IDS - Inertial Dynamometer Systems

Worldwide patented systems "Inertial Dynamometer" performing the complete load tests without any load, for all motor types, Paving a new era for testing electric motors.
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Accelerating Motor Testing Excellence

Experience unmatched performance, speed, and precision with Motomea’s Inertial Dynamometer System (IDS). Engineered with patented technology, the IDS delivers full-load performance analysis—from stall to no-load—without requiring external mechanical loading.

With advanced dynamic testing features, including ripple torque, cogging, and friction spectrum analysis, the IDS provides comprehensive insight into motor behavior under real-world acceleration and deceleration conditions. Ideal for R&D, Quality Assurance, and End-of-Line environments.

Purpose-built for reliability, high throughput, and integration into modern test labs, the IDS ensures data-rich, actionable diagnostics for every motor—every time.

IDS EXPLAINED

As pioneers in motor testing technology and the inventors of the Inertial Dynamometer, Motomea has been delivering cutting-edge motor testing equipment for over 25 years. Our products are designed to accurately test, measure, and control torque, speed, and power across a wide range of electric motor applications.

We are a globally recognized leader in motor test equipment manufacturing, committed to developing innovative solutions that optimize efficiency and reduce costs. Our team of highly skilled engineers, spanning electrical, mechanical, electronic, and software disciplines—ensures that every product meets the highest technical standards, and also provide reliable clear output and perform well under rigorous and harsh environment conditions.

Motomea offers an extensive portfolio of advanced measurement and control solutions, supported by a global network of experienced sales representatives and technical service professionals.

TECHNOLOGY

Motomea offers tailored mechanical and electrical engineering solutions to meet specific customer needs, enhancing system performance. Our patented dynamic motor testing system analyzes motors and powertrains during acceleration and deceleration, ensuring comprehensive testing across a wide range of speeds and torques. Designed for modern e-drive systems, our optimized test systems are future-proof.

Motomea maintains ISO 9001:2015 quality management certification for all company sections, and products are built to complete turnkey systems

Tests Performed

  • Torque
  • Current
  • Speed
  • Power Input
  • Power Output
  • Efficiency
  • Power Factor
  • Time
  • Torque Friction
  • Torque Ripple
  • Friction Spectrum
  • Cogging Torque Level
  • High Frequency / PWM Tests
  • Dynamic Torque
  • Imbalances
  • Torque & Speed Spectrum
  • Torque & Speed Oscillations
  • Direction of Rotation
  • Magnetic Hum Noise

How Motomea IDS Solution – Key Benefits

  • Full Load Performance Testing:
    Measures torque, speed, current, voltage, power input/output, and power factor from stall to no-load without external mechanical load.
  • Real Dynamic Performance Measurement:
    Captures data during acceleration/deceleration to reveal true motor behavior in real time.
  • Ripple & Cogging Torque Detection:
    Identifies fine dynamic characteristics such as ripple torque and cogging, critical for precision motor applications.
  • Advanced Friction Analysis:
    Evaluates friction torque, power loss due to friction, and friction spectrum for efficiency diagnostics.
  • Wide Frequency Spectrum Analysis:
    Displays speed and torque spectrums across a broad frequency range to detect high-frequency mechanical/electrical issues.
  • Back EMF Analysis:
    Includes open-circuit and loaded back EMF measurements and constants (Ke) for motor characterization.
  • Comprehensive Data Output:
    Provides RMS, AVG, and real-time values with high accuracy (±0.2%) for in-depth motor analysis.
  • Time-Based Data Visualization:
    Plots all performance metrics over time to support trend analysis and diagnostics.
  • Customizable Reporting:
    Generates Excel and PDF reports tailored to user and QA standards.
  • Application-Based Testing:
    Enables testing in real operating environments (R&D, QA, EOL), validating real-world performance.
  • Built-In Safety Protections:
    Includes short-circuit protection and secure system shutdown features.
  • Modular System Integration:
    Compatible with Hardware-in-the-Loop (HiL), CANbus protocols, and test automation systems.
  • Standards Compliance:
    Meets international testing norms such as IEC 60034-2-1, IEEE 112-2004, and CSA C390-10.

Components of the IDS Solution

  • Inertial Load Module – Precision-engineered flywheel and motor integration that simulates mechanical load through the moment of inertia, eliminating the need for external loading systems.
  • IDS Software Suite – Advanced data acquisition and analysis platform for real-time monitoring of torque, speed, power, ripple, cogging, and dynamic performance metrics across full load ranges.
  • High-Speed Data Acquisition System – Captures high-resolution performance metrics during acceleration and deceleration, ensuring accurate detection of torque ripple, back EMF, and efficiency anomalies.
  • Integrated Sensor Array – Includes torque sensors, high-speed encoders, temperature sensors, and vibration transducers for comprehensive dynamic and static testing.
  • Motor Control & Drive System – Closed-loop servo drive architecture enabling seamless acceleration from stall to no-load conditions with precise control and safety features.
  • Power Supply & Safety Enclosure – Robust, industrial-grade power delivery and protection system, engineered for continuous lab or production use under high-current, high-voltage conditions.
  • Cloud-Enabled Data Export & Reporting Tools – Enables secure cloud connectivity and generation of automated reports (PDF, Excel), suitable for QA, R&D, and compliance documentation.
  • Modular Test Bench Integration – Flexible design supporting different motor types and sizes, enabling adaptation to EOL, R&D, or pilot production environments.

DIFFERENCES BETWEEN (IDS) INERTIAL DYNAMOMETER AND TRADITIONAL DYNAMOMETER

Inertial Dynamometer

Traditional Dynamometer

Very simple test procedure

More complex test procedure

Fast results (a few seconds)

Long test cycle time

Does not require any complicated mechanical coupling nor any adjustment

Requires additional complex and accurate coupling

Applicable for Quality Control, R&D, and End of Line

Applicable for Quality Control, R&D

No need for previous skills

Requires know-how and expertise

A simple and generic holding device, supplied with the system

Requires additional complex and heavy-duty holding device

Get in touch with us

MOTOMEA invites you to contact us!

Ready to elevate your motor testing and predictive maintenance strategies? We're here to help. Whether you have questions about our solutions, need personalized advice, or want to explore partnership opportunities, we're just a message away. Connect with us today to unlock the full potential of your operations and drive success in the world of motor testing and predictive maintenance. Let's innovate together!