What Are the Different Types of Analog Computers?

An analog computer is a computer that uses a continuously changing analog quantity as the object to be operated according to similar principles. An analog computer uses electronic circuits to form the basic computing unit. It consists of a computing unit, a control unit, a problem solving board, and an input / output device. In the solution by similar principle, the concept of simulation is included, so it is called analog computer. It is based on parallel computing and is fast. It properly combines the fixed-function arithmetic units, so the program is relatively simple, but the flexibility of solving the problem is relatively poor. ^[1]

In the 1930s, began to work on all-electronics

The input and output of each of its main components are physical quantities such as voltage and current that are continuously changing. The simulation computer consists of several integrators, adders, multipliers, function generators and other components with different functions and numbers. Interconnect the output of one component with the input of another component or components according to the mathematical model of the problem to be studied, so that the mathematical relationship between the output and input of the entire computer simulates the objective process of the problem being studied. The solution y (t) of the equation is obtained at the output end; the interconnection relationship between the simulated computer components varies with the problem. Some people call the design of this connection relationship a problem solving program.

Analog computer ^[2]

According to foreign media reports, the Milky Way we see today has evolved over billions of years. At first it was just a loose mass of matter, slowly forming a huge spiral disk composed of stars. Faced with such a complex Milky Way, astronomers have been trying to understand more deeply for many years. Today, with the most detailed computer simulation results, we can see the formation of the Milky Way in seconds.

Previously, astronomers have also tried to use computer simulations to solve the problem of dwarf galaxies-known as "disappearing satellites"-but until now there has been no final answer. ^[3]