Magnetic
Levitation
System
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Magnetic Levitation System: PID Control Implementation and Analysis - Prof. Ahmad, Slides of Computer Systems Networking and Telecommunications
A project report on the implementation and analysis of a magnetic levitation system using pid control. The report details the key parameters considered, pid tuning process, and simulation results. It highlights the challenges of controlling the system due to its unstable and nonlinear behavior and the successful stabilization achieved by adjusting pid gains. The report also discusses the limitations of the system and potential areas for further improvement.
Typology: Slides
2023/2024
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Magnetic
Levitation
System
Group Members
- (^) 211952 M Sufyan Tariq
- (^) 212097 Ahmad Mehmood
- (^) 210171 Ahmed Raza
Key Parameters and
Adjustments
- (^) Parameters Considered:
- Mass of the object (0.0185 kg), resistance (18.2 ฮฉ), inductance (58.1 mH), gravitational constant, and magnetic force constant.
- (^) PID Tuning:
- Initial PID values (Kp = 995.5, Ki = 2825.5, Kd = 183.9) caused system instability.
- (^) Adjustments: Gains reduced by a factor of 1000 to stabilize the system.
Simulink Model
- (^) Values set in PID controller are ๐ = 995.5, ๐ผ = 2825.5 and ๐ท = 183. Ts= 2.5s
Simulation Result
- (^) If there are big oscillations before settling, the system may become unstable in practice because the oscillations can Overload the Hardware.
- (^) For this reason, we reduced PID values by a factor of 1000.
- (^) P = 0.9955,I = 2.8255 and D = 0.
Conclusion
- (^) The project aimed to apply Proportional-Integral- Derivative (PID) control theory and program it into a functional, real-world prototype.
- (^) After reducing the PID gains by 1000, the system achieved significant stabilization, resulting in the final gains of ๐พ๐ = 0.9955, ๐พ๐ = 2.8255, and ๐พ๐ = 0.1839.
- (^) However, minor oscillations were observed in the system due to external factors like the electromagnet overheating over time. Further finetuning of the PID gains may be necessary to minimize these oscillations.