Milling Part Program Preprocessing for Jerk-limited, Minimum-time Tool Paths Based on Optimal Control Theory

@article{Bosetti2016MillingPP,
  title={Milling Part Program Preprocessing for Jerk-limited, Minimum-time Tool Paths Based on Optimal Control Theory},
  author={P. Bosetti and Matteo Ragni},
  journal={IEEJ journal of industry applications},
  year={2016},
  volume={5},
  pages={53-60}
}
The key task performed by CNCs is the generation of the time sequence of set points for driving each physical axis of the machine tool during program execution. This interpolation of axes movement must satisfy a number of constraints on axes dynamics (velocity, acceleration, and jerk), and on process outcome (smooth tool movement and precise tracking of the nominal tool path at the desired feed rate). This paper presents an algorithm that aims at solving the axes interpolation problem by… Expand
1 Citations
Jerk within the Context of Science and Engineering—A Systematic Review
TLDR
A literature review of the jerk and higher derivatives of displacement, from terminology and historical background to standards, measurements and current applications is presented. Expand

References

SHOWING 1-10 OF 17 REFERENCES
Feed-rate and trajectory optimization for CNC machine tools
The key task performed by CNCs is the generation of the time-sequence of set-points for driving each physical axis of the machine tool during program execution. This interpolation of axes movementExpand
Feed optimization for five-axis CNC machine tools with drive constraints
Abstract Real time control of five-axis machine tools requires smooth generation of feed, acceleration and jerk in CNC systems without violating the physical limits of the drives. This paper presentsExpand
Feedrate interpolation with axis jerk constraints on 5-axis NURBS and G1 tool path
Abstract A key role of the CNC is to perform the feedrate interpolation which consists in generating the setpoints sent to each axis of a machine tool based on a NC program. In high speed machining,Expand
Feed-rate optimization with jerk constraints for generating minimum-time trajectories
Abstract Competitive pressure requires manufacturers to simultaneously address increasingly stringent constraints on both productivity and quality. From the perspective of numerically controlled (NC)Expand
A greedy algorithm for feedrate planning of CNC machines along curved tool paths with confined jerk
In this paper, the problem of optimal feedrate planning along a curved tool path for 3-axis CNC machines with the acceleration and jerk limits for each axis and the tangential velocity bound isExpand
A Generalized Time-Optimal Bidirectional Scan Algorithm for Constrained Feed-Rate Optimization
The problem of generating an optimal feed-rate trajectory has received a significant amount of attention in both the robotics and machining literature. The typical objective is to generate aExpand
Experimental validation and comparative analysis of optimal time-jerk algorithms for trajectory planning
TLDR
Two minimum time-jerk trajectory planning algorithms for robotic manipulators are considered, evaluated and experimentally validated, and the results prove the experimental effectiveness of the proposed techniques. Expand
Real-time P-H curve CNC interpolators for high speed cornering
In this paper, real-time Pythagorean hodograph (P-H) curve CNC interpolators are used for high speed corner machining. There are large contouring errors around sharp corners when low-bandwidth servoExpand
Time-energy optimal path tracking for robots: a numerically efficient optimization approach
This paper focuses on time-optimal and time-energy optimal path tracking, which are subproblems in optimal motion planning of robot systems. Through a nonlinear change of variables, the time-energyExpand
On singular time-optimal control along specified paths
  • Z. Shiller
  • Mathematics, Computer Science
  • IEEE Trans. Robotics Autom.
  • 1994
TLDR
It is proven that singular control cannot exist if the set of admissible controls is strictly convex, as is demonstrated for a two-link planar manipulator with elliptical actuator constraints. Expand
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