Tracking control device of antenna loaded on movable body and tracking control method of the antenna

A tracking control device for an antenna disposed on a movable body so as to track a wave generating source, said tracking control device comprising:

• a speed detection means for detecting an advancing speed of said movable body;
• a steering angle detection means for detecting a steering angle of said movable body;
• an estimated azimuth angle calculation means for calculating an estimated azimuth angle of said movable body by calculating azimuth angle speed of said movable body based on said advancing speed detected by said speed detection means and said steering angle detected by said steering angle detection means and by integrating said azimuth angle speed;
• an azimuth angle detection means for detecting an azimuth angle of said movable body;
• an error calculation means for outputting a difference between said estimated azimuth angle calculated by said estimated azimuth angle calculation means and said azimuth angle detected by said azimuth angle detection means as an error;
• a directing angle error detection means for detecting an antenna directing angle error;
• and
• a correction means for correcting said antenna directing angle error, based on said error calculated by said error calculation means.

A tracking control method for an antenna disposed on a movable body so as to track a wave generating source, comprising:

• (a) detecting a speed and a steering angle of said movable body;
• (b) estimating an azimuth angle of said movable body, based on the detected speed and steering angle;
• (c) detecting an azimuth angle of said movable body;
• (d) calculating an error between the estimated azimuth angle and the detected azimuth angle;
• (e) detecting an antenna directing angle error;
• and
• (f) correcting the detected antenna directing angle error, based on said error between said estimated azimuth angle and said detected azimuth angle.

A tracking control device for an antenna disposed on a movable body so as to track a wave generating source, said tracking control device comprising:

• a speed detector to detect a speed of a movable body;
• a steering angle detector to detect a steering angle of said movable body;
• an azimuth angle estimator to calculate an estimated azimuth angle of said movable body, based on the speed detected by said speed detector and the steering angle detected by said steering angle detector;
• an azimuth angle detector to detect an azimuth angle of said movable body;
• an azimuth angle error estimator to calculate an error between said estimated azimuth angle calculated by said azimuth angle estimator and said azimuth angle detected by said azimuth angle detector;
• an antenna directing angle error detector to detect an antenna directing angle error;
• and
• an antenna directing angle error corrector to correct said antenna directing angle error, based on said error calculated by said azimuth angle error estimator.

A tracking control device for an antenna disposed on a movable body so as to track a wave generating source, said tracking control device comprising:

• a speed detector to detect an advancing speed of said movable body;
• a steering angle detector to detect a steering angle of said movable body;
• an azimuth angle estimator to calculate an estimated azimuth angle of said movable body by calculating azimuth angle speed of said movable body based on said speed detected by said speed detector and said steering angle detected by said steering angle detector and by integrating said azimuth angle speed;
• an azimuth angle detector to detect an azimuth angle of said movable body;
• an azimuth angle error estimator to output a difference between said estimated azimuth angle calculated by said azimuth angle estimator and said azimuth angle detected by said azimuth angle detector as an error;
• an antenna directing angle error detector to detect an antenna directing angle error;
• and
• an antenna directing angle error corrector to correct said antenna directing angle error, based on said error calculated by said azimuth angle error estimator.