JP2006129553A5

JP2006129553A5 -

Info

Publication number: JP2006129553A5
Application number: JP2004311078A
Authority: JP
Filing date: 2004-10-26
Publication date: 2007-12-06
Anticipated expiration: 2024-10-26

Claims

And a moving body in contact with the vibrator and the vibrator having a piezoelectric element, the vibration type driving apparatus for driving a moving body by vibration generated in the vibrating body by supplying an AC voltage to said piezoelectric element In
By the vibrator that AC voltage is supplied, the vibration member, the first and elliptical vibration composed of a plurality of different vibration, different different second ellipse to the elliptical vibration of the first made from the vibration vibration type driving apparatus characterized by a vibration, the vibration of a synthetic are formed.

2. The vibration type driving device according to claim 1, wherein an elliptical vibration is formed in the vibrating body by combining the first elliptical vibration and the second elliptical vibration .

Wherein the first synthesis of elliptical vibration and the second elliptical vibration, the vibration type driving apparatus according to claim 1 or claim 2, wherein the traveling vibration wave is formed on the vibrator.

Wherein the first at least one of the elliptical vibration and the second elliptical vibration, the vibration type driving according to any one of claims 1 to 3, characterized in that the amplitude in the direction of pressure to the movable body apparatus.

5. The vibration type drive according to claim 1, wherein a speed of the moving body is changed by changing a phase of the first elliptical vibration and the second elliptical vibration. 6. apparatus.

The vibration according to any one of claims 1 to 5, wherein a direction of driving of the moving body is changed by changing a phase of the first elliptical vibration and the second elliptical vibration. Mold drive.

Wherein the first elliptical vibration comprises an amplitude of the pressure direction of the moving body and the vibrating body, said second elliptical vibration comprises an amplitude in the direction of driving of the movable body, the second amplitude of the elliptic vibration The vibration type driving apparatus according to claim 1, wherein the speed of the moving body is changed by changing the amount of the moving body.

Wherein a first elliptical vibration and the second one-plane vibration definitive to the vibration of the elliptical vibration, either one of claims 1 to 7, characterized in that the other is a plane vibration The vibration type driving device described in 1.

Wherein the piezoelectric element has a plurality of electrodes are formed, at least a portion of said plurality of electrodes, an AC to form an AC voltage and the second elliptical vibration for forming the first elliptical vibration 9. The vibration type driving apparatus according to claim 1, wherein the vibration type driving apparatus is an electrode to which a voltage is supplied.

And a moving body in contact with the vibrator and the vibrator having a piezoelectric element, the vibration type driving apparatus for driving a moving body by vibration generated in the vibrating body by supplying an AC voltage to said piezoelectric element in the vibrating body by the alternating voltage supplied to the vibrating body, a first traveling vibration wave comprising a plurality of different vibration, a plurality of different traveling vibration wave in said first consists vibration A vibration type driving device characterized in that a traveling vibration wave composed of a combination of different second traveling vibration waves is formed.

Wherein the first at least one and traveling vibration wave of said second traveling vibration wave of the vibration type driving apparatus according to claim 10, characterized in that the amplitude in the direction of pressure to the movable body.

The vibration type drive according to claim 10 or 11, wherein a speed of the moving body is changed by changing a phase of the first progressive vibration wave and the second progressive vibration wave. apparatus.

By changing the first traveling vibration wave and the second traveling vibration wave in phase, any of claims 10 to 12, characterized in that changing the direction of the drive of the movable body The vibration type driving device described in 1.

Wherein the vibration of the pressing direction of the first traveling vibration wave is the vibrating body and the moving body, the second traveling vibration wave includes a vibration direction of the driving of the movable body, the second The vibration type driving device according to any one of claims 10 to 13, wherein a speed of the moving body is changed by changing a vibration amplitude of a progressive vibration wave.

Said one of said second traveling vibration wave and the first traveling vibration wave is the plane vibration definitive in the vibrator, claims 10 to, wherein the other is a plane vibration 14. The vibration type driving device according to any one of the above.

And a moving body in contact with the vibrator and the vibrator having a piezoelectric element, the vibration type driving apparatus for driving a moving body by vibration generated in the vibrating body by supplying an AC voltage to said piezoelectric element in the control device, on the vibrator, different first and elliptical vibration composed of a plurality of vibration differs a plurality of vibration of different second elliptical vibration to the elliptical vibration of the first, the vibration of a synthetic A control device for a vibration type driving device, characterized by comprising supply means for supplying an alternating voltage to be formed to the piezoelectric element .

The said supply means supplies the alternating voltage which forms an elliptical vibration in the said vibrating body to the said piezoelectric element by the synthesis | combination of the said 1st elliptical vibration and the said 2nd elliptical vibration. Control device for vibration type drive device.

Claim wherein the supplying means, by the synthesis of the second elliptical vibration to the first elliptical vibration, an alternating voltage to form a traveling vibration wave in said vibration member, and supplying to the piezoelectric element 17. The control device for the vibration type driving device according to 17.

