Handheld controller and method of controlling a controlled object by detecting a movement of a handheld controller

• US 20090153349A1
• Filed: 04/16/2008
• Published: 06/18/2009
• Est. Priority Date: 12/17/2007
• Status: Abandoned Application

• Current Assignee: Omni Motion Technology Corporation
• Original Assignee: Omni Motion Technology Corporation
• Inventors: Lin, Chin-Hung, Chen, Jung-Wei, Pan, Jheng-Hei
• Application Number:
  US12/081,433
• Publication Number:
  US 20090153349A1
• Time in Patent Office: Days
• US Class Current: 340/825
• CPC Class Codes: G05D 1/0016 characterised by the operator's input device input arrangements for computing systems in general G06F3/00
• CPC Class Codes: G06F 3/0346 with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
• CPC Class Codes: G08C 2201/32 Remote control based on movements, attitude of remote control device

Abstract

The present invention discloses a method of controlling a controlled object by detecting a movement of a handheld controller, wherein the handheld controller comprises a central processing unit, a sensor, and a database, wherein the sensor is operated to detect the movement of the handheld controller, and the database is applied to store correction parameters. First, the sensor is applied to detect a movement of the handheld controller, to generate a signal, and to transfer the signal to the central processing unit, wherein the signal contains coordinates of the movement in a first coordinate system. After applying the central processing unit to send a request to the database to inquire a corresponding correction parameter of said signal, the database is applied to send the correction parameter to the central processing unit. Thereafter, the central processing unit is applied to generate a controlling command by multiplying the correction parameter to the signal, wherein the controlling command comprises coordinates in a second coordinate system. After that, the controlling command is transferred to the controlled object to direct the controlled object to move in the second coordinate system in accordance with the controlling command.

Claims

1. A method of controlling a controlled object by detecting a movement of a handheld controller, wherein said handheld controller comprises a central processing unit, a sensor, and a database, wherein said sensor is operated to detect said movement of said handheld controller, and said database is applied to store correction parameters, comprising,

applying said sensor to detect a movement of said handheld controller, to generate a signal, and to transfer said signal to said central processing unit, wherein said signal contains coordinates of said movement in a first coordinate system;

Applying said central processing unit to send a request to said database to inquire a corresponding correction parameter of said signal;

Applying said database to send said correction parameter to said central processing unit;

applying said central processing unit to generate a controlling command by multiplying said correction parameter to said signal, wherein said controlling command comprises coordinates in a second coordinate system; and

transferring said controlling command to said controlled object to direct said controlled object to move in said second coordinate system in accordance with said controlling command.

2. The method of claim 1, wherein said sensor is a gyroscope.

3. The method of claim 2, wherein said first coordinate system is an angular movement in body frame.

4. The method of claim 3, wherein said second coordinate system is a linear movement in object frame.

5. The method of claim 1, wherein said sensor is an accelerometer.

6. The method of claim 5, wherein said first coordinate system is an angular movement in body frame.

7. The method of claim 6, wherein said second coordinate system is a linear movement in object frame.

8. The method of claim 1, wherein said sensor is a gyroscope combining an accelerometer.

9. The method of claim 8, wherein said first coordinate system is a three-dimensional coordinate system, in which two coordinate axes are angular coordinate axes, and one coordinate axis is an angular velocity coordinate axis.

10. The method of claim 8, wherein said second coordinate system is a three-dimensional coordinate system, in which two coordinate axes are displacement coordinate axes, and one coordinate axis is an angular coordinate axis.

11. The method of claim 1, wherein said handheld controller is a three-dimensional mouse, and said controlled object is a cursor on a monitor.

12. The method of claim 1, wherein said handheld controller is a handheld remote controller, and said controlled object is a remote-controlled airplane.

13. The method of claim 1, wherein said handheld controller is a steering wheel, and said controlled object is a controlled vehicle.

14. The method of claim 1, wherein said handheld controller is a clothing structure for a human body, and said controlled object is a controlled robot.

15. The method of claim 1, further comprising a step of starting or stopping the step of applying said sensor to detect a movement of said handheld controller by using an enabling signal or a disabling signal.

16. A handheld controller, comprising:

a central processing unit;

a sensor for detecting a movement of said handheld controller, generating a signal, and sending said signal to said central processing unit;

wherein

said signal contains coordinates of said movement in a first coordinate system;

a database for storing correction parameters;

wherein;

said central processing unit sends a request to said database to inquire a corresponding correction parameter of said signal after receiving said signal;

said database sends said correction parameter to said central processing unit after receiving said request;

said central processing unit generates a controlling command by multiplying said correction parameter to said signal, wherein said controlling command comprises coordinates in a second coordinate system; and

a communication apparatus for transferring said controlling command to a controlled object.

17. The handheld controller of claim 16, wherein said controlled object moves in said second coordinate system in accordance with said controlling command after receiving said controlling command.

18. The handheld controller of claim 17, wherein said sensor is a multi-axis gyroscope.

19. The handheld controller of claim 18, wherein said first coordinate system is an angular velocity coordinate system.

20. The handheld controller of claim 19, wherein said second coordinate system is a displacement coordinate system.

21. The handheld controller of claim 17, wherein said sensor is an accelerometer.

22. The handheld controller of claim 21, wherein said first coordinate system is an angular displacement coordinate system.

23. The handheld controller of claim 22, wherein said second coordinate system is a displacement coordinate system.

24. The handheld controller of claim 17, wherein said sensor is a gyroscope combining an accelerometer.

25. The handheld controller of claim 24, wherein said first coordinate system is a three-dimensional coordinate system, in which two coordinate axes are angular displacement coordinate axes, and one coordinate axis is an angular velocity coordinate axis.

26. The handheld controller of claim 25, wherein said second coordinate system is a three-dimensional coordinate system, in which two coordinate axes are linear displacement coordinate axes, and one coordinate axis is an angular displacement coordinate axis.

27. The handheld controller of claim 17, further comprising a start button and a calibration button, wherein said sensor starts to detect said movement of said handheld controller in said first coordinate system after pressing said start button, and a user'"'"'s wrist or elbow joint works as a fulcrum to move or rotate said handheld controller in any posture, so that said controlled object performs a corresponding two-dimensional or three-dimensional movement.

28. The handheld controller of claim 27, wherein said sensor is enabled or disabled by pressing or releasing said start button.

29. The handheld controller of claim 17, wherein function keys are installed to said handheld controller.

30. The handheld controller of claim 29, wherein said function key is a roller, a press button, or a switch.

31. The handheld controller of claim 16, wherein said first coordinate system is set on a wrist, an elbow, a shoulder, or other position of human being.