1. A process for fabricating an integrated panel structure having mutually intersecting first and second stiffeners comprising:
(a) forming a panel preform assembly by (i) positioning first and second tubular stiffeners onto an uncured base skin so that the stiffeners intersect at respective intersecting regions, and (ii) applying first and second uncured fiber-reinforced resin-composite overlapping layers onto the first and second stiffeners so that at least lateral regions thereof are laminated to a corresponding region of the base skin; and
(b) curing the fiber-reinforced resin-composite base skin and overlapping layers to thereby form an integrated composite panel structure with mutually intersecting first and second stiffeners.
2. The process of claim 1, wherein the first and second overlapping layers comprise continuous plies which overlap exterior surfaces of the first and second stiffeners, respectively, and regions of the base skin between the first and second stiffeners.
3. The process of claim 2, wherein the first and second overlapping layers are cross-plied with respect to one another in the regions of the base skin defined between the first and second stiffeners.
4. The process of claim 1, wherein the first and second overlapping layers comprise first and second overlapping straps having a sufficient widthwise dimension so as to be laminated with respect to a corresponding region of the base skin laterally of the first and second stiffeners, respectively.
5. The process as in claim 1, wherein step (a) comprises laying up uncured fiber-reinforced resin-composite pad strips on the base sheet, and positioning the first and second stiffeners on the pad strips.
6. The process as in claim 1, wherein step (a) comprises laminating a plurality of fiber-reinforced resin-composite sheets onto a surface of a forming tool to form the base skin.
7. The process as in claim 1, wherein step (a) comprising introducing an uncured filler material in spaces between the first and second overlapping layers and the first and second stiffeners.
8. The process as in claim 1, wherein the first and second stiffeners are tubular pre-cured composite or tubular metal stiffeners.
9. The process as in claim 8, wherein the first and second stiffeners have a trapezoidal cross-section.
10. The process as in claim 1, wherein the first stiffeners have a height that is less than a height of the second stiffeners.
11. The process as in claim 1, wherein the second stiffeners have openings at the intersection regions which are sized and configure to accept the first stiffeners therein.
12. A panel preform assembly comprising:
an uncured fiber-reinforced resin-composite base skin;
first and second mutually intersecting elongate tubular stiffeners positioned on the base skin; and
uncured first and second fiber-reinforced resin-composite overlapping layers positioned over the first and second stiffeners so that at least lateral regions thereof are laminated to a corresponding region of the base skin.
13. The panel preform of claim 12, wherein the first and second stiffeners intersect substantially orthogonally with one another.
14. The panel preform of claim 12, further comprising uncured fiber-reinforced resin-composite pad strips on the base skin, wherein the first and second stiffeners are positioned on the pad strips.
15. The panel preform of claim 12, further comprising uncured resin filler material in spaces between the first and second stiffeners and the uncured first and second overlapping layers, respectively.
16. The panel preform of claim 12, further comprising a bonding film layer on an exterior surface of at least some of the first and second stiffeners.
17. An integrated panel structure comprising:
a cured fiber-reinforced resin-composite base skin;
first and second stiffeners mutually intersecting one another at intersection regions positioned on the base skin; and
first and second cured fiber-reinforced resin-composite overlapping layers positioned over the first and second stiffeners, respectively, so that at least lateral regions thereof are laminated to a corresponding region of the base skin thereby forming an integrated composite panel structure with mutually intersecting first and second stiffeners.
18. The integrated panel structure of claim 17, wherein the first and second overlapping layers comprise continuous plies which overlap exterior surfaces of the first and second stiffeners, respectively, and regions of the base skin between the first and second stiffeners.
19. The integrated panel structure of claim 18, wherein the first and second overlapping layers are cross-plied with respect to one another in the regions of the base skin defined between the first and second stiffeners.
20. The integrated panel structure of claim 17, wherein the first and second overlapping layers comprise first and second overlapping straps having a sufficient widthwise dimension so as to be laminated with respect to a corresponding region of the base skin laterally of the first and second stiffeners, respectively.
21. The integrated panel structure of claim 17, further comprising fiber-reinforced resin-composite pad strips on the base sheet, wherein the first and second stiffeners are positioned on the pad strips.
22. The integrated panel structure of claim 17, further comprising a filler material in spaces between the first and second overlapping layers and the first and second stiffeners.
