Heavy Truck Event Data Recorders and New Technology in Accident Analysis. After Market Recorders

Transcription

1 Heavy Truck Event Data Recorders and New Technology in Accident Analysis James R. Hrycay, M.A. Sc., P.Eng Sebastian A.B. van Nooten, P.Eng HRYCAY Consulting Engineers Cadec Centrodyne XATA Qualcomm Tripmaster After Market Recorders VDO UDS Zepco Road Safety Tacholink Most Engines on newer Heavy Duty trucks have the ability to keep historical data and generate event reports CLASS 8 Truck Manufacturers Freightliner Group Freightliner Sterling Western Star

2 PACCAR Peterbilt Kenworth International Mack Volvo Independent Engine Manufactures CATERPILLAR CUMMINS DETROIT DIESEL (now owned by Freightliner/Mercedes Engine and Chassis Manufactures Mack Volvo Mercedes (installed in Freightliner group) International Information Collected: Calibration Information Diagnostic Data Trip Data Maintenance Scheduling Data Event/Incident Data Audit Trail Data ECM Data was intended for: Defining the operational ranges for the engine and vehicle Diagnosing Engine Faults

3 Fleet Management Software is designed as: Mechanic s Tool Laptop Hand-held like a Palm Pilot Fleet Manager s Tool Laptop or Desktop DETROIT ENGINES Hardware DDEC II/III/IV/V Software DDDL DDEC Reports DDDS Pro Driver Reports Pocket Diagnostic Link (PDL) Many People are Familiar With Detroit Diesel Engine Controls Class and laboratory training on the truck engines at DDC s world headquarter s training center. Widely discussed at Industry Seminars DETROIT ENGINES

4 Reports of Interest Last Stop Hard Brake Incidents Diagnostic Record DETROIT ENGINES What Triggers A Last Stop Record? Vehicle is stopped for more than 15 seconds As indicated by both the RPM reading and VSS reading DETROIT ENGINES What last stop data is stored? The 15 seconds after the last stop is triggered and the previous 1 min 45 seconds prior What Triggers a Hard Brake Incident? Whenever the vehicle deceleration exceeds a preprogrammed rate The rate typically set is 7mph/second What data is stored in a hard brake?

5 15 seconds after the hard brake is triggered and 1 minute prior to it being triggered. How long is the hard brake incident stored? The last 2 hard brake incidents are stored indefinitely Each new incident just over writes the first or oldest incident CUMMINS ENGINES Hardware Interact Software Insite Inform/Inspec Quick Check CUMMINS ENGINES Incident Reports ONLY available with a seldom chosen Road Relay option. Panic Stop similar to Detroit s Hard Brake report Cummins Road Relay

6 CAT ENGINES Hardware- Advanced Diesel Engine Management (ADEM) on C-Series Engines Software: FIS (Fleet Information Software) ET (Electronic Technician) Pocket Tech CAT ENGINES Event/Incident Reports Quick Stop Snap shots CAT ENGINES SNAP SHOT Triggered by an event such as: Electrical power interrupted to the ECM Very low oil pressure Very high coolant temperature etc Reports 9.12 seconds prior to the event and 3.36 seconds after in 0.48 second intervals. CAT ENGINES

7 QUICK STOP Similar to Detroit s Hard Brake report Default trigger setting or Quick Stop Rate out of the factory is set to 0 mph/sec --- Therefore no report will be generated!!! Default seldom changed by owner MACK ENGINES Hardware: V-MAC III for E-Tech and ASET engines Software: VMAC Support Software Customer Programming Service Diagnostics InfoMax MACK Incident Report Triggered by: Speed changes of greater than 10 mph/sec RPM changes of greater than 50/sec Last two incidents stored InfoMax software automatically clears the incidents after download MACK Incident Reports DEFAULT Settings: 15.8 seconds prior to incident 16 seconds after incident

8 0.2 second increments Vehicle Speed, Engine Speed, Brake, Clutch, Cruise, Engine Brake, Park Brake and Key Switch data. VOLVO ENGINES Volvo software Dynafleet 2.0 NO INCIDENT REPORTS AVAILABLE! INTERNATIONALENGINES NO INCIDENT REPORTS AVAILABLE! MERCEDES ENGINES Uses Detroit Diesel software, but not the hardware Found on MBE 900 and MBE 4000 Other event data recorders currently available are: Eaton-Vorad Collision avoidance system (OEM installed and aftermarket)

9 Freightliner Century Class data logger (OEM product) EATON VORAD Uses RADAR to warn driver of vehicles around them Can record the activity of other vehicles around the truck and the activity of the truck driver On some versions the driver must push an Accident button to permanently log data EATON VORAD EVT Collision Warning System available with: SmartCruise BlindSpotter Eaton Vehicle Information Management System Freightliner Data Logger Primary purpose is for diagnostics Records one minute or more of data prior to an event and one minute after the event The events are typically sensor faults The driver pushing a button on the dash triggers an event Concerns about getting the full report???? WHAT OTHER REPORTS ARE AVAILABLE??? DETROIT DIESEL DAILY ENGINE USAGE Reports for the last month on how many minutes a day the engine was driving, idling or stopped. Reported in two hour blocks of time.

10 Log book violations???? Vehicle Speed Histogram Gives the percentage of time spent in a speed range. i.e % of time spent between mph. Someone might suggest the driver is a regular speeder to Present VIN Position 6 and 7 Series 60 engines: AL and AM CAT engines: AS, AT, AX and AY 1996 to Present VIN Position 6 Series 60 engines: R CAT engines: B, C, 1996 to Present VIN Position 6 Series 60 engines: R CAT engines: B,C 1996 to 1999 Position 7 Series 60: R CAT : C 2000 to Present

11 Position 7 Series 60: R CAT: C 1996 to 7/11/2001 VIN Position 7 Series 60 engines: X CAT engines: C, D, 1, 2, 3, 4 7/11/2001 to Present VIN Position 7 and 8 Series 60 engines: CD, CG, CK CAT engines: AD, AG, AN, AS, AV, AY