TWI546546B - Method and system for automobile production and maintenance - Google Patents

Description

Method and system for automobile production and maintenance

The present invention relates to a method and system for production and maintenance automation, and more particularly to a method and system for automobile production and maintenance.

The existing automobile is equipped with a plurality of electronic control units (ECUs), for example, an electronic control unit that controls the operation of the engine, an electronic control unit that controls the display of the instrument, an electronic control unit that controls the operation of the airbag, and the like.

In general, when a car company produces a car, it is necessary to use a line end detecting device to detect whether the corresponding electronic control unit is installed and operated normally in a workstation associated with the corresponding electronic control unit of the production line. After the car leaves the factory, when any electronic control unit fails, the car needs to be moved to the relevant car warranty factory, and the faulty electronic control unit is diagnosed by using the service-side diagnostic device.

However, when the existing production line is produced in the mixed line, that is, when the car of different models or cars is produced on the same production line, the technicians at the production line should detect the electronic control unit of the car of different models or cars. Manually adjust the software settings of the line end detection device. In addition, at the end of the car warranty factory, the maintenance personnel can only rely on the diagnostic trouble code and electricity of the electronic control unit provided by the service-side diagnostic device. The relevant data of the sub-control unit is used for troubleshooting. The items and methods of vehicle maintenance mainly depend on the experience of the maintenance personnel. As a result, the maintenance quality may be poor due to the lack of experience and professional ability of the maintenance personnel. Therefore, it is necessary to seek solutions to the above shortcomings regarding the production line end and the sales end of the automobile.

Accordingly, it is an object of the present invention to provide a method for automobile production and maintenance.

Thus, the method of the present invention for automobile production and maintenance is suitable for a system for production and after-sales maintenance of a vehicle having at least one electronic control unit capable of recording its own use condition, the system comprising at least one disposed on a detecting device for producing a production line of the automobile and performing production inspection, at least one diagnostic device installed at a car sales location for repairing the sold car, and performing a fault diagnosis, and connecting the detecting device with a communication network And a server of the diagnostic device, the server including a production material related to the automobile, and a maintenance information related to the automobile.

The method comprises the steps of: (a) the server transmitting the production data to the detecting device; (b) detecting, by the detecting device, the electronic control unit of the automobile produced by the production line according to the production data to generate a detection information And transmitting the detection information to the server; (c) the diagnostic device obtains the diagnosis data from the server, and generates a diagnosis according to the maintenance data and the usage status recorded by the electronic control unit of the sold vehicle Information and transmit the diagnostic information to the server; and (d) the server is based on the diagnosis The information is transmitted to the diagnostic device.

Furthermore, it is another object of the present invention to provide a system for the production and maintenance of automobiles.

Therefore, the system for automobile production and maintenance of the present invention is suitable for a production line relating to the production of the automobile, and at least a pair of sold automobile sales places of the automobile, the automobile having at least one capable of recording its own use condition. An electronic control unit comprising a server, a detecting device and at least one diagnostic device.

The server includes a production item associated with the vehicle and a maintenance information relating to the vehicle.

The detecting device is disposed on the production line, and is connected to the server by using a communication network, and the production data is obtained from the server, and the electronic control unit of the automobile produced by the production line is detected according to the production data to generate a detection information. And transmitting the detection information to the server.

The diagnostic device is disposed at the car sales location and connected to the server by the communication network, and is configured to obtain the maintenance data from the server, and according to the maintenance data and the use recorded by the electronic control unit of the sold car A diagnostic message is generated and the diagnostic information is transmitted to the server.

Wherein, after the server receives the diagnostic information from the diagnostic device, the server transmits a maintenance prompt to the diagnostic device according to the diagnostic information.

The invention has the effect that the detecting device can automatically set the item to be detected for the electronic control unit of the automobile according to the production data. And the diagnostic device can receive the maintenance prompt from the server, so that the maintenance personnel can perform fault repair on the vehicle with reference to the content of the maintenance prompt.

