An Engine Management System And Method For Operating A Turbocharger

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