Motion Control of a Robot Manipulator in Free Space Based on Model Predictive Control
Bibliographic record
Abstract
This chapter presented a simplified approach to predictive control adapted to robot manipulators. Control schemes were derived for velocity control as well as position tracking, leading to general predictive equations that do not require online optimization. Several justified simplifications were made on the deterministic part of the typical predictive control in order to obtain a compromise between the accuracy of the model and the computation time. These simplifications can be seen as a means of combining the advantages of predictive control with the simplicity of implementation of a computed torque method and the fast computing time of a PID. Despite all these simplifications, experimental results on a 6-DOF cable-driven parallel manipulator demonstrated the effectiveness of the method in terms of performance. The method using the exact solution of the optimal control appears to alleviate two of the main drawbacks of predictive control for manipulators, namely: the complexity of the implementation and the computational burden.Further investigations should focus on the stability analysis using Lyapunov functions and also on the demonstration of the robustness of the proposed control law.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".