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The Segway is a registered trademark of Segway Inc. Dean Kamen invented a two-wheeled, self-balancing personal transporter device named "Segway" and then established Segway Inc. in USA. It brought to market in 2001 as the Segway HT, subsequently as the Segway PT, and manufactured by Segway Inc. HT is an initialism for "human transporter" and PT for "personal transporter."
An electric unicycle is a self-balancing personal transporter with a single wheel. The rider controls speed by leaning forwards or backwards, and steers by twisting or tilting the unit side to side. The self-balancing mechanism uses accelerometers, gyroscopes, and a magnetometer. In 2020, suspension models were introduced by three major manufacturers Begode, Kingsong and Inmotion.
A monowheel, or uniwheel, is a one-wheeled single-track vehicle similar to a unicycle.
A tilting three-wheeler, tilting trike, leaning trike, or even just tilter, is a three-wheeled vehicle and usually a narrow-track vehicle whose body and or wheels tilt in the direction of a turn. Such vehicles can corner without rolling over despite having a narrow axle track because they can balance some or all of the roll moment caused by centripetal acceleration with an opposite roll moment caused by gravity, as bicycles and motorcycles do. This also reduces the lateral acceleration experienced by the rider, which some find more comfortable than the alternative. The narrow profile can result in reduced aerodynamic drag and increased fuel efficiency. These types of vehicles have also been described as "man-wide vehicles" (MWV).
The i-unit is an ultra-compact single seater four wheeled Toyota concept car. It debuted at the World Expo 2005, held in Aichi Prefecture, Japan. The vehicle is a cross between a microcar, a motorcycle, and a vehicular exoskeleton. The goal of Toyota is to provide a personal mobility, which can be used on roads but also does not hinder interaction with pedestrians. For this the i-unit has two possible setups. First, there is an upright low speed setup, where the rider has a higher position and can have conversations face-to-face with pedestrians and can move among people. This upright position can be transformed while driving to a low position, where the rider sits much lower and more reclined. This high speed setup has a much lower center of gravity and is for driving at higher speeds.
Carver Europe B.V. is a Dutch company that develops and manufactures three-wheeled electric enclosed man-wide vehicles. The company's core technology is the Dynamic Vehicle Control (DVC) system, which enables narrow vehicles to make banked turns, aiding stability when turning at higher speeds.
A transmission control unit (TCU), also known as a transmission control module (TCM), or a gearbox control unit (GCU), is a type of automotive ECU that is used to control electronic automatic transmissions. Similar systems are used in conjunction with various semi-automatic transmissions, purely for clutch automation and actuation. A TCU in a modern automatic transmission generally uses sensors from the vehicle, as well as data provided by the engine control unit (ECU), to calculate how and when to change gears in the vehicle for optimum performance, fuel economy and shift quality.
Bicycle and motorcycle dynamics is the science of the motion of bicycles and motorcycles and their components, due to the forces acting on them. Dynamics falls under a branch of physics known as classical mechanics. Bike motions of interest include balancing, steering, braking, accelerating, suspension activation, and vibration. The study of these motions began in the late 19th century and continues today.
An active suspension is a type of automotive suspension that uses an onboard control system to control the vertical movement of the vehicle's wheels and axles relative to the chassis or vehicle frame, rather than the conventional passive suspension that relies solely on large springs to maintain static support and dampen the vertical wheel movements caused by the road surface. Active suspensions are divided into two classes: true active suspensions, and adaptive or semi-active suspensions. While semi-adaptive suspensions only vary shock absorber firmness to match changing road or dynamic conditions, active suspensions use some type of actuator to raise and lower the chassis independently at each wheel.
A dicycle is a vehicle with two parallel wheels, side by side, unlike single-track vehicles such as motorcycles and bicycles, which have two wheels inline. Originally used to refer to devices with large wheels and pedals, the term is now used in relation to powered self-balancing scooters with smaller wheels and no pedals such as the Segway PT and the self-balancing hoverboard.
A pedelec or EPAC, is a type of low-powered electric bicycle where the rider's pedalling is assisted by a small electric motor. However, unlike some other types of e-bikes, pedelecs are classified as conventional bicycles in many countries by road authorities rather than as a type of electric moped. Pedelecs include an electronic controller which cuts power to the motor when the rider is not pedalling or when a certain speed – usually 25 km/h (16 mph) or 32 km/h (20 mph) – is reached. Pedelecs are useful for people who ride in hilly areas or in strong headwinds. While a pedelec can be any type of bicycle, a pedelec city bike is very common. A conventional bicycle can be converted to a pedelec with the addition of the necessary parts, e.g., motor, battery, etc.
The Uno is a novel self-balancing electric motorcycle using two wheels side by side. The Uno III adds a third wheel that allows it to transform into a tricycle.
The Personal Urban Mobility and Accessibility (PUMA) was an experimental electrically powered road vehicle created by Segway and adopted by General Motors as a concept vehicle representing the future of urban transportation. It operates on two wheels placed side by side, a layout that differs in placement from motorcycles which instead have their two wheels placed at the front and rear.
General Motors EN-V is a 2-seat urban electric concept car jointly developed by Segway Inc. and General Motors that can be driven normally or operated autonomously.
Segway Inc. is a Chinese owned, formerly American manufacturer of two-wheeled personal transporters, chiefly through its Segway PT and Segway miniPro product lines. Founded by inventor Dean Kamen in 1999, the company's name is a homophone of the word "segue".
Robstep is a line of two-wheeled, self-balancing, battery-powered electric vehicles invented by Dongguan Robstep Robot Co., Ltd. of Guangdong, Dongguan, China. The name "Robstep" is a portmanteau of the words "robot" and "step", meaning robotic steps. The devices have been compared to Segways.
Focus Designs is an American based designer and distributor of self-balancing unicycles. It is known as the first company to build and release the first commercially available self-balancing unicycle. The company appeared in a 2012 episode of the Shark Tank where it was offered funding from the Sharks.
Crosswind stabilization (CWS) is a relatively new advanced driver-assistance system in cars and trucks that was first featured in a 2009 Mercedes-Benz S-Class. CWS assists drivers in controlling a vehicle during strong wind conditions such as driving over a bridge or when overtaking a semi-truck. CWS uses yaw rate, lateral acceleration, steering angle, and velocity sensors to determine how much assistance to give the driver in a certain scenario whether it be at different speeds or while turning. Using different components throughout the vehicle like brakes, differentials, and suspension, CWS can implement the readings from force sensors to properly assist the driver in a given situation.
A self-balancing scooter is a self-balancing personal transporter consisting of two motorized wheels connected to a pair of articulated pads on which the rider places their feet. The rider controls the speed by leaning forward or backward, and direction of travel by twisting the pads.
A personal transporter is any of a class of compact, mostly recent, motorised micromobility vehicle for transporting an individual at speeds that do not normally exceed 25 km/h (16 mph). They include electric skateboards, kick scooters, self-balancing unicycles and Segways, as well as gasoline-fueled motorised scooters or skateboards, typically using two-stroke engines of less than 49 cc (3.0 cu in) displacement. Many newer versions use recent advances in vehicle battery and motor-control technologies. They are growing in popularity, and legislators are in the process of determining how these devices should be classified, regulated and accommodated during a period of rapid innovation.