Fuzzy-logic on board device for monitoring and processing motor vehicle operating data

• US 20030023568A1
• Filed: 06/14/2002
• Published: 01/30/2003
• Est. Priority Date: 06/18/2001
• Status: Active Grant

• Current Assignee: Rde Company S.R.L.
• Original Assignee: Gabriele Bomba, Matteo Perotti
• Inventors: Bomba, Gabriele, Perotti, Matteo
• Granted Patent: US 7,146,346 B2
• Time in Patent Office: Days
• US Class Current: 706/1
• CPC Class Codes: B60T 8/174 characterised by using special control logic, e.g. fuzzy logic , neural computing
• CPC Class Codes: B60W 2050/0004 In digital systems, e.g. discrete-time systems involving sampling
• CPC Class Codes: B60W 2050/0005 Processor details or data handling, e.g. memory registers or chip architecture
• CPC Class Codes: B60W 2050/0045 using databus protocols
• CPC Class Codes: B60W 50/04 Monitoring the functioning of the control system
• CPC Class Codes: F02D 41/1404 Fuzzy logic control
• CPC Class Codes: F02D 41/2435 characterised by the writing medium, e.g. bar code
• CPC Class Codes: F02D 41/266 the computer being backed-up or assisted by another circuit, e.g. analogue
• CPC Class Codes: F02D 41/3005 Details not otherwise provided for
• CPC Class Codes: G05B 13/0275 using fuzzy logic only
• CPC Class Codes: G06N 5/048 Fuzzy inferencing
• CPC Class Codes: G07C 5/085 using electronic data carriers

Abstract

A fuzzy-logic on-board device for motoring and processing motor vehicle operating data comprising a on-board network connector, a front-end device, a CPU, an integrated store, a power management system and a peripheral device interface connector.

Claims

1. An on-board electronic device, of a standalone and fuzzy-logic type, for monitoring and processing data related to a use of motor vehicles, characterized in that said device comprises an onboard network connector (8), a front-end device (6), a CPU (3), integrated store means (4), a power management system (11) and a peripheral device interface connector (2).

2. An electronic on-board device, according to the preceding claim, characterized in that said CPU (3) is a microchip microcontroller, of a PIC16F877P type.

3. An electronic on-board device, according to claim 1, characterized in that said integrated store means comprise a 64 Kbyte static RAM memory, provided with a buffer or auxiliary store.

4. An electronic on-board device, according to claim 1, characterized in that said front-end device (6) comprises BJT transistors and/or a MOS transistor, to connect said device, through an on-board network connector (8) to a motor vehicle inner network such as:

CAN, TTP or direct connections on a K-line.

5. An electronic on-board device, according to claim 1, characterized in that said power management system (11) comprises an integrated 7805 stabilizer device, power supplied through said connector (8) and an inlet line (10) directly from a motor vehicle power supply circuit providing said front-end device (6), CPU (3) and integrated store means (4) with a 5 volt regulated power supply, through power supply lines (12).

6. An electronic on-board device, according to claim 1, characterized in that said CPU (3) is connected, through a bus (13), to said front-end device (6) and, through a further bus (14), to said integrated store means (4).

7. An electronic on-board device, according to claim 1, characterized in that said front-end device (6), CPU (3), integrated store means (4), power supply lines (10, 12) and buses (13 and 14) are assembled on a single printed circuit board card (7).

8. An electronic on-board device, according to claim 1, characterized in that said device is connected, through said on-board network connector (8), to said motor vehicle inner networks therefrom said device receives data which are processed, in real time, by said CPU (3) according to an algorithm using fuzzy logic filter functions and clustering storing data in gene and DNA forms and determining an automatic identification of a use mode of said motor vehicle.

9. An electronic on-board device, according to claim 1, characterized in that said integrated store means (4) are mapped into genes (26-30) and DNA'"'"'s (22-25) and store multidimensional, unidimensional statistic parameters or simple values.

10. An electronic on-board device, according to claim 1, characterized in that said device, for processing said data, provides a generation and evolvement of said genes and an unification of said DNA'"'"'s through artificial intelligence algorithmic instruments.

11. An electronic on-board device, according to claim 10, characterized in that an algorithm used for processing said data implements at least two reiterative nested cycles, i.e. an inner cycle for providing said genes and building said DNA'"'"'s, and a selection outer cycle based on a fuzzy logic of said genes, and performing an unification of two most similar DNA'"'"'s of said DNA'"'"'s in a store portion (31) of said store means (4), updating said DNA'"'"'s and storing (32) of a result of said DNA processing.

12. An electronic on-board device, according to claim 1, characterized in that said fuzzy logic provides to filter said genes in a direct manner in a domain of measured data, by fuzzyfying said genes (71, 72) and a weight function (74) by fuzzy rules (73) for deriving normalized filter functions and starting gene functions.

13. An electronic on-board device, according to claim 1, characterized in that said device is coupled, through said on-board network connector (8), to a connector (40) of an OBD or EOBD type, for interfacing the motor vehicle inner networks with an outside of said motor vehicle.

14. An electronic on-board device, according to claim 1, characterized in that said device is fixedly applied in said motor vehicle by fully integrating said device in an on-board electronic system, including ECU'"'"'s (33, 24, 36, 38) coupled to one another through a shared network (35) or direct connections (37).

15. An electronic on-board device, according to claim 1, characterized in that said device is directly interfaced with sensors and actuators, to provide enhanced operating parameters including statistic parameters defining, use procedures of motor vehicle sub-systems.

16. An electronic on-board device, according to claim 1, characterized in that said interface connector (2) provides connections with optional peripheral devices, such as an outer auxiliary processing unit (68), radio transmitters or wireless devices (60) including an antenna (59) or an Ethernet adapter (65) for LAN networks.

17. An electronic on-board device, according to claim 1, characterized in that said interface connector (2) is coupled to said printed board circuit card through said coupling line (5).

18. An electronic on-board device, according to claim 1, characterized in that said on-board network connector (8) is coupled to said printed board circuit card (7) through said coupling lines (9, 10).

19. An electronic on-board device, according to claim 1, characterized in that said device is made in integrated technology and mounted on-board of said motor vehicle.