Engineering Sciences MPSI (Engineering Prep) Revision Sheets
Engineering Sciences (SII) in MPSI study modern industrial systems: modeling, analysis, design. It's the subject that forms the "engineering mindset" combining mechanics, automatic control and power electronics.
Engineering Sciences curriculum in MPSI (Engineering Prep)
The curriculum covers six competencies: analyze, model, solve, experiment, communicate, design. Concretely, it covers rigid solid kinematics and statics, power transmission chains, automatic control (linear servos, transfer function, stability), and functional analysis of systems (SysML, state diagrams).
How to study engineering sciences in MPSI (Engineering Prep)?
3 simple steps for effective engineering sciences revision.
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Tips to succeed in engineering sciences MPSI (Engineering Prep)
SII is very methodical: ALWAYS follow the same functional analysis grid (horned beast, A-0, A-1, FAST)
Master usual Laplace transforms: they structure the entire control curriculum
Work with simulation software (Matlab/Simulink, Scilab) to visualize dynamic behaviors
For stability, memorize standard plots (Bode 1st order, 2nd order, integrator): more efficient than recalculating each time
FAQ — Engineering Sciences MPSI (Engineering Prep)
Should I choose MPSI with or without SII?
MPSI without SII (computer science option) is now MP2I. Choice depends on your project: MPSI-SII for Mines-Ponts, Centrale, ENSAM, industrial engineering schools; MP2I for computer science or Télécom Paris, X. SII coefficient weighs 8-10% at concours for MP (from MPSI-SII), often less for PSI. If unsure, MPSI-SII keeps more doors open.
How do I succeed in SII MPSI servo problems?
Three systematic steps: 1) model the system as a transfer function (use Laplace), 2) analyze stability (Routh-Hurwitz criterion, Bode/Nyquist plots) and performance (speed, precision, margin), 3) correct if needed (P, PI, PID). Master the 5 typical transfer functions (1st order, 2nd order damped/under-damped, integrator, derivative): 80% of exercises reduce to these.
Is SII less important than math in MPSI?
Yes in hours (4-6h vs 12h for math) and coefficient (~10% vs ~30% at concours). But it's the subject where you can "stand out": few students invest seriously, while examiners strongly value methodological mastery. With 3 hours of regular work weekly, you get a decent grade that can make the difference between HEC and top 5 engineering schools.
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