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Robotics

This branch of technology deals with the design, development, operation, structural disposition and application of robots. Robotics is related to other sciences including software, mechanics and engineering. Current robots have the capability to move and speak.

2,104 Questions

How do Cartesian robots work?

Cartesian robots, also known as gantry robots, work by moving along a set of linear axes (X, Y, Z) to position their end effector precisely in 3D space. They follow a set of programmed instructions to perform repetitive tasks such as picking and placing objects with high accuracy and speed. Cartesian robots are commonly used in manufacturing and automation applications where precise and consistent movements are required.

Use of ir sensor in robot?

An IR sensor in a robot can be used for various purposes such as obstacle detection, line following, distance measurement, and object detection. The sensor emits infrared light and detects the reflection to identify the presence or absence of objects in its path, allowing the robot to navigate its environment effectively.

How do robots sense the world around them?

Robots sense the world around them using various sensors such as cameras, lidar, radar, ultrasonic sensors, and infrared sensors. These sensors detect and measure different aspects of the environment, such as distance, shape, color, temperature, and movement, allowing the robot to understand and navigate its surroundings.

How do robots know what to do?

Robots are programmed with instructions by humans to determine what tasks they should perform. These instructions can include algorithms, sensors, and logic that guide the robot in completing its designated functions. Additionally, robots can also use machine learning and artificial intelligence to adapt and learn from their environment to optimize their performance.

Examples of electromagnets and their uses?

  1. MRI machines use powerful electromagnets to produce detailed images of the inside of the body.
  2. Electric door locks use electromagnets to secure doors when electric current is applied.
  3. Maglev trains use electromagnets to achieve high speeds by levitating above the tracks without friction.
  4. Speakers use electromagnets to convert electrical signals into sound waves.

How do robot vacuums work?

The vacuum robot cleans your floor like a regular vacuum. But the robot vacuum does it by a press of as button. You don't even have to do it yourself, it makes one job less that you have to do.

Differences between cylindrical robot and spherical robot?

Cylindrical robots have a cylindrical work envelope, limited to 2D movements along the x and z axes. Spherical robots, on the other hand, have a spherical work envelope, allowing for more freedom of movement in all directions. Spherical robots are often used for tasks requiring high dexterity and versatility, while cylindrical robots are more suitable for applications with simpler movements along a fixed path.

What can damage a magnet?

Exposure to high temperatures, strong magnetic fields, and physical impacts can damage a magnet by weakening its magnetic properties, causing it to lose its strength or even become demagnetized over time. Additionally, exposure to moisture and corrosive materials can also degrade the magnet's surface and impact its magnetism.

What are magnetic substances?

Magnetic substances are substances containing aligned dipoles. Dipoles are spinning electrons. In order for something to be magnetic, its dipoles must be aligned with each other, so that they face the same direction. The direction they face create a North end, while the opposite end creates a South end.

Some substances, known as ferromagnetic substances, have permanently aligned dipoles. Other substances, such as paramagnetic and dimagnetic substances, require an external magnetic field to align, or 'induce' the dipoles of the substance.

To conclude, magnetic substances contain dipoles which are permanently aligned, or can be aligned through the force of external magnetic fields.

Diamagnetic Substances are those Substances there is no resultant field as the magnetic field produce by both the spin and orbital motions of the electrons might add up to zero.

Who discovered electromagnets?

The Danish physicist Hans Christian Ørsted (or Oersted written in the English alphabet) is normally said to be the first to connect electricity with magnetism when he noted in 1819 that a compass needle deflected toward a wire coil carrying electric current.

This was later supported by experiments done by André-Marie Ampère in 1821, at the same time as Thomas Seebeck investigated heat-produced electromagnetism (the thermoelectric effect) in metals.

The list of investigators is a long one, and includes Michael Faraday and Benjamin Franklin. See the related links below.

Faraday reasoned from Oersted's observation that electricity caused a magnetic needle to move, that magnetism could cause electricity. Faraday produced electricity to prove his point by creating a generator. Faraday also had the idea of electromagnetic fields, invisible lines of force.

Some other names to add to the list:

  • Heinrich Lenz
  • James Maxwell

It was later in the 19th century when the most progress was made in understanding electromagnetics. James Clerk Maxwell, Michael Faraday, Nikola Tesla, Thomas Edison, George Westinghouse, Ernst Werner von Siemens, Alexander Graham Bell and Lord Kelvin all made contributions to a further understanding of the nature of the electromagnetic force. By the 20th century, we had a pretty good handle on electromagnetism, and we could use it to make electricity and electric motors and so many of the things that make our world "modern" and give us all the comfort and convenience we enjoy today - even though we may not think very much about it.

