EV PG Program Simulink Basics Session 08 of 8 MathWorks Onramp

Completion, Certificates & Capstone

Student Notes  ·  2 Hours  ·  Simulink Onramp Modules 10–11  ·  Certificate

Session08
Modules10, 11
Duration2 Hours
Milestone🏆 Onramp Certificate
Simulink Onramp Progress after this session Modules 1–11 of 11  (100%) 🏆
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Session Overview

This is the final Simulink session. Today you complete the Simulink Onramp, earn your MathWorks Simulink Onramp certificate, and consolidate everything built across Sessions 05–08 into a Simulink-to-EV concept map you keep for the rest of the programme.

The certificate is a real, shareable MathWorks credential — earned by completing the Module 11 assessment. Treat it as a professional milestone.

🧠
Block A — 15–20 min
Theory: Model-Based Design in industry, where Simulink sits in the EV development workflow, certificate preview
🎓
Blocks B & C — 90 min
Onramp Modules 10–11: final exercises, final assessment, certificate claim
⚡
Block D — 15 min
EV capstone: Simulink concept map + full powertrain whiteboard sketch
Objective
Complete the Simulink Onramp final assessment, earn the MathWorks certificate, and produce a Simulink concept map that links every block type, parameter, and hierarchy concept from Sessions 05–08 to a concrete EV engineering application.
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Recap — All Four Simulink Sessions

The assessment covers Modules 1–11. Confirm each before starting Block B.

What is a signal in Simulink?
A value that changes over simulation time — flowing along a wire between blocks.
What Gain value converts RPM to rad/s?
0.1047 (= 2π ÷ 60)
How do you create a subsystem?
Select blocks → Right-click → Create Subsystem from Selection.
How do you navigate back up from inside a subsystem?
Ctrl+Shift+U or breadcrumb trail.
What does Stop Time 1800 represent?
Full WLTP drive cycle duration.
What must you do after every parameter change?
Press ▶ Run again.
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The Certificate Assessment

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Simulink Onramp Certificate
MathWorks  ·  Earned after Module 11  ·  Industry-recognised credential

What the assessment covers

  • Navigating the Simulink environment
  • Adding and connecting blocks correctly
  • Setting block parameters
  • Running simulations and reading the Scope
  • Creating and navigating subsystems
  • Signal flow and hierarchy

Assessment tips

  • Build first, check later — run before verifying
  • Read the question twice before building
  • Port names must match the task exactly (case-sensitive)
  • Scope = time history. Display = final value
  • Gain value IS the conversion factor — don't overthink it
  • Wrong answer? Onramp shows the correct approach — use it
🏅
After earning your certificate, download it immediately from the MathWorks Onramp dashboard. Add it to LinkedIn under Licences & Certifications — issuing organisation: MathWorks.
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Model-Based Design — Where You Fit

Model-Based Design (MBD) is the workflow used by every major automotive OEM to develop, verify, and deploy vehicle software. Simulink is the tool at the centre of that workflow. Understanding where the skills you have built sit in the real engineering process gives the work its meaning.

Diagram — MBD pipeline, your coverage highlighted
flowchart LR S1["1 Concept & Spec"]:::done --> S2["2 Simulink Block Diagram"]:::done --> S3["3 Simulation & Verification"]:::done --> S4["4 Code Gen"]:::grey --> S5["5 ECU Deploy"]:::grey classDef done fill:#FCE7F3,stroke:#BE185D,color:#831843,font-weight:bold classDef grey fill:#F1F5F9,stroke:#CBD5E1,color:#94A3B8
StageWhat happensYour Simulink skill that covers it
1 — Concept & SpecEngineering requirements defined: power, voltage, torque, speed targetsBlock parameters — every Gain value traces to a real spec (Kt, gear ratio, 2π/60)
2 — Simulink ModelSystem built as a block diagram with subsystem hierarchySessions 05–08: blocks, signals, Gain, subsystems, named ports, hierarchy levels
3 — Simulation & VerificationModel run against drive cycles; Scope output checked against specificationScope literacy — reading amplitude, transient, and steady-state behaviour
Industry Reality
Every EV OEM — Tata, Mahindra, BYD, Volkswagen — uses this exact pipeline. The RPM→rad/s subsystem you built in Session 07 is structurally the same as Level-2 blocks in production vehicle models. The difference is complexity, not approach.
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Block D — Capstone Task

Block D ⏱ 15 min Simulink Concept Map & Powertrain Whiteboard

Group synthesis exercise. The output is your permanent EV reference sheet for the rest of the programme.

