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M-2 is a robot for autonomous transportation of heavy materials and equipments of up to 100kg. It is
designed to endure the rough outdoor environment of a construction site. Using Behavior-based AI
technology, it navigates using collision avoidance and its behavior-based vision system. Its 3 modes
of operations are appropriate for use on a construction site. First, it can transport heavy materials
and equipment by following a worker. Second, by following pylons which is set to design the route,
M-2 can autonomously move from one point to another without any input from a worker by following
pylons set at the site. Movements will be determined by the software through the IR communication
system in the pylons. Last of all, M-2 can be controlled using a wireless remote. It can operate with
a radio control system.
Traditional autonomous transportation vehicles rely on pre-set rails or tape on the floor, and are not
appropriate for outdoor use. M-2's movement dynamically adjust to changes in the environment and
shows behavior-based AI characteristics. This ability gives M-2 flexibility, stability, and firmness of
movement. Therefore, there is no need to adjust the environment other than placing the pylons.
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Size:
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Length: 142 cm
Width: 73 cm
Height: 48 cm (up to pedestal)
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Weight:
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About 100 kg
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Wheels:
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4 (2 wheel drive)
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Maximum Speed:
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2 m/second (varies depending on terrain and obstacles)
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Payload:
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150 kg
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Computer Capacity:
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Main controller is Motorola 32 bit 68332
Computer mounted Vesta board
Image processing handled by MIT vision processing board
Includes real time operating system, collision avoidance software, people and pylon following
software, and a group of behaviors for user interactions.
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Sensors:
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- 4 IR communication sensor
- 5 Ultrasonic obstacle detection sensor
- 2 Touch sensor in front and back bumpers
- Behavior-based vision system sensor
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Open Port for additional sensors:
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- Digital output (8)
- Digital input (14)
- Serial port (2)
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Power:
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2 12 V 55 Ah batteries.
Continuous Usage Time: 5 hours (average payload 50 kg on a surface)
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Hardware Options
- People Following/People Avoiding Sensor Package
- Light Sensor Assembly
- Video Transmitter/Receiver
- Voice Recognition/Synthesis
- Digital Radio Control Transmitter/Receiver (with or without video feedback)
- KoreBot Board
- PC/104 Processor Board
- Pan/Tilt Unit
- SICK Proximity Laser Scanner
- SICK Laser Layer
- BreezeCom 4-Port System
- Computerized Navigation Compass
- Differential GPS System
- Differential GPS Mobile Unit
- Absolute Orientation Sensor
- Inertial Navigation Sensor
- Fiber Optic Gyro
Software Options
- Basic Synthesized Voice Vocabulary
- Basic Pseudo Command Vocabulary for the Speech Recognition Unit
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