Freeing the Serial Mechanism Designer from Inverse Kinematic Solvability Constraints
Abstract
This paper presents a fast numerical solution for the inverse kinematics of a serial manipulator. The method is implemented on the C-arm, a manipulator designed for use in robotic surgery. The inverse kinematics solution provides all possible solutions for any six degree-of-freedom serial manipulator, assuming that the forward kinematics are known and that it is possible to solve for the remaining joint angles if one joint angle’s value is known. With a fast numerical method and the current levels of computing power, designing a manipulator with closed-form inverse kinematics is no longer necessary. When designing the C-arm, we therefore chose to weigh other factors, such as actuator size and patient safety, more heavily than the ability to find a closed-form inverse kinematics solution.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jan 01, 2010
- Source ID
- 10.1155/2010/605978
Entities
People
- Blake Hannaford
- Diana C. W. Friedman
- Jacob Rosen
- Radivoje Jovanovic
- Tim Kowalewski
Organizations
- United States Army
- University of California, Santa Cruz
- University of Washington