Aerospace
MEA RDS & IDS Aerospace Motor Testing
In the aerospace and aviation industry, type certification procedures for aircraft is now paving its way for electrical plans for different applications.
The application can start with the electrical plane without pilot and continue with future passenger planes that will be completely electrical.
MEA is currently supporting its aerospace customers with its unique capabilities of testing the new challenge.
About the Product:
IAI’s laboratory system includes the capabilities of testing 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.
Selected Capabilities:
System includes:
- Nested Control Loops (Voltage, Speed, Torque).
- Complete load performance testing: Torque, Speed, Current, Efficiency, Input Power, Output Power.
- Automatic temperature rise test: Thermocouple and/or PT-100 and/or thermistor (all types) device with 4 to 16 temperature channels, Current, Voltage, Speed, Torque, Input Power, Output Power, all synchronized to each temperature measurement, and all can be tested with S1 to S8 – IEC duty cycles of operation for electrical motors.
- Load from Excel – Load according to predefined Table or Formula.
- Fan load simulation, at different static and dynamic conditions.
- Battery simulation capabilities are performed with Bidirectional power supply of up to 1000 V / 1000 A.
- Unique Battery testing capabilities that include SOC (State of Charge) script and SOD (State of Discharge) script, for simple and advanced batteries.
- Battery Simulation: Battery cycle testing (Charge/Discharge), Battery SOC (State Of Charge) script and Battery SOD (State Of Discharge) script, during advanced battery simulation and simple battery simulation; Special feature: Low voltage dip at current transient; System includes Output Filter with high capacitance; Testing at U mode: Voltage Control (CV).
- Battery Testing: 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.
- Performance Generating mode & Performance Motoring mode that includes: 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-the-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. The MUT could be controlled via CAN, PWM, Analog, and other types of communication protocols.
- Motor Under Test (PWM, CAN, Analog).
- SOC (State of Charge) script and SOD (State of Discharge) script.
- Vibration monitoring hardware and software.
- Generator testing.
Photos of the Customer’s system at their facilities:
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In the aerospace and aviation industry, type certification procedures for aircraft is now paving its way for electrical plans for different applications.
The application can start with the electrical plane without pilot and continue with future passenger planes that will be completely electrical.
MEA is currently supporting its aerospace customers with its unique capabilities of testing the new challenge.
Selected Capabilities:
- Nested Control Loops (Voltage, Speed, Torque).Load from excel
- Load According to Predefined Table or Formula.
- FAN load simulation at different static and dynamic conditions.
- Motor Under Test (PWM, CAN, Analog).
- Battery simulation with Bidirectional power supply up to 1200Volt 1000A.
- SOC (State of Charge) script and SOD (State of Discharge) script.
- Hardware-in-the-Loop (HiL) solutions for nose-wheel steering, iron bird & ISTR rigs.
- Vibration monitoring hardware and software.
- Generator testing
MEA supply:
Development of loading testing systems for Cargo & Plane without a pilot. Testing systems for Acceptance Test Procedure (ATP) and for the End of Line testing (production certification), Development testbed for high-lift systems.
Our system includes:
Traditional load performances including Nested Control Loops (Voltage, Speed, Torque), Load from excel, Load According to Predefined Table or Formula, etc.
FAN load simulation at different static and dynamic conditions.
Motor Under Test can be controlled via the system with PWM, CAN, Analog, etc.
Battery simulation with Bidirectional power supply up to 1200Volt 1000A. SOC (State of Charge) script and SOD (State of Discharge) script with advanced battery simulation and Simple battery simulation
Servo Bandwidth → MUT and Driver Bandwidth (Speed Loop, Current Loop)
Hardware-in-the-Loop (HiL) solutions for nose-wheel steering, iron bird & ISTR rigs
Pressure and temperature scanner interfaces for turbine engine test cells
Vibration monitoring hardware and software
Generator testing:
Rotating Generator CCW & CW (Generating mode) with Different test options.
Selected Systems:
