IP Library Granted Patent US 8,731,745
Granted Patent B2
US 8,731,745 · App. 12/165,703 · Granted May 20, 2014

Sequence diagram system

Inventors: Steven C. Fisher (Simi Valley, CA); Tim Brodeur (Folsom, CA)
Assignee: Aerojet Rocketdyne of DE, Inc.
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Quick Facts
Patent No.
US 8,731,745
App. No.
12/165,703
Granted
May 20, 2014
Kind
B2
Abstract

A method of generating a test sequence diagram includes: linking a first action of the plurality of actions with a second action of the plurality of actions and generating a test sequence diagram which maintains the linking.

Claims (46)

1. A method of generating a test sequence diagram comprising:

inputting a plurality of actions for a hot-fire test into a sequence diagram tool on a computer;

linking a first action of the plurality of actions with a second action of the plurality of actions using the sequence diagram tool;

generating a test sequence diagram which maintains the linking using the sequence diagram tool;

editing said first action of the plurality of actions in said test diagram, thereby causing said edits to affect a corresponding change in the second action as a result of said linking.

2. A method as recited in claim 1 , wherein inputting a plurality of actions for the hot-fire test further comprises:

inputting a first valve actuation as the first action.

3. A method as recited in claim 2 , wherein inputting a plurality of actions for the hot-fire test further comprises:

inputting a second valve actuation as the second action.

4. A method as recited in claim 3 , wherein linking the first action of the plurality of actions with the second action of the plurality of actions further comprises:

linking the first action with the second action with a delay.

5. A method as recited in claim 1 , wherein inputting a plurality of actions for the hot-fire test further comprises:

inputting an event as the first action.

6. A method as recited in claim 5 , wherein linking the first action of the plurality of actions with the second action of the plurality of actions further comprises:

linking activation of a first valve in response to the event.

7. A method as recited in claim 6 , wherein linking the first action of the plurality of actions with the second action of the plurality of actions further comprises:

closing the first valve.

8. A method as recited in claim 6 , wherein inputting a plurality of actions for the hot-fire test further comprises:

opening the first valve.

9. A method as recited in claim 6 , wherein linking the first action of the plurality of actions with the second action of the plurality of actions further comprises:

linking the event to a time period.

10. The method of claim 1 , wherein said step of inputting a plurality of actions for a hot-fire test further comprises entering said plurality of actions into a computerized database and wherein said step of linking a first action of the plurality of actions with a second action of the plurality of actions comprises linking a first computer entry corresponding to said first action and a second computer entry corresponding to said second action such that an alteration to said first or second computer entry affects a corresponding alteration in the other of said first or second computer entry.

11. The method of claim 1 , wherein said step of linking a first action of the plurality of actions with a second action of the plurality of actions creates a link between said first action and said second action such that an alteration to one of said first or second action causes a corresponding alteration to the other of said first or second action.

12. A method of generating a test sequence diagram comprising:

inputting a plurality of valve actions for a hot-fire test into a sequence diagram tool on a computer;

linking a first action of said plurality of valve actions with a second action of said plurality of valve actions using the sequence diagram tool; and

generating a test sequence diagram which maintains the linking using the sequence diagram tool; and

editing said first action of the plurality of actions in said test diagram, thereby causing said edits to affect a corresponding change in the second action as a result of said linking.

13. A method as recited in claim 12 , wherein inputting the plurality of valve actions for the hot-fire test further comprises:

inputting a first valve actuation as a first valve action of the plurality of valve actions.

14. A method as recited in claim 13 , wherein inputting the plurality of valve actions for the hot-fire test further comprises:

inputting a second valve action as a second valve action of the plurality of valve actions.

15. A method as recited in claim 14 , wherein linking the first action of said plurality of valve actions with the second action of said plurality of valve actions further comprises:

linking the first action with the second action with a delay.

16. The method of claim 12 , wherein said step of linking a first action of said plurality of valve actions with a second action of said plurality of valve actions creates a link between said first action and said second action such that an alteration to one of said first or second action causes a corresponding alteration to the other of said first or second action.

17. A method of generating a test sequence diagram for a hot-fire test comprising:

inputting a plurality of valve actions into a sequence diagram tool on a computer, wherein the plurality of valve actions comprise opening an oxygen valve, opening an ignition valve, and opening a fuel valve;

linking the action of opening the ignition valve with the action of opening the fuel valve with a delay using the sequence diagram tool; and

generating a test sequence diagram which maintains the delay using the sequence diagram tool: and

editing said first action of the plurality of actions in said test diagram, thereby causing said edits to affect a corresponding change in the second action as a result of said linking.

18. A method as recited in claim 17 , wherein said linking further comprises:

adjusting the delay.

19. A method as recited in claim 18 , wherein said generating further comprises:

generating the test sequence diagram which maintains the linking in response to the adjusting.

20. The method of claim 10 , wherein said step of generating a test sequence diagram which maintains the linking further comprises generating a visual representation of a test sequence, and wherein said visual representation comprises a representation of said linking.

21. The method of claim 17 , wherein said step of linking the action of opening the ignition valve with the action of opening the fuel valve with a delay creates a link between the action of opening the ignition valve and the action of opening the fuel valve with a delay such that an alteration to one of said action of opening the ignition valve and said action of opening the fuel valve with a delay causes a corresponding alteration to the other of said action of opening the ignition valve and said action of opening the fuel valve with a delay.

Assignments (7)
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS Recorded Jul 28, 2023
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT (AS SUCCESSOR AGENT TO WELLS FARGO BANK, NATIONAL ASSOCIATION (AS SUCCESSOR-IN-INTEREST TO WACHOVIA BANK, N.A.), AS ADMINISTRATIVE AGENT
To: AEROJET ROCKETDYNE OF DE, INC. (F/K/A PRATT & WHITNEY ROCKETDYNE, INC.)
Reel/Frame 064424/0050 →
RELEASE OF SECURITY INTEREST Recorded Aug 5, 2016
From: U.S. BANK NATIONAL ASSOCIATION
To: AEROJET ROCKETDYNE OF DE, INC. (F/K/A PRATT & WHITNEY ROCKETDYNE, INC.)
Reel/Frame 039597/0890 →
NOTICE OF SUCCESSION OF AGENCY (INTELLECTUAL PROPERTY) Recorded Jun 20, 2016
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS THE RESIGNING AGENT
To: BANK OF AMERICA, N.A., AS THE SUCCESSOR AGENT
Reel/Frame 039079/0857 →
CHANGE OF NAME Recorded Jul 30, 2013
From: PRATT & WHITNEY ROCKETDYNE, INC.
To: AEROJET ROCKETDYNE OF DE, INC.
Reel/Frame 030902/0313 →
SECURITY AGREEMENT Recorded Jun 21, 2013
From: PRATT & WHITNEY ROCKETDYNE, INC.
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 030656/0615 →
SECURITY AGREEMENT Recorded Jun 17, 2013
From: PRATT & WHITNEY ROCKETDYNE, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 030628/0408 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 1, 2008
From: FISHER, STEVEN C.; BRODEUR, TIM
To: PRATT & WHITNEY ROCKETDYNE, INC.
Reel/Frame 021176/0746 →
Continuity (1)
Related Publication 20100017055A1 · Jan 21, 2010