There are some links below, and they will take the curious investigator to relevant Wikipedia articles.

James Clerk Maxwell published his treatise on the connected nature of the forces in 1873. Prior to that time, a distinction was being made between electrostatic attraction (non-electrics) and ferromagnetism (electrics). Charged objects attracted lightweight objects regardless of their substance, but only metals responded to iron magnets.

Is a positronic brain possible?

The idea/ theory of a positronic brain is relatively possible but in realty no. The idea was originally thought of by the science fiction writer Isaac Asimov. It was meant to be the central computer for a robot and is used in lots of programs like Star Trek: The Next Generation but these are fictional. It was the thought because positron was a newly discovered particle and so the buzz word positronic, coined by analogy with electronic, added a contemporary gloss of popular science to the concept.

For more information I would recommend you search Positronic brain on Wikipediaor if you are interested on our brains being recreated see the article by following this link...

http://www.popsci.com/technology/article/2012-03/achieving-immortality-russian-mogul-wants-begin-putting-human-brains-robots-and-soon

How do robots move?

Robots can move using various mechanisms, including wheels, tracks, legs, and propellers. These mechanisms are powered by motors or other actuators that provide the necessary force and motion for the robot to navigate its environment. Additionally, some robots can also move by crawling, hopping, or flying, depending on their design and intended tasks.

How much does a robot weigh?

The weight of a robot can vary depending on its size, design, and materials used. However, many robots designed for domestic, industrial, or academic purposes typically weigh between a few pounds to a few hundred pounds. Advanced robots used in manufacturing or aerospace industries can weigh more than a ton.

What can you use electromagnets for?

Electromagnets can be used in various applications such as in electric motors, MRI machines, speakers, and magnetic levitation trains. They are also used in industries for lifting and separating materials in processes such as recycling and metal fabrication.

How are electromagnets formed?

Electromagnets are formed by wrapping a coil of wire around a ferromagnetic core (such as iron) and passing an electric current through the wire. The electric current creates a magnetic field around the coil, inducing the core to become magnetized. This forms a temporary magnet that can attract or repel other magnetic objects.

What are some uses of electromagnets?

In general, electromagnets are used to move things; whether it be ultra small things like molecules or super large things like locomotives or cruise ships.

MRI systems use electromagnets to "move" or at least change the polarity of molecules then measures the amount of electromagnetic energy created when the molecules move back. (yes, that's an oversimplification)

Tape recorders use electromagnets to move iron oxide molecules on a tape, forcing a specific magnetic orientation of the molecules that can be read when the tape passes a tape read head.

Electromagnets are used to move armatures of electric motors, and the armatures are connected to shafts that rotate, propelling a cruise ship or a locomotive.

Electromagnets "move" the electron beam of a CRT, allowing the picture to be displayed on older televisions.

That is just an example of a few uses of electromagnets. Keep looking, they are all around us.

From I Robot What is the first law of Robotics?

A robot may not injure a human being or, through inaction, allow a human being to come to harm.

From the movie 'I Robot' what is the first law of robotics?

A robot may not injure a human being or, through inaction, allow a human being to come to harm

Why is Jason the robot named Jason?

The name "Jason" may have been chosen as a friendly and approachable-sounding name for the robot, helping to humanize it and make it more relatable to users. Additionally, "Jason" may have been selected for its simplicity and ease of pronunciation, making it easier for people to remember and interact with the robot.

What is the controlled parameter in robotics?

The controlled parameter in robotics refers to the variable or variables that the robot system is designed to regulate or maintain within predefined limits. This could be aspects like position, velocity, force, or temperature, depending on the specific application and task the robot is performing. By continuously monitoring and adjusting these parameters, the robot can achieve its desired performance and functionality.

How does a robot speak?

A robot speaks using a built-in speech synthesizer that converts text or sounds into speech. The process involves converting digital signals into sound waves that mimic human speech patterns. Some robots also use pre-recorded phrases or responses to communicate.

What was the name of the Greek philosopher who first came up with the idea of robots?

The Greek philosopher who first came up with the idea of robots was Aristotle. He wrote about the concept of automatons or self-moving machines in his works.

What was the name of the greek philosper who first dreamt up the idea of robots?

The ancient Greek philosopher who first dreamt up the idea of robots is believed to be Aristotle. In his works, he pondered about the possibility of automated machines performing tasks on their own. However, the actual concept of robots as we know them today was not developed until much later.

Do robots have feelings like humans?

No, robots do not have feelings like humans. They do not experience emotions or consciousness in the same way that humans do. Robots are programmed to respond to stimuli and perform tasks based on their programming.