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Controls & Signal Processing

Control Engineering & Signal Processing Simulators

PID controller tuning, Bode plot, FFT spectrum analysis, state-space analysis, and other control/signal processing tools.

17 simulators
SIMULATORS
PID Controller Simulator
PID Controller
Real-time simulation of plant transient response by adjusting P, I, and D gains. Visualize step response, settling time, and overshoot.
PID ControlControl EngineeringStep ResponseSettling Time
Bode Plot (Frequency Response)
Bode Plot
Auto-generate gain and phase Bode plots from transfer function coefficients. Calculate gain margin, phase margin, and resonance peak.
Bode PlotFrequency ResponsePhase MarginGain Margin
Digital Filter Design Tool (IIR/FIR)
Digital Filter
Design low-pass, high-pass, and band-pass IIR/FIR filters. Display frequency response, impulse response, and pole-zero diagram.
Digital FilterIIRFIRFrequency Response
Sampling Theorem & Aliasing Visualization
Signal Sampling
Interactively visualize Shannon's sampling theorem and aliasing phenomenon. Experience the relationship between sampling frequency and aliasing error.
Sampling TheoremAliasingShannonNyquist
FFT Spectrum Analysis Simulator
FFT Spectrum
Real-time FFT spectrum analysis of composite waveforms in the browser. Visualize window functions, frequency resolution, and spectral leakage.
FFTSpectrum AnalysisWindow FunctionFrequency Resolution
Transmission Line — Reflection Coefficient & Impedance Matching Calculator
Transmission Line
Calculate reflection coefficient, VSWR, and impedance matching on the Smith chart for transmission lines. Fundamentals of RF circuit design.
Transmission LineReflection CoefficientVSWRSmith Chart
DH Parameters & Robot Kinematics
DH Parameters & Robot Kinematics
Calculate forward kinematics of multi-joint robot arms from Denavit-Hartenberg parameters. 3D visualization of end-effector position and orientation.
DH ParametersForward KinematicsRobotEnd-Effector
Inverse Kinematics (Robot Arm)
Inverse Kinematics (Robot Arm)
Calculate joint angles from target position and orientation using inverse kinematics. Analysis via Jacobian and geometric methods with workspace visualization.
Inverse KinematicsRobot ArmJacobianWorkspace
Nyquist Stability Criterion
Nyquist Stability Criterion
Draw Nyquist plot for open-loop transfer functions and determine closed-loop stability. Real-time calculation of gain margin, phase margin, and encirclement number.
NyquistStability CriterionGain MarginPhase Margin
Robot Path Planning (A*/RRT)
Robot Path Planning (A*/RRT)
Animated display of path planning on grid maps using A* algorithm and RRT (Rapidly-exploring Random Tree). Instantly generate obstacle-avoiding paths.
Path PlanningA StarRRTObstacle Avoidance
PID Gain Tuning Calculator
PID Gain Tuning Calculator
Automatic PID gain tuning calculation using Ziegler-Nichols, Cohen-Coon, and IMC methods. Optimal gain estimation from step response characteristics.
PID TuningZiegler-NicholsCohen-CoonIMC
Queuing Theory (M/M/1)
Queuing Theory (M/M/1)
Real-time calculation of mean waiting time, mean number in system, and utilization for M/M/1 and M/M/c queuing models. Supports service design optimization.
Queuing TheoryM/M/1UtilizationMean Waiting Time
Robot Dynamics & Torque
Robot Dynamics & Torque
Calculate required joint torques from Lagrangian dynamics equations for multi-joint robots. Decompose and display gravity, Coriolis, and centrifugal force components.
Robot DynamicsTorqueLagrangianInverse Dynamics
Root Locus Control Design
Root Locus Control Design
Real-time root locus plotting for open-loop transfer functions. Design stability margin and transient characteristics from gain K and closed-loop pole trajectories.
Root LocusControl DesignClosed-Loop PolesStability Margin
State Space Representation
State Space Representation
Calculate controllability and observability matrices and state feedback gains via pole placement for state space models. Basic tool for modern control theory.
State SpaceControllabilityObservabilityPole Placement
PWM Motor Control Calculator
PWM Motor Control
Calculate duty cycle, frequency, average voltage, ripple current, switching losses, and filter design for PWM control in real time.
PWMDuty CycleMotorSwitchingRipple
Servo Mechanism Design Calculator
Servo Mechanism Design
Calculate bandwidth, phase margin, gain margin, settling time, steady-state error, and PID parameters for servo control systems in real time.
ServoPIDPhase MarginGain MarginBandwidth

Other Categories

Structural Analysis Vibration & Dynamics Fluid & CFD Thermal Analysis Electromagnetics Materials & Fracture V&V & Numerics Manufacturing Physics & Fundamentals Mathematics & Numerical Analysis