Molly Ayala
Electromechanical systems combine electrical engineering and mechanical engineering, focusing on the interaction of electrical and mechanical systems. Electromechanics is the use of electricity to run moving parts, with the first electric motor invented by Michael Faraday in 1822. Electromechanical devices are those with both electrical and mechanical processes, such as electric typewriters, early television systems, and modern power companies.
| Characteristics | Values |
|---|---|
| Definition | Of, relating to, or being a mechanical process or device actuated or controlled electrically |
| Fields | Electrical engineering, mechanical engineering, electronics engineering |
| Examples | Electric typewriters, teleprinters, clocks, initial television systems, electric motors, generators, relays, switches, alternators, locks, pinball machines, power companies' fuel-based generators, wind and hydroelectric power systems |
| History | Electromechanics surged with the development of long-distance communication and the Industrial Revolution. Electromechanical systems saw massive progress from 1910-1945 due to World Wars I and II. |
| Current Usage | Less common due to the development of solid-state electronics and integrated microcontroller circuits. However, electromechanical processes are still mainly used by power companies, and electromechanical assemblers are in demand in certain industries. |
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What You'll Learn
Electromechanical devices
Before the development of modern electronics, electromechanical devices were widely used in complicated subsystems of parts, including electric typewriters, teleprinters, clocks, initial television systems, and the very early electromechanical digital computers. Solid-state electronics have since replaced electromechanical devices in many applications.
During the Industrial Revolution, the rapid increase in production and the demand for intracontinental communication allowed electromechanics to enter public service. Relays, for example, were first used with telegraphy to regenerate telegraph signals. Electromechanical systems saw massive progress from 1910 to 1945 due to the two world wars. During World War I, all countries used spotlights and radios, which led to a burst of new electromechanics. By World War II, countries had centralized their military around the power and versatility of electromechanics.
Today, electromechanical processes are mainly used by power companies. All fuel-based generators convert mechanical movement to electrical power. Some renewable energy sources, such as wind and hydroelectric power, are also powered by mechanical systems that convert movement to electricity. In the last thirty years of the 20th century, equipment that would have typically used electromechanical devices became less expensive due to the use of more reliable integrated microcontroller circuits.
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Electromechanical systems
The history of electromechanics can be traced back to the 19th century, with the first TV design and the invention of the first electric motor by Michael Faraday in 1822. Interest in electromechanics grew with the research into long-distance communication, and it saw a significant advancement during the two world wars, with the use of spotlights and radios. Post-war America witnessed a shift towards household electromechanical systems, such as microwaves, refrigerators, and washing machines.
Electromechanical devices have played a crucial role in various technologies, including early television systems, electric typewriters, teleprinters, clocks, and even the earliest digital computers. The term "electromechanical" is commonly associated with devices that use electrical signals to create mechanical movement or employ mechanical movement to generate an electric response. A manually operated switch is an example of an electromechanical component, where mechanical movement results in an electrical output.
Today, electromechanical processes are predominantly used by power companies, particularly in the context of fuel-based generators and renewable energy sources such as wind and hydroelectric power. These systems convert mechanical movement into electrical power. Additionally, electromechanical systems are utilized in the design and operation of DC or AC rotating electrical machines, where they can be used to generate power from mechanical processes or to power mechanical effects.
The performance of electromechanical materials is assessed by their ability to undergo a 1% change in shape or strain when subjected to an electric field. This property is crucial in various applications, including the simulation of inverter control systems' behaviour through "electromechanical transient" (EMT) models.
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Electromechanics in military applications
Electromechanics combines electrical engineering and mechanical engineering, focusing on the interaction of electrical and mechanical systems. It involves the use of electromechanical devices, which are mechanical devices actuated or controlled electrically. These devices can convert electrical energy to mechanical energy and vice versa.
Electromechanics has played a significant role in military applications, especially during World War I and World War II. The military's utilization of electromechanics during these conflicts led to advancements in various areas, and its impact extended beyond the battlefield into civilian life.
During World War I, there was a notable emergence of new electromechanical technologies, with spotlights and radios being employed by all participating nations. The period between the world wars, from 1910 to 1945, witnessed a significant progression in electromechanical systems, setting the stage for their expanded use in the second global conflict.
