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IAI - Israel Aerospace Industries

Israel Aerospace Industries was looking for an electric motor testing system that would be used to test the different electric hardware applications and motors at laboratory, simulating the conditions they will have in final application.

IAI applications include: electric airplanes and drones, electric vehicles, robots, etc.

All applications include unique, light weight motors and controllers with high torque and speed.

About the Product:

IAI’s laboratory system includes the capabilities of testing electric motors from 1 kW up to 140 kW, with their hardware. The system has the option for future upgrade to test motors of up to 300 kW.

MAIN CAPABILITIES

The testing solution Motomea supplied is the Regenerative Dynamometer System (RDS).

  • Control loops testing:
    • Voltage, Speed, Torque.
  • Complete Load performance testing:
    • Torque, Speed, Current, Efficiency, Input Power, Output Power.
  • Automatic Temperature rise testing:
    • 2 to 16 channels for thermocouple, PT100, and/or thermistor.
    • Temperature readings are synchronized with Current, Voltage, Speed, Torque, Input Power, Output Power.
    • S1 to S8 IEC duty cycles.
  • Load from Excel – Load according to predefined Table or Formula.
  • Fan load simulation, at different static and dynamic conditions.
  • Bidirectional power supply of up to 1000 V / 1000 A.
  • Battery Simulation (simple and advanced batteries):
    • Cycle testing (Charge/Discharge).
    • SOC (State Of Charge) script.
    • SOD (State Of Discharge) script.
    • Special feature: Low voltage dip at current transient.
    • System includes Output Filter with high capacitance.
    • U mode: Voltage Control (CV).
  • Unique Battery Testing (simple and advanced batteries):
    • SOC (State Of Charge) script.
    • SOD (State Of Discharge) script.
    • I+ mode: Current Control (CC+).
    • I- mode: Current Control (CC-).
    • P mode: Power Control (CP), CC-CV.
    • Step for cut-off condition (ET, EV, EC, CC time, CV time, Cap%, etc.)
    • Protection (OV & LV, OC & LC, OT).
  • Generator Testing – ISG.
  • Standard electrical parameters testing:
    • HV, Vibration, Noise, and others.
  • Additional testing:
    • Cogging, Back EMF, Friction, Friction Spectrum, Ripple Torque.
  • Additional EV tests:
    • Performance Generating & Performance Motoring modes.
    • Stall Torque, Cogging Torque.
    • Back EMF RMS, Open Circuit Back EMF, Back EMF Constant KE.
    • No Load Coupled & Uncoupled.
    • Torque Ripple Measurements at Low RPM & at High RPM.
    • Electromechanical Time Constant.
    • Voltage and Current Harmonics.
    • Load from Excel File.
    • Speed Torque Scope Viewer.
    • Deceleration Test (MOI Calculation).
    • Servo Bandwidth (Speed Loop & Current Loop).
    • Dynamic Testing during acceleration and deceleration.
    • Friction vs. Speed, Friction Drag Torque.
    • Torque Speed FFT.
    • Performance at Variable Voltage.
    • Inductance Test 3 Phases.
    • Vibration.
    • ISG Tests: Generation Characteristic.
    • ISO Efficiency Tests: ISO Efficiency and ISO Efficiency Contour.
  • Hardware-in-Loop (HiL) solutions for nose-wheel steering, iron bird & ISTR rigs.
  • Applications where the Motor Under Test (MUT) can be BLDC, PMSM, and other unique motors.
  • MUT can be controlled via CAN, PWM, analog, and other types of communication protocols.