Wheeled electronic device and method for controlling the same

Abstract

An electronic device with a plurality of wheels is provided. The electronic device comprises a wheel driver, sensing menas, a rotation information obtaining module, and a controlling module. The wheel driver is used for rotating the plurality of wheels. The sensing means is used for detecting rotations of the plurality of wheels. The rotation information obtaining module is used for obtaining rotation information of the plurality of wheels according to signals from the sensing means. The controlling module is used for controlling the wheel driver to rotate the plurality of wheels according to the rotation information of the plurality of wheels.

1 . An electronic device having a plurality of wheels, comprising:
 a wheel driver for rotating the plurality of wheels;   sensing means for detecting rotations of the plurality of wheels;   a rotation information obtaining module, wherein when being enabled, the rotation information obtaining module is configured for obtaining rotation information of the plurality of wheels according to signals from the sensing means during the time the electronic device moves along a predetermined path; and   a controlling module, wherein after the electronic device finishes moving along the predetermined path, the controlling module is configured for controlling the wheel driver to rotate the plurality of wheels according to the rotation information of the plurality of wheels.   
   
   
       2 . The electronic device according to  claim 1 , wherein the electronic device is a toy vehicle, and the plurality of wheels comprise two wheels. 
   
   
       3 . The electronic device according to  claim 1 , wherein the wheel driver comprises a plurality of motors, each of which is used for rotating one of the plurality of wheels. 
   
   
       4 . The electronic device according to  claim 3 , wherein the wheel driver comprises a plurality of motor drivers, each of which is used for driving one of the plurality of motors to rotate. 
   
   
       5 . The electronic device according to  claim 1 , further comprising a first switch module for enabling and disabling the rotation information obtaining module, and a second switch means for enabling and disabling the controlling module. 
   
   
       6 . The electronic device according to  claim 5 , wherein the sensing means comprises sensors for detecting rotation speeds and rotation directions of the plurality of wheels. 
   
   
       7 . The electronic device according to  claim 6 , wherein the rotation information obtaining module comprises a processing unit and a storage unit; when the rotation information obtaining module is enabled, the processing unit is configured for receiving signals containing information indicating the rotation speeds and rotation directions of the plurality of wheels from the sensing means in a predetermined sequence, and storing the information in the storage unit. 
   
   
       8 . The electronic device according to  claim 7 , wherein when being enabled, the controlling module is configured for obtaining the information from the storage unit, and controlling the wheel driver to rotate the plurality of wheels. 
   
   
       9 . The electronic device according to  claim 8 , wherein the controlling module obtains the information in the predetermined sequence. 
   
   
       10 . The electronic device according to  claim 8 , wherein the controlling module obtains the information in a First In First Out manner. 
   
   
       11 . A method for controlling an electronic device with a plurality of wheels, comprising:
 moving the electronic device;   detecting rotations of the plurality of wheels;   obtaining and storing rotation information of the plurality of wheels;   driving the plurality of wheels to rotate according to the stored rotation information after the electronic device finishing the moving.   
   
   
       12 . The method according to  claim 11 , wherein the rotation information comprises rotation speed and rotation direction of the plurality of wheels. 
   
   
       13 . The method according to  claim 11 , wherein the electronic device is a toy vehicle.