scholarly journals Design Optimization of Serial Link Redundant Manipulator: An Approach Using Global Performance Metric

2014 ◽  
Vol 14 ◽  
pp. 43-50 ◽  
Author(s):  
Virendra Kumar ◽  
Soumen Sen ◽  
Shibendu S. Roy ◽  
Chandan Har ◽  
S.N. Shome
Author(s):  
Toshit Jain ◽  
Jinesh Kumar Jain ◽  
Debanik Roy

Automatic control to any of robot manipulators, some kind of issues are being observed. A numerical method for solution generation to the inverse kinematics problem of redundant robotic manipulators is presented to obtain the smoothest algorithm as possible, leading to a robust iterative method. After the primary objective of the reachability of end-effectors to the target point is achieved, the aim is set to resolve the redundant degrees of freedom of redundant manipulator. This method is numerically stable since it converges to the correct answer with virtually any initial approximation, and it is not sensitive to the singular configurations of the manipulator. In addition, this technique is computationally effective and able to apply for serial manipulators with any DOF applications. A planar 3R-DOF serial link redundant manipulator is considered as exemplar problem for solving. Also, the continuum approach for resolving more complex structure with variable DoF is illustrated here and their brief applicability to support surgeries and adaptive use of artificial linkage moments is also calculated.


Author(s):  
Marcus Pettersson ◽  
Johan Andersson ◽  
Petter Krus

One area in design optimization is component based design where the designer has to choose between many different discrete alternatives. These types of problems have discrete character and in order to admit optimization an interpolation between the alternatives is often performed. However, in this paper a modified version of the non-gradient algorithm the Complex method is developed where no interpolation between alternatives is needed. Furthermore, the optimization algorithm itself is optimized using a performance metric that measures the effectiveness of the algorithm. In this way the optimal performance of the proposed discrete Complex method has been identified. Another important area in design optimization is the case of optimization based on simulations. For such problems no gradient information is available, hence non-gradient methods are therefore a natural choice. The application for this paper is the design of an industrial robot where the system performance is evaluated using comprehensive simulation models. The objective is to maximize performance with constraints on lifetime and cost, and the design variables are discrete choices of gear boxes for the different axes.


2011 ◽  
Vol E94-C (11) ◽  
pp. 1787-1793 ◽  
Author(s):  
Bongsub SONG ◽  
Kwangsoo KIM ◽  
Jinwook BURM
Keyword(s):  

Sign in / Sign up

Export Citation Format

Share Document