SIMULATION TEST SYSTEM AND METHOD FOR TESTING VEHICLE ELECTRONIC COMPONENT

• US 20090157374A1
• Filed: 11/20/2008
• Published: 06/18/2009
• Est. Priority Date: 12/18/2007
• Status: Active Grant

• Current Assignee: Hyundai Motor Company (Hyundai Motor Group)
• Original Assignee: Hyundai Motor Company (Hyundai Motor Group)
• Inventors: Jang, Sung Hwan, Kim, Joon Sang, Han, Jin Gon, Choi, Myung Sung
• Granted Patent: US 8,290,661 B2
• Time in Patent Office: Days
• US Class Current: 703/13
• CPC Class Codes: G01R 31/007 using microprocessors or computers

Abstract

Disclosed is a simulation test system and method for testing a vehicle electronic component capable of easily testing performance of the electronic component anytime regardless of location without repeating the same driving test.

Claims

1. A simulation test system for a vehicle electronic component comprising:

at least one attenuation probe that is connected to input lines of operating sample components in a state where they are electrically connected to the vehicle;

a data collector that has multi-channels connectable to the attenuation probe at a ratio of 1;

1 and periodically stores input and output waveforms input in real time through the multi-channels, together with a sampling time and channel information for each waveform;

a waveform generator that not only reproduces the obtained waveform data into original waveforms through the multi-channels using the data collector but also synchronously reproduces the waveforms for each channel; and

an amplifier that amplifies the waveforms reproduced in the waveform generator.

16. A motor vehicle comprising the simulation test system for a vehicle electronic component of claim 1.

2. A simulation test method for a vehicle electronic component comprising a plurality of input and output ports, comprising:

(a) a process sharing, through a communication network, a database where waveform data for at least one sample component is sorted according to at least test conditions, wherein the waveform data are obtained in real time by a process collecting at least input waveforms of operating sample components electrically connected to the vehicle that are input to the input ports while driving the vehicle under specific test conditions, wherein the specific test conditions include at least one of a road on which the driving test is performed, a region, a climate, and driving conditions; and

(b) a process testing a state of the tested components by obtaining the specific waveform data in the database, reproducing the obtained waveform data into the original input waveforms, and inputting the reproduced waveforms to the input ports of the tested components.

3. The simulation test method of claim 2, wherein the database includes unusual waveform data of at least one sample component, the unusual waveform data being obtained through at least one of:

(c-1) a process simultaneously collecting the input and output waveforms of the operating sample component in real time in the state where they are electrically connected to the vehicle;

(c-2) a process obtaining the sample component information on a point in time of generation of the unusual output waveforms causing the erroneous operation of the sample components by analyzing the output waveforms; and

(c-3) a process extracting the input waveforms during a predetermined time after and before the point in time generating the unusual output waveforms using the information on the point in time.

4. The simulation test method of claim 3, wherein in the process (c-1), the input and output waveforms are collected through attenuation probes that are connected to each of the input and output lines electrically connecting the vehicle to the sample components;

and

in the process (b), the unusual waveform data are reproduced and amplified through the waveform generator and are then input to the input ports.

5. The simulation test method of claim 4, wherein in the process (b), the unusual waveform data are reproduced into the original waveforms through the waveform generator having the multi-channels.

6. The simulation test method of claim 3, wherein in the process (c-1), the input and output waveforms are collected from all the input and output lines that connect the input and output ports of the sample components to the vehicle.

7. The simulation test method of claim 3, wherein in the process (c-1), the input and output waveforms are collected through the data collector configured to sample the waveforms in real time through the multi-channels, add the sampling time and the channel information for each waveform to the sampled waveforms, and periodically store them.

8. A simulation test system for a vehicle electronic component comprising:

at least one attenuation probe;

a data collector that has multi-channels connectable to the attenuation probe and that periodically stores input and output waveforms for each waveform;

a waveform generator; and

an amplifier.

9. The simulation test system for a vehicle electronic component of claim 8, wherein the at least one attenuation probe is connected to input lines of operating sample components in a state where they are electrically connected to the vehicle.

10. The simulation test system for a vehicle electronic component of claim 8, wherein the multi-channels are connectable to the attenuation probe at a ratio of 1:

1.

11. The simulation test system for a vehicle electronic component of claim 8, wherein the data collector periodically stores input and output waveforms input in real time through the multi-channels, together with a sampling time and channel information for each waveform.

12. The simulation test system for a vehicle electronic component of claim 8, wherein the waveform generator reproduces the obtained waveform data into original waveforms.

13. The simulation test system for a vehicle electronic component of claim 8, wherein the waveform generator synchronously reproduces the waveforms for each channel.

14. The simulation test system for a vehicle electronic component of claim 12, wherein the waveform generator reproduces the obtained waveform data into original waveforms through the multi-channels using the data collector.

15. The simulation test system for a vehicle electronic component of claim 8, wherein the amplifier amplifies the waveforms reproduced in the waveform generator.

17. A motor vehicle comprising the simulation test system for a vehicle electronic component of claim 8.