1‧‧‧System for automobile production and maintenance

11‧‧‧Server

111‧‧‧ rule base

12‧‧‧Detection device

13‧‧‧Diagnostic device

2‧‧‧Used in automobile production and maintenance Methods

21‧‧‧Production stage

211~213‧‧‧Steps

22‧‧‧Maintenance phase

221~224‧‧‧Steps

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: Figure 1 is a block diagram illustrating an embodiment of the system for automotive production and maintenance of the present invention; and Figure 2 is A flow chart illustrating the steps involved in the method of the present invention for automobile production and maintenance.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figure 1, an embodiment of a system 1 for automotive production and maintenance of the present invention includes a server 11, a plurality of detection devices 12, and a plurality of diagnostic devices 13. The server 11 connects the detection devices 12 and the diagnostic devices 13 via a communication network, such as the Internet.

The detection devices 12 are disposed in a production line that can produce a plurality of cars of different models or different types of cars. Each of the automobiles includes a plurality of electronic control units capable of recording the usage status of the vehicle, the production line including a plurality of workstations, each workstation corresponding to at least one electronic control unit, and the detecting devices 12 are respectively disposed at the workstations and used for Detecting the electronic control unit corresponding to the set workstation to confirm whether the electronic control unit can working normally.

Specifically, the server 11 includes a production data set by an engineering developer, and transmits the production data to each of the detecting devices 12 when the automobile is produced, so that each detecting device 12 sets the workstation according to the production data. Corresponding the electronic control unit performs detection; wherein the production data includes a station profile corresponding to each workstation, a vehicle type pattern and a detection sequence of the cars of different models or different vehicles, and a corresponding electronic control unit Function profiles, diagnostics and communication libraries, and software and hardware information such as version information, production serial numbers, manufacturer numbers, etc. In this way, each detecting device 12 can automatically set the items and contents to be detected for the currently detected car.

In addition, the detecting device 12 generates a detection information related to the electronic control unit after detecting the electronic control unit corresponding to the set workstation, and transmits the detection information to the server 11 to establish a production history of the automobile.

The diagnostic devices 13 are respectively disposed at a car sales location where the sold cars are being repaired. When any of the sold cars is moved to the car sales location due to a malfunction, the vehicle maintenance personnel at the car sales location can operate the diagnostic device 13 to perform the electronic control unit of the sold car. Troubleshooting.

The server 11 further includes a rule base 111 having a plurality of prompt generation rules, and a maintenance data for fault diagnosis of the respective electronic control units. The maintenance information includes fault code information, function profiles, software and hardware version information, and electronic control related to each electronic control unit. The operation of the unit and the sensor information and so on. When the diagnostic device 13 is connected to the sold car, the diagnostic device 13 can download the service data from the server 11 to update the software version corresponding to each electronic control unit.

In particular, when the diagnostic device 13 is connected to the sold car, the diagnostic device 13 can read a unique Vehicle Identify Number and a model code of the sold car, and according to the body identification code And the vehicle model automatically adjusts corresponding software settings for diagnosing each electronic control unit; and generates diagnostic information according to the usage status recorded by each electronic control unit of the sold vehicle and transmits the diagnostic information to the server 11 The diagnostic information includes diagnostic trouble codes of each electronic control unit and related data of the usage status of the vehicle when the vehicle is traveling.

After the server 11 receives the diagnostic information, the server 11 searches the rule base 111 for at least one prompt generation rule matching the diagnostic information, and generates a maintenance prompt according to the prompt generation rule, and returns the The maintenance prompts to the diagnostic device 13 to allow the maintenance personnel to refer to the contents of the maintenance prompt and cooperate with the professional to perform fault repair of the respective electronic control unit on the sold vehicle.

Further, the server 11 is an expert system, and each of the prompt generation rules in the rule base 111 is in the form of: IF ( Condition ) THEN ( Conclusion ). When the server 11 judges that the diagnostic information matches the condition ( condition ) of the prompt generation rule, the server 11 forms the maintenance prompt according to the ( conclusion ) of the prompt generation rule.

Referring to Figure 2, the method 2 of the present invention for automobile production and maintenance is performed by the system 1 described above. The method 2 includes a production stage 21 and a Maintenance phase 22. This production phase 21 includes the following steps: First, in step 211, the server 11 transmits the production data to the detecting device 12.

Next, in step 212, the detecting device 12 detects the electronic control unit of the automobile produced by the production line based on the production data to generate the detection information.

Finally, in step 213, the detecting device 12 transmits the detection information to the server 11.

