Product Overview

Decibels Lab offers a comprehensive range of Motor Test Benches for Electric Vehicle R&D, built to evaluate performance, efficiency, thermal behavior, and dynamic response under various load conditions.

These benches are designed for academic institutions, research centers, and EV manufacturers looking to assess motor control strategies, torque-speed curves, and efficiency maps in real-world scenarios.

Product Variants & Specifications


Specification 4 Quadrant Load Dynamometer
Product ID DB-MTB-4Q-01
Load Type 4 Quardrant Load Dynamometer 
Absorber Power 4 kW
Max Torque 50 Nm
Max RPM
2500
Measurements Motor Torque, Motor Speed, Motor Power
Motor Type (Under Test) PMSM Motor (provided with test setup)
Motor Power (Under Test) 1 kW
Controller Power Supply 48V DC / 2100 W
Matched BLDC Controller 48V
Data Logging   Custom GUI with DAQ 
Test Software  Windows-based PC with Software
Optional Modules Power Analyser (not included in the setup)
Supply Consists Of Test equipment, All-in-one PC & Custom Table
Online Course Access 1 Year Validity – Equipment Software Functionality & Working

Experiments & Applications

With this test vehicle, users can explore

  • Torque-Speed Mapping

    Analyze motor performance across a wide operating range.

  • Load Simulation

    Simulate real driving conditions using mechanical/electrical loading.

  • Controller Algorithm Testing

    Validate motor control strategies with 4Q setup.

  • Thermal Response Studies

    Observe heating behavior under sustained load.

  • Efficiency Evaluation

    Generate efficiency curves and operating zones.

  • Academic Research & Training

    Ideal for labs focused on EV drive systems.