23. The integrated panel structure of claim 17, wherein the first and second stiffeners are tubular pre-cured composite or tubular metal stiffeners.
24. The integrated panel structure of claim 23, wherein the first and second stiffeners have a trapezoidal cross-section.
25. The integrated panel structure of claim 17, wherein the first stiffeners have a height that is less than a height of the second stiffeners.
26. The integrated panel structure of claim 17, wherein the second stiffeners have openings at the intersection regions which are sized and configured to accept the first stiffeners therein.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for extracting entity data from electronic documents, the method comprising:
executing one or more extractors to extract entity data within an electronic document based upon an extraction model for the document;
selecting extracted entity data via one or more experts, each of the experts applying at least one business rule to organize at least a portion of the selected entity data into a desired format; and
providing the organized entity data for use by an end user.
2. The method according to claim 1, wherein the organized entity data are arranged into an extensible markup language file.
3. The method according to claim 2, further comprising normalizing an entity by applying a normalization scheme to the entity.
4. The method according to claim 1, further comprising generating a user interface that includes the organized entity data and a view of the electronic document that includes an annotation for each of the extracted entities.
5. The method according to claim 1, wherein a layout for the electronic document defines a target section and one or more target entity data included in the target section that are to be extracted by the one or more extractors.
6. The method according to claim 1, wherein the at least one business rule comprises a set of slots, wherein each slot comprises a property that defines a condition for filling the slot via an expert.
7. The method according to claim 6, further comprising filling a slot with an extracted entity data when the extracted entity data matches the property for the slot.
8. The method according to claim 7, further comprising validating the slot when the slots of the set are filled with extracted entity data.
9. The method according to claim 1, further comprising preventing extraction of entity data from a section of the electronic document having distorted content by:
generating a first-order hidden markov model for each section of the document, based upon a layout of the document;
applying the first-order hidden markov model to a section of the electronic document that includes distorted text to determine the most likely hidden states for the section;
aligning the section with characters extracted from the section of the electronic document; and
configuring the one or more extractors and the one more experts to ignore at least a portion of the electronic document determined to include distorted content, based upon the alignment.
10. A system for providing extracting entity data from electronic documents, the system comprising:
a memory for storing an executable instructions that extract entity data from electronic documents;
a processor that executes the instructions;
an extraction module that extracts entity data within an electronic document based upon an extraction model for the electronic document;
an expert that selects extracted entity data and applies at least one business rule to organize at least a portion of the selected entity data into a desired format; and
output generator that outputs the organized entities.
11. The system according to claim 10, wherein the output generator organizes the entity data into an extensible markup language file.
12. The system according to claim 10, wherein the output module generates a user interface that includes the organized entity data and a view of the electronic document that includes an annotation for each of the extracted entity data.
13. The system according to claim 10, further comprising a normalization module that cooperates with the extraction module to normalize entity data by applying a normalization scheme to the entity data.
14. The system according to claim 10, wherein the layout defines a target section and one or more target entity data included in the target section that are to be extracted by the one or more extractors.
15. The system according to claim 10, wherein the business rule comprises a set of slots, wherein each slot comprises a property that defines a condition for filling the slot via an expert.
16. The system according to claim 15, wherein the expert fills a slot with extracted entity data when the extracted entity data matches the property for the slot.
17. The system according to claim 16, wherein the expert validates the slot when the slots of the set are filled with extracted entity data.
18. The system according to claim 17, wherein the expert generates a combined set that includes a validated set and one or more additional slots which are to be filled.
19. The system according to claim 10, further comprising a disambiguation module that prevents extraction of entity data from a section of the electronic document having distorted content by:
generating a first-order hidden markov model for each section of the document, based upon a layout of the document;
applying the first-order hidden markov model to a section of the electronic document that includes distorted text to determine the most likely hidden states for the section;
aligning the section with characters extracted from the section of the electronic document; and
configuring the one or more extractors and the one more experts to ignore at least a portion of the electronic document determined to include distorted content, based upon the alignment.
20. A non-transitory computer readable storage media having a program embodied thereon, the program being executable by a processor to perform a method for extracting entity data from electronic documents, the method comprising:
executing one or more extractors to extract entity data within an electronic document based upon an extraction model of the electronic document;
selecting extracted entity data via one or more experts, each of the experts applying at least one business rule to organize at least a portion of the selected entity data into a desired format; and
providing the organized entity data for use by an end user.