Before the term "animatronics" became common, they were usually referred to as "robots". Since then, robots have become known as more practical programmable machines that do not necessarily resemble living creatures. Robots (or other artificial beings) designed to convincingly resemble humans are known as "androids".
Animatronics is a multi-disciplinary field which integrates puppetry, anatomy and mechatronics. Animatronic figures can be implemented using both computer control and human control, including teleoperation. Motion actuators are often used to imitate muscle movements and create realistic motions in limbs. Figures are usually covered with body shells and flexible skins made of hard and soft plastic materials and finished with details like colors, hair and feathers and other components to make the figure more lifelike.
The term Audio-Animatronics was coined by Walt Disney in 1961 when he started developing animatronics for entertainment and film. Audio-Animatronics does not differentiate between animatronics and androids.
Autonomatronics was also defined by Disney Imagineers, to describe a more advanced Audio-Animatronic technology featuring cameras and complex sensors to process information around the character's environment and respond to that stimulus.
- 1939Sparko, The Robot Dog, pet of Elektro, performs in front of the public but Sparko, unlike many depictions of robots in that time, represented a living animal, thus becoming the very first modern day animatronic character, along with an unnamed horse which was reported to gallop realistically. The animatronic galloping horse was also on display at the 1939 World's Fair, in a different exhibit than Sparko's., 1939 New York World's Fair:
- 1961Heinrich Ernst develops the MH-1, a computer-operated mechanical hand.:
- 1961Walt Disney coins the term "Audio-Animatronics" and his WED Enterprises team begins developing modern animatronic technology.:
- 1963The first Audio-Animatronics created by Disney, the Enchanted Tiki Birds of Walt Disney's Enchanted Tiki Room, debut at Disneyland., Disneyland:
- 1964In the film Mary Poppins, animatronic birds are the first animatronics to be featured in a motion picture. The first animatronic figure of a person is created by Disney and is Abraham Lincoln, featured at the Illinois State Pavilion of the 1964 New York World's Fair.:
- 1968The first animatronic character at a restaurant is created. Goes by the name Golden Mario and was built by Team Built in 1968.:
- 1977Chuck E. Cheese's (then known as Pizza Time Theatre) opens its doors, as the first restaurant with animatronics as an attraction.:
- 1980ShowBiz Pizza Place opens with the Rock-afire Explosion:
- 1982Ben Franklin is the first animatronic figure to walk up a set of stairs.:
- 1989The first A-100 animatronic is developed for The Great Movie Ride attraction at the Disney-MGM Studios' to represent The Wicked Witch of the West.:
- 1993The largest animatronic figure ever built is the T. rex for the movie, Jurassic Park.:
- 1998Tiger Electronics begins selling Furby, an animatronic pet with over 800 English phrases or Furbish and the ability to react to its environment., Vernon Hills, Illinois:
- May 11, 1999Sony releases the AIBO animatronics pet., Tokyo, Japan:
- 2005: Engineered arts produced the first version of their animatronic actor, RoboThespian
- 2008Mr. Potato Head at the Toy Story exhibit features lips with superior range of movement to any other animatronic figure previously., Disney's Hollywood Studios:
- October 31, 2008The Abraham Lincoln animatronic character is upgraded to incorporate autonomatronic technology., The Hall of Presidents – July 1, 2009 :
- September 28, 2009Disney develops Otto, the first interactive figure that can hear, see and sense actions in the room., D23 Expo:
Origins in automata
Animatronics stand in a very long tradition of mechanical automata, that could be powered by for instance hydraulics, pneumatics or clockwork. Early descriptions are found in Greek mythology and ancient Chinese writings. The oldest extant examples date to the 16th century.
The first animatronics characters to be displayed to the public were a dog and a horse. Each were the attraction at two separate spectacles during the 1939 New York World's Fair. Sparko, The Robot Dog, pet of Elektro the Robot, performs in front of the public at the 1939 New York World's Fair but Sparko is not like normal robots. Sparko represents a living animal, thus becoming the very first modern day animatronic character, along with an unnamed horse which was reported to gallop realistically. The animatronic galloping horse was also on display at the 1939 World's Fair, in a different exhibit than Sparko's.
Walt Disney is often credited for popularizing animatronics for entertainment after he bought an animatronic bird while he was vacationing, although it is disputed whether it was in New Orleans or Europe. Disney's vision for audio-animatronics was primarily focused on patriotic displays rather than amusements.
