feature points, which satisfies the requirements of the region division element, from the candidate pairs of feature points; forming a critical line by connecting the final pair of feature points; and forming a final region in accordance with the size relationship between regions formed of a closed curve which connects the critical line and the grid map.