Robot, control unit, and control method

1. A robot comprising:

an arm; and

a controller that operates the arm,

wherein the controller generates a pathway according to:

a relative position and a relative orientation between a first object and a second object; and

a first position of the first object, the first object being moved together with the arm,

wherein the controller generates the pathway by use of a first object movable range according to the relative position and the relative orientation, and

wherein according to the first object movable range, the controller calculates a value which represents a degree of difficulty in movement of the first object or a degree of ease in movement of the first object depending on the relative position and the relative orientation, and the controller generates the pathway by use of the value which represents the degree.

2. The robot according to claim 1 , wherein

the controller generates the pathway by use of the first position and a second position of the first object.

3. The robot according to claim 2 , wherein

the controller further generates the pathway by use of a first orientation corresponding to the first position and a second orientation corresponding to the second position.

4. The robot according to claim 1 , wherein

according to the relative position, the relative orientation, and the first position, the controller determines a moving speed of the arm.

5. The robot according to claim 4 , wherein

the controller determines the moving speed of the arm by use of the first object movable range.

6. The robot according to claim 5 , wherein

the controller calculates a value which represents a degree of difficulty in moving the first object or a degree of ease in moving the first object depending on the relative position and the relative orientation, and the controller determines the moving speed of the arm by use of the value.

7. The robot according to claim 5 , wherein

the controller determines the moving speed of the arm by use of a third position of the first object and a fourth position of the first object.

8. The robot according to claim 7 , wherein

the controller further determines the moving speed of the arm by use of a third orientation corresponding to the third position and a fourth orientation corresponding to the fourth position.

9. A control unit generating a pathway according to a relative position and a relative orientation between a first object and a second object, and according to a first position of the first object,

wherein the first object is moved together with an arm provided to a robot,

wherein the control unit generates the pathway by use of a first object movable range according to the relative position and the relative orientation, and

wherein according to the first object movable range, the control unit calculates a value which represents a degree of difficulty in movement of the first object or a degree of ease in movement of the first object depending on the relative position and the relative orientation, and the control unit generates the pathway by use of the value which represents the degree.

10. A control method comprising:

generating a pathway according to:

a relative position and a relative orientation between a first object and a second object; and

a first position of the first object, the first object being moved together with an arm provided by a robot;

generating the pathway by use of a first object movable range according to the relative position and the relative orientation, and

according to the first object movable range, calculating a value which represents a degree of difficulty in movement of the first object or a degree of ease in movement of the first object depending on the relative position and the relative orientation, and generating the pathway by use of the value which represents the degree.