By changing the phase difference of the second elliptical vibration to the first elliptical vibration by controlling said supply means, to a drive control device for controlling at least one of speed and the driving direction of the movable body The control device of the vibration type driving device according to any one of claims 16 to 18.

Wherein the first elliptical vibration includes vibration of the pressure direction of the moving body and the vibrating body, said second elliptical vibration includes vibration direction of the driving of the movable body, wherein by controlling said supply means 19. The vibration type driving device according to claim 16, further comprising a drive control device that controls a speed of the moving body by changing an amount of amplitude of the second elliptical vibration. Control device.

Wherein the first elliptical vibration includes vibration of the pressure direction of the moving body and the vibrating body, said second elliptical vibration comprises an amplitude in the direction of driving of the movable body, the drive control device, the supply to supply an alternating voltage to form an elliptical vibration of the first to the means, then, characterized in that to supply an alternating voltage to form an elliptical vibration of the first elliptical vibration and the second to claim 19, wherein Item 20. The control device for the vibration type driving device according to Item 20.

Wherein the first elliptical vibration comprises an amplitude of the pressure direction of the moving body and the vibrating body, said second elliptical vibration comprises an amplitude in the direction of driving of the movable body, the drive control device, the supply an AC voltage of forming an elliptical vibration of the first elliptical vibration and the second from a state in which is supplied to the means to stop the supply of the AC voltage which forms the elliptical vibration of the second, first thereafter 21. The control device for the vibration type driving device according to claim 19 or 20, wherein the supply of the alternating voltage that forms the elliptical vibration of the motor is stopped.

And a moving body in contact with the vibrator and the vibrator having a piezoelectric element, the vibration type driving apparatus for driving a moving body by vibration generated in the vibrating body by supplying an AC voltage to said piezoelectric element of the control device, on the vibrator, different to the first traveling vibration wave consisting of vibration, different a plurality of vibration of the second traveling vibration wave is different from the traveling vibration wave in said first A control device for a vibration-type drive device, comprising: a supply means for supplying an alternating voltage that forms a vibration composed of a composition to the piezoelectric element .

And a moving body in contact with the vibrator and the vibrator having a piezoelectric element, the vibration type driving apparatus for driving a moving body by vibration generated in the vibrating body by supplying an AC voltage to said piezoelectric element the control method of, supplying an AC voltage to the vibrating body, the vibrating body to generate a first elliptical vibration composed of a plurality of different vibration and supplies an AC voltage to the vibrating body, the vibrating body, different to generate a different second elliptical vibration to the plurality of elliptical vibration of the first consists vibration, and forming a vibration of a synthetic of the second elliptical vibration to the first elliptical vibration Control method of vibration type driving device.

25. The vibration type drive according to claim 24, wherein at least one of a speed and a driving direction of the movable body is controlled by changing a phase difference between the first elliptical vibration and the second elliptical vibration. Control method of the device.

Wherein the first elliptical vibration comprises an amplitude of the pressure direction of the moving body and the vibrating body, said second elliptical vibration comprises an amplitude in the direction of driving of the movable body, the second amplitude of the elliptic vibration The method of controlling a vibration type driving device according to claim 24, wherein the speed of the moving body is controlled by changing the amount of the moving body.

And a moving body in contact with the vibrator and the vibrator having a piezoelectric element, the vibration type driving apparatus for driving a moving body by vibration generated in the vibrating body by supplying an AC voltage to said piezoelectric element In the control method of
It said supplying an AC voltage to the vibrating body, the vibrating body to generate a first traveling vibration wave comprising a plurality of different vibration and supplies an AC voltage to the vibrating body, the vibrating body, a plurality of different A second traveling vibration wave made of vibration and different from the first traveling vibration wave is generated to form a vibration composed of a combination of the first traveling vibration wave and the second traveling vibration wave. A control method for a vibration type driving apparatus.

And a moving body in contact with the vibrator and the vibrator having a piezoelectric element, the vibration type driving apparatus for driving a moving body by vibration generated in the vibrating body by supplying an AC voltage to said piezoelectric element the drive control method applied to, in a program to be executed by a computer, to supply an AC voltage to the vibrating body, the vibrating body to generate a first elliptical vibration composed of a plurality of different vibration, different characterized by a step of forming a different second elliptical vibration to generate vibration of a synthetic of the second elliptical vibration to the first elliptical vibration from the elliptical vibration of the first made from the vibration Program.

And a moving body in contact with the vibrator and the vibrator having a piezoelectric element, the vibration type driving apparatus for driving a moving body by vibration generated in the vibrating body by supplying an AC voltage to said piezoelectric element the control method of the supplying AC voltage to the vibrating body, the vibrating body to generate a first traveling vibration wave comprising a plurality of different vibration, a plurality of different elliptical vibration of the first made from the vibration Generating a different second progressive vibration wave and forming a vibration composed of a combination of the first progressive vibration wave and the second progressive vibration wave.