#Hands-on

Control Engineering Primer September 8, 2026 Lab

Run a Kalman filter in Python: noise, missing data and outliers

Compare Q, R and outlier gating on one synthetic trajectory using estimation error and rejected observations.

Hands-on · 3 min Robotics Primer September 8, 2026 Lab

Why ICP fails: initialization, outliers and symmetric geometry

Run 2D registration and distinguish residuals, correspondence coverage and true pose error.

Hands-on · 3 min Notes September 8, 2026 Lab

Where Docker data lives: layers, volumes and backups

Distinguish writable layers, named volumes and bind mounts, then verify persistence across container recreation.

Hands-on · 3 min Notes September 8, 2026 Lab

Measure home-server power: idle, inference and storage

Log wall-side active power consistently and compare idle demand and energy per completed workload.

Hands-on · 4 min Machine Learning Primer September 8, 2026 Lab

Benchmark local LLMs: first response, generation rate and memory

Measure first answer content separately from generation rate and control residency, caching and memory conditions.

Hands-on · 3 min Robotics Primer September 8, 2026 Lab

Nav2 has a path but will not move: a diagnostic workflow

Inspect geometry, costmaps, control feasibility and command delivery to explain a stopped robot.

Hands-on · 4 min Power Engineering Primer September 8, 2026 Lab

Simulate grid frequency: imbalance, inertia and primary response

Use a simple one-area model to separate inertia from primary frequency response after a supply deficit.

Hands-on · 3 min Robotics Primer September 8, 2026 Lab

Reproduce robot failures with rosbag2: inputs, TF and time

Build controlled replay comparisons and diagnose duplicate TF publishers and mixed time sources.

Hands-on · 5 min Sensors & Hardware September 8, 2026 Lab

Read a stationary IMU log: bias, scatter and Allan deviation

Compute mean, standard deviation and non-overlapping Allan deviation without overinterpreting a short gyro log.

Hands-on · 3 min Sensors & Hardware September 8, 2026 Lab

Sampling and aliasing: why faster polling is not enough

Reproduce identical samples from 12 Hz and 8 Hz signals and distinguish ODR, bandwidth, polling and decimation.

Hands-on · 2 min Control Engineering Primer September 7, 2026 Lab

Experiment with PID in Python — gains, delay and saturation

Reproduce how measurement delay, actuator limits and integral windup change PID tracking on the same second-order model.

Hands-on · 2 min Notes September 7, 2026 Lab

Home-server backup and recovery — a small restore exercise

Distinguish restored files from usable application data with a small SQLite exercise, then map the checks to a real server.

Hands-on · 4 min Robotics Primer September 7, 2026 Lab

From mapping to navigation in ROS 2 — a minimal Jazzy and Nav2 procedure

Use the Jazzy simulation to check mapping, map saving, reloading and goal navigation as separate steps.

Hands-on · 4 min Robotics Primer September 7, 2026 Lab

How to evaluate SLAM — ATE, RPE, runtime and failures

Use synthetic trajectories to distinguish absolute and relative errors, then define matching, alignment and failure reporting for an evaluation.

Hands-on · 3 min