In 1951, two years after Walt Disney discovered animatronics, he commissioned machinist Roger Broggie and sculptor Wathel Rogers to lead a team tasked with creating a 9" tall figure that could move and talk simulating dance routines performed by actor Buddy Ebsen. The project was titled 'Project Little Man' but was never finished. A year later, Walt Disney Imagineering was created. Disney used a supposedly animatronic bird in 1962 for the film Mary Poppins (released in 1964). This was actually controlled fully by bicycle cables.
After "Project Little Man", the Imagineering team at Disney's first project was a "Chinese Head" which was on display in the lobby of their office. Customers could ask the head questions and it would reply with words of wisdom. The eyes blinked and its mouth opened and closed.
The Walt Disney Production company started using animatronics in 1955 for Disneyland's ride, the Jungle Cruise, and later for its attraction Walt Disney's Enchanted Tiki Room which featured animatronic Enchanted Tiki Birds.
The first fully completed human audio-animatronic figure was Abraham Lincoln, created by Walt Disney in 1964 for the 1964 World's Fair in the New York. In 1965, Disney upgraded the figure and coined it as the Lincoln Mark II, which appeared at the Opera House at Disneyland Resort in California. For three months, the original Lincoln performed in New York, while the Lincoln Mark II played 5 performances per hour at Disneyland. Body language and facial motions were matched to perfection with the recorded speech. Actor Royal Dano voiced the animatronics version of Abraham Lincoln.
Lucky the Dinosaur is an approximately 8-foot-tall (2.4 m) green Segnosaurus which pulls a flower-covered cart and is led by "Chandler the Dinosaur Handler". Lucky is notable in that he was the first free-roving audio-animatronic figure ever created by Disney's Imagineers. The flower cart he pulls conceals the computer and power source.
The Muppet Mobile Lab is a free-roving, audio-animatronic entertainment attraction designed by Walt Disney Imagineering. Two Muppet characters, Dr. Bunsen Honeydew and his assistant, Beaker, pilot the vehicle through the park, interacting with guests and deploying special effects such as foggers, flashing lights, moving signs, confetti cannons and spray jets. It is currently deployed at Hong Kong Disneyland in Hong Kong.
A Laffing Sal is one of the several automated characters that were used to attract carnival and amusement park patrons to funhouses and dark rides throughout the United States. Its movements were accompanied by a raucous laugh that sometimes frightened small children and annoyed adults.
Film and television
The film industry has been a driving force revolutionizing the technology used to develop animatronics.
Animatronics are used in situations where a creature does not exist, the action is too risky or costly to use real actors or animals, or the action could never be obtained with a living person or animal. Its main advantage over CGI and stop motion is that the simulated creature has a physical presence moving in front of the camera in real time. The technology behind animatronics has become more advanced and sophisticated over the years, making the puppets even more lifelike.
Animatronics were first introduced by Disney in the 1964 film Mary Poppins which featured an animatronic bird. Since then, animatronics have been used extensively in such movies as Jaws, and E.T. the Extra-Terrestrial, which relied heavily on animatronics.
The 1993 film Jurassic Park used a combination of computer-generated imagery in conjunction with life-sized animatronic dinosaurs built by Stan Winston and his team. Winston's animatronic "T. rex" stood almost 20 feet (6.1 m), 40 feet (12 m) in length and even the largest animatronics weighing 9,000 pounds (4,100 kg) were able to perfectly recreate the appearance and natural movement on screen of a full-sized Tyrannosaurus rex.
The 1999 BBC miniseries Walking with Dinosaurs was produced using a combination of about 80% CGI and 20% animatronic models. The quality of computer imagery of the day was good, but animatronics were still better at distance shots, as well as closeups of the dinosaurs. Animatronics for the series were designed by British animatronics firm Crawley Creatures. The show was followed up in 2007 with a live adaptation of the series, Walking with Dinosaurs: The Arena Spectacular.
Geoff Peterson is an animatronic human skeleton that serves as the sidekick on the late-night talk show The Late Late Show with Craig Ferguson. Often referred to as a "robot skeleton", Peterson is a radio-controlled animatronic robot puppet designed and built by Grant Imahara of MythBusters.
Some examples of animatronic toys include Teddy Ruxpin, Big Mouth Billy Bass, FurReal, Kota the triceratops, Pleo, WowWee Alive Chimpanzee, Microsoft Actimates, and Furby. Well-known brands include Cuddle Barn, Gemmy Industries, and Dan Dee.
