comparison_between_ev.pdfVIP

Plug‐in?Hybrid?Electric?Vehicle?Control? S C i b EV dtrategy:? ompar son? etween? ?an ? Charge‐Depleting?Options SAE?2008‐01‐0460 April?2008 Phil?Sharer,?Aymeric?Rousseau,? Dominik?Karbowski,?Sylvain?Pagerit Argonne National Laboratory? ? Sponsored?by?Lee?Slezak This?presentation?does?not?contain?any?proprietary,?confidential,?or?otherwise?restricted?information Can Using a Charge Depleting Strategy Further Decrease a PHEV’s Fuel Consumption When Trip Distance Exceeds All Electris Range? V S 0 8 0.9 1 0.9 1 . . 0.6 0.7 . S O C EV 0 6 0.7 0.8 CD 0 3 0.4 0.5 S CS 0.4 0.5 . 0 2000 4000 6000 8000 10000 12000 14000 0.2 . time (s) 0 2000 4000 6000 8000 10000 12000 2 A Charge Depleting Strategy Can Use A Priori Knowledge of Trip Distance to Choose when to Use the Engine EV? Engine?On? Threshold Vehicle?Speed CS? Engine?On? Threshold Engine?on Engine?off Vehicle?Speed CD? Engine?On? Threshold This Is a Specific Case, How Much Can It Be Generalized? ? 1?Configuration?– Power?Split ? PHEV with 10 mile Range on the UDDS? ? ? ? ? ? ? ? Trip?Distances?‐ 10,?20,?30,?40,?60?miles?on?the? UDDS ? 3?Control?Strategies ? 1 Control Parameter was adjusted (Engine On? ? ? ? ? ? ? Power?Threshold) ? Did Not Include? ? ? ?Temperature?Effects?– Cold?or?Hot?Battery ?Emisssions 4 PSAT Modeling Assumptions Class Midsize Curb Weight 1432 kg Battery Type Li-Ion JCS - Saft 19 Ah 0 t 60 h 9 Power Split Configuration 25 30 o mp sec Grade 6% at 65 mph Range 10 miles on UDDS 10?Miles:?Less?Than?2?Full? UDDS?cycles 15 20 S p e e d ( m / s ) Delta SOC 90% to 30% SOC Charge Sustaining 30% 0 5 10 V e h i c l e at 5 0 500 1000 1500 2000 Time (sec) Each of the Three Control Strategies Partitions the Demanded Road Load between the Engine and Engine?On #3?Optimal?Engine?Power Engine?On #2?Full?Engine?Power Engine?On Battery Differently #1?Differential?Engine?Power Power Power Request Power Request Request Power Power Request Request E R d L d E i P R d L dE R d L d 6 ng?power?? oa ? oa n