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How to Resolve 120-Second Delay in Simulink and Python TCP/IP Communication?
- Hardware-in-the-Loop (HIL) simulations often face delays, like the 120-second delay between a Python script on a Raspberry Pi and a Simulink model on a PC via TCP/IP.
- The delay issue between Python commands and Simulink execution suggests TCP/IP settings misconfiguration or synchronization problems.
- HIL simulation communication involves data transmission, control command reception, and data reception in Simulink for immediate feedback.
- Possible causes of the delay include network latency, simulation timing mismatch, data processing delays, and TCP/IP block settings.
- To resolve the delay, adjustments like setting the block sample time, implementing non-blocking mode, analyzing Python logs, using time stamping, and debugging are recommended.
- Understanding implications of blocking vs. non-blocking TCP/IP connections and minimizing transmitted data size are essential in reducing delays.
- Ensuring network stability, testing configurations, and fine-tuning synchronization can help in resolving the 120-second delay effectively.
- It's crucial to analyze and optimize TCP/IP settings, data processing, and network conditions for efficient communication between Python and Simulink.
- By following the suggested steps and FAQs to address delay causes, achieving timely response and integration of control commands in simulation steps is feasible.
- Efforts to troubleshoot, adjust configurations, and enhance synchronization will lead to minimized or eliminated delays in HIL simulations.
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