Control software architecture for realizing a decentralized cooperative control of a plurality of electronic control apparatuses connected via a network

• US 20040143656A1
• Filed: 01/08/2004
• Published: 07/22/2004
• Est. Priority Date: 01/15/2003
• Status: Abandoned Application

• Current Assignee: DENSO Corporation
• Original Assignee: DENSO Corporation
• Inventors: Okada, Minoru, Goto, Masahiro, Iwai, Akihito, Matsumoto, Toshiki
• Application Number:
  US10/752,554
• Publication Number:
  US 20040143656A1
• Time in Patent Office: Days
• US Class Current: 709/223
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04L 67/60 Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources admission control or resource allocation H04L47/70
• CPC Class Codes: H04L 69/28 Timers or timing mechanisms used in protocols
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

In control software architecture for realizing a decentralized cooperative control of a plurality of electronic control apparatuses being connected via a network, control application software for realizing the control of each system has no data management function and no time synchronization function. Instead, the data management function and the time synchronization function are allocated in a decentralized control application framework which is commonly used for the electronic control apparatuses.

Claims

1. A control software architecture for realizing a decentralized cooperative control of a plurality of electronic control apparatuses connected via a network, wherein

no data management function and no time synchronization function are involved in each control application software which is prepared in each electronic control apparatus to realize each system, and

data management function and time synchronization function are allocated in a subordinate decentralized control platform of said each control application software, so as to be commonly used for said plurality of electronic control apparatuses.

2. The control software architecture in accordance with claim 1, wherein said decentralized control platform is provided with position information identifying an ECU in which said control application software is located.

3. The control software architecture in accordance with claim 1, wherein said time synchronization function is for transmitting the data with reference to a transmission timing determined according to a deadline time of the processing in said control application software, thereby realizing optimum time synchronization in each electronic control apparatus.

4. The control software architecture in accordance with claim 1, wherein said decentralized control platform is equipped for each one of said control application softwares.

5. A control software architecture for realizing a decentralized cooperative control of a first electronic control apparatus and a second electronic control apparatus connected via a network, wherein

said first electronic control apparatus comprises:

at least one control application software for realizing at least one system, said control application software having no data management function;

a decentralized control platform having a data management function; and

driver software for receiving an actuator drive command instructed from said control application software via said decentralized control platform or/and for transmitting data to said decentralized control platform,

said second electronic control apparatus comprises;

at least one control application software for realizing at least one system, said control application software having no data management function;

a decentralized control platform having a data management function; and

driver software for receiving an actuator drive command instructed from said control application software via said decentralized control platform or/and for transmitting data to said decentralized control platform,

wherein said decentralized control platform provided in said first electronic control apparatus and said decentralized control platform provided in said second electronic control apparatus (2) are commonized with each other.

6. The control software architecture in accordance with claim 5, wherein said decentralized control platform is provided with position information identifying an ECU in which said control application software is located.

7. The control software architecture in accordance with claim 5, wherein said decentralized control platform is equipped for each one of said control application softwares.

8. A control software architecture for realizing a decentralized cooperative control of a plurality of electronic control apparatuses connected via a network, wherein

each of said electronic control apparatuses comprises:

control application software for realizing each system, said control application software having no data management function;

a decentralized control platform having a data management function; and

driver software,

wherein said decentralized control platform comprises, as means common to respective electronic control apparatuses;

a data queue for temporarily memorizing request instruction data for realizing said system; and

a condition common data section for temporarily memorizing condition data used in executing said system.

9. The control software architecture in accordance with claim 8, wherein said condition data are renewed together in said each electronic control apparatus.

10. The control software architecture in accordance with claim 9, wherein each of said request instruction data is assigned a priority beforehand.

11. The control software architecture in accordance with claim 9, wherein

all of said request instruction data transmitted from said each electronic control apparatus or from said each control application software or/and all of said request instruction data received by said each control application software are exchanged via said data queue of said decentralized control platform.

12. The control software architecture in accordance with claim 9, wherein said decentralized control platform is provided with position information identifying an ECU in which said control application software is located.

13. The control software architecture in accordance with claim 9, wherein

said condition common data section and said data queue are provided for each one of said control application softwares, and

said data queue includes a request acceptance data queue for receiving said request instruction data from other control application software, and a request issue data queue for issuing said request instruction data to other control application software.

14. The control software architecture in accordance with claim 9, wherein said decentralized control platform is equipped for each one of said control application softwares.

15. A control software architecture for realizing a decentralized cooperative control of a plurality of electronic control apparatuses connected via a network, wherein

each of said electronic control apparatuses comprises:

control application software for realizing each system, said control application software having no time synchronization function;

a decentralized control platform provided commonly for said plurality of electronic control apparatuses, said decentralized control platform having time synchronization function for communications softwares for executing communications between respective systems, between respective control application softwares, and between respective electronic control apparatuses; and

driver software for receiving an actuator drive command instructed from said control application software via said decentralized control platform or/and transmitting data to said decentralized control platform.

16. The control software architecture in accordance with claim 15, wherein said decentralized control platform is provided with position information identifying an ECU in which said control application software is located.

17. The control software architecture in accordance with claim 15, wherein said time synchronization function is for transmitting the data with reference to a transmission timing determined according to a deadline time of the processing in said control application software, thereby realizing optimum time synchronization in each electronic control apparatus.

18. The control software architecture in accordance with claim 15, wherein said decentralized control platform is equipped for each one of said control application softwares.