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Motor Controller for Electric
Vehicles – E-Autos, 2 Wheelers
and 3 Wheelers

We develop customized motor control solutions to operate modern electric vehicle powertrains cutting across motor types such as BLDC, PMSM, SRM and induction motors. Our proven expertise and proprietary reference designs in the development of advanced algorithms like FOC, Field-weakening and regenerative braking ensures substantially reduced turn-around time for your EV program.

Our team has delivered customized motor control solution along with platform software, diagnostics protocols, and low-level drivers to Electric Vehicle projects across the globe. Since we provide end-to-end motor control solutions development, we respond swiftly to the requirements of our customers. So, if you have a preferred MCU for the platform or wish to design a bespoke motor drive algorithm, we have you covered!

Every motor control solution that we develop is unique in terms of peak and continuous output, operating voltage, safety features and other parameters. Our team ensures that we meet every requirement within strict timelines by taking smart and timely decisions.

[Demo Video] How our Experts Use FOC Algorithm to Overcome the Speed Error in Motor Control Solutions

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Closer Look at Software and Hardware Components of An EV Motor Controller

Powered with Futuristic Technology and Features of EV Motor Control

ev-motors-wattage

Can drive EV motors of considerable wattage

field-oriented-control

Integrated Field Oriented Control (FOC) algorithm and field weakening feature, to ensure the best dynamic performance of motor

design-and-development

Design & Development is compliant with ISO 26262 Standard for Functional Safety

motor-control-application

Motor Control Application has been developed using Model Based Development

speed-control

Speed control, torque control and Field weakening features to achieve higher speed

motor-control-solution

Provide motor control solutions across different types of electric motors such as BLDC, PMSM, Reluctance motors and induction motors..

UD-S-Diagnostic

UDS (14229) based diagnostics

optimize-FOC

Optimization & Tuning of the FOC algorithm using Plant Model Simulation in MATLAB/SIMULINK

Regenerative-braking

Regenerative Braking achieved by voltage boost using Software Algorithm with the help of inverter and motor setup

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Technology Architecture of Our Electric Vehicle Motor Control Platform

EV Control
  • The motor control solution consists of the communication, diagnostics and FOC including features like regenerative braking and power management capabilities.
  • MCU generates PWM signals that are fed to inverter that runs the electric motors such as BLDC, PMSM and Reluctance motors.
  • We can develop motor control solution compliant to ISO 26262 standard as per project’s safety-criticality.

Product Engineering Services for Motor Control Solution Development

hardware-and-software
Hardware and Software Development Services


  • Support for design and development of customized hardware platform
  • Ready-to-integrate Field-Oriented Control (FOC) algorithm
  • Motor Control System development
  • ISO 26262 compliant motor control solution development
  • Motor Control System equipped with Regenerative Braking feature
  • Supports both sensor-less and sensor-powered commutation for BLDC and PMSM Motor control
  • Equipped with Classical Trapezoidal Control methodology

porting-and-integration
Porting and Integration Services


  • Support for porting of the software solution to the hardware platform of customer's choice
  • BSW (HAL and low-level device drivers) Development and Integration
  • Ready-to-integrate Libaray of Communication and Diagnostics Stacks (UDS, CAN, DoIP, J1939 and OBD2)
  • Integration of the Flash Bootloader with the motor control solution

model-based
Model Based Development


  • Model driven approach for FOC development, by leveraging expertise in Matlab and Simulink
  • In order to ensure time & cost savings during Bench Testing, we optimize tuning by testing the FOC algorithm using Plant Model Simulation. This is done to achieve the desired speed-torque characteristics
  • Cruise control feature using embedded code to regulate speed
  • Reusable models that can be customized as per the target platform
  • Expertise in SIMScape tool for Plant Model Simulation
  • Support for ML, SIL and HIL testing services
  • Expertise in Polyspace tool for static code analysis

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Motor Controller for Electric Vehicle - Customer Success Stories

Video Explaining Motor Control System- The Brain Behind Electric Motors

Embitel’s Ready-to-deploy Motor Control Solution for Electric Vehicles​

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Related Posts: Learn More About Motor Controller for Electric Vehicles

FAQs Regarding Motor Controller for Electric Vehicles

How will your platform for EV motor controller be a value-add for our Electric Vehicle projects

Ans. Our platform for motor controller for electric vehicle is completely customizable, configurable and ready-to-deploy solution for your Electric Vehicle Applications.

We have designed a suite of Base Software, that consist of the Hardware Abstraction Layer (HAL) and Low-Level drivers (LLD). This Base Software can be customized for integration with your Application layer, helping you save substantial development time and cost (approximately 6-8 months).

As an additional value-add, a critical software module of the Application layer, which is Field Oriented Control (FOC) algorithm, has also been implemented and can be readily integrated with your system.

Depending on the project’s requirements, we can also partner for the development of other modules like regenerative braking, speed and torque limiting and so on, for the application layer.

For an organization, that plans to develop a prototype of motor control ECU for electric vehicles, this configurable platform is an ideal solution.

