Patent EP0308727A2 successfully refreshed from Google Patents.
EP0308727A2
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Elimination work simulator apparatus
Assignee: Hitachi Ltd
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Filing: 1988-09-07
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Granted: —
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Expires: 2008-09-07
Abstract
Abstract An elimination work simulator has not only a difference operation processor (122) to attain a difference between work object space data and work space data but also a product operation processor (121) to execute a product operation therebetween. Elimination work space data outputted from the product operation processor is sequentially stored; whereas, at least the latent data of the work object space data outputted from the difference operation processor is stored so as to minimize the amount of data to be preserved. When displaying the work object space data, an animation display thereof can be conducted in the same or opposite direction of the order of the work operations by appropriately using the two kinds of data.
Inventors
- 👤 Kumiko Ito
- 👤 Yasumasa Kawashima
- 👤 Shiro Nonaka
- 👤 Tomotoshi Ishida
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 20:38
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/406; G05B19/4069; G05B2219/00; G05B2219/30; G05B2219/36; G05B2219/36073; Y; Y10; Y10S; Y10S345/00; Y10S345/949; Y10S345/952
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
144 words
An elimination work simulator in which a work is achieved through m opertion units comprising: a first set operation processor (122) for attaining a difference space between n-dimensional n > 2, integer) work object space data corresponding to a work object in a predetermined work operation unit j (j=1, 2, ..., m) and an n-dimensional work space data T j corresponding to a space through which a machining device passes in the work operation unit j; first store means (132) at least for storing therein the difference space as new work object space data W j ; a second set operation processor (121) for attaining a product space between the work object space data W j-1 and the work space data T j ; and second store means (131) for sequentially storing therein the product space as elimination work space data C j .
Claim 2
Dependent Claim
144 words
An elimination work simulator in which a work is achieved through m opertion units comprising: a first set operation processor (122) for attaining a difference space between n-dimensional n > 2, integer) work object space data corresponding to a work object in a predetermined work operation unit j (j=1, 2, ..., m) and an n-dimensional work space data T j corresponding to a space through which a machining device passes in the work operation unit j; first store means (132) at least for storing therein the difference space as new work object space data W j ; a second set operation processor (121) for attaining a product space between the work object space data W j-1 and the work space data T j ; and second store means (131) for sequentially storing therein the product space as elimination work space data C j .
Claim 3
Dependent Claim
23 words
An elimination work simulator according to Claim 1 wherein the work object space data W j is used to update W j-1 .
Claim 4
Dependent Claim
32 words
An elimination work simulator according to Claim 1 wherein the work object space data W j is stored in association with a plurality of work operation units (C l -C m ).
Claim 5
Dependent Claim
212 words
An elimination work simulator in which a work is achieved through m operation units comprising: a first set operation processor (122) for attaining a difference space between n-dimensional (n > 2, integer) work object space data corresponding to a work object in a predetermined work operation unit j (j = 1, 2, ..., m) and an n-dimensional work space data T j corresponding to a space through which a machining device passes in the work operation unit j; first store means (132) at least for storing therein the difference space as new work object space data W j ; a second set operation processor (121) for attaining a product space between the work object space data W j-1 and the work space data T j ; second store means (131) for sequentially storing therein the product space as elimination work space data C j ; and a graphic display processor (14) for displaying work object space data W k-1 in an arbitrary work operation unit k (k ≦ j) by use of the new work object space data W j stored in said first store means and at least a portion of a group of the elimination work space data C i (i ≦ j) beforehand stored in said second store means.
Claim 6
Dependent Claim
212 words
An elimination work simulator in which a work is achieved through m operation units comprising: a first set operation processor (122) for attaining a difference space between n-dimensional (n > 2, integer) work object space data corresponding to a work object in a predetermined work operation unit j (j = 1, 2, ..., m) and an n-dimensional work space data T j corresponding to a space through which a machining device passes in the work operation unit j; first store means (132) at least for storing therein the difference space as new work object space data W j ; a second set operation processor (121) for attaining a product space between the work object space data W j-1 and the work space data T j ; second store means (131) for sequentially storing therein the product space as elimination work space data C j ; and a graphic display processor (14) for displaying work object space data W k-1 in an arbitrary work operation unit k (k ≦ j) by use of the new work object space data W j stored in said first store means and at least a portion of a group of the elimination work space data C i (i ≦ j) beforehand stored in said second store means.
Claim 7
Dependent Claim
25 words
An elimination work simulator according to Claim 4 wherein said set operation processors, said store means, and said graphic display processor are respectively octtree apparatuses.
Claim 8
Dependent Claim
23 words
An elimination work simulator according to Claim 4 wherein the work space data is represented by use of a boundary representation solid model.
Claim 9
Dependent Claim
28 words
An elimination work simulator according to Claim 4 wherein an animation display of the work object space data W j is effected in an order of work operations.
Claim 10
Dependent Claim
32 words
An elimination work simulator according to Claim 4 wherein an animation display of the work object space data W j is effected in a reversed direction of the order of work operations.
References Cited (Backward Citations)
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