HOME

TheInfoList



OR:

Solarroller is a
BEAM Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...
dragster photovore
robot A robot is a machine—especially one programmable by a computer—capable of carrying out a complex series of actions automatically. A robot can be guided by an external control device, or the control may be embedded within. Robots may be c ...
run by
solar panel A solar cell panel, solar electric panel, photo-voltaic (PV) module, PV panel or solar panel is an assembly of photovoltaic solar cells mounted in a (usually rectangular) frame, and a neatly organised collection of PV panels is called a photo ...
that utilizes
sunlight Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is scattered and filtered through Earth's atmosphere, and is obvious as daylight when t ...
. In competitions between solarrollers, each one must run one meter in the shortest
time Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of various measurements used to sequence events, to ...
possible. Components include pager motors,
capacitor A capacitor is a device that stores electrical energy in an electric field by virtue of accumulating electric charges on two close surfaces insulated from each other. It is a passive electronic component with two terminals. The effect of ...
s,
resistor A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active el ...
s,
transistor upright=1.4, gate (G), body (B), source (S) and drain (D) terminals. The gate is separated from the body by an insulating layer (pink). A transistor is a semiconductor device used to Electronic amplifier, amplify or electronic switch, switch e ...
s, and solar panels. There are several different kinds of configurations of solarrollers, with bigger or smaller wheels, one or two motors. Configurations differences include: *
motor An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power gen ...
(number and output), *
wheel A wheel is a circular component that is intended to rotate on an axle Bearing (mechanical), bearing. The wheel is one of the key components of the wheel and axle which is one of the Simple machine, six simple machines. Wheels, in conjunction wi ...
s (number and size), and *
frame A frame is often a structural system that supports other components of a physical construction and/or steel frame that limits the construction's extent. Frame and FRAME may also refer to: Physical objects In building construction *Framing (con ...
designs This robot type always moves forwards. The motor drives one or more wheels. A "
Solar Engine Solar may refer to: Astronomy * Of or relating to the Sun ** Solar telescope, a special purpose telescope used to observe the Sun ** A device that utilizes solar energy (e.g. "solar panels") ** Solar calendar, a calendar whose dates indicate t ...
" circuit is used to feed the robot. Solarroller's speed is directly related to the amount of light robot registers on its optical sensor. Most are driven by an electronic "
relaxation oscillator In electronics a relaxation oscillator is a nonlinear electronic oscillator circuit that produces a nonsinusoidal repetitive output signal, such as a triangle wave or square wave. on Peter Millet'Tubebookswebsite The circuit consists of a feedba ...
", in which a charge is accumulated in a capacitor while at rest and then suddenly released in the drive mechanism.


See also

*
Mark Tilden Mark W. Tilden is a robotics physicist who produces complex robotic movements from simple analog logic circuits, often with discrete electronic components, and usually without a microprocessor. He is controversial because of his libertarian Tilden ...


Further reading

* "''Simple Solaroller''". Electronics Now, June, 1997.
Solarroller circuits
Mark Tilden's hand-written notes (c. 1990), solarbotics.net.
Solarroller mechanics
Mark Tilden's hand-written notes (c. 1990), solarbotics.net.


External articles




BEAM robotics Yahoo! group


* ttps://web.archive.org/web/20060220151704/http://www.robotgames.net/RobotGames/Event_Rules/2002-BEAM-solaroller.htm 2003 BEAM SolarRoller Race robotgames.net
Solarrollers on the BEAM Wiki
{{BEAM robotics Solar car racing Solar energy BEAM robotics