How does a motor controller for Electric Vehicle contribute to energy efficiency?
Ans. An EV motor controller optimizes energy efficiency by precisely regulating the power supplied to the electric motor, ensuring optimal performance and minimizing energy wastage.
Can you shed some light on Functional Safety Compliance of the Motor Controller platform?

Ans: The design and development of this motor controller for electric vehicle, adheres to the guidelines of the ISO 26262 Standard for Functional Safety in Automotive.

We have a dedicated team of Functional Safety Consultants and Engineers. This team has in-depth knowledge of the ISO 26262 standard and has also delivered successful Consulting and Implementation projects for our Global Automotive Customers.

We will also extend all the necessary support; in order to help you achieved the compliance for the required ASIL value, for your EV project.

What key safety features are integrated into an EV motor controller to meet industry standards?
Ans:  Motor controllers for Electric Vehicles include safety features such as fault detection, overcurrent protection, and emergency shutdown mechanisms, ensuring compliance with industry standards and enhancing overall vehicle safety.
How do you tune or optimize your FOC algorithm before testing it on the bench?

Ans: In order to minimize the bench testing and tuning efforts in the FOC algorithm, we tune it using Plant Model simulation.

Here, we simulate the actual operating environment of the Electric Motor and the Motor Controller Solution for FOC algorithm optimization.

Our Model Based Development team has expertise of more than 13 years in the Automotive Domain. They partner with our EV Team to help our customers save time & cost during Bench Testing.

Does your motor controller platform support regenerative braking?

Ans: Regenerative Braking is a must-have feature w.r.t an Electric Vehicle motor control system. Our platform too, is equipped with the software algorithm that does the voltage boosting necessary to achieve regenerative braking.

On which hardware platform have you designed this ECU solution? Can you provide support for development on other Microcontroller Platforms?

Ans: Our Motor controller solution for Electric Vehicles is built on TI C2000 Delfino family of microcontroller, which is an automotive grade MCU.

In order to help you develop the system on a different microcontroller, we will provide support for the necessary customization of the low-level drivers, of our base software module. The existing Hardware Abstraction Layer designed by our team can be reused completely.

How does the integration of IoT technology in a motor controller for Electric Vehicles, enhance connectivity and user experience?
Ans: The integration of IoT technology in an EV motor controller enables real-time data exchange, allowing users to monitor and control their vehicle remotely, showcasing the advancement of connectivity features and improving the overall user experience.
What are the different Automotive industry use-cases for which your Motor Control ECU solution can be leveraged to demonstrate our POC?

Ans: Our motor controller for electric vehicle is designed to drive different types of motors including BLDC, PMSM, and AC Induction motors.

For all the applications in which these motors are integrated in an Electric Vehicle, our motor control system can be leveraged to demonstrate your PoC.

(Specifications – Our motor controller ECU can drive 2 PMSM motors of 170 Watt and 5kW each, and 1 BLDC motor of 1 kW)

One of the most widely implemented use-case is the Drivetrain of Electric Vehicles (both two-wheelers and cars).

Other auxiliary motor applications can also be built using this platform.

Electronic Power Steering is another use case of our motor controller driven BLDC motor. It may not be specific to Electric Two-Wheelers, but every electric car/truck (four-wheeler or higher) will need power-steering.

How does an EV motor controller adapt to different driving conditions and user preferences?
Ans: An EV motor controller utilizes sophisticated control algorithms to adapt to various driving conditions and user preferences, providing a seamless and customized driving experience.
What are the vehicle diagnostics capabilities integrated in the Motor Controller ECU for EV?

Ans: We have implemented certain diagnostics and fault-handling capabilities in the motor control system ECU.

Following algorithms for diagnostics are implemented in the application layer:

  • Overload Protection
  • Over-voltage, Over-current protection
  • Fault detection and logging
  • Temperature Monitoring
How does the design of an EV motor controller address the challenge of overheating during prolonged use?
Ans: The design of a motor controller for Electric Vehicles incorporates advanced thermal management systems to mitigate overheating issues, ensuring consistent performance and prolonged lifespan.
Do you provide support for integration with the production environment as well?

Ans. Yes, we do provide support for integration in the production environment for the motor controller ECU.

We have a team of hardware engineers who can take care of the implementation of the application, HAL and LLD in the vehicle phase.

We can carry out this activity on-site or support from our premise.

What role does the motor controller for Electric Vehicles play in enhancing regenerative braking systems?
Ans. The motor controller manages regenerative braking by intelligently converting kinetic energy back into electrical energy, facilitating efficient battery charging and extending the vehicle’s range.
Please share the skill-set of the engineers involved in the development of this solution
Ans. The skill set of Engineers who have developed the motor control system is as follows:
In what ways does a motor controller contribute to the overall performance of an electric drivetrain?
Ans. A motor controller for Electric Vehicles optimizes the performance of the electric drivetrain by precisely controlling the motor’s speed, torque, and direction, resulting in efficient power delivery and enhanced driving dynamics.
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