This research delves into the enhancement of control mechanisms for the da Vinci Surgical System, focusing on the implementation of gravity compensation and refining the modeling of the master and patient side manipulators. Leveraging the Robot Operating System (ROS) the study aimed to fortify the precision and stability of the robots movements essential for intricate surgical procedures. Through rigorous parameter identification and the Euler Lagrange approach the team successfully derived the necessary torque equations and established a robust mathematical model. Implementation of the actual robot and simulation in Gazebo highlighted the efficacy of the developed control strategies facilitating accurate positioning and minimizing drift. Additionally, the project extended its contributions by constructing a comprehensive model for the patient side manipulator laying the groundwork for future research endeavors. This work signifies a significant advancement in the pursuit of enhanced precision and user control in robotic assisted surgeries. NOTE - This work has been submitted to the IEEE R-AL for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible.

翻译：本研究深入探讨了达芬奇手术系统控制机制的改进，重点聚焦于重力补偿的实施以及主端和患者侧机械臂建模的优化。借助机器人操作系统（ROS），本研究旨在增强机器人动作的精度与稳定性，这对于复杂外科手术至关重要。通过严格的参数辨识和欧拉-拉格朗日方法，团队成功推导了必要的扭矩方程，并建立了稳健的数学模型。在Gazebo仿真环境及实际机器人上的实验验证了所开发控制策略的有效性，实现了精确定位并减少了漂移。此外，本项目通过构建患者侧机械臂的完整模型拓展了贡献，为未来研究工作奠定了基础。这项工作标志着在提升机器人辅助手术精度与用户控制能力方面取得了显著进展。注——本文已提交至IEEE R-AL进行可能出版。版权可能未经通知即转移，此后本版本可能不再可用。