A method for verifying a determined sensor event of a diagnostic device, a corresponding computer program product, a corresponding non-transitory

Abstract

A method for verifying a determined sensor event of a sensor in a motor vehicle by a diagnostic device of the vehicle comprises the steps of: providing an input 20 based on documents 22, 24, 26 relating to the sensor; receiving at least one sensor parameter 28 of the sensor; analyzing the sensor parameter depending on the input; receiving the sensor event from the diagnostic device; and verifying the sensor event depending on the analyzed sensor parameter. The documents may be a data sheet, summary sheet or monitoring checklist relating to the sensor. The sensor parameter may be based on a calibrated value. A report 32 may be produced. The method reduces false alerts e.g. relating to the motor of the vehicle.

Description

FIELD OF THE INVENTION

[0001] The present invention relates to the field of automobiles. More specifically, the present invention relates to a method for verifying a determined sensor event of a diagnostic device of a motor vehicle by an electronic computing device of the motor vehicle. Furthermore, the present invention relates to a corresponding computer program product, a corresponding non-transitory computer-readable storage medium, as well as to a corresponding electronic computing device. BACKGROUND INFORMATION

[0002] According to the state of the art, it is known that an onboard diagnostic device may determine a sensor event, for example, an impairment of the motor, and may display this with a motor indication light at a display device in the motor vehicle. It is possible that the onboard diagnostic device may detect a misalignment of the sensor event but may display the motor indication light. Therefore, a user of the motor vehicle may get a false information about the state of the motor and may visit a workshop without the need. SUMMARY OF THE INVENTION

[0003] It is an object of the present invention to provide a method, a corresponding computer program product, a corresponding non-transitory computer-readable storage medium, as well as a corresponding electronic computing device, by which a determined sensor event of a diagnostic device of a motor vehicle can be verified.

[0004] This object is solved by a method, a corresponding computer program product, a corresponding non-transitory computer-readable storage medium, as well as a corresponding electronic computing device according to the independent claims. Advantageous embodiments a presented in the dependent claims.

[0005] One aspect of the invention relates to a method for verifying a determined sensor event of a diagnostic device of a motor vehicle by an electronic computing device of the motor vehicle. An input for potential sensor events is provided depending on input documents relating to the diagnostic device by the electronic computing device. At least one sensor parameter of the diagnostic device is received by the electronic computing device. The sensor parameter is analyzed by the input. The sensor event is received from the diagnostic device by the electronic computing device and the sensor event is verified depending on the analyzed sensor parameter by the electronic computing device.

[0006] Therefore, the electronic computing device may detect a possible false motor indication light beforehand by reading an analyzing sensor data, for example given in the engaged documents. It also may compare the values given in official agency documents and support therefore the constancy of the onboard diagnostic device. The tool is in particular an elemental step to implement a standard within all relevant projects. Therefore, the solution is to detect misalignment of a current motor indication light indication with the data via calculation to fulfil safety requirements and improve customer experience by negating possible wrong motor indication light indicating in the motor vehicle. Also, standardization between products is supported and failures through manual analyzes is reduced.

[0007] Therefore, the product reliability is improved. The frequency of wrong indicated motor indication light and service request is decreased. Also, possible agency conversations and possible penalties are reduced.

[0008] In an embodiment, the input is provided depending on a summary sheet of the diagnostic device as the input document.

[0009] In another embodiment, the input is provided depending on a data sheet of the diagnostic device as the input document.

[0010] In another embodiment, the input is provided depending on a diagnostic device monitoring check list of the diagnostic device as the input document.

[0011] In another embodiment, a report of a completeness of the input documents is provided by the input.

[0012] In another embodiment, depending on the verification displaying the sensor event on a display device of the electronic computing device is performed.

[0013] In particular, the method is computer-implemented method. Therefore, another aspect of the invention relates to a computer program code comprising program code means for performing a method according to the preceding aspect.

[0014] A still further aspect of the invention relates to a non-transitory computer-readable storage medium comprising at least a computer program product according to the preceding aspect.

[0015] Furthermore, the invention relates to an electronic computing device for verifying a determined sensor event of a diagnostic device of a motor vehicle, wherein the electronic computing device is configured for performing a method according to the preceding aspect. In particular, the method is performed by the electronic computing device.

[0016] Furthermore, the invention relates to a motor vehicle comprising at least the electronic computing device according to the preceding aspect.

[0017] The electronic computing device / computing unit therefore may comprise electronic means, for example, processors, circuits, in particular integrated circuits, and further electronic means for performing a method. A computing unit may in particular be understood as a data processing device, which comprises processing circuitry. The computing unit can therefore in particular process data to perform computing operations. This may also include operations to perform indexed accesses to a data structure, for example a look-up table, LUT.