By World War II, countries had further refined their military capabilities, harnessing the power and versatility of electromechanics. One enduring example is the alternator, initially designed to power military equipment in the 1950s. Following the war, the alternator found a new purpose, being adapted for use in automobiles during the 1960s.
The military's focus on electromechanical advancements during this period had a profound impact on the post-war landscape. Electromechanical systems began to replace household chores, with devices such as microwaves, refrigerators, and washing machines adopting this technology. Additionally, the military's research and development in this field laid the groundwork for the electronics industry, influencing the development of modern electronics and solid-state electronics that eventually superseded electromechanics in many applications.
Today, electromechanical processes continue to be of relevance to the military, especially in the context of power generation and renewable energies. As the electronics industry progresses, it remains closely intertwined with military applications, with a continuous exchange of technologies between the two domains.
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Electromechanics in power generation
Electromechanics combines processes and procedures from both electrical and mechanical engineering. It focuses on the interaction of electrical and mechanical systems and how they work together. Electromechanical devices have both electrical and mechanical processes.
Electromechanics plays a significant role in power generation, with electrical generators used in power plants being electromechanical devices that convert mechanical energy into electrical energy. This process is especially prominent in systems such as DC or AC rotating electrical machines, which can be designed to generate power from a mechanical process (generator) or use electricity to power a mechanical effect (motor).
All fuel-based generators, for example, convert mechanical movement into electrical power. Some renewable energy sources, such as wind and hydroelectric power, also rely on mechanical systems to convert movement into electricity. Wind turbines and solar plants are examples of renewable energy generation systems that use electromechanical principles to generate electricity sustainably.
The development of electromechanical assemblies has been carried out by various manufacturers, and the integration of the individual components into an overall unit occurs at the end of the manufacturing process. For example, in the case of a solar photovoltaic panel, a sun tracker is an electromechanical component used to orient the panel towards the sun.
Electromechanics has also contributed to advancements in the telecommunications industry, with signal transmission systems such as antennas and fibre optic cables using electromechanical devices to connect and transmit information.
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Electromechanics in communication
Electromechanics combines processes and procedures from electrical engineering and mechanical engineering. It focuses on the interaction of electrical and mechanical systems and how they work together. Electromechanics is especially prominent in systems such as DC or AC rotating electrical machines, which can be designed to generate power from a mechanical process (generator) or used to power a mechanical effect (motor). Electrical engineering in this context also includes electronics engineering.
Electromechanical devices have both electrical and mechanical processes. A manually operated switch is an electromechanical component due to the mechanical movement causing an electrical output. However, the term usually refers to devices that use an electrical signal to create mechanical movement, or vice versa. Electric motors and generators are examples of electromechanical devices.
Before the development of modern electronics, electromechanical devices were widely used in complicated subsystems, including early television systems, electric typewriters, and the very first digital computers. Solid-state electronics have now replaced electromechanics in many applications.
Electromechanics saw a huge leap in progress from 1910-1945, with both World Wars driving innovation. During World War I, all countries used radios and spotlights. By World War II, countries had developed and centralised their military strategies around electromechanics. The versatility and power of electromechanics proved invaluable. One example is the alternator, created to power military equipment in the 1950s and later used in automobiles in the 1960s.
Post-war America greatly benefited from the military's development of electromechanics, with household chores quickly replaced by electromechanical systems such as microwaves, refrigerators, and washing machines. The telegraph, telephone, television, and personal computer have all driven interest in long-distance communication, with electromechanics playing a key role in their development.
Today, electromechanical processes are mainly used by power companies. All fuel-based generators convert mechanical movement to electrical power. Some renewable energy sources, such as wind and hydroelectric power, also rely on mechanical systems to convert movement to electricity. Telecommunications companies also use electromechanics for network equipment and communications infrastructure.
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Frequently asked questions
Electromechanical refers to a mechanical process or device that is actuated or controlled by electricity.
Some examples of electromechanical devices include electric typewriters, early television systems, clocks, and the very first electric motor invented by Michael Faraday in 1822.
According to current industry standards, a material is considered to have very good electromechanical performance if it can undergo a 1% change in shape or strain in response to an electric field.
