Model-based online optimisation in simulation and on the engine test bench

MTZ worldwide ◽  
2007 ◽  
Vol 68 (1) ◽  
pp. 16-19
Author(s):  
Alexander Sung ◽  
Florian Klöpper ◽  
Alexander Mitterer ◽  
Georg Wachtmeister ◽  
Andreas Zell
Keyword(s):  
Test Bench ◽  
Engine Test ◽  
Engine Test Bench ◽  
Model Based ◽  
Online Optimisation

scholarly journals Assessment of an electrical coolant pump on a heavy-duty diesel engine

2021 ◽  
Vol 3 (3) ◽  
Author(s):  
Markus Kiesenhofer
Keyword(s):  
Diesel Engine ◽  
Fuel Consumption ◽  
Carbon Dioxide Emissions ◽  
Test Bench ◽  
Engine Test ◽  
The European Union ◽  
Engine Test Bench ◽  
Commercial Vehicles ◽  
Coolant Pump ◽  
Vehicle Class

AbstractHybridization of the drive train in commercial vehicles is a key solution toward meeting the strict future requirements to reduce carbon dioxide emissions within the European Union. In order to decrease fleet consumption a large number of different hybrid systems are already available in series in the passenger car sector. Due to the cheap and powerful 48 volt hybrid components and the lower hazard potential compared to high voltage, future commercial vehicles could also benefit from the 48V technology and contribute to lower fleet fuel consumption. Therefore, a complete 48V mild hybrid system was built on the diesel engine test bench as part of a research project. This paper highlights the utilization of a powerful 48V-motor to propel the coolant pump on a diesel engine of the 13-L commercial vehicle class. Three different drive variants of the coolant pump were implemented and measured on the diesel engine test bench. MATLAB®/Simulink®-simulations were conducted to assess the possible fuel savings in three different driving cycles. This paper provides a summary and interpretation of the measurement and simulation results. The simulation studies predict a decrease of fuel consumption of up to 0.94%. Furthermore, the additional advantages of electrified coolant pumps based on 48V are discussed.

THE EFFECTIVENNESS OF SOME PRACTICAL METHODS OF LOWERING THE BACKGROUND ACOUSTIC NOISE, PRODUCED BY THE ENGINE TEST BENCH TECHNOLOGICAL EQUIPMENT

Akustika ◽  
2021 ◽  
pp. 168
Author(s):  
Igor Deryabin ◽  
Aleksandr Krasnov ◽  
Larisa Gorina
Keyword(s):  
Background Noise ◽  
Test Bench ◽  
Acoustic Noise ◽  
Technological Equipment ◽  
Engine Test ◽  
Engine Test Bench ◽  
High Background ◽  
Sound Fields ◽  
Load Carrying ◽  
Anechoic Chambers

When conducting acoustic researches and finishing works on combustion engines specialized technological equipment and tools mounted mainly in anechoic chambers are used. In order to ensure the high quality and objectivity of the research results of the sound fields produced by the research object it is crucial to achieve a sufficiently low parasitic background noise produced by technological equipment and tools of an engine test bench. The source of a high background noise re-emited to the anechoic chambers interior is structural vibrations of the solid objects of load carrying and flatsheet box-type structures of the bench. The article considers tested technical methods of improving vibroacoustics of load carrying and envelope structures of the engine test bench, which is in startup, commissioning and preliminary operation phase in the research center of a car manufacturer. Therewith there was a requirement to prevent any fundamental changes of the bench original basic construction, in order to minimize potential material and financial expenses for its reengineering process. Tested design solutions allow to reduce the level of parasitic noise disturbances, produced directly by the bench equipment in an anechoic chamber, up to 12 dBA.

Virtual powertrain – Vehicle simulation on the engine test bench with an implemented P2 topology

2020 ◽  
pp. 377-392
Author(s):  
Sebastian Lachenmaier ◽  
L. Cross ◽  
C. Ferrara ◽  
A. Greis ◽  
M. Wüst ◽  
...  
Keyword(s):  
Test Bench ◽  
Engine Test ◽  
Engine Test Bench ◽  
Vehicle Simulation

Hardware Design of a Main Relay Unit in Engine Test Bench

2013 ◽  
Vol 13 (16) ◽  
pp. 3175-3181
Author(s):  
X.F. Lv ◽  
Q. Gao ◽  
Y.Q. Luo ◽  
P. Luo
Keyword(s):  
Test Bench ◽  
Hardware Design ◽  
Engine Test ◽  
Engine Test Bench

High-Frequency Time Domain Source Path Contribution: From Engine Test Bench Data to Cabin Interior Sounds

2013 ◽  
Vol 6 (2) ◽  
pp. 1293-1299 ◽  
Author(s):  
David Bogema ◽  
Andreas Schuhmacher ◽  
Gary Newton ◽  
Frederick Vanhaaften ◽  
Takeshi Abe ◽  
...  
Keyword(s):  
Time Domain ◽  
High Frequency ◽  
Test Bench ◽  
Engine Test ◽  
Engine Test Bench ◽  
Domain Source ◽  
Cabin Interior
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