Vibration monitoring device for vehicle components

• US 10,366,550 B2
• Filed: 02/02/2015
• Issued: 07/30/2019
• Est. Priority Date: 01/31/2014
• Status: Active Grant

• Current Assignee: Cambridge Solutions Limited (DXC Technology Company)
• Original Assignee: Cambridge Solutions Limited (DXC Technology Company)
• Inventors: Lawrie-Fussey, Thomas, Edgcombe, Jonathan
• Primary Examiner(s): Melton, Todd M
• Application Number:
  US15/115,585
• Publication Number:
  US 20170069144A1
• Time in Patent Office: 1,639 Days
• CPC Class Codes: G06Q 10/00 Administration; Management
• CPC Class Codes: G06Q 10/083 Shipping
• CPC Class Codes: G06Q 10/0832 Special goods or special handling procedures, e.g. handling of hazardous or fragile goods
• CPC Class Codes: G06Q 10/0833 Tracking
• CPC Class Codes: G06Q 10/20 Administration of product repair or maintenance
• 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: G07C 5/085 using electronic data carriers
• CPC Class Codes: H04W 4/027 using movement velocity, acceleration information
• CPC Class Codes: H04W 4/029 Location-based management or tracking services
• CPC Class Codes: H04W 4/46 for vehicle-to-vehicle communication [V2V]
• CPC Class Codes: H04W 4/48 for in-vehicle communication

Abstract

A monitoring apparatus provides vehicle telematics data. The monitoring apparatus includes a sensor for sensing vehicle and engine motion induced vibration in part of a vehicle and for generating vibration associated data. The sensor is coupled to part of the vehicle. Engine motion induced vibration associated data is processed to extract a characteristic of the vehicle or the engine.

Claims

1. A monitoring apparatus for providing vehicle telematics data, the apparatus comprising:

at least one sensor for sensing vehicle and engine motion induced vibration in part of a vehicle and for generating vibration associated data, the at least one sensor being adapted to be coupled to said part of said vehicle;

a processor for processing said vehicle and engine motion induced vibration associated data to generate processed data representing at least one characteristic of said vehicle or engine; and

a transceiver for communicating said processed data representing at least one characteristic of said vehicle or engine to a communication device for use in compiling telematics data for said vehicle;

wherein the apparatus has a first data acquisition mode and a second data acquisition mode, power consumption of the apparatus being relatively higher in the second data acquisition mode than the first data acquisition mode;

wherein said processor is configured to;

identify at least one vehicle related event from said vehicle and engine motion induced vibration associated data;

determine a respective vehicle related event type for each identified event;

determine whether a change from one of the first and second data acquisition modes to the other of said first and second data acquisition modes should be triggered based on said determination of a respective event type for each identified event; and

trigger said change from said one of the first and second data acquisition modes to the other of said first and second data acquisition modes when a determination is made that said change should be triggered;

wherein, in the second data acquisition mode, the apparatus is configured to do at least one action from the following group of actions;

read sensor data at an increased rate relative to the first data acquisition mode in order to gather sensor data;

send a communication signal at an increased rate relative to the first data acquisition mode for establishing a connection for transmitting data;

select a different power-management algorithm relative to the first data acquisition mode; and

choose an alternative service flow/communication protocol method relative to the first data acquisition mode; and

wherein said processor is configured to perform a preliminary analysis on acquired data, prior to storing any acquired data for subsequent transmission, and based on the analysis, to determine whether at least one specific event has occurred and based on a determination that the at least one specific event has occurred, to determine that the acquired data should be stored.

2. The monitoring apparatus according to claim 1, wherein the apparatus, by virtue of having a weight of less than 100 g, is sufficiently lightweight to allow the at least one sensor to sense said vehicle induced vibration in said part of said vehicle with sufficient sensitivity for the processor to detect, from said vehicle motion induced vibration, at least one event affecting said vehicle that occurs whilst the vehicle is stationary with the engine off.

3. The monitoring apparatus according to claim 1, wherein said apparatus comprises a power supply and wherein the apparatus has a weight of less than 100 g including said power supply.

4. The monitoring apparatus according to claim 1, wherein said processor is adapted to process said vibration associated data to provide processed data representing at least one characteristic of said vehicle or engine comprising at least one characteristic from the following group of characteristics:

engine revolutions per minute (RPM), wheel RPM, currently engaged gear, idle frequency, stroke cycle, number of cylinders, vehicle speed, engine type and/or vehicle type.

5. The monitoring apparatus according to claim 1, wherein said processor is adapted to process said vibration associated data to provide said processed data representing at least one characteristic of said vehicle or engine in a format that requires further processing, by at least one of said communication device and another device to derive said characteristic of said vehicle or engine for use in compiling telematics data for said vehicle.

6. The monitoring apparatus according to claim 1, wherein said processor is adapted to detect at least one vehicle related event based on said vibration data.

