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A spherical robot, also known as spherical mobile robot, or ball-shaped robot is a mobile robot with spherical external shape. [1] A spherical robot is typically made of a spherical shell serving as the body of the robot and an internal driving unit (IDU) that enables the robot to move. [2] Spherical mobile robots typically move by rolling over ...
PUMA 560 C robot arm segment measurements. [4] 6 Axis arm with 3 axis making up a spherical wrist. [5] Maximum reach 878mm from center axis to center of wrist [5] Software selectable payloads from 4 kg to 2.5 kg [5] Arm weight: 83 kg (approximate) [6] Repeatability ±0.1mm [7] 2.5 kg max velocity: 500mm/sec straight line moves [7]
Additional degrees of freedom allow to change the configuration of some link on the arm (e.g., elbow up/down), while keeping the robot hand in the same pose. Inverse kinematics is the mathematical process to calculate the configuration of an arm, typically in terms of joint angles, given a desired pose of the robot hand in three dimensional space.
[3] Sankyo Seiki, Pentel and NEC presented the SCARA robot as a completely new concept for assembly robots in 1981. The robot was developed under the guidance of Hiroshi Makino, [4] a professor at the University of Yamanashi. [2] Its arm was rigid in the Z-axis and pliable in the XY-axes, which allowed it to adapt to holes in the XY-axes. [5] [6]
Angles in degrees are entered to define and modify orientations the robot is to assume at named locations, and to describe angular positions of robot joints. Angle values can be positive or negative, with their magnitudes limited by 1800 or 3600 depending on the usage. Within the range, angle values can be specified in increments of 0.01°.
An example of a wrist singularity is when the path through which the robot is traveling causes the first and third axes of the robot's wrist (i.e. robot's axes 4 and 6) to line up. The second wrist axis then attempts to spin 180° in zero time to maintain the orientation of the end effector.
The following outline is provided as an overview of and topical guide to robotics: . Robotics is a branch of mechanical engineering, electrical engineering and computer science that deals with the design, construction, operation, and application of robots, as well as computer systems for their control, sensory feedback, and information processing.
Sphero Bolt is a transparent version of the Sphero robot, with a diameter of 73 millimetres (2.9 in) and weighs 200 grams (0.44 lb). [26] It is sealed and has an inductive charger. This model has the most sensors of the various Sphero robots, including motor encoders, gyroscope, accelerometer, 8x8 LED matrix display, compass, infrared, and ...