1
Fill in the concept map table

As a group, complete the Simulink concept map in Section 06 below. Map every Simulink concept from Sessions 05–08 to a concrete EV engineering application. Aim for at least 10 rows. Every row must name a specific block type, parameter, or hierarchy concept — not just "Simulink".

2
Whiteboard — full Simulink powertrain signal chain

Sketch the complete Simulink signal chain on the whiteboard: Throttle → Battery Pack subsystem → Motor Controller subsystem → Motor subsystem → Wheel Speed. Label every signal line with its name and units. Show at least one internal block inside the Motor Controller subsystem (e.g. the RPM_to_RadPerSec block you built). Every block must be named with its Simulink block type.

3
Group discussion — Simulink in EV engineering
Q1 — A battery pack subsystem has one input (charge current) and two outputs (terminal voltage, SoC). What are the Inport and Outport names you would use? Why does naming matter here?
Think about the engineer who connects the Battery Pack subsystem to the Motor Controller subsystem six months later
Q2 — In a real motor controller, the RPM→rad/s Gain block has a fixed value of 0.1047. What would you need to change in the Simulink model if the motor specification changed from 4000 RPM max to 6000 RPM max?
The Gain value does not change — it is a unit conversion, not a speed limit. Think about which block parameter would change.
Q3 — At Stage 3 of the MBD pipeline (Simulation & Verification), an engineer uses a Scope to check that the motor torque signal stays below 250 N·m during a simulated WLTP cycle. Which Scope reading tells them whether the constraint is satisfied?
Amplitude = peak value. If peak torque on the Scope exceeds 250 N·m, the model fails the verification step.
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Simulink Concept Map

Click any cell to edit it. Add rows for your own concepts. Enter your name, then save the completed map as a PNG image.

Simulink Concept Session Real EV Application
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Assessment Troubleshooting

❌ Model runs but assessment marks it wrong
Fix: Check exact parameter values and port names. Double-check Stop Time. Re-read the task — do not ask for the answer.
❌ Certificate button does not appear after Module 11
Fix: Check the Onramp progress tracker for any incomplete exercise (yellow dot). Complete it — the certificate only unlocks when all modules are 100% complete.
⚠️ Assessment: subsystem creation breaks connections
Fix: Ctrl+Z immediately. Re-read the task to confirm exactly which blocks to group, then retry.
⚠️ Assessment: wrong answer on Scope interpretation question
Amplitude = peak y-axis value. Steady state = where signal stops changing. Transient = initial rising/falling portion.
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Key Takeaways — All Four Sessions

⚖️S05: Simulink is graphical; MATLAB is scripted. A block is a function. A signal is a time-varying value on a wire.
⚙️S06: Every block parameter maps to a real hardware spec. Gain = conversion factor. Stop Time = drive cycle duration.
📦S07: Subsystems hide complexity and expose named ports — exactly like real hardware components.
🏭S08: Model-Based Design covers Concept → Simulink Model → Simulation & Verification. Every parameter in your model traces to a real engineering specification.
🏆Your Simulink Onramp certificate from MathWorks is a real credential — download it, share it, build on it.

What you have built

Across Sessions 05–08 you have gone from placing your first block to building a named, hierarchical, reusable Simulink model that mirrors the structure of real OEM powertrain simulations. The RPM→rad/s subsystem you built is not a training exercise — it is the exact conversion present in every real motor controller implementation.

The certificate you earned today is the entry credential for Model-Based Design work. The blocks, signals, parameters, and hierarchy you understand are the building blocks of every production EV simulation model, at any scale.

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