An animatronics character is built around an internal supporting frame, usually made of steel. Attached to these "bones" are the "muscles" which can be manufactured using elastic netting composed of styrene beads. The frame provides the support for the electronics and mechanical components, as well as providing the shape for the outer skin.
The "skin" of the figure is most often made of foam rubber, silicone or urethane poured into moulds and allowed to cure. To provide further strength a piece of fabric is cut to size and embedded in the foam rubber after it is poured into the mould. Once the mould has fully cured, each piece is separated and attached to the exterior of the figure providing the appearance and texture similar to that of "skin".
An animatronics character is typically designed to be as realistic as possible and thus, is built similarly to how it would be in real life. The framework of the figure is like the "skeleton". Joints, motors, and actuators act as the "muscles". Connecting all the electrical components together are wires, such as the "nervous system" of a real animal or person.
Frame or skeleton
Steel, aluminum, plastic, and wood are all commonly used in building animatronics but each has its best purpose. The relative strength, as well as the weight of the material itself, should be considered when determining the most appropriate material to use. The cost of the material may also be a concern.
Exterior or skin
Several materials are commonly used in the fabrication of an animatronics figure's exterior. Dependent on the particular circumstances, the best material will be used to produce the most lifelike form.
For example, "eyes" and "teeth" are commonly made completely out of acrylic.
White latex is commonly used as a general material because it has a high level of elasticity. It is also pre-vulcanized, making it easy and fast to apply. Latex is produced in several grades. Grade 74 is a popular form of latex that dries rapidly and can be applied very thick, making it ideal for developing molds.
Foam latex is a lightweight, soft form of latex which is used in masks and facial prosthetics to change a person's outward appearance, and in animatronics to create a realistic "skin". The Wizard of Oz was one of the first films to make extensive use of foam latex prosthetics in the 1930s.
RTV silicone (room temperature vulcanization silicone) is used primarily as a molding material as it is very easy to use but is relatively expensive. Few other materials stick to it, making molds easy to separate.
Bubbles are removed from silicone by pouring the liquid material in a thin stream or processing in a vacuum chamber prior to use. Fumed silica is used as a bulking agent for thicker coatings of the material.
Polyurethane rubber is a more cost effective material to use in place of silicone. Polyurethane comes in various levels of hardness which are measured on the Shore scale. Rigid polyurethane foam is used in prototyping because it can be milled and shaped in high density. Flexible polyurethane foam is often used in the actual building of the final animatronic figure because it is flexible and bonds well with latex.
As a commonplace construction and home decorating material, plaster is widely available. Its rigidity limits its use in moulds, and plaster moulds are unsuitable when undercuts are present. This may make plaster far more difficult to use than softer materials like latex or silicone.
Pneumatic actuators can be used for small animatronics but are not powerful enough for large designs and must be supplemented with hydraulics. To create more realistic movement in large figures, an analog system is generally used to give the figures a full range of fluid motion rather than simple two position movements.
Mimicking the often subtle displays of humans and other living creatures, and the associated movement is a challenging task when developing animatronics. One of the most common emotional models is the Facial Action Coding System (FACS) developed by Ekman and Friesen. FACS defines that through facial expression, humans can recognize 6 basic emotions: anger, disgust, fear, joy, sadness, and surprise. Another theory is that of Ortony, Clore, and Collins, or the OCC model which defines 22 different emotional categories.
Training and education
Animatronics has been developed as a career which combines the disciplines of mechanical engineering, casting/sculpting, control technologies, electrical/electronic systems, radio control and airbrushing.
Some colleges and universities do offer degree programs in animatronics. Individuals interested in animatronics typically earn a degree in robotics which closely relate to the specializations needed in animatronics engineering.
Students achieving a bachelor's degree in robotics commonly complete courses in:
- Mechanical engineering
- Industrial robotics
- Mechatronics systems
- Modeling of robotics systems
- Robotics engineering
- Foundational theory of robotics
- Introduction to robotics
Animatronics and artificial intelligence
The fusion of animatronics with artificial intelligence results in androids, as is usually known, robots that imitate human behavior. We have a technique capable of providing the appearance and behavior of living beings to machines. We are 'humanizing' robots. But it's not only the movements that look very real, but also, it seems real thanks to the synthetic skin they have used and makeup.
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