JPS6429908A - Method for controlling circular arc locus of multi spindle feed driving mechanism - Google Patents
Method for controlling circular arc locus of multi spindle feed driving mechanismInfo
- Publication number
- JPS6429908A JPS6429908A JP18549687A JP18549687A JPS6429908A JP S6429908 A JPS6429908 A JP S6429908A JP 18549687 A JP18549687 A JP 18549687A JP 18549687 A JP18549687 A JP 18549687A JP S6429908 A JPS6429908 A JP S6429908A
- Authority
- JP
- Japan
- Prior art keywords
- circular arc
- central angle
- targeted
- locus
- estimated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Numerical Control (AREA)
Abstract
PURPOSE:To improve the accuracy of locus by correcting the position targeted value of each spindle based on the prediction value of the central angle of the circular arc and that of the square of the deviation of the central angle of the circular arc to obtain the same result as the negation of disturbance added in the radius direction of a circular arc. CONSTITUTION:The central angle theta0 of a targeted circular arc and the radius r0 of a targeted circular arc locus 5 are calculated from the position targeted value supplied to each spindle, and the central angle theta of the circular arc and the deviation DELTAtheta of the central angle of the circular arc at a circular arc locus 6 are estimated from the control characteristic of the central angle of the targeted circular arc and a calculated central angle theta of the targeted circular arc. And a vector proportional to the product of the square of the deviation DELTAtheta of the central angle of the circular arc whose size is estimated and the radius r0 of the targeted circular arc locus 5 in a direction advancing to the central angle theta of the circular arc estimated from the rotational center of the circular arc locus 6, and each axial component of the vector is added on the position targeted value of each shaft as a correction quantity. In such a way, it is possible to reduce the locus error of the circular arc locus by eliminating the influence of the disturbance without changing a position control system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18549687A JPH07111645B2 (en) | 1987-07-27 | 1987-07-27 | Arc trajectory control method for multi-axis feed drive mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18549687A JPH07111645B2 (en) | 1987-07-27 | 1987-07-27 | Arc trajectory control method for multi-axis feed drive mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6429908A true JPS6429908A (en) | 1989-01-31 |
JPH07111645B2 JPH07111645B2 (en) | 1995-11-29 |
Family
ID=16171785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18549687A Expired - Lifetime JPH07111645B2 (en) | 1987-07-27 | 1987-07-27 | Arc trajectory control method for multi-axis feed drive mechanism |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07111645B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4987214B2 (en) * | 2001-04-27 | 2012-07-25 | シチズンホールディングス株式会社 | Automatic lathe and its control method and control device |
CN114406453A (en) * | 2021-12-28 | 2022-04-29 | 大族激光科技产业集团股份有限公司 | Machining track adjusting method and device, terminal device and storage medium |
-
1987
- 1987-07-27 JP JP18549687A patent/JPH07111645B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4987214B2 (en) * | 2001-04-27 | 2012-07-25 | シチズンホールディングス株式会社 | Automatic lathe and its control method and control device |
CN114406453A (en) * | 2021-12-28 | 2022-04-29 | 大族激光科技产业集团股份有限公司 | Machining track adjusting method and device, terminal device and storage medium |
CN114406453B (en) * | 2021-12-28 | 2023-11-24 | 大族激光科技产业集团股份有限公司 | Processing track adjusting method and device, terminal equipment and storage medium |
Also Published As
Publication number | Publication date |
---|---|
JPH07111645B2 (en) | 1995-11-29 |
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