Difference between revisions of "SIMarchitect Library Overview/Component library/Powertrain/Energy Converters/Internal Combustion Engine"
From OpenMBD
(→Module Parameter) |
(→Module Parameter) |
||
Line 75: | Line 75: | ||
| Nm | | Nm | ||
|- | |- | ||
− | | rowspan="2" style="text-align: | + | | rowspan="2" style="text-align: left;" | τ<sub>ice,2 |
| dat.boost.timeconstatnt.T2.value | | dat.boost.timeconstatnt.T2.value | ||
− | | rowspan="2" style="text-align: | + | | rowspan="2" style="text-align: left;" | Time constant for boost pressure depending on torque build - up (Time constant = f(speed) |
| - | | - | ||
|- | |- | ||
Line 88: | Line 88: | ||
| boolean | | boolean | ||
|- | |- | ||
− | | rowspan="2" style="text-align: | + | | rowspan="2" style="text-align: left;" | M<sub>fric |
| dat.friction.friction.vec | | dat.friction.friction.vec | ||
− | | rowspan="2" style="text-align: | + | | rowspan="2" style="text-align: left;" | Engine friction = f(speed) |
| Nm | | Nm | ||
|- | |- | ||
Line 96: | Line 96: | ||
| rad/s | | rad/s | ||
|- | |- | ||
− | | rowspan="2" style="text-align: | + | | rowspan="2" style="text-align: left;" | M<sub>exh |
| dat.exhaustbrake.brake.vec | | dat.exhaustbrake.brake.vec | ||
− | | rowspan="2" style="text-align: | + | | rowspan="2" style="text-align: left;" | Engine friction with fully engaged exhaust brake (Exhaust brake = f(speed)) |
| Nm | | Nm | ||
|- | |- | ||
Line 104: | Line 104: | ||
| rad/s | | rad/s | ||
|- | |- | ||
− | | rowspan="2" style="text-align: | + | | rowspan="2" style="text-align: left;" | M<sub>ice,max |
| dat.maxtorque.vec | | dat.maxtorque.vec | ||
− | | rowspan="2" style="text-align: | + | | rowspan="2" style="text-align: left;" | Engine maximum torque (Max torque = f(speed)) |
| Nm | | Nm | ||
|- | |- |
Revision as of 08:48, 6 April 2018
Contents
General information about Internal Combustion Engine
The internal combustion engine model is modeled using maps to represent the mechanical energy (friction) losses and the applicable time response for torque build up.
Module
Bus Selector for module input
Module output
Output | ||||
---|---|---|---|---|
Node | Variable | Label | Description | Unit |
Sensor | Mice | Eng_tqCrkSft_Nm | Crankshaft torque | Nm |
ωice | Eng_nAct_radps | Engine speed | rad/s | |
Mice+Mfric+Mexh | Eng_tqInd_Nm | Indicated torque | Nm | |
ϑice | Eng_tOilAct_K | Engine oil temperature | K | |
mech out [Nm] | Mice | phys_torque_Nm | torque | Nm |
Jice | phys_inertia_kgm2 | inertia | kgm2 |
Module Parameter
Variable | Parameter | Description | Unit |
---|---|---|---|
Jice | dat.inertia.value | Inertia | kgm2 |
τice,1 | dat.boost.insttorque.timeconstant.T1.value | Time constant for engine torque build up | - |
dat.boost.insttorque.vec | Instant torque available | Nm | |
τice,2 | dat.boost.timeconstatnt.T2.value | Time constant for boost pressure depending on torque build - up (Time constant = f(speed) | - |
dat.boost.speed.vec | rad/s | ||
Mdes,type | dat.torquetype.value | Engine torque request: 0 = indicated torque; 1 = crankshaft torque | boolean |
Mfric | dat.friction.friction.vec | Engine friction = f(speed) | Nm |
dat.friction speed.vec | rad/s | ||
Mexh | dat.exhaustbrake.brake.vec | Engine friction with fully engaged exhaust brake (Exhaust brake = f(speed)) | Nm |
dat.exhaustbrake.speed.vec | rad/s | ||
Mice,max | dat.maxtorque.vec | Engine maximum torque (Max torque = f(speed)) | Nm |
dat.maxtorque.speed.vec | Nm | ||
Kp | dat.controller.p.value | Proportional constant for PI controller | - |
Ki | dat.controller.i.value | Integral constant for PI controller | - |
Mstart | dat.startertorque.value | Starter motor torque | Nm |