Integrated simulation system

• US 20060282248A1
• Filed: 08/26/2005
• Published: 12/14/2006
• Est. Priority Date: 06/14/2005
• Status: Abandoned Application

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Tokisue, Hiromitsu, Kageyama, Keiji, Matsunaga, Mitsuo, Onodera, Makoto, Kataoka, Ichiro, Nishigaki, Ichiro, Sasaki, Yasuo
• Application Number:
  US11/212,119
• Publication Number:
  US 20060282248A1
• Time in Patent Office: Days
• US Class Current: 703/13
• CPC Class Codes: G06F 30/20 Design optimisation, verification or simulation optimisation, verification or simulation of circuit designs G06F30/30

Abstract

An integrated simulation system, for integrally simulating a simulation target having a plural number of elements therein, comprises: simulators, each being provided, independently, for each of the elements, for simulating those elements, respectively; and a corporation means having a common data area for connecting the plural number of simulators accessible thereto. The corporation means has a time management means for managing simulation time, when a synchronization request is issued from anyone of those simulators.

Claims

1. An integrated simulation system, for integrally simulating a simulation target having a plural number of elements therein, comprising:

simulators, each being provided, independently, for each of said elements, for simulating said elements, respectively; and

a corporation means having a common data area for connecting said plural number of simulators accessible thereto, wherein

said corporation means has a time management means for managing simulation time, when a synchronization request is issued from one of said simulators, between the simulator requested to be in synchronism.

2. The integrated simulation system, as described in the claim 1, wherein said plural numbers of simulators are able to transmit data, mutually, through said common data area.

3. The integrated simulation system, as described in the claim 1, wherein each of said simulators takes synchronization on the simulation time, with using said time management means, when a simulation process of itself is a process relating to a simulation of other simulator.

4. The integrated simulation system, as described in the claim 3, within said common data area are provided with an area for storing synchronization time information therein, which can be shared in common with said simulator issuing the synchronization request and the simulator requested to be in synchronism therewith, and an area for storing synchronization completion information therein, which is generated when said simulator requested to be in synchronism there with reaches to a synchronization time, whereby said simulator requesting synchronization obtains operation data of said simulator requested to be in synchronization within said common data area, after confirming the synchronization completion information through accessing to the common data area.

5. The integrated simulation system, as described in the claim 1, further comprising a data operation interface, being connected accessible to said cooperation means, wherein said data operation interface can change the data within said common data area, when any one of said plural numbers of simulators executes simulation.

6. The integrated simulation system, as described in the claim 1, wherein said plural numbers of simulators includes a software simulator for simulating software embedded into equipment, a mechanical-system simulator for simulating a mechanical apparatus, which is driven and controlled by said software, and an electrical-system simulator for simulating an electrical system, which converts data transmitted between said software simulator and said mechanical-system simulator.

7. The integrated simulation system, as described in the claim 6, wherein said cooperation means can transmit the data between said software simulator and said mechanical-system simulator, directly.

8. The integrated simulation system, as described in the claim 6, wherein each of said mechanical-system simulator and said electrical-system simulator has a switching means, for switching over if it individually accesses an actual machine to said common data area, respectively, or if it accesses the simulator of itself in combination with the actual machine.

9. The integrated simulation system, as described in the claim 6, wherein said mechanical-system simulator comprises a hypothetic model simulator therein, and said hypothetic model simulator has a response data, which is simulated in advance, responding to an operation instruction of said software simulator, so as to obtain an operation result responding to the operation instruction of said software simulator, upon said response data, thereby to be stored within said common data area.

10. The integrated simulation system, as described in the claim 6, wherein said software simulator has a means for extracting an access port for accessing to said electrical-system simulator and said mechanical-system simulator, upon basis of source program of said software, and for automatically producing a variable switching definition file for use of referring to the common data area, defining an access address on said common data area corresponding to said access port.

11. The integrated simulation system, as described in the claim 6, further comprising:

a database for reserving and managing the simulation models, constituent elements of said simulation models, the simulation conditions, and the simulation results of said software simulator, said mechanical-system simulator and said electrical-system simulator.

12. The integrated simulation system, as described in the claim 11, further comprising:

a user interface for enabling to search, refer and edit the information of said database, in relation to execution of the simulation.

13. The integrated simulation system, as described in the claim 11, further comprising:

an output means for outputting said simulation models, said simulation conditions, and said simulation results, which are stored within said database, through data in a format corresponding to an arbitrary display apparatus.

14. The integrated simulation system, as described in the claim 12, wherein said user interface compares the simulation model and the simulation condition to contents of those reserved within said database, when the simulation is executed, so as to provide a simulation model and a result thereof, which are same or analogous thereto, before execution of the simulation.

15. The integrated simulation system, as described in the claim 12, wherein said cooperation means has a switching means for switching over if it individually accesses an actual machine to said common data area, respectively, or if it accesses the simulator of itself in combination with the actual machine, and also said user interface makes management on the object, the processing time and the simulation accuracy of the simulation, in combination with those simulations, including the actual machine therein, and simulation results thereof, thereby being able to provide a simulation modeling depending on the object, the processing time and the accuracy thereof.

16. The integrated simulation system, as described in the claim 12, wherein said user interface displays data corresponding thereto, about plural numbers of simulation results, in same expression thereof, on the display apparatus.

17. An integrated simulation system, comprising:

a plural number of independent simulators, each simulating a plural number of elements building up a simulation target;

a cooperation means having a common area, with which said plural number of simulators in an accessible manner; and

a user interface having a display means for displaying simulation conditions of said plural number of simulators, wherein

said user interface has a display mode selecting means for displaying the simulation conditions of said respective simulators, alone or in a group thereof.

18. The integrated simulation system, as described in the claim 17, wherein said plural number of simulators includes a software simulator for simulating software, which is embedded into equipment, a mechanical-system simulator for simulating a mechanical apparatus which is driven and controlled by said software, and an electrical-system simulator for simulating an electric circuit system, which converts data transmitted between said software simulator and said mechanical-system simulator.

19. An integrated simulation system, comprising:

a plural number of independent simulators, each simulating a plural number of elements building up a simulation target;

a cooperation means having a common area, with which said plural number of simulators in an accessible manner; and

an interruption processing means for simulating an interruption with using a signal mechanism of an operating system, when an interruption request is made from said plural number of simulators.