SIMULATION AND DATA XPERIENCE AVL Solutions Overview in context of RDE AVL List GmbH Dr. F. Pfister, Dr. C. Schyr, Dr. T. Düser, B. Schick, Dr. B. Behr
CHALLENGES OF REAL DRIVING EMISSION Real Driving Emission mandatory for EURO 6c. 7 April 216 2
RDE TESTING & ANALYSIS Velocity - km/h Torque - Nm Throttle - % Velocity - km/h Torque - Nm Altitude - m NOx - ppm NOx - ppm 1 5 3 2 1-1 15 1 5 NOx Peaks with Acceleration & Purging NOx Torque 22 23 24 25 26 27 28 Time [s] 15 1 5 1 5 4 2 Relevance: Map Transients Event History Engine Speed - rpm Pedal - % 65 55 45 35 3 2 1-1 15 1 5 NOx Peak after downhill drive cooled down EAS NOx Altitude Torque 3 31 32 33 34 35 36 Time - s 8 6 4 2 1 5 4 2 Engine Speed - rpm Pedal - % Event selection Threshold limit for emission Stationary Map Condition (Event 1) Torque standard deviation < x Nm Gas standard deviation < x % Transient Condition (Event 2) Torque standard deviation > x Nm Gas standard deviation > x % Event History (Event 3) If not event 1 or 2 7 April 216 3
REAL WORLD EMISSION - INFLUENCES Air Temperature Wind and Sidewind Predictive Energy Management Tire Pressure Vehicle Load Air Pressure And Humidity Road Gradient Predictive Energy Management Road Curvature Connected Driving Traffic Calibrating the Powertrain To the People Advanced Driver Assistance Systems Driving Style (aggressive, defensive, moderate) 7 April 216 4
GOAL: FRONTLOADING OF RDE WITH MODEL-BASED TESTING METHODS Comparable Results 7 April 216 5
RDE USE CASES UC-2: RDE Reference Cycles RDE: Real driving emission test Development Type Approval COP In-Service Compliance UC-3: Virtual Integration Chassis Dyno RDE Chassis Dyno RDE UC-1: Reproduction and Analysis 7 April 216 6
base for virtual road catalogue (ref. cycles) WORKFLOW RDE - PRINCIPLE 2 Road and profile generation M.O.V.E to SSQ for igem Vehicle 1 Proceed as usual using M.O.V.E 3 Parameterization and Activation in IGEM Vehicle Tool-Chain using the Pre Test Dialog 4 M.O.V.E and PEMS on the Chassis Dynamometer SADA XP with road gradient visualization virtual road simulated test as usual with parameter studies to get robustness Post processing as usual, also trackbased evaluation 5 7 April 216 7
USE CASE: RDE CHASSIS DYNO & ENGINE TESTBED AT TÜV SÜD & TU DARMSTADT https://www.springerprofessional.de/mtz-worldwide-2-215/611712 7 April 216 8
USE CASE: RDE ON A HIGH-DYNAMIC ENGINE TESTBED Customer Use Case BOSCH - ATZ Extra September 215 - Gerstenberg / Hartlief / Tafel 7 April 216 9
USE CASE: DRIVING CUBE LK Concept phase Series development System Simulation Model/Hardware-based Testing Road- and traffic models Sensor models 7 April 216 1
USE CASE: DRIVING NET TU ILMENAU 7 April 216 11
USE CASE: VIRTUAL TEST BED FOR CALIBRATION I/O Actuators: e.g.: Throttle body, injectors, EGR valve, real ECU real Loads Closed Loop Full Size HiL System Sensors: e.g.: Pressures, Temperatures, Speeds, AirFuelRatio, 7 April 216 12
Test Bed Integration Library Simulation Integration Library TECHNOLOGY OUTLOOK: MODULAR SIMULATION KIT - OVERVIEW OF TOOLS Shared Model Library Standardized Model Config.??? E-Motor TB CarSim SIM Battery TB CarMaker SIM Engine TB Stähle SIM PT TB VSM SIM CD TB? SIM Model.CONNECT RT ARTE.Lab 4 TM RT Platform and Hardware (INtime, ARTE)? 7 April 216 13
DATA MANAGEMENT SOLUTIONS: REAL-TIME CONSISTENCY & REPORTING RDE Road Measurement RDE Testing on Chassis Dyno RDE Testing and Calibration on ETB RDE Calibration on Virtual Test Bed.. INCA M.O.V.E. igem M.O.V.E. INCA.. PUMA igem INCA.. PUMA CRUISE M.. File Formats, Norm Names, Time Sync, Sample Rate, Filter, Offset/Drifts.. INCA M.O.V.E. igem PUMA Intelligent Load Ramps Concerto Script Interpreter CANape CRUISE M CarMaker VSM AVL SANTORIN MX 2 TM Measurement Data Management and Navigator Automated Server Based Post-Processing AVL CONCERTO 4 TM Data Processing Platform Concerto for RDE Concerto for Calibration Concerto for SimGenEasy Concerto for Indication Concerto for igem PC based Post-Processing and Visualization 7 April 216 14
SUMMARY Early and preventive troubleshooting Reproducibility + parameter studies Efficient variant tests Reduction of calibration efforts Reuse of knowledge, e.g. RDE libraries Driver Model Driving style Normal Defensive Eco Aggressive Vehicle Model RDE Road Measurement Variation of Air Resistance cwa Rolling resistance Rotating inertias Brake losses etc. RDE Testing on Chassis Dyno Road / Environment Model RDE Testing and Calibration on ETB Characteristics Traffic Weather Wind Gradient Curvature Etc. RDE Calibration on Virtual Test Bed 7 April 216 15
TEST DRIVING STARTS NOW 7 April 216 16