7. The monitoring apparatus according to claim 1, wherein said at least one sensor is adapted to be coupled to, to sense vehicle and engine motion induced vibration in, and to generate vibration associated data for, a part of said vehicle comprising at least one from the following group of parts:

a windshield, a body part, and/or a part of a vehicle chassis.

8. The monitoring apparatus according to claim 1, wherein said at least one sensor is adapted to sense vehicle motion in a plurality of different dimensions and to provide associated motion data for said plurality of different dimensions.

9. The monitoring apparatus according to claim 8, wherein said processor is adapted to derive an orientation of said motion data to a longitudinal axis representing vehicle motion in a forward/reverse direction and a lateral axis representing vehicle motion in a lateral direction when, in use, the vehicle begins to move after being stationary.

10. The monitoring apparatus according to claim 9, wherein said processor is adapted to maintain said orientation of said motion data to the longitudinal axis and the lateral axis for at least some future occasions when, in use, the vehicle begins to move after being stationary.

11. The monitoring apparatus according to claim 8, wherein said processor is adapted to derive an orientation of said motion data to a vertical axis based on a gravitational force.

12. The monitoring apparatus according to claim 1, wherein said at least one sensor is adapted to sense other vehicle motion and to output associated data;

and said processor is adapted to process other vehicle motion associated data and to generate processed data representing at least one characteristic of said vehicle.

13. The monitoring apparatus according to claim 12, wherein said processor is adapted to process said other vehicle motion associated data to provide processed data representing at least one event affecting said vehicle, the at least one event comprising at least one event from the following group of events:

an acceleration event, an impact event whilst the vehicle is stationary and the engine is off, a motion event whilst the vehicle is stationary and the engine is on, a door opening or closing event, and an impact whilst moving event; and

wherein said transceiver is adapted to communicate said processed data representing at least one event affecting said vehicle to the communication device for use in compiling telematics data for said vehicle.

14. The method of monitoring vehicle telematics data using the monitoring apparatus of claim 1, the method comprising:

sensing, at the sensor of the monitoring apparatus, vehicle and engine motion induced vibration in part of a vehicle to which the sensor is coupled and generating vibration associated data;

processing, at the processor of the monitoring apparatus, said vehicle and engine motion induced vibration associated data to generate processed data representing at least one characteristic of said vehicle or engine; and

communicating, using the transceiver of the monitoring apparatus, said processed data representing at least one characteristic of said vehicle or engine to a communication device for use in compiling telematics data for said vehicle.

15. The computer program product comprising computer implementable instructions for putting the method of claim 14 into effect when executed on a programmable device.

16. Monitoring apparatus for providing vehicle telematics data, the apparatus comprising:

at least one sensor for sensing vehicle and engine motion induced vibration in part of a vehicle and for generating vibration associated data, the at least one sensor being adapted to be coupled to said part of said vehicle;

a processor for processing said vehicle and engine motion induced vibration associated data to generate processed data representing at least one characteristic of said vehicle or engine; and

a transceiver for communicating said processed data representing at least one characteristic of said vehicle or engine to a communication device for use in compiling telematics data for said vehicle;

wherein the apparatus has a first data acquisition mode and a second data acquisition mode, the power consumption of the apparatus being relatively higher in the second data acquisition mode than the first data acquisition mode;

wherein said processor is configured to;

identify at least one vehicle related event from said vehicle and engine motion induced vibration associated data;

to determine a respective vehicle related event type for each identified event;

to determine whether a change from one of the first and second data acquisition modes to the other of said first and second data acquisition modes should be triggered based on said determination of a respective event type for each identified event; and

to trigger said change from said one of the first and second data acquisition modes to the other of said first and second data acquisition modes when it is determined that said change should be triggered;

wherein, in the second data acquisition mode, the apparatus is configured to do at least one action from the following group of actions;

read sensor data at an increased rate relative to the first data acquisition mode in order to gather sensor data;

send a communication signal at an increased rate relative to the first data acquisition mode for establishing a connection for transmitting data;

select a different power-management algorithm relative to the first data acquisition mode; and

choose an alternative service flow/communication protocol method relative to the first data acquisition mode; and

wherein said processor is adapted to generate said processed data based on a frequency analysis of said vibration.

