Modular and Adaptive EVSE 

The Modular and Adaptive Electric Vehicle Supply Equipment (MAEVSE) by Ecosense is a fully integrated educational and research platform that simulates the complete EV charging ecosystem. Designed for universities, polytechnics, and technical institutions, MAEVSE combines real EV hardware with open-source control software, enabling students and researchers to explore every aspect of EV charging technology—from onboard AC charging to off-board DC fast charging—through hands-on experimentation, data analysis, and control algorithm development. This lab-grade platform is engineered to bridge the gap between theoretical knowledge and real-world EV infrastructure. 

Key Features

  • Complete Learning and Research Platform: Designed for academic and research institutions, MAEVSE enables hands-on exploration of EV charging systems, protocols, and safety mechanisms using real-world hardware.
  • Integrated Charging Environment: Includes battery bank, AC slow charger, DC fast charger, and central controller, enabling users to run test cases without the need for additional external equipment.
  • Support for Onboard and Off-board Charging: Allows experimentation with AC onboard chargers and DC off-board fast chargers, replicating real-life EV charging scenarios.
  • Open-Source Control and Algorithm Development: MAEVSE’s control unit is built around an FPGA platform. Users can access and modify source code to customize logic, apply different charging protocols, simulate fault responses, and perform real-time testing of control strategies. Communication via UART or Ethernet supports flexibility in development.
  • Real-Time System Behavior Simulation: Simulates EV charging workflows including communication, safety, charging cycle, and shutdown phases.
  • Application Software with Feedback Loop: A powerful PC-based application interfaces with the FPGA to send control commands, monitor system states, and log data. Real-time sensor feedback (voltage, current, temperature) enables control loop experimentation and tuning of charging parameters.
Ecosense

Learning Module 

Ecosense

Charging Process Phases

  • Startup Phase
    Study handshake and authentication protocols between EV and charger (e.g., OCPP, CCS).
  • Charging Phase
    • Observe charging characteristics using onboard AC charger
    • Evaluate performance with DC fast charging via off-board charger
    • Monitor voltage, current, temperature, and SoC during charging
  • Shutdown Phase
    Analyze proper disengagement protocols and safety verification upon charging termination

Control System Experiments

  • Modify FPGA-controlled charging algorithms
  • Simulate fault responses and optimize charging performance
  • Explore control signal flow and feedback integration

Software-Defined Testing

  • Develop test cases using the open-source software
  • Communicate with FPGA over UART or Ethernet
  • Visualize real-time charging data and system response

Technical Description

  • The Modular and Adaptive EVSE is a lab-grade electric vehicle charging system designed to study AC and DC charging architectures in a controlled environment.
  • The system is built around a modular power electronics structure, allowing independent configuration of input stages, protection units, control modules, and output interfaces.
  • It supports experimentation with single-phase and three-phase AC charging as well as off-board DC charging concepts, reflecting real EV charging infrastructure.
  • An embedded programmable controller manages charging logic, safety interlocks, pilot signaling, and protection coordination.
  • Electrical parameters such as voltage, current, power, and energy are measured and logged in real time for analysis and reporting.
  • The EVSE can be interfaced with battery packs, EV driveline simulators, or emulated vehicle loads for repeatable testing.
  • Open control architecture enables custom algorithm development, fault simulation, and adaptive charging strategy validation.
  • Designed for academic labs, the system emphasizes safe operation, visibility of signals, and hands-on learning in EV charging technologies
Ecosense

Technical Specifications 

Ecosense

Charging & Power System

ParametersSpecifications
AC Charging TypeLevel-2 AC Slow Charging
AC Charging PowerUp to 3.3 kW
DC Fast ChargingUp to 9 kW (Off-board)
DC Output RangeUp to 120 V, 0–25 A

Battery & Energy Storage


ParametersSpecifications
Battery ChemistryLFP
Nominal Battery Voltage72 V
Battery Capacity150 Ah
Cycle Life3000 cycles

* specifications can be customized as per user's requirement

Control, Interface & Safety


ParametersSpecifications
Central ControllerFPGA / Microcontroller
Software PlatformOpen-source, user-modifiable
CommunicationRS-485, Bluetooth
Data MonitoringReal-time voltage, current, power logging

* specifications can be customized as per user's requirement

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Frequently Asked Questions

The Modular and Adaptive EVSE supports both AC slow charging (on-board charger) and DC fast charging (off-board charger). This allows users to compare charging characteristics, control strategies, and communication differences between AC and DC EV charging architectures.

Yes. The system is built on an open-source control platform governed by a programmable FPGA controller. Users can design, modify, and validate their own charging algorithms, safety logic, and adaptive charging strategies.

The EVSE is specifically designed for indoor academic and research labs. It incorporates multiple safety interlocks, software-controlled operation, and clear signal visibility, making it safe for classroom and laboratory environments.

Users can study charging start-up, steady-state charging behavior, and shutdown sequences, along with on-board vs off-board charger performance, battery response, and communication with BMS and controllers.

Yes. The system can be integrated with battery packs, EV driveline simulators, and other EV lab modules, enabling a complete EV ecosystem for charging, storage, and propulsion studies.

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