Vehicle measurement apparatus having a system-on-a-chip device and a sensor

• US 9,076,275 B2
• Filed: 03/13/2013
• Issued: 07/07/2015
• Est. Priority Date: 03/13/2013
• Status: Active Grant

• Current Assignee: Bosch Automotive Service Solutions, Inc. (Robert Bosch GmbH)
• Original Assignee: Bosch Automotive Service Solutions, Inc. (Robert Bosch GmbH)
• Inventors: Chinnadurai, Manokar, Le Brun, Marco
• Primary Examiner(s): FREJD, RUSSELL WARREN
• Application Number:
  US13/801,346
• Publication Number:
  US 20140277827A1
• Time in Patent Office: 846 Days
• Field of Search: 701/1, 716/111, 716/138, 714/30, 714/726, 714/734, 734/88, 736/59
• US Class Current: 1/1
• CPC Class Codes: G01M 17/007 Wheeled or endless-tracked vehicles G01M17/08 takes precedence
• CPC Class Codes: G01R 31/3177 Testing of logic operation, e.g. by logic analysers
• CPC Class Codes: G01R 31/318519 Test of field programmable gate arrays [FPGA]
• CPC Class Codes: G01R 31/318536 Scan chain arrangements, e.g. connections, test bus, analog signals
• CPC Class Codes: G06F 11/26 Functional testing
• CPC Class Codes: G06F 11/27 Built-in tests
• CPC Class Codes: G06F 11/2733 Test interface between tester and unit under test
• CPC Class Codes: G06F 30/331 with hardware acceleration, e.g. by using field programmable gate array [FPGA] or emulation
• CPC Class Codes: G06F 30/34 for reconfigurable circuits, e.g. field programmable gate arrays [FPGA] or programmable logic devices [PLD]
• CPC Class Codes: G07C 2205/02 using a vehicle scan tool
• CPC Class Codes: G07C 5/008 communicating information to a remotely located station transmission systems for measured values G08C
• CPC Class Codes: G07C 5/0816 Indicating performance data, e.g. occurrence of a malfunction
• 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

Abstract

A vehicle measurement apparatus and a method for measuring vehicle data are provided. For example, the vehicle measurement apparatus includes a system-on-a-chip (SoC) device configured to integrate a programmable module with a microcontroller unit to receive vehicle data, process the vehicle data, and communicate the processed vehicle data to a remote computer.

Claims

1. An oscilloscope, comprising:

a circuit board, comprising;

a sensor; and

a programmable system-on-a-chip (SoC) device directly coupled to the sensor and programmed to implement;

a field programmable gate array to receive vehicle data from the sensor, and

a microcontroller unit to process the received vehicle data.

2. The oscilloscope of claim 1, wherein the sensor detects vibration or acceleration of at least a part of a vehicle.

3. The oscilloscope of claim 1, wherein the sensor is a micro-electromechanical system (MEMS) sensor.

4. The oscilloscope of claim 1, wherein the programmable SoC device is coupled to a wireless module to wirelessly transmit the processed vehicle data to a remote computer.

5. The oscilloscope of claim 1, wherein the circuit board further comprises a ground loop protection unit to protect the circuit board from a current loop in a ground path of the circuit board.

6. The oscilloscope of claim 1 further comprising:

a universal synchronous bus (USB) port coupled to the programmable SoC device; and

a battery to provide electrical power to the programmable SoC device, the battery being chargeable at a rate of up to 1.5 A through the USB port.

7. A method of measuring vehicle data using a vehicle measurement apparatus, the method comprising:

providing, in the vehicle measurement apparatus, a common circuit board including a system-on-a-chip (SoC) device directly coupled to a sensor;

receiving, at the SoC device, vehicle data sensed by the sensor;

processing, at the SoC device, the received vehicle data; and

communicating, using a wireless module in the vehicle measurement apparatus, the processed vehicle data to a computer.

8. The method of claim 7, wherein the vehicle data includes a vibration parameter or an acceleration parameter associated with a vehicle.

9. The method of claim 7, wherein the receiving step comprises receiving analog and digital signals at the SoC device.

10. The method of claim 7, wherein the processing step comprises performing digital signal processing on the received vehicle data.

11. The method of claim 7, wherein the vehicle data is associated with a vehicle, the method further comprising:

coupling the vehicle measurement apparatus to a part that is under a hood of the vehicle; and

displaying the processed vehicle data associated with the part on a display of the computer.

12. The method of claim 7 further comprising:

programming the SoC device via a universal serial bus (USB) port coupled to the SoC device and to the computer.

13. A wireless oscilloscope, comprising:

a system-on-a-chip (SoC) device programmed to implement a microprocessor integrated with a programmable module on a circuit board;

a micro-electromechanical system (MEMS) sensor on the circuit board and configured to provide vibration or acceleration data associated with a vehicle to the SoC device for processing, the MEMS sensor being directly coupled to the SoC device on the circuit board; and

a wireless module on the circuit board and coupled to the SoC device, the wireless module configured to wirelessly transmit the processed vibration or acceleration data received from the SoC device.

14. The wireless oscilloscope of claim 13, wherein the MEMS sensor is configured to measure the vibration or acceleration data associated with a part of the vehicle.

15. The wireless oscilloscope of claim 13, wherein the wireless module is a Bluetooth device.

16. The wireless oscilloscope of claim 13 further comprising:

a universal synchronous bus (USB) port coupled to the SoC device to send the processed vibration or acceleration data to a remote computer over a wired communication channel; and

a ground loop protection unit coupled to the USB port to prevent a current loop from damaging the wireless oscilloscope.

17. The wireless oscilloscope of claim 13 further comprising:

a probe to measure the vibration or acceleration data of a part of the vehicle.

18. The wireless oscilloscope of claim 13, wherein the wireless oscilloscope is couplable to a part under a hood of the vehicle, and wherein the processed vibration or acceleration data of the part is displayed on a display of a remote computer.

19. The wireless oscilloscope of claim 13 further comprising:

a universal synchronous bus (USB) port coupled to the SoC device; and

a battery to provide electrical power to the SoC device, the battery being chargeable at a rate of up to 1.5 A through the USB port.

20. A vehicle measurement apparatus, comprising:

a system-on-a-chip (SoC) device configured to integrate a programmable module with a microcontroller unit to receive vehicle data for a vehicle from a sensor directly coupled to the SoC device on a common circuit board, process the vehicle data, and communicate the processed vehicle data to a remote computer.