# US 6,725,129 B2 · Positioning device and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 6,725,129 B2 - Document ID: US6725129B2 - Status: Granted - Kind: B2 - Application number: 10/234,111 - Filed: 2002-09-05 - Published: 2003-05-22 - Granted: 2004-04-20 - Earliest claimed: 2001-09-06 - Assignees: Sony Corporation - Inventors: Takashi Kito - Web page: https://patentgrep.com/patent/US6725129B2 ## CPC - G05B 19/416: characterised by control of velocity, acceleration or deceleration (G05B19/19 takes precedence) - G05B 2219/39199: Active vibration absorber - G05B 2219/41117: Cancel vibration during positioning of slide - G05B 2219/42077: Position, speed or current, combined with vibration feedback - Y10T 74/20354: Planar surface with orthogonal movement only - G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A positioning device and method can position a subject of positioning at a higher speed than conventional ones. A positioning device and method for moving a subject of positioning to a desired position, moves the subject of positioning at a desired speed and acceleration, and adjusts the acceleration/deceleration duration of the subject of positioning and the timing of starting the deceleration so as to cancel the residual vibration, in accordance with the vibration period of the residual vibration that occurs immediately after positioning the subject of positioning. ## Claims ### Claim 1 A positioning device for moving a subject of positioning to a desired position, comprising: drive means for driving to move said subject of positioning; and control means for controlling said drive means to move said subject of positioning at a desired speed and acceleration, wherein said control means controls said drive means to adjust the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration so as to cancel residual vibration, in accordance with the vibration period of said residual vibration that occurs immediately after positioning said subject of positioning, wherein said control means, a half period of said residual vibration after a force which causes the residual vibration is applied, applies vibration with the same force in the same direction to adjust the acceleration/deceleration duration of said subject of positioning to the duration that is a positive integer multiple of one period of said residual vibration, and also an integer multiple of one period of said residual vibration after a force which causes the residual vibration is applied, applies vibration with the same force in the opposite direction to adjust the timing of starting the deceleration for said subject of positioning to an integer multiple of one period of said residual vibration after the acceleration start time. ### Claim 2 (depends on 1) The positioning device according to claim 1, wherein said control means classifies the maximum speed determined according to the specifications of said drive means into one of plural levels and adjusts the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration in accordance with the vibration period of said residual vibration for each level. ### Claim 3 (depends on 1) The positioning device according to claim 1, wherein said control means has a jerk filter and adjusts the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration and then performs filtering on the adjusted result through said jerk filter. ### Claim 4 A positioning method for moving a subject of positioning to a desired position, comprising: the first step of moving said subject of positioning at a desired speed and acceleration; and the second step of adjusting the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration so as to cancel residual vibration, in accordance with the vibration period of said residual vibration that occurs immediately after positioning said subject of positioning, wherein said second step, a half period of said residual vibration after a force which causes said residual vibration is applied, applies vibration with the same force in the same direction to adjust the acceleration/deceleration duration of said subject of positioning to the duration that is a positive integer multiple of one period of said residual vibration, and also a positive integer multiple of one period of said residual vibration after a force which causes said residual vibration is applied, applies vibration with the same force in the opposite direction to adjust the timing of starting the deceleration for said subject of positioning to a positive integer multiple of one period of said residual vibration after the acceleration start time. ### Claim 5 (depends on 4) The positioning method according to claim 4, wherein said second step classifies the maximum speed determined according to the specifications of a drive system for moving said subject of positioning into one of plural levels and adjusts the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration in accordance with the vibration period of said residual vibration for each level. ### Claim 6 (depends on 4) The positioning method according to claim 4, comprising the third step of, after the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration are adjusted at said second step, performing filtering on the adjusted result through a jerk filter. ### Claim 7 A positioning device for moving a subject of positioning to a desired position, comprising: drive means for driving to move said subject of positioning; and control means for controlling said drive means to move said subject of positioning at a desired speed and acceleration, wherein said control means controls said drive means to adjust the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration so as to cancel residual vibration, in accordance with the vibration period of said residual vibration that occurs immediately after positioning said subject of positioning, wherein said control means classifies the maximum speed determined according to the specifications of said drive means into one of plural levels and adjusts the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration in accordance with the vibration period of said residual vibration for each level. ### Claim 8 (depends on 7) The positioning device according to claim 7, wherein said control means, a half period of said residual vibration after a force which causes the residual vibration is applied, applies vibration with the same force in the same direction to adjust the acceleration/deceleration duration of said subject of positioning to the duration that is a positive integer multiple of one period of said residual vibration, and also an integer multiple of one period of said residual vibration after a force which causes the residual vibration is applied, applies vibration with the same force in the opposite direction to adjust the timing of starting the deceleration for said subject of positioning to an integer multiple of one period of said residual vibration after the acceleration start time. ### Claim 9 (depends on 7) The positioning device according to claim 7, wherein said control means has a jerk filter and adjusts the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration and then performs filtering on the adjusted result through said jerk filter. ### Claim 10 A positioning method for moving a subject of positioning to a desired position, comprising: the first step of moving said subject of positioning at a desired speed and acceleration; and the second step of adjusting the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration so as to cancel residual vibration, in accordance with the vibration period of said residual vibration that occurs immediately after positioning said subject of positioning, wherein said second step classifies the maximum speed determined according to the specifications of a drive system for moving said subject of positioning into one of plural levels and adjusts the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration in accordance with the vibration period of said residual vibration for each level. ### Claim 11 (depends on 10) The positioning method according to claim 10, wherein said second step, a half period of said residual vibration after a force which causes said residual vibration is applied, applies vibration with the same force in the same direction to adjust the acceleration/deceleration duration of said subject of positioning to the duration that is a positive integer multiple of one period of said residual vibration, and also a positive integer multiple of one period of said residual vibration after a force which causes said residual vibration is applied, applies vibration with the same force in the opposite direction to adjust the timing of starting the deceleration for said subject of positioning to a positive integer multiple of one period of said residual vibration after the acceleration start time. ### Claim 12 (depends on 10) The positioning method according to claim 10, comprising the third step of, after the acceleration/deceleration duration of said subject of positioning and the timing of starting the deceleration are adjusted at said second step, performing filtering on the adjusted result through a jerk filter.