BLDC Drive Projects / Electric Vehicle [ EV ] Projects

BLDC DRIVE PROJECTS FOR B.tech / M.tech STUDENTS

Brushless DC (BLDC) motors are referred to as Brushless Permanent Magnet, Permanent Magnet AC motors, Permanent Magnet Synchronous Motors, etc. The confusion arises because a brushless DC motor does not directly operate off a DC voltage source. However, the basic principle of operation is similar to a DC motor.

A Brushless DC Motor has:

1. A rotor with permanent magnets and a stator with windings
2. Voice based Activation and Control of Equipments
3. A BLDC motor is essentially a DC motor turned inside out
4. Brushes and commutator have been eliminated and the windings are connected to the control electronics
5. Control electronics replace the function of the commutator and energize the proper winding
6. Windings are energized in a pattern which rotates around the stator
7. The energized stator winding leads the rotor magnet and switches just as the rotor aligns with the stator

This motor is referred to as a "DC" motor because its coils are driven by a DC power source which is applied to the various stator coils in a predetermined sequential pattern. This process is known as commutation. However, "BLDC" is really a misnomer, since the motor is effectively an AC motor. The current in each coil alternates from positive to negative during each electrical cycle. The stator is typically a salient pole structure which is designed to produce a trapezoidal back-EMF waveshape which matches the applied commutated voltage waveform as closely as possible. However, this is very hard to do in practice, and the resulting back-EMF waveform often looks more sinusoidal than trapezoidal. For this reason, many of the control techniques used with a PMSM motor (such as Field Oriented Control) can equally be applied to a BLDC motor

Electric Vehicle Projects for Engineering Students

Electric drives projects classifies into different categories. Projects would be listed under each category. b.tech Electric drives projects in ernakulam trivandrum

1. Electric vehicle charging station
2. Electric vehicle inverter
3. DC-DC converter
4. Vehicle Control Unit
5. Battery Management System

b.tech ktu Electric drives projects in ernakulam trivandrum | mtech projects

1. Electric Vehicle charging station

Electric vehicle charging stations supply electricity to charge the battery of electric vehicle. Public charging stations, private charging stations, and home based charging stations are the common types of electric car charging stations.

1. Prototype of fast charging station for an electric car
2. Over current protection for electric car charging stations
3. Energy management for Vehicle to Grid integrated electric vehicle
4. Automatic billing system for electric vehicle charging
5. Peak demand management using electric vehicle
6. Solar charging stations for electric vehicle
7. Harmonic reduction in electric vehicle charging stations
8. Adaptive charging based on load tariff
9. Efficient level 2 charging station for home
10. Switching loss reduction in level 2 charging stations

2. Electric vehicle inverter

Electric vehicle inverter (converter) converts dc from battery to 3 phase ac to drive the induction motor in an electric vehicle.

1. SVPWM inverter and modes of operation for switching loss minimization
2. Multi level inverter for electric vehicle
3. Bidirectional converter for regenerative braking
4. Efficient regenerative braking using ultracapacitor
5. Novel topology for electric vehicle inverter
6. Thermal loss minimization in an EV inverter
7. Regenerative braking with minimum switching loss
8. Protection circuit for electric vehicle inverter
9. Power factor improvement in inverter and performance analysis in EV model
10. Simulation model of inverter strategies for different driving cycles

3. DC-DC Converter

The third group of projects are related to DC-DC converter in electric vehicle. Why do we use a DC-DC converter in electric vehicle? Light, small motors for viper, window etc. operate at low voltage (12V, 24V etc). DC-DC converter which has an efficiency of more than 95% converts high voltage to low voltage to supply the auxiliaries.

1. DC-DC converter with low switching loss
2. Intelligent dual operation of DC-DC converter (charger and converter)
3. Multilevel DC-DC converter
4. Small DC-DC converter for EVs
5. Analysis to find best DC-DC converter for an electric vehicle
6. Filter for DC-DC converters to charge low voltage EV battery
7. Cooling system design for DC-DC converters
8. DC-DC converter for solar powered electric vehicles
9. DC-DC converter for Vehicle to Vehicle charging
10. Switching strategy for minimal power loss in DC-DC converter

4. Vehicle control unit

Vehicle control unit monitors the operation of vehicle. Variety of research projects can be done on vehicle control unit.

1. Optimal energy utilization of EV using VCU
2. Control strategy to minimize energy loss in a passenger car
3. Power split strategy using fuzzy control in a hybrid electric vehicle
4. Reverse parking assistance system for an electric vehicle
5. Charging station locator and battery monitoring for electric vehicles
6. Vehicle control system for autonomous driving!!
7. Vehicle control system for cruise control
8. Thermal management of vehicle
9. Driver suggestion system collecting road data
10. Anti-lock break control

5. Battery Management System

Battery is one of the costlier component in an electric vehicle. A battery management system which is control unit monitors the battery state and helps VCU to take decisions based on battery state. State of Charge, State of Health, Current, Voltage etc. are being monitored by BMS.

1. State of charge estimation for an electric vehicle battery
2. State of health estimation for an EV battery
3. Strategies for long life of electric car battery
4. Novel technique for cell balancing of electric vehicle
5. Protection circuits for electric vehicle battery
6. Thermal management to increase battery life
7. Advanced and accurate state of charge estimation using filters
8. Cell voltage measurement and cell balance in electric vehicle
9. Data analysis in BMS using cloud computing
10. Ideal power minimization in BMS – develop BMS with low power consumption

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