The EMH (electric motor HIL) solution is based on the DS5202 FPGA Base Board. It gives you all the I/O channels that are needed for HIL simulation of electric motors, such as high-precision digital capturing of 3-phase PWM signals and position sensor simulation, plus several digital and analog I/O channels.
The EMH (electric motor HIL) solution is based on the DS5202 FPGA Base Board. It gives you all the I/O channels that are needed for HIL simulation of electric drives, such as high-precision digital capturing of 3-phase PWM signals and position sensor simulation, plus several digital and analog I/O channels. It combines the features of the DS5202 PWM and PSS solutions with many additional multipurpose channels, and enables efficient testing of electronic control units (ECUs) for electric drives on a single I/O board.
The DS5202 EMH solution combined with a simulation model allows you to measure the signals of up to 2 electric machines with up to 8 power switch control signals each, for example, IGBTs (insulated-gate bipolar transistors). There is a choice of three operating modes: software polling, external interrupt source, and internal pulse center interrupt source, meaning clock generation based on the measured PWM signals, which is the most suitable way of avoiding beat effects.
| Parameter | Specification |
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| Number of channels |
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| Resolution |
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| Center-aligned capture groups |
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| Input voltage range |
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| Adjustable thresholds |
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| Input resistance |
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| Protection |
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| Parameter | Specification |
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| Number of independent APU units |
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| APU angle precision |
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| APU update rate |
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| APU speed range |
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| Parameter | Specification |
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| Number of Analog Sensors |
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| Sensor types |
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| Number of pole pairs |
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| Adjustable angle offset |
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| Resolver accuracy |
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| Resolver transformation ratio |
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Resolver Failure Simulation |
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Additional delay for resolver feedback signals: |
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Amplitude error (dos - degradation of signal): |
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Phase error (lot - loss of position tracking): |
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| User defined waveform resolution (16,384 values) |
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Analog Input (Resolver Excitation Input) |
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Channels: |
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Input range: |
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Resolution: |
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Sampling rate: |
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Protection: |
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Resolver excitation-coil simulation: |
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| Analog Output (Cosine / Sine) |
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| Channels: |
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| Output range: |
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| Resolution: |
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| Sampling rate: |
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| Output mode: |
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| Protection: |
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| Analog Output (Index) |
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| Channels: |
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| Output range: |
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| Resolution: |
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| Sampling rate: |
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| Output mode: |
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| Protection: |
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| Parameter | Specification |
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| Number of digital sensors |
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| Sensor types |
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| Number of pole pairs |
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| User defined waveform resolution (8,192 values) |
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| Digital Output |
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| Channels: |
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| Output range: |
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| Sample rate: |
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| Output current: |
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| Protection: |
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| Parameter | Specification |
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| Number of serial sensors |
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| Sensor types |
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| Number of multi turn bits |
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| Number of single turn bits |
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| RS485 |
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| Channels: |
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| Maximum data rate: |
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| Protection: |
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| Parameter | Specification |
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| Analog outputs |
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| Analog inputs |
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| Digital inputs |
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| Digital outputs |
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A typical use case is a hardware-in-the-loop (HIL) simulation where the electric motor including the electronic power stage is simulated by means of the dSPACE modular real-time hardware. Simulation models like dSPACE Automotive Simulation Models – ASM Electric Components Library are used for simulating the electric components. The gate driver signals (typically PWM signals) coming from a controller are measured by the DS5202 EMH solution, and calculated motor current signals are sent back to the controller by means of analog voltage signals, which can also be provided by the DS5202 EMH solution. In addition, the DS5202 EMH solution provides the necessary position sensor signals for the ECU.