Data Logging and Realtime Visualization Strategies for complex vehicle testing Testing Expo Stuttgart 2013-06-05 kurt.ramsdorf@tttech-automotive.com Copyright TTTech Computertechnik AG. All rights reserved.
Content of the Presentation Use Cases for Data Visualization Requirements TTTech Solution Concept Summary Copyright TTTech Computertechnik AG. All rights reserved. Page 2
Use Cases for Data Visualization Quick check of measurement setup Executive presentation during test drive Test driver guidance Interface to test management Copyright TTTech Computertechnik AG. All rights reserved. Page 3
Use Case Quick Check: Typical Logging Process Set up measurement In Garage / Lab Perform test drive Analyze data On the road In Garage / Lab Ok? Copyright TTTech Computertechnik AG. All rights reserved. Page 4
Process with Data Visualization Check Check Set up measurement Perform test drive Analyze data Adjust setup In Garage / Lab On the road In Garage / Lab Copyright TTTech Computertechnik AG. All rights reserved. Page 5
Use Case Executive Presentation Demonstrate vehicle processes which are normally not visible to the driver Manipulate the characteristics of the test vehicle Give an executive in a test drive a good feeling everything works Copyright TTTech Computertechnik AG. All rights reserved. Page 6
Use Case Driver Guidance speed time Copyright TTTech Computertechnik AG. All rights reserved. Page 7
Use Case Interface to Test Management Describe driving scenarios on a formal base (Test Case) Load Test Cases into the data logger inside the test vehicle Present the test cases to the driver Let the test driver choose a scenario Guide the driver through the scenario Store the measured test results in the test management system Copyright TTTech Computertechnik AG. All rights reserved. Page 8
Data Visualization Main Requirements Modern small tablet computers shall be used as visualization platforms Data must be displayed without visible delay (20..50ms) Streaming of measurement data shall not disturb the logging process Freely configurable instruments Copyright TTTech Computertechnik AG. All rights reserved. Page 9
Data Visualization Main Requirements User interface with actions / buttons Configuration changeable on-the-fly Configuration based on a structured language (XML) All logged data can be displayed including data acquired via XCP/CCP Copyright TTTech Computertechnik AG. All rights reserved. Page 10
Solution Concept: HW for Visualization Automotive -40..+75 C evision 2-40..+75 C WLAN module ios, Android Copyright TTTech Computertechnik AG. All rights reserved. Page 11
Solution Concept: SW Architecture (Web Server) Configuration Logger System SW API Web Server Extension Web Server HTTP/JS, TCP (Linux) Web Browser HTTP, TCP (ios. Android, ) SSD, CF network Copyright TTTech Computertechnik AG. All rights reserved. Page 12
Solution Concept: SW Architecture (FTC) Configuration rpm Km/h 172.16.0.66 Logger System SW API FTC APP Graphical Interpreter TCP (Linux) TCP (ios. Android, SSD, CF network Copyright TTTech Computertechnik AG. All rights reserved. Page 13
Screenshot (Web Server) Copyright TTTech Computertechnik AG. All rights reserved. Page 14
Summary Online Visualization saves costs: 1. Less space in the test vehicle 2. On-the-fly configuration check 3. Effective test execution driver guidance The TTX Datalogger offers data visualization It is a powerful logging platform It is an open platform which can be easily extended Copyright TTTech Computertechnik AG. All rights reserved. Page 15
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