Claims:1. An Engine Management System(EMS)(10) to operate a
turbocharger(30) in a vehicle(100),
said vehicle(100) comprises an engine(20), an inlet manifold(40), a
5 HFM sensor(13),
said turbocharger(30) comprises a Motor-Generator(MG)(31), a
compressor(32), characterized in that,
said EMS(10) is adapted to:
? receive speed of said engine(20), fuel injected quantity into said
10 engine(20);
? determine air mass required for combustion in said engine(20)
based on the received values and a predetermined map(203);
? receive volume of air mass in said inlet manifold(40) from said HFM
sensor(13);
15 ? operate said MG(31) in motor mode, wherein the received volume
of air mass in said inlet manifold(40) is lower than the determined
air mass required for combustion in said engine(20), to increase said
compressor(32) speed to supply the determined air mass required
for combustion in said engine(20);
2. An Engine Management System(EMS)(10) to operate a
turbocharger(30) in a vehicle(100),
said vehicle(100) comprises an engine(20), an inlet manifold(40), a
HFM sensor(13),
said turbocharger(30) comprises a Motor-Generator(MG)(31), a
25 compressor(32), characterized in that,
said EMS(10) is adapted to:
? -receive speed of said engine(20), fuel injected quantity into said
engine(20);
? determine air mass required for combustion in said engine(20)
based on the received values and a predetermined map(203);
? receive volume of air mass in said inlet manifold(40) from said HFM
sensor(13);
? operate said MG(31) in generator mode, wherein 5 the received
volume of air mass in said inlet manifold(40) is higher than the
determined air mass required for combustion in said engine(20), to
decrease said compressor(31) speed to supply the determined air
mass required for combustion in said engine(20);
3. The EMS(10) as claimed in claims 1 or 2, calibrated with said
predetermined map(203), said predetermined map(203) contains air
mass required for combustion in said engine(20) for plurality values of
engine speed, fuel injected quantity, ambient pressure and ambient
temperature;
4. The EMS(10) as claimed in claims 1 or 2, adapted to receive ambient
pressure and ambient air temperature, said air mass required for
combustion in said engine(20) determined based on said ambient
pressure and said ambient air temperature in addition to said speed of
said engine(20), said fuel injected quantity into said engine(20) and said
20 predetermined map(203);
5. The EMS(10) as claimed in claim 2, operates said MG(31) in generator
mode to convert excess mechanical energy encountered by a
turbine(33) into electrical energy, and the generated electrical energy
stored in a storage space for utilization in said vehicle(100).
6. A method for operating a turbocharger(30), in a vehicle(100),
said vehicle(100) comprising an engine(20), an Engine Management
System(EMS)(10), an inlet manifold(40), a HFM sensor(13),
said turbocharger(30) comprising a Motor-Generator(MG)(31), a
compressor(32),
said method comprising the steps of:
? receiving, by said EMS(10), speed of said engine(20), fuel injected
quantity into 5 said engine(20);
? determining, by said EMS(10), air mass required for combustion in
said engine(20) based on the received values and a predetermined
map(203);
? receiving, by said EMS(10), volume of air in said inlet manifold(40)
10 from said HFM sensor(13);
? operating, by said EMS(10), said MG(31) in motor mode, wherein
the received volume of air in said inlet manifold(40) is lower than the
determined air mass required for combustion in said engine(20), to
increase said compressor(32) speed to supply the determined air
15 mass required for combustion in said engine(20);
7. A method for operating a turbocharger(30), in a vehicle(100),
said vehicle(100) comprising an engine(20), an Engine Management
System(EMS)(10), an inlet manifold(40), a HFM sensor(13),
said turbocharger(30) comprising a Motor-Generator(MG)(31), a
20 compressor(32),
said method comprising the steps of:
? receiving, by said EMS(10), speed of said engine(20), fuel injected
quantity into said engine(20);
? determining, by said EMS(10), air mass required for combustion in
25 said engine(20) based on the received values and a predetermined
map(203);
? receiving, by said EMS(10), volume of air in said inlet manifold(40)
from said HFM sensor(13);
? operating, by said EMS(10), said MG(31) in generator mode,
wherein the received volume of air in said inlet manifold(40) is higher
than the determined air mass required for combustion in said
engine(20), to decrease said compressor(32) speed to supply the
determined air mass required for combustion in 5 said engine(20);
8. The method as claimed in claims 6 or 7, wherein said EMS(10)
calibrated with said predetermined map(203), said predetermined
map(203) contains air mass required for combustion in said engine(20)
for plurality values of engine speed, fuel injected quantity, ambient
10 pressure and ambient temperature;
9. The method as claimed in claims 6 or 7, wherein said EMS(10) adapted
to receive ambient pressure and ambient air temperature, said air mass
required for combustion in said engine(20) determined based on said
ambient pressure and said ambient air temperature in addition to said
15 speed of said engine(20), said fuel injected quantity into said engine(20)
and said predetermined map(203);
10. The method as claimed in claim 7, wherein said EMS(10) adapted to
operate said MG(31) in generator mode to convert excess mechanical
energy encountered by a turbine(33) into electrical energy, and the
20 generated electrical energy stored in a storage space for utilization in
said vehicle(100). , Description:An Engine Management System(EMS)(10) and a method for operating a
turbocharger(30) is disclosed. The EMS(10) is adapted to receive speed of the
engine(20), fuel injected quantity into the engine(20), determine air mass
required for combustion in the engine(20) based on the received 5 values and a
predetermined map(203), receive volume of air mass in the inlet manifold(40)
from the HFM sensor(13), operate the MG(31) in motor mode, wherein the
received air mass in said inlet manifold(40) is lower than the determined air
mass required for combustion in the engine(20), to increase the
compressor(32) speed to supply the determined air mass required for
combustion in the engine(20), operate the MG(31) in generator mode, wherein
the received air mass in said inlet manifold(40) is higher than the determined
air mass required for combustion in the engine(20), to decrease said
compressor(31) speed to supply the determined air mass required for
combustion in the engine(20).
Fig. 1