The maintenance phase 22 includes the following steps: First, in step 221, the diagnostic device 13 retrieves the maintenance data from the server 11.

Next, in step 222, the diagnostic device 13 generates the diagnostic information according to the maintenance data and the usage status recorded by the electronic control unit of the sold automobile; Next, in step 223, the diagnostic device 13 transmits the diagnostic information to the server 11.

Finally, in step 224, the server 11 transmits the service prompt to the diagnostic device 13 based on the diagnostic information.

In summary, the present invention is applied to a method and system for automobile production and maintenance, by the server 11, the detecting device 12, and the setting of the diagnostic devices 13, when the production line is mixed to produce a car, each The detecting device 12 can automatically set the item and content to be detected for the currently detected car; and when the after-sales service is performed on the car produced on the production line, the diagnostic device 13 can receive a relevant from the server 11. Repair tips, In order to allow the maintenance personnel to perform fault repair on the after-sales maintenance vehicle with reference to the contents of the maintenance prompt, the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and the patent specification of the present invention are still It is within the scope of the patent of the present invention.

1‧‧‧System for automobile production and maintenance

11‧‧‧Server

111‧‧‧ rule base

12‧‧‧Detection device

13‧‧‧Diagnostic device

Claims (7)

A method for automobile production and maintenance, which is suitable for a system for production and after-sales maintenance of a vehicle having at least one electronic control unit capable of recording its own use condition, the system comprising at least one disposed on a a production line of the automobile production line and a detection device for performing production inspection, at least one diagnostic device installed at a car sales location for repairing the sold car, and a diagnosis device for fault diagnosis, and connecting the detection device with a communication network and the a server of the diagnostic device, the server comprising a production data relating to the automobile, and a maintenance data relating to the automobile, the method comprising the steps of: (a) the server transmitting the production data to the detection device (b) the detecting device detects the electronic control unit of the automobile produced by the production line according to the production data to generate a detection information, and transmits the detection information to the server; (c) the diagnostic device from the servo After obtaining the maintenance information, the device generates the repair data according to the maintenance data and the usage status recorded by the electronic control unit of the sold vehicle. Diagnostic information, and transmits the diagnostic information to the server; and (d) the server sends a prompt to repair the diagnostic device according to the diagnostic information. The method for automobile production and maintenance according to claim 1, wherein the production line can produce a plurality of cars of different models or different cars, and in step (a), the production materials include the different models or different The detection sequence of the car of the car, and the software related to the detection of the electronic control unit With hardware information. The method for automobile production and maintenance according to claim 2, wherein the server includes a rule base having a plurality of prompt generation rules, and in step (d), the server generates rules according to the prompts. At least one of them generates the repair prompt. The method for automobile production and maintenance according to claim 3, wherein, in the step (c), the maintenance data includes software and hardware information related to fault diagnosis of the electronic control unit. A system for automobile production and maintenance, which is suitable for a production line of a plurality of cars of different models or different cars, and at least one pair of sold car sales places for the car to be repaired, the car having at least one An electronic control unit capable of recording its own use condition, the system comprising: a server comprising a production data relating to the automobile, and a maintenance data relating to the automobile, wherein the production material comprises the different models or different vehicles The detection sequence of the car and the software and hardware information related to the detection of the electronic control unit; a detection device is disposed on the production line, and the server is connected by a communication network, and the production data is obtained from the server And detecting, according to the production data, the electronic control unit of the automobile produced by the production line to generate a detection information, and transmitting the detection information to the server; and at least one diagnostic device disposed at the automobile sales service place, And connecting the server with the communication network, and for obtaining the maintenance data from the server, and according to the maintenance resource And the electronic control unit of the sold cars Generating a diagnostic information to the server, and transmitting the diagnostic information to the server; wherein, after the server receives the diagnostic information from the diagnostic device, the server transmits a maintenance prompt according to the diagnostic information To the diagnostic device. A system for automobile production and maintenance according to claim 5, wherein the server includes a rule base having a plurality of prompt generation rules, the server generating the repair according to at least one of the prompt generation rules prompt. A system for automobile production and maintenance according to claim 6, wherein the maintenance data includes software and hardware information related to fault diagnosis of the electronic control unit.