& Mobility Stryker Vehicle Advanced Propulsion with Onboard - PowerPoint PPT Presentation

Power & Mobility Stryker Vehicle Advanced Propulsion with Onboard Power (APOP) Kevin Boice Josh Tylenda Youssef Abdallah 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & What was the APOP project? Mobility • High power upgrade to the Stryker vehicle, 8X increase • 120kW, 600VDC Inline Generator (DRS) • 2 x 10kW 600V-28V DC-DC converter (BAE) • 35kW Main Cooling Fan (Marvin Land Systems) • 12kW Electric Hydraulic Pump (Parker) • J1772 Export Power Connection (REMA) 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Vehicle Power Architecture Mobility 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Vehicle Testing Mobility 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Outer Performance Curve Mobility Purpose: Measure max road load horsepower available at a given speed Outer Performance Curve Dynamometer %hp %hp 250 Speed (mph) Change Change APOP Baseline Pre-Test to to APOP Post-Test 200 Pre-test 60 5.1% -1.6% 50 6.4% -1.2% Road Load Power (hp) 40 2.1% -8.4% 150 30 -0.9% -1.1% Baseline 20 4.6% -1.0% APOP Pre-Test 100 APOP Post-Test 50 0 0 10 20 30 40 50 60 70 Speed (MPH) 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Full Load Cooling Mobility Purpose: Measure max tractive force at low speed Full Load Cooling Note: Due to test setup 4000 limitations, this test was High, 0.62 TE/WT 3500 done in 4 th gear with Med, 0.57 TE/WT Baseline 3000 Low, 0.50 TE/WT transmission unlocked 2500 APOP Force (lbf) 2000 APOP (Fan tune) 1500 APOP (add 1000 25kW) 500 0 0 2 4 6 8 10 12 14 16 18 Speed (MPH) 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Speed on grade Mobility Purpose: Measure fuel usage and max speed for a grade 1.60 1.40 1.20 APOP Vehicle Baseline Vehicle 1.00 Fuel usage (gal/hr)/hp 0.80 0.60 0.40 0.20 - Speed(MPH) 5 10 15 20 25 5 10 15 20 25 5 10 15 20 25 5 10 15 5 10 5 10 Grade % 0 0 0 0 0 2 2 2 2 2 5 5 5 5 5 10 10 10 15 15 20 20 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Acceleration Mobility Purpose: Measure 0-60MPH acceleration time Acceleration Time (0-60MPH) 180 160 140 120 Time (s) 100 80 Load shedding 60 DC-DC converters 40 20 0 1 2 3 4 5 6 7 8 9 10 Run Number Baseline APOP APOP w/ shedding 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Cruising Range Mobility Purpose: Vehicle range is specified at 40MPH Fuel Rate Vehicle Average Fuel Traveled Total Fuel L/Hr Speed Economy MPG Distance Consumption MPH Miles Gallons Base 29.45 40.85 5.25 330 62.86 APOP 29.55 40.23 5.15354 330 64.03 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & High Idle High Electrical Load Mobility Purpose: Measure fuel usage for an export power use case Fuel Usage During Export Power 35 30 y = 0.2281x + 15.568 25 y = 0.2153x + 12.168 Fuel Usage (L/h) 20 15 10 5 0 0 10 20 30 40 50 60 70 80 90 Power (kW) HV Export Total HV Load Linear (HV Export) Linear (Total HV Load) 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Screening Testing Mobility Purpose: Measure performance and fuel usage as future loads added Fuel Usage Summary APOP vs Baseline Road Force Difference 12 100 10 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Test Run Count -100 8 -200 6 Road Load Force (lbf) Baseline -300 4 APOP -400 2 -500 0 6-8.9 9-11.9 12-14.9 15-17.9 -600 Fuel Usage Range (gal/hr) -700 20 test points of varying road load, -800 speed, and electrical load. APOP -900 Test adds 11, 34 and 59 kW of high Test Run voltage load depending on point. 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & Conclusions Mobility • Generally performed as good or better than baseline at an equivalent vehicle load • Challenges still exist as future loads are added to the system • Opportunities exist for further optimization and load shedding 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited

Power & The End? Mobility 8/21/2018 Unclassified / DISTRIBUTION A. Approved for public release: distribution unlimited