What is hysteresis in simple terms?
Hysteresis is something that happens with magnetic materials so that, if a varying magnetizing signal is applied, the resulting magnetism that is created follows the applied signal, but with a delay. As a general term, hysteresis means a lag between input and output in a system upon a change in direction.
What is hysteresis effect?
The magnetization of ferromagnetic substances due to a varying magnetic field lags behind the field. This effect is called hysteresis, and the term is used to describe any system in whose response depends not only on its current state, but also upon its past history.
What is hysteresis example?
A system with hysteresis is one that has memory. Many physical phenomena display some form of hysteresis. Examples include backlash in gears caused by excess play, forces exerted by elastic materials, Schmitt triggers from electronic circuits, and magnetization of ferrous materials.
What is hysteresis in material?
hysteresis, lagging of the magnetization of a ferromagnetic material, such as iron, behind variations of the magnetizing field.
What is hysteresis in psychology?
n. 1. an effect in which the perception of a stimulus is influenced by one’s immediately preceding perceptions. It can be demonstrated in experiments that involve making successive changes to a stimulus that varies along some dimension and asking a participant to describe his or her perception.
What is hysteretic energy?
Hysteretic Energy ( ) is energy, wasting in inelastic behavior of the system after the members’ yield. Due to the direct relation of the damage, inflicted on the structure, and Hysteretic Energy, this part of the energy is the most important part of this equation.
What is hysteresis in instrumentation?
Hysteresis is a phenomenon under which the measuring instrument shows different output effects during loading and unloading. Hysteresis results from the inelastic quality of an element or device.
What is hysteresis in steel?
Elastic Hysteresis is the difference between the strain energy required to generate a given stress in a material, and the material’s elastic energy at that stress. Hard metals, for example, display less hysteresis than high-elongation materials such as elastomers.
What does hysteresis motor mean?
A Hysteresis Motor is a synchronous motor with a uniform air gap and without DC excitation. It operates both in single and three phase supply. The Torque in a Hysteresis Motor is produced due to hysteresis and eddy current induced in the rotor by the action of the rotating flux of the stator windings.
How can hysteresis loss be minimized?
Magnetic material with grains reduces the hysteresis loss.. Hysteresis loss can be minimized in electrical machines by using cores with higher permeability and having lower area in hysterisi curve. Try to use materials with low core loss & maintain optimum induction( core flux density) . Better materials.
Are hysteresis losses greater at higher frequencies?
Hysteresis losses will increase with frequency, and they are greatest in materials that have a high retentivity. These materials, once magnetized, tend to retain their magnetism. It requires more energy to demagnetize them than those with low retentivity.
What is the plural of hysteresis?
hysteresis (countable and uncountable, plural hystereses) A property of a system such that an output value is not a strict function of the corresponding input, but also incorporates some lag, delay, or history dependence, and in particular when the response for a decrease in the input variable is different from the response for an increase.