European Customer Technology Centers - Delphi
European Customer Technology Centers - Delphi
European Customer Technology Centers - Delphi
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
US REGULATION<br />
A. FTP Test Cycles<br />
1. Heavy Duty Diesel Transient Cycle (HDDTC)<br />
Test cycle comprised of four<br />
phases representing different<br />
driving conditions.<br />
Phases one and four are the<br />
same.<br />
Test is a cold start followed<br />
by a 20 min soak and then a<br />
repeat of the test cycle.<br />
Heavy Duty<br />
Normalized torque (%)<br />
Normalized engine speed (%)<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
-20<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
0<br />
New York<br />
Non-Freeway<br />
200<br />
Los Angeles<br />
Non-Freeway<br />
Los Angeles<br />
Freeway<br />
400 600<br />
Time (sec)<br />
800<br />
New York<br />
Freeway<br />
297 sec 300 sec 305 sec 297 sec<br />
Negative torque represents over-run conditions<br />
1000<br />
1200<br />
2. Heavy Duty Gasoline Transient Cycle (HDGTC)<br />
Normalized torque (%)<br />
Normalized engine speed (%)<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
-20<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
0<br />
200<br />
400 600<br />
Time (sec)<br />
800<br />
1000<br />
1200<br />
25
Change language