[0001] In particular, the computing unit may include one or more computers, one or more microcontrollers, and / or one or more integrated circuits, for example, one or more application-specific integrated circuits, ASIC, one or more field-programmable gate arrays, FPGA, and / or one or more systems on a chip, SoC. The computing unit may also include one or more processors, for example one or more microprocessors, one or more central processing units, CPU, one or more graphics processing units, GPU, and / or one or more signal processors, in particular one or more digital signal processors, DSP. The computing unit may also include a physical or a virtual cluster of computers or other of said units.

[0002] In various embodiments, the computing unit includes one or more hardware and / or software interfaces and / or one or more memory units.

[0003] A memory unit may be implemented as a volatile data memory, for example a dynamic random access memory, DRAM, or a static random access memory, SRAM, or as a non-volatile data memory, for example a read-only memory, ROM, a programmable read-only memory, PROM, an erasable programmable read-only memory, EPROM, an electrically erasable programmable read-only memory, EEPROM, a flash memory or flash EEPROM, a ferroelectric random access memory, FRAM, a magnetoresistive random access memory, MRAM, or a phase-change random access memory, PCRAM. Further advantages, features, and details of the invention derive from the following description of preferred embodiment as well as from the drawing. The features and feature combinations previously mentioned in the description as well as the features and feature combinations mentioned in the following description of the figure and / or shown in the figure alone can be employed not only in the respectively indicated combination but also in any other combination or taken alone without leaving the scope of the invention.

[0004] Further advantages, features, and details of the invention derive from the following description of preferred embodiments as well as from the drawings. The features and feature combinations previously mentioned in the description as well as the features and feature combinations mentioned in the following description of the figures and / or shown in the figures alone can be employed not only in the respectively indicated combination but also in any other combination or taken alone without leaving the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] The novel features and characteristic of the disclosure are set forth in the appended claims. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate exemplary embodiments and together with the description, serve to explain the disclosed principles. The same numbers are used throughout the figures to reference like features and components. Some embodiments of system and / or methods in accordance with embodiments of the present subject matter are now described below, by way of example only, and with reference to the accompanying figures.

[0006] The drawings show in:

[0007] Fig. 1 a schematic top view according to an embodiment of a motor vehicle comprising an embodiment of an electronic computing device;

[0008] Fig. 2 a schematic block diagram according to an embodiment of an electronic computing device; and

[0009] Fig. 3 a schematic flow chart according to an embodiment of the method.

[0010] In the figures the same elements or elements having the same function are indicated by the same reference signs. DETAILED DESCRIPTION

[0011] In the present document, the word "exemplary" is used herein to mean "serving as an example, instance, or illustration". Any embodiment or implementation of the present subject matter described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

[0012] While the disclosure is susceptible to various modifications and alternative forms, specific embodiments thereof have been shown by way of example in the drawing and will be described in detail below. It should be understood, however, that it is not intended to limit the disclosure to the particular forms disclosed, but on the contrary, the disclosure is to cover all modifications, equivalents, and alternatives falling within the scope of the disclosure.

[0013] The terms “comprises”, “comprising”, or any other variations thereof, are intended to cover a non-exclusive inclusion so that a setup, device or method that comprises a list of components or steps does not include only those components or steps but may include other components or steps not expressly listed or inherent to such setup or device or method. In other words, one or more elements in a system or apparatus preceded by “comprises” or “comprise” does not or do not, without more constraints, preclude the existence of other elements or additional elements in the system or method.

[0014] In the following detailed description of the embodiment of the disclosure, reference is made to the accompanying drawing that forms part hereof, and in which is shown by way of illustration a specific embodiment in which the disclosure may be practiced. This embodiment is described in sufficient detail to enable those skilled in the art to practice the disclosure, and it is to be understood that other embodiments may be utilized and that changes may be made without departing from the scope of the present disclosure. The following description is, therefore, not to be taken in a limiting sense.

[0015] Fig. 1 shows a schematic top view of a motor vehicle 10 comprising an electronic computing device 12. The electronic computing device 12 is configured for verifying a determined sensor event 14 of a sensor 16 of a diagnostic device 18 of the motor vehicle 10 by the diagnostic device 18 of the motor vehicle 10. The sensor 16 may be a part of the diagnostic device 18 or outside and separate to the diagnostic device 18. The diagnostic device 18 may also be regarded as a so-called onboard diagnostic device (OBD). The sensor 16 may be configured for a combustion engine or alternatively an electric engine. Furthermore, also a hybrid variation of the motor vehicle 10 may be provided.

