The following outline is provided as an overview of and topical guide to electrical engineering. Electrical engineering – field of engineering that generally deals with the study and application of electricity, electronics and electromagnetism. The field first became an identifiable occupation in the late nineteenth century after commercialization of the electric telegraph and electrical power supply. It now covers a range of subtopics including power, electronics, control systems, signal processing and telecommunications. Classification Electrical engineering can be described as all of the following: Academic discipline – branch of knowledge that is taught and researched at the college or university level. Disciplines are defined (in part), and recognized by the academic journals in which research is published, and the learned societies and academic departments or faculties to which their practitioners belong. Branch of engineering – discipline, skill, and profession of acquiring and applying scientific, economic, social, and practical knowledge, in order to design and build structures, machines, devices, systems, materials and processes. Branches of electrical engineering Power engineering Control engineering Electronic engineering Microelectronics Signal processing Telecommunications engineering Instrumentation engineering Computer engineering Electro-Optical Engineering Distribution engineering Related disciplines Biomedical engineering Engineering physics Mechanical engineering Mechatronics History of electrical engineering History of electrical engineering Timeline of electrical and electronic engineering General electrical engineering concepts Electromagnetism Electromagnetism Electricity Magnetism Electromagnetic spectrum Optical spectrum Electrostatics Electric charge Coulomb's law Electric field Gauss's law Electric potential Magnetostatics Electric current Ampère's law Magnetic field Magnetic moment Electrodynamics Lorentz force law Electromotive force Electromagnetic induction Faraday-Lenz law Displacement current Maxwell's equations Electromagnetic field Electromagnetic radiation Electrical circuits Antenna Electrical resistance Capacitance Inductance Impedance Resonant cavity Transmission line Waveguide Physical laws Physical laws Ampère's law Coulomb's law Faraday's law of induction/Faraday-Lenz law Gauss's law Kirchhoff's circuit laws Current law Voltage law Maxwell's equations Gauss's law Faraday's law of induction Ampère's law Ohm's law Control engineering Control engineering Control theory Adaptive control Control theory Digital control Nonlinear control Optimal control Intelligent control Neural networks Fuzzy control Model predictive control System properties: Exponential stability Marginal stability BIBO stability Lyapunov stability (i.e., asymptotic stability) Input-to-state (ISS) stability Controllability Observability Negative feedback Positive feedback System modeling and analysis: System identification State observer First principles modeling Least squares Kalman filter Root locus Extended Kalman filter Signal-flow graph State space representation Artificial neural networks Controllers: Closed-loop controller PID controller Programmable logic controller Embedded controller Field oriented controller Direct torque controller Digital signal controller Pulse-width modulation