Description:SOFT COPY ATTACHED , Claims:We claim:

1. A drive mode enhancement system for vehicles comprising:
a microcontroller (101) in a drive mode controller module (106), positioned between an accelerator pedal unit (102) and an electronic control unit ECU (103), wherein the microcontroller (101) is configured to:
receive a plurality of digital input signals from the accelerator pedal unit (102);
process the plurality of digital input signals from the accelerator pedal unit (102) to adapt the accelerator pedal output in synchronous to drive mode maps;
convert the digital input signals to analog output signals; and
transmit the analog output signals to the electronic control unit ECU (103);
at least one vehicle observer module (104) connected to the electronic control unit ECU (103), wherein the at least one vehicle observer module (104) is configured to:
acquire a plurality of vehicle parameters via a tri-axial accelerometer (108);
a mode selector module (105) communicatively coupled with the drive mode controller module (106), the mode selector module (105) configured to:
receive inputs from the vehicle observer module (104).

2. The drive mode enhancement system for vehicles as claimed in claim 1, wherein the motion of the vehicles is controlled by a controller device that is a foot operated pedal, hand operated lever or hand operated rotary controller.

3. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the sensitivity of the controller device can be varied to alter the responsiveness of the controlled motion.

4. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the sensitivity for the full range of the pedal can be generated with 3 control parameters.

5. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the sensitivity can be pre-set using a program.

6. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the sensitivity option can be selected by a selector device

7. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the prime mover of the vehicle is selected fan IC Engine, electric motor, etc.

8. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the IC Engine vehicles can be selected from but not limited to fuel types such as Petrol, Diesel, CNG, LNG, LPG, Hydrogen, bi-fuels, etc.

9. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the plurality of vehicle parameters includes but are not limited to accelerator pedal position, brake pedal position, and clutch pedal position, etc.

10. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the at least one vehicle observer module (104) also has a tri-axial accelerometer (108), which measures the longitudinal, lateral, and vertical accelerations of the vehicle.

11. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the vehicle mass and road gradient are calculated based on the plurality of vehicle parameters and fed as input to the mode selector module (105).

12. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the drive mode controller module (106) includes but is not limited to modes like Economy Plus, Economy, Power, Power Plus, Light Duty, Heavy Duty, Un-laden, Laden, Overload, City, Urban, Sport, etc.

13. The drive mode enhancement system for vehicles as claimed in any of the preceding claims, wherein the mode selector module (105) determines whether the operating terrain is suitable for the selected drive mode or whether automatic switching of modes is required.

14. A method (400) in a drive mode enhancement system for vehicles, the drive mode enhancement system including a microcontroller, a vehicle observer module and a mode selector module, the method comprising:
receiving (402), by the microcontroller, a plurality of digital input signals from an accelerator pedal unit (102);
processing (404), by the microcontroller, the plurality of digital input signals from the accelerator pedal unit (102) to adapt the accelerator pedal output in synchronous to drive mode maps;
converting (406) by the microcontroller, the digital input signals to analog output signals; and
transmitting (408), by the microcontroller, the analog output signals to the electronic control unit ECU (103);
acquiring (410), by the vehicle observer module, a plurality of vehicle parameters via a tri-axial accelerometer (108); and
receiving (412), by a mode selector module (105), inputs from the at least one vehicle observer module (104).