17. Monitoring apparatus for providing vehicle telematics data, the apparatus comprising:

at least one sensor for sensing vehicle and engine motion induced vibration in part of a vehicle and for generating vibration associated data, the at least one sensor being adapted to be coupled to said part of said vehicle;

a processor for processing said vehicle and engine motion induced vibration associated data to generate processed data representing at least one characteristic of said vehicle or engine; and

a transceiver for communicating said processed data representing at least one characteristic of said vehicle or engine to a communication device for use in compiling telematics data for said vehicle;

wherein the apparatus has a first data acquisition mode and a second data acquisition mode, the power consumption of the apparatus being relatively higher in the second data acquisition mode than the first data acquisition mode;

wherein said processor is configured to;

identify at least one vehicle related event from said vehicle and engine motion induced vibration associated data;

to determine a respective vehicle related event type for each identified event;

to determine whether a change from one of the first and second data acquisition modes to the other of said first and second data acquisition modes should be triggered based on said determination of a respective event type for each identified event; and

to trigger said change from said one of the first and second data acquisition modes to the other of said first and second data acquisition modes when it is determined that said change should be triggered;

wherein in the second data acquisition mode, the apparatus is configured to do at least one action from the following group of actions;

read sensor data at an increased rate relative to the first data acquisition mode in order to gather sensor data;

send a communication signal at an increased rate relative to the first data acquisition mode for establishing a connection for transmitting data;

select a different power-management algorithm relative to the first data acquisition mode; and

choose an alternative service flow/communication protocol method relative to the first data acquisition mode; and

wherein the processor is configured to;

generate a profile of data from the sensor;

wherein said triggering of a change from said one of the first and second data acquisition modes to the other of said first and second data acquisition modes comprises triggering a power management component configured to vary a duty cycle in dependence upon said profile between said one of the first and second data acquisition modes and the other of said first and second data acquisition modes.

18. Monitoring apparatus for providing vehicle telematics data, the apparatus comprising:

at least one sensor for sensing vehicle and engine motion induced vibration in part of a vehicle and for generating vibration associated data, the at least one sensor being adapted to be coupled to said part of said vehicle;

a processor for processing said vehicle and engine motion induced vibration associated data to generate processed data representing at least one characteristic of said vehicle or engine; and

a transceiver for communicating said processed data representing at least one characteristic of said vehicle or engine to a communication device for use in compiling telematics data for said vehicle;

wherein the apparatus has a first data acquisition mode and a second data acquisition mode, the power consumption of the apparatus being relatively higher in the second data acquisition mode than the first data acquisition mode;

wherein said processor is configured to;

identify at least one vehicle related event from said vehicle and engine motion induced vibration associated data;

to determine a respective vehicle related event type for each identified event;

to determine whether a change from one of the first and second data acquisition modes to the other of said first and second data acquisition modes should be triggered based on said determination of a respective event type for each identified event; and

to trigger said change from said one of the first and second data acquisition modes to the other of said first and second data acquisition modes when a determination is made that said change should be triggered;

wherein, in the second data acquisition mode, the apparatus is configured to do at least one action from the following list of actions;

read sensor data at an increased rate relative to the first data acquisition mode in order to gather sensor data;

send a communication signal at an increased rate relative to the first data acquisition mode for establishing a connection for transmitting data;

select a different power-management algorithm relative to the first data acquisition mode; and

choose an alternative service flow/communication protocol method relative to the first data acquisition mode; and

wherein said processor is configured to determine when an acceleration threshold has been exceeded, and to trigger said change from said one of the first and second data acquisition modes to the other of said first and second data acquisition modes, when a determination is made that an acceleration threshold has been exceeded.

19. Monitoring apparatus for providing vehicle telematics data, the apparatus comprising:

at least one sensor for sensing vehicle and engine motion induced vibration in part of a vehicle and for generating vibration associated data, the at least one sensor being adapted to be coupled to said part of said vehicle;

a processor for processing said vehicle and engine motion induced vibration associated data to generate processed data representing at least one characteristic of said vehicle or engine; and

a transceiver for communicating said processed data representing at least one characteristic of said vehicle or engine to a communication device for use in compiling telematics data for said vehicle;

wherein the apparatus has a first data acquisition mode and a second data acquisition mode, the power consumption of the apparatus being relatively higher in the second data acquisition mode than the first data acquisition mode;

wherein said processor is configured to;

identify at least one vehicle related event from said vehicle and engine motion induced vibration associated data;

to determine a respective vehicle related event type for each identified event;

to determine whether a change from one of the first and second data acquisition modes to the other of said first and second data acquisition modes should be triggered based on said determination of a respective event type for each identified event; and

to trigger said change from said one of the first and second data acquisition modes to the other of said first and second data acquisition modes when a determination is made that said change should be triggered;

wherein, in the second data acquisition mode, the apparatus is configured to do at least one action from the following list of actions;

read sensor data at an increased rate relative to the first data acquisition mode in order to gather sensor data;

send a communication signal at an increased rate relative to the first data acquisition mode for establishing a connection for transmitting data;

select a different power-management algorithm relative to the first data acquisition mode; and

choose an alternative service flow/communication protocol method relative to the first data acquisition mode; and

wherein said processor is configured to determine an orientation of at least one accelerometer axis, relative to at least one axis of the vehicle, before generating processed data based on acceleration thresholds that are respectively different in different directions.