Methods and devices for safe operation of undersize autonomous vehicles on public roads
First Claim
1. A method of avoiding accidents comprising:
- (a) operating a driverless first vehicle on public roads with the vehicle comprising;
a vehicle chassis weighing less than 200 pounds,an elevated visibility structure with a visible marker controlled by a data processing device with a first sensor to detect a presence of a second vehicle and a second sensor to measure a speed of the driverless first vehicle,a support structure of low aerodynamic resistance connecting the vehicle chassis and the elevated visibility structure with the elevated visibility structure substantially raised above the vehicle chassis,a data processing device with a sensor to detect the second vehicle,(b) running a program on the data processing device to determine the presence of the second vehicle, and(c) modifying the visibility of the marker as a function of the determination of the presence of a second vehicle.
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Abstract
A miniature autonomous vehicle for operation on the public roads is disclosed. The small size allows efficiency for small payloads, but produces a danger of being overlooked by other vehicles. The size of the vehicle is less than driver operated vehicles and may be restricted to less than 200 pounds. Sensors determine the vehicles speed and the presence of environmental vehicles and use a processor to calculate the need for additional visibility. A visibility structure and support structure with lights or markers is controlled by the processor. The markers are controlled in their operation or position by the processor on the basis of the sensor data. Extending or raising and retracting or lowering the structure affects the air resistance and stability of the vehicle. The structure can be raised when the vehicle stops or is in traffic and lowered at road speeds in light or absent traffic.
21 Citations
12 Claims
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1. A method of avoiding accidents comprising:
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(a) operating a driverless first vehicle on public roads with the vehicle comprising; a vehicle chassis weighing less than 200 pounds, an elevated visibility structure with a visible marker controlled by a data processing device with a first sensor to detect a presence of a second vehicle and a second sensor to measure a speed of the driverless first vehicle, a support structure of low aerodynamic resistance connecting the vehicle chassis and the elevated visibility structure with the elevated visibility structure substantially raised above the vehicle chassis, a data processing device with a sensor to detect the second vehicle, (b) running a program on the data processing device to determine the presence of the second vehicle, and (c) modifying the visibility of the marker as a function of the determination of the presence of a second vehicle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of avoiding accidents comprising:
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(a) operating a driverless first vehicle with a chassis weighing less than 200 pounds and a visibility structure with a first position and a second position wherein the operation is on public roads and there may be a second vehicle present which is operated by a driver with a line of sight higher than a height of the first vehicle, (b) using a sensor to determine a presence of the second vehicle, (c) making the first vehicle visible to the driver of the second vehicle by raising the visibility structure from the first position to the second position wherein the first position is below the line of sight of the driver of the second vehicle and the second position is above the line of sight of the driver of the second vehicle, and (d) increasing an efficiency of the first vehicle by lowering the visibility structure to the first position when the second vehicle is not present wherein the first vehicle with the visibility structure in the first position is substantially more aerodynamically efficient than the first vehicle with the visibility structure in the second position. - View Dependent Claims (8, 9)
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10. A method of safely operating a vehicle comprising:
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(a) operating a driverless first vehicle on public roads wherein the first driverless vehicle is substantially smaller than human driven vehicles, (b) making a first determination with a computing device and at least one sensor that there is a risk that the first driverless vehicle will not be seen by a driver of a second vehicle which is a human driven vehicle, (c) moving a component of the first vehicle with a first position and a second position from the first position to the second position to increase a visibility of the first driverless vehicle to the driver of the second vehicle as a function of the first determination, (d) making a second determination with the computing device that a risk that the first driverless vehicle will not be seen by the driver of the second vehicle has been reduced from the risk of the first determination, (e) moving the component as a function of the second determination from the second position to a first position to accomplish at least one of a lower aerodynamic resistance by the first driverless vehicle and a lower center of gravity of the first driverless vehicle. - View Dependent Claims (11, 12)
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Specification