Wired White
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733 Activity 
Calcs
Series Elastic Actuator: Spring Stiffness, Impact and Bandwidth
Wired White v2 Size an SEA spring for robot-leg impacts and force control. Compare nonlinear impact forces, spring travel, motor-limited bandwidth and output impedance across stiffness.
Robot Joint RMS Torque & S1 Motor Thermal Check
Wired White v2 Size a robot joint motor from a time–angle table or smooth trajectory. Check RMS and peak torque, the speed–torque curve, and winding temperature over repeated cycles.
Hexapod Leg Inverse Kinematics: 3-DOF Cycloidal Step and Workspace
Wired White v2 Calculate 3-DOF coxa–femur–tibia joint angles and speeds for a cycloidal swing. Animate the leg and explore joint-limited workspace and velocity manipulability.
Cycloidal & Planetary Reducer: Stress, Stiffness and Backlash
Wired White v2 Size a robot joint reducer using modified cycloid profiles or involute planetary meshes. Solve contact loads, Hertz pressure, torsional stiffness and clearance-driven backlash.
Humanoid Push Recovery: Capture Point, DCM and Step Placement
Wired White v3 Can a humanoid stop after a push? Calculate capture point and DCM motion, finite-foot N-step capture regions, touchdown deadlines and recovery foot placements.
Hexapod Gait Stability: Slopes, Support Polygon and ZMP
Wired White v2 Compare tripod, ripple and wave gaits on slopes and uneven footholds. Evaluate static margin, tipping energy, force-angle reserve and body-acceleration ZMP through a complete cycle.
QDD Actuator: Gear Ratio, Inertia, Bandwidth and Heating
Wired White v2 Size a quasi direct drive robot joint: compare gear ratios, reflected inertia, torque bandwidth and voltage limits, then simulate winding and housing heating during running and jumping.
Drone Ground Effect: Hover Thrust Gain and Pitch Stability
Wired White v2 Estimate quadcopter hover thrust gain, power saving and pitch moment near a landing-pad edge using Cheeseman–Bennett, Hayden and multirotor image-source models.
Tethered Drone Cable Size, Voltage and Wind Catenary
Wired White v2 Size a tethered drone’s DC conductors and voltage. Solve elastic cable shape in crosswind, endpoint tension, extra thrust and the altitude limit along a specified payout route.
Rotor Blade Icing, Power Penalty and Electrothermal Anti-Icing
Wired White v3 Calculate rotor ice growth, Messinger freezing fraction, blade-element power penalty, and running-wet or evaporative heater demand along the blade.
Ion Wind (EAD) Thruster: Thrust, Corona and Collector Grid
Wired White v2 Estimate ion-wind thrust, thrust density and thrust per watt from corona onset and Townsend current. Size emitter arrays, collector grids and repeated stages.
Drone Propeller Gyroscopic Moment and Shaft Bearing Loads
Wired White v2 Calculate drone propeller gyroscopic moments, two-blade oscillation, motor shaft bending and bearing reactions, with a Goodman fatigue check.
Drone Parachute: Deployment Height, Descent and Autorotation
Wired White v3 Model emergency drone parachute descent from hover or cruise, including deployment height, opening load, touchdown energy, rotor states and hybrid glide.
Drone & eVTOL Hover: Altitude, Cold Battery and Thrust Margin
Wired White v3 Check altitude and cold-weather hover using ISA density, rotor RPM, blade-loading and tip-Mach limits, battery voltage sag, thrust reserve and hover time.
Coaxial Rotor Calculator: Spacing, Interference and Efficiency
Wired White v2 Compare rotor spacing, diameter ratio and pitch offset using coupled blade-element momentum theory. Find a torque-balanced hover design and its figure of merit.
Fuel Cell–Battery Cargo Drone: ECMS Power Split and Hydrogen Use
Wired White v3 Simulate a cargo drone mission with SOC-dependent ECMS, PEM polarization and a dynamic battery. Compare hydrogen use and climb support with a rule-based split.
Tilt-Wing eVTOL Transition Corridor, Stall and Pitch Trim
Wired White v3 Map airspeed against wing tilt using coupled force and pitch equilibrium, propeller slipstream, wing stall, thrust and power limits. Inspect a chosen transition path.
eVTOL Rotor Noise Calculator: BVI and Ground dBA Contours
Wired White v4 Estimate directional eVTOL approach noise from rotor loading, thickness, blade-vortex interaction and broadband self-noise. Explore ground dBA contours and the BVI contribution.
eVTOL Rotor Wake Interaction and Thrust Loss
Wired White v2 Estimate thrust loss at fixed power or added power at held thrust for interacting eVTOL rotors. Includes conservative contracting vortex-ring wakes, forward-flight skew and marked sensitivity sweeps.
Lid-Driven Cavity: Reynolds Number, Vortex and Grid Convergence
Wired White v2 Calculate cavity Reynolds number, primary vortex position and centreline velocities. Compare two CFD grids, inspect residuals and animate tracers through the computed flow.
Drug Dosing Calculator: One- and Two-Compartment Pharmacokinetics
Wired White v3 Simulate repeated oral doses or IV boluses with one- and two-compartment pharmacokinetics. Compare accumulation, steady-state peaks, troughs and clearance scenarios.
Semiconductor Laser: Threshold, Relaxation and Modulation Bandwidth
Wired White v2 Calculate semiconductor laser threshold current, relaxation oscillations and intrinsic modulation bandwidth. Explore frequency response and animate a small current-step transient.
NOMA Downlink: Two-User Power Allocation, Sum Rate and Fairness
Wired White v2 Calculate two-user NOMA rates, power allocation and Jain fairness. Compare manual or equal-rate allocation with OMA and explore residual SIC interference.
Pulse Oximeter: SpO2, Ratio of Ratios and AFE4400 Settings
Wired White v3 Calculate red/infrared AC/DC ratios and an illustrative SpO₂ estimate. Check AFE4400 TIA headroom, feedback bandwidth, sampling time and LED drive settings.