Research Article
Intelligent Vehicle Engine Dynamic Test System Based on Internet of Things
Table 1
Comparison of main technical parameters of various dynamometers.
| | Dynamometer type | Hydraulic dynamometer | Eddy current dynamometer | AC power dynamometer | DC power dynamometer |
| | Manufacturer | Hangzhou Keyi | South peak | Schenk | Schenk |
| | Series model | WE | CW | DYNAS2 | GS |
| | Nominal power (kw) | 110 | 100 | 120 | 120 |
| | Nominal torque (N.m) | 380 | 320 | 270 | 390 |
| | Rated speed (rpm) | 5500 | 6400 | 9600 | 8100 |
| | Torque measurement accuracy | ±0.3FS | ±0.3FS | ±0.3FS | ±0.2FS |
| | Response characteristics | 0–100% (0.4 s) | 0–100% (0.3 s) | 0–100% (0.5 s)
24000 rpm (s) | 0–100% (0.4 s)
6440 rpm (s) |
| | Moment of inertia (n.m2) | 0.38 | 0.25 | 0.32 | 1.02 |
| | Brake (drive bidirectional function) | Only brake function | Only brake function | Brake (drive bidirectional function backward drag control) | Brake (drive bidirectional function backward drag control) |
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