Sensor LAB using MATLAB - MathWorks · Confidential | RBEI | 3/26/2014 | © Robert Bosch...
Transcript of Sensor LAB using MATLAB - MathWorks · Confidential | RBEI | 3/26/2014 | © Robert Bosch...
Confidential | RBEI | 3/26/2014 | © Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding any
disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Sensor LAB using MATLAB
Submitted by
Robert Bosch Engineering and Business Solutions Limited
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Confidential | RBEI | 3/26/2014 | © Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding any
disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Agenda
1 • Introduction
2 • Problem Statement
3 • Sensor Lab Overview
4 • Sensor Lab Architecture
5 • Work Flow
6 • Sensor Lab Case Study
7 • Sensor Lab Infrastructure
8 • Benefits
9 • Future Scope of Work
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Confidential | RBEI | 3/26/2014 | © Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding any
disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Introduction
Sensors play a Vital Role in
Automotive World
Validation of Various Automotive
sensors is essential during the
Product life cycle
Each sensors undergo different
kinds of validation like Performance
& Endurance testing
Software Tools are required to
Acquire, Analyze & Present(AAP)
Sensor Data
Sensors are devices that transform physical quantities such as pressure or
acceleration into output signals that serve as inputs for control systems.
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disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Problem Statement
Pain Areas
Search for Engineering Solutions
Low Productivity
Time to Market & Cost
Why Sensor
Lab
No predefined benchmark
available hence variety of tools to perform similar AAP activities across units
Sensor Data Mining & Data
Warehouse strategies
unavailable
No Standard Data Storage
Format Available
Distributed activities during
Sensor development
lifecycle across geographical
location
Huge effort & time involved during sensor validation life
cycle
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Sensor LAB
Sensor LAB Overview
Sensor NI Hardware Sensor LAB
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any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Sensor LAB Overview
• Sends trigger via DAQ Channels to
initialize start of Data Acquisition Sensor LAB
• Trigger will activate sensors
• DAQ channels are interfaced with sensors
NI-Hardware
• Sensors when activated sends the data to Sensor LAB tool through NI Hardware
• Data Collected is analyzed & Visualized using Sensor LAB tool Sensors
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disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Sensor Lab Architecture
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disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Work flow
Sensors •Lambda Sensors
•Pressure Sensors
•NVH Data
NI-Based
Hardware
Select Sensors
Required for
Validation
Configuration Setup •No. of Samples Required
•Channels for DAQ
•Sampling Rate
•Calibration Constants
•Other Parameters
AAP
Noise
Oxygen Content
Other Parameters
Offset
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Sensor LAB
Lambda-Sensors
Lambda Sensors or Oxygen sensors measures the
content of oxygen present in the exhaust gas
Lambda Sensors measures difference between the
amount of oxygen in the exhaust gas and the amount of
oxygen in air
Different types of Lambda Sensors are LSU4.9 &
LSU ADV
Calibration factors differs for each kind of sensors
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Sensor LAB
Lambda-Sensors Case Study
Sensor Lab tool to detect the list of all available DAQ
Channels during setup
Multiple Sensors can be configured & Validation can
be performed
Acquired Data is stored in required file formats for
post processing purposes
Data acquisition toolbox from MathWorks is used to
interface the NI based hardware
Supports for switching between sensors during
measurement
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Sensor LAB
Lambda-Sensors Measured Parameters
Pumping Current which is directly linked to the oxygen
content of the exhaust gas
Sensing element temperature
Pumping voltage
Engine speed
Load
Post processing of Acquired Data is performed using
AVID(Analysis & Visualization of Data) tool
Processed data is stored in .mat form
Sample Data
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Sensor LAB
Visualize all samples against selected one parameter
Visualize selected samples against selected one
parameter
Visualize one sample against selected parameters
Calculation of sensing element temperature from signal
UR
Calculation of O2-content from signal Ua
Save the visualized plot generated in .png format
Supports data loading and saving of lambda sensor data
in different file formats (.TXT,MAT,.XLS, .CSV)
Salient Features
Accurate analysis, easy and quick visualization
Performance improvement in the validation of the components
Client Benefits
Analysis & Visualization of Lambda Sensor data
Preprocessing of Lambda Sensor data
Visualization & Analysis of parameters & samples of
Lambda sensor data
Filtering of Lambda sensor data over defined time
interval
Load & Analyze data from multiple files & different formats
Need
Analysis and Visualization of Data for Lambda/Oxygen Sensors
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Sensor LAB
Lambda-Sensors Result Analysis Ip Vs Time Rie Vs Time
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Sensor LAB
Sensor LAB - Infrastructure
Matlab R2012b 1
Data Acquisition Toolbox 2
Signal Processing Toolbox 3
Matlab Compiler 4
Database Toolbox 5
Parallel Computing Toolbox 6
Automotive Sensors 7
NI Based Hardware 8
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Parameters With PCT Without
PCT
Computation
Time
(30-35%)
Accuracy
Handling
Large data
PCT refers to Parallel Computing Toolbox
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Sensor LAB
Benefits
One platform to perform Data Preprocessing & post processing
Sensor Lab tool can be configured for multiple sensors during test measurement
One layer to access all the generic base parameters of the sensors
Supports quick computation with the help of parallel computing toolbox
Performance improvement in the validation of the components
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disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Future Scope of Work
Sensor LAB to interface with few more Automotive Sensors
Sensor LAB to address more specific Analysis needs for individual Sensors
Interfacing with database & managing data
One Common layer for Visualization & Analysis Data
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any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Sensor LAB
Thank You for your Attention!
Any Questions?
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