As we know, NASA is a government agency owned by the United States responsible for space research. As if not wanting to miss the times ...
As we know, NASA is a government agency owned by the United States responsible for space research. As if not wanting to miss the times of NASA also turned out to be enlivening the automotive world by making an electric car. How not, the United States Aeronautics and Space Administration Institute is indeed one of the influential institutions in the world so that it could be called a storehouse of future technology.
An Innovator at NASA, the Johnson Space Center, in collaboration with automotive partners, developed the Modular Robotic Vehicle (MRV). MRV is fully electric and is claimed to be very suitable for dense urban environments, industrial complexes, or large resort areas.
MRV was developed at NASA Johnson Space Center, Houston. MRV is designed with a maximum of two passengers. The size is indeed quite small, which is 2.1 meters long, 1.5 meters wide, and weighs 907 kilograms.
"This two-seater vehicle is designed to meet the challenges and demands of ever-growing urban transportation. MRV is ideal because it is small and can be agile maneuvering that provides advantages in walking and parking in a limited area," said Mason Markee, Johnson Space Center Spokesperson.
MRV combines several innovative technologies individually as a component. MRV does not have a mechanical connection to the drive, steering, or brake actuator.
This car is driven through the control input, which is converted into an electrical signal and transmitted by wire to the motor in the vehicle. This electric car has 190 ft-lb of torque and a top speed of 40mpg or around 65kpj. MRV applies architecture that is very important for the safe operation of by-wire systems. This electric car operates on four independent wheel modules called e-corner.
Uniquely each of these tires can be rotated up to 180 degrees on the steering axis. With this capability parallel parking is very easy to do. Because MRV uses a by-wire control system, space and weight are very compact compared to conventional designs. Also, the functional capabilities provided by each e-corner allow control of the situation in a variety of different operating modes.
E-corner provides significant flexibility in driving options. For example, the driving mode can be activated so that all four wheels are pointing and moving in the same direction to achieve an omnidirectional movement or all wheels can be directed perpendicular to the center of the vehicle to allow rotation around the center axis.
Drivers can choose to control the vehicle with a conventional steering wheel or add input via the joystick for additional control in several drive modes. Active thermal control loops maintain a high-powered motor temperature, and there are also single thermal loops to cool avionics and special lithium-ion battery packs.
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Source: google, nasa
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