MAO launched new Chroma 1210 electric assembly test system used in pure electric passenger or commercial vehicles and hydrogen fuel cell battery hybrid models of power system, provide new energy automobile power system simulation test, test items include motor, gearbox, motor controller and electric drive system, etc.
Chroma 1210 electric assembly bench testing system is mainly used for automobile power system calibration and verification, the performance of a loading vehicle dynamic model for the verification of the mechanical parts of system simulation, system operation manual or program control, and can be synchronous record the voltage, current, power, speed, torque, physical parameters such as temperature, used to calculate the efficiency of the motor and controller and draw cloud curve.Electricity generated by testing through the Chroma 17040 energy recovery device back to the grid, and use the 17040 battery simulation function, instant response characteristics of battery, when simulating the vehicle to increase reliability verification.
Electric assembly bench testing system has four quadrant operation ability, under rated speed can keep constant torque load (zero speed or even reverse), above the rated speed can be constant power load.One-piece mechanical design load, can be tested the whole speed range;Modularization clamping design, can be applied to different test machine.
System has over current protection, over-voltage protection, under-voltage protection, short circuit protection, power supply shortage of phase identification, system protection mechanisms, such as temperature monitoring and warning function overload response.Its E - Propulsion control Test system software has loaded DBC, associated DBC, manual control and monitoring data, etc.;Test the instantaneous value of interface can be real-time display (voltage, current and rotating speed, torque, input power, output power, efficiency, temperature, etc.), and can according to certain time (set) to collect data.During testing curve drawing at the same time, the output statements, contains the test process of graph (voltage, current and rotating speed, torque, input power, output power, efficiency, temperature, etc.).System adopt an open software architecture, with a quick links to laboratory tests and security monitoring equipment capability, and configure the vibration monitoring module, synchronous monitoring platform with the test running condition, so as to complete integration and the integration of laboratory management.
System composition
The Load Dynamometer
Load dynamometer is used to measure torque and rotational speed or power equipment, including AC Motor, torque meter, test bench, coupling, shielding, E - Motor installation fixture.
The Power Drive Unit
Test-bed is used to control AC - in the high performance of Motor power drive unit.
The Data Acquisition Unit
Record the data of various physical quantities, and provide DIO/AIO/CAN/CAN FD/EtherCAT interface for customers to use.
The Host Unit
Can perform control Software E - Propulsion Test Software, system control, data monitoring, safety alarm, etc.
'Emulator
Simulate vehicle battery charge and discharge dynamic behavior, have energy recovery function, etc.
Vibration monitoring module (Vibration Monitor Unit)
Using the VMU real-time data acquisition function, through the way of data accumulation, through algorithm of automatic analysis, statistical analysis, judgment, for the users to more easily understand the operation state of test piece, and even predict the dynamic characteristics of mechanical failure in advance, avoid mechanical damage without any warning.Products provide five characteristics of vibration monitoring of rotor motor, as shown below:
System features
System security - extending the service life of the equipment
- Has overcurrent, overvoltage, undervoltage, short circuit, power supply shortage of phase identification, system protection mechanisms, such as temperature monitoring and warning overload response.
- Control system adopt double circuit protection mechanism (Dual loop mode protection), to create a safe operating environment effectively.
- Configure a real-time Vibration monitoring module (Vibration Monitor Unit), at the same time monitoring electric assembly test system and test running condition, real time data acquisition and data algorithm through Spectrum overall value (SOA) system management, such as system abnormalities, immediate feedback to control the alarm or downtime, etc.
The data of measurement - increase reliability experiment
Data monitoring interface can display instantaneous value of the test, including voltage, current, rotational speed, torque, input power, output power, efficiency, temperature, etc.
Can synchronization acquisition data, and adjust the sampling frequency in accordance with the different testing requirements.
CAN choose synchronization acquisition CAN/CAN FD data or other physical quantities.
Test - reduce motor quality abnormal vibration characteristics analysis
- Real-time detection, reliable automated fault diagnosis.
- Testing quality assurance - continuous monitoring of test piece and shorten the test time for abnormal product.
- Deep learning - intelligent learning mechanical behavior and the detection of vibration characteristics of rotor, such as balance, treat bad, shaft bending, shaft friction, mechanical looseness and other characteristics.
Electric assembly bench testing software - E - Propulsion Test
Chroma provide electric assembly bench testing software E - Propulsion Test, a real-time control system, the synchronous control motor drive and support CAN/CAN FD/EtherCAT communications format, data monitoring picture CAN offer customization services.In the dynamic simulation on the real vehicle conditions, using the Altair Activate the vehicle mathematical model, can remit such as NEDC, WLTP international automobile power system operating mode test verification.In addition, through the function of the software to simulate the vehicle power battery, with the help of the actual mechanical kinetic energy consumption and recharge, is used to validate the battery management system, calculate the vehicle range.
 Bring the user to control the picture |
 Bring data monitoring picture |
E - Propulsion Test can measure all kinds of motor and its controller, all collected data synchronism, this way can the comprehensive analysis of all kinds of electric drive system (single motor, motor and generator, 2 ~ 4 wheels or hydrogen fuel hybrid system, etc.), and at the same time considering other load (heating, air conditioning, 24 v, 12 v, etc.).Typical electric vehicle test according to the different driving conditions (urban traffic/long mountain road), motor controller will work on different switching frequency, to improve efficiency.And real environment there are many factors will affect the energy consumption of electric cars, such as environmental factors include temperature, weather, road quality or driving conditions (uphill, downhill, city road, long mountain road, or mixture pavement), or a different driver driving habits are different.E - Propulsion can Test in the process of Test, at the same time to consider the effects of all of the above parameters and measurement analysis.
Bring about test report output
PHIL system application architecture (Vehicle Model Simulation on the Test Bench)
Test items:
Power system/components environment adaptability test project
- Low temperature test
- High temperature test
General pilot project components
- Motor speed test
Power system test items
- Locked-rotor torque
- Feeder features
- Power system efficiency
- Torque - speed characteristics
- Maximum operating speed
- Peak/continuous output
- Working voltage range
- The motor controller working current
- V: peak torque
- The response time
- Control precision
- Temperature rise test
- Reliability test
- System calibration and verification
- Endurance test
- The working condition of vehicle simulation test
