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Creating a world fit for the future
Ricardo Objective Assessment & Monitoring Tool (R-OAM)Reduced development cost and time to market
R-OAMRicardo Objective Assessment & Monitoring
ricardo.com
Ricardo Objective Assessment & Monitoring Tool (R-OAM)3
Contents:
3 Ricardo R-OAM Data Analysis Software Tool
4 R-OAM Overview
5 R-OAM Analysis Process
6 R-OAM Toolboxes
7 R-OAM Toolboxes & Recommended Data Logging Hardware
Ricardo Objective Assessment & Monitoring Tool (R-OAM) 3
What is R-OAM?R-OAM is a flexible analysis tool that uses automated event detection to create objective measures of vehicle attributes from test or simulation data. It offers reduced development efforts fitting with increasingly reduced project timeframes.R-OAM is a modular system based around a core software module that can support a variety of toolboxes aligned to specific activities.Low costAffordable and significantly lower pricing over similar systems.FastIntelligent automated analysis of data acquired from either vehicle testing or simulation software reduces overall development time.FlexibleR-OAM has a flexible, modular structure allowing additional toolbox extensions to the core software for future expansion and customisation.Experience-basedDeveloped from over 25 years of vehicle attribute development and characterisation.
R-OAM client benefitsReduced development costUsing recorded CAN data minimises acquisition set-up time, and automated event detection dramatically reduces analysis time and cost. Value added dataR-OAM reduces attribute development process steps allowing the engineer to focus on the improvement of driver experience.Increased consumer satisfactionR-OAM enables improved subjective performance through real objective data comparison with target data.
Ricardo R-OAM Data Analysis Software Tool
Example Toolbox 1
Vehicle Driveability
Automated Shift Quality Additional
CustomToolbox 1
ExampleToolbox 4
Motorcycle
ExampleToolbox 1
Electric Vehicle
ExampleToolbox 3 Thermal
Core Software
Data Acquisition
and Simulation R-OAM
Ricardo Objective Assessment & MonitoringMarket concerns• Vehicle development costs
• Increasing vehicle complexity
• Emissions legislation
• Societal pressures
• Vehicle quality
• Driving experience
R-OAM• Rapid, flexible data analysis
• Parallel analysis of simulation and real world testing
• Raw data processed into fundamental attribute measures
• Objective data comparison
Result• Reduced time to market
• Reduced development cost
• Improved driver experience
Ricardo Objective Assessment & Monitoring Tool (R-OAM)4
R-OAMRicardo Objective Assessment & Monitoring
R-OAM OverviewFor over 20 years Ricardo has built a wealth of deep attribute experience in vehicle behaviour across a broad range of applications. This experience and understanding has been used to develop R-OAM; Ricardo’s Objective Assessment and Monitoring tool.
Input selection
• Define standardised measures to calculate in analysis such as;
- Engine RPM - Battery voltage - Wheel speed(s) - G-forces - Pedal positions
• Select key channels for event detection
Raw data
• Raw data import from; - Multiple loggers including Influx, ASAM MDF, CSV, MATLAB .MAT file formats - Simulation data
• Benchmarking tests
• In-field data
• GPS integration
• Internal to logger or external accelerometer to measure vehicle acceleration in X, Y, Z
Event identification
• R-OAM automatically selects events such as;
- Gear shift (automatic) - Pull away - Acceleration - Regen braking - Steady state cruise - Creep
• User validation of metric definition points
Objective Analysis
• Compare measure results against target
• Data plotting
• Graphical interpretation
• Presentation of results
• Easy data export
• Plot test route maps
Ricardo Objective Assessment & Monitoring Tool (R-OAM) 5
Software Features
R-OAM Analysis Process
Data plottingEvents detail
Measures & constants
Raw data
Data analysis• User selected measures and user defined
constants influence the analysis process, giving the user full control
• Advanced automatic event detection, with picked key points, that are user adjustable
• Events panel allows multiple events to be quickly reviewed and adjusted. Measures are recalculated if pick points are moved by the user
Data presentation and export• Raw data channels viewer with editing
of units, scale, offset and low pass filter settings
• Metrics, shift maps & driver response matrix plots & tables
• Export data & measures to Excel, CSV or MATLAB for statistical analysis and output
ECU, accelerometer, GPS data
Data recorded via laptop
Import common CAN logger file types
Select key channels for event detection
Define measures to calculate in analysis
Automated detection of events
Analysis & validation of metrics
Report analysis results
Export measure results
Statistical measure analysis
Raw data viewer
Events detail panel
Measures & constants panel
Data plotting
Ricardo Objective Assessment & Monitoring Tool (R-OAM)6
R-OAM Toolboxes
R-OAM Automated Transmission ToolboxAutomated shift event detection for automated transmissions• Torque interrupt transmissions (e.g. AMT)
• Continuous torque transmissions (e.g. DCT)
Gear shift analysis• Power-on/power-off up/down shifts
• Static shifts, creep, launch
• Response to pedal input
• Start/Idle in P/R/N/D and mode changes
Shift mapping• Shift maps and vehicle response maps
• Understand subjective feedback better
• Export shift data for statistical analysis
Objectively assess subjective behaviour • Comfort, sportiness, speed, input delays, feel
• Objectively understand event behaviours
• Benchmark performance
R-OAM Motorcycle Toolbox - applied to conventional manual motorcycle transmissions
Motorcycle specific channels & analysis• Detect & analyse gearshifts
• Shift & clutch lever forces
• Lever positions
• Throttle input
• Accelerations
• Acceleration oscillation
Objectively assess subjective behaviour• Shift lever travel, effort, freeplay
• Motorcycle response such as vehicle oscillation
Simple event identification GPS integration Target setting
• Easy identification of events of interest in data:
• Power-on / power-off shift• Static shift• Launch• Creep• Coastdown• Manually requested shift• Response to pedal input
• Metrics used for objective comparison of vehicle behaviour:
• Initial acceleration• Ratio change jerk• Oscillation peak to peak• Oscillation peak jerk• Response delay• Torque interrupt time• Engine speed Rate of
change• Torque roll-off rate• Creep speed
• Records vehicle location throughout tests
• Display route on down-loaded map
• Colour code route according to data
- Speed - Gear - Acceleration
• Facilitates quick and efficient benchmarking of competitor vehicles
• Driver response matrix• Shift maps• Engagement jerk• Disengagement jerk• Manual shifts• Shift frequency• Creep• Launch• Roll out shifts
Measures
Ricardo Objective Assessment & Monitoring Tool (R-OAM) 7
R-OAM Toolboxes
R-OAM Electric Vehicle Toolbox (coming soon)User specified driving cycle energy analysis• Energy flow analysis of test route, considering speed,
elevation, acceleration
• Analyse data from Dyno tests (WLTP, NEDC etc)
• Electrical consumption analysis, considering the battery, DCDC converter, inverter / motor (Watt-Hours, Watt-hours/km), as well as the mechanical power at the wheels in traction state
• Powertrain efficiency (motor / inverter, DCDC converter, braking system / regen)
Battery analysis• Internal resistance
• Heat losses
Auxiliary component consumption• HV – Battery cooling, cabin cooling
• LV – Fans, lights, infotainment
Driveability measures and events• Regen behaviour (e.g. one-pedal driving)
• Pedal response maps
• Cruise behaviour
Ricardo do have a recommended equipment list for clients without a suitable acquisition system. This recommendation gives a complete solution for data acquisition for R-OAM analysis;• Influx Rebel CT4 or CT FlexRay Logger - Including optional upgrades such as GPS, internal accelerometer, and mobile data streaming if required
- DiaLog configuration software license, hardware and software maintenance, and technical support contract
• Influx RebelDash Windscreen Information Display• Kvaser T-Cannector• Cables - OBD to 9-pin D-Sub
- Influx Rebel Multi-Connect
- 9-pin D-Sub cables for T-Cannector
- 9-pin D-Sub gender changers
• Optional Extras• Influx K-AN8 – for 8 channel 16 bit analogue data
acquisition
• Influx K-Box – 8 channel analogue 16 bit data acquisition plus 8 channels of thermocouple acquisition, plus digital I/O lines
• Influx K-BoB – BNC breakout box for K-Box or K-An8
• FlexRay Splitter Cable
• Uniax and/or Triax Accelerometer (+BNC Cables), for example PCB 3713E112G
Recommended Data Logging Hardware
For any specific questions relating to R-OAM, or to discuss your business needs and requirements, please email:
Or visit ricardo.com and search for R-OAM
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R-OAMRicardo Objective Assessment & Monitoring