[0016] Fig. 2 shows a schematic block diagram according to an embodiment of the invention. In particular, Fig. 2 shows that an input 20 for potential sensor events 14 is provided depending on input documents 22, 24, 26 relating to the sensor 16 by the electronic computing device 12. At least one sensor parameter 28 of the sensor 16 is received by the electronic computing device 12. The sensor parameter 28 is analyzed depending on the inputs 20 by the electronic computing device 12. The sensor event 14 is received from the diagnostic device 18 by the electronic computing device 12, and the sensor event 14 is verified depending on the analyzed sensor parameter 28 by the electronic computing device 12, which is shown with a verification 30.

[0017] The sensor event 14 may include a specific value, range of values, or comparable metric that may indicate that the sensor / monitor is “out of range”.

[0018] The inputs 20 are provided depending on a summary sheet 22 of the sensor 16 as the input document 22, 24, 26. Furthermore, the inputs 20 are provided depending on a data sheet 24 of the sensor 16 as the input document 22, 24, 26. Furthermore, the inputs 20 are provided depending on a sensor monitoring check list 26 of the sensor 16 as the input document 22, 24, 26.

[0019] Furthermore, a report 32 of a completeness of the input document 22, 24, 26 is provided by the electronic computing device 12.

[0020] In particular, Fig. 2 shows that the input documents 22, 24, 26 are official documents that are delivered to, for example, an agency. These documents 22, 24, 26 are inputs for the electronic computing device 12. As the output, a tool report 32 is provided, wherein this report 32 shows the correctness and completeness of the input documents 22, 24, 26 as well as, for example, a calibration issue. For example, the report may include detected calibration issues. Furthermore, an additional comparison with a software as the verification is provided, wherein the output is the correctness of the values are verified and, for example, the correctness of the indicating of the motor indication light.

[0021] Fig. 3 shows a schematic flow chart according to an embodiment of the method. In particular, Fig. 1 shows in first step S1 determining and providing the input documents 22, 24, 26. In a second step S2, providing the at least one sensor parameter 28 of the motor vehicle 10 to the electronic computing device 18 is performed. In a third step S3 determining the sensor event 14 based on the input 20 and the sensor parameter 28 by the electronic computing device 12 is performed. In a fourth step S4 analyzing the sensor event 14 by the electronic computing device 12 is performed. In a fifth step S5 providing a report 32 based on the analyzed sensor event 16 by the electronic computing device 12 is performed. In a sixth step S6 verifying the report 32 based on the input 20 and the sensor parameter 28 by the electronic computing device 12 is performed. signs motor vehicle electronic computing device sensor event sensor diagnostic device input summary sheet data sheet sensor monitoring check list sensor parameter verification report steps of the method

Claims

10 08 231. A method for verifying a sensor (16) of a diagnostic device (18) of a motor vehicle (10) by an electronic computing device (12), comprising the steps of:- providing an input (20) based on at least one of summary sheet (22), a data sheet (24), or a sensor monitoring checklist (26) relating to the sensor (16) to the electronic computing device (12);- providing at least one sensor parameter (28) of the motor vehicle (10) to the electronic computing device (12);- determining a sensor event (14) based on the input (20) and the sensor parameter (28) by the electronic computing device (12);- analyzing the sensor event (14) by the electronic computing device (12);- providing a report (32) based on the analyzed sensor event (16) by the electronic computing device (12); and- verifying the report (32) based on the input (20) and the sensor parameter (28) by the electronic computing device (12).

2. The method according to claim 1, characterized in thatthe input (20) is provided based on the summary sheet (22), the data sheet (24), and the sensor monitoring checklist (26).

3. The method according to claim 1 or 2, characterized in thatthe data sheet (24) is based on a sensor data sheet.10 08 234. The method according to any one of the claims 1 to 3, characterized in thatthe sensor parameter (28) is based on a calibrated value.

5. The method according to any one of claims 1 to 4, characterized in thatthe report (32) of a completeness of the analyzed sensor event (14) is provided by the electronic computing device (12).

6. The method according to any one of claims 1 to 5, characterized in thatdepending on the verification displaying the sensor event (14) on a display device of the electronic computing device (12) is performed.

7. A computer program code comprising program code means for performing a method according to any one of claims 1 to 6.

8. A non-transitory computer-readable storage medium comprising at least the computer program product according to claim 7.

9. An electronic computing device (12) for verifying a sensor event (14) of a sensor (16) of a diagnostic device (18) of a motor vehicle (10), wherein the electronic computing device (12) is configured for performing a method according to any one of claims 1 to 6.

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