Working Project: Needle Manipulation

A University of Manchester (UoM) and University of Tokyo (UTokyo) collaboration, on dual-quaternion (DQ) control for needle insertion. Built on DQRobotics, it provides a QP-based task-space controller with remote-centre-of-motion (RCM) and joint-limit constraints, extended with violation-field constraints that keep a needle within a safe band around vessel primitives (with optional angular insertion constraints).

Installation

pip install marinholab-working-needlemanipulation

Building from source needs cmake, ninja, g++, Eigen3 and initialised git submodules — see AGENTS.md.

Usage

The public API is exposed at the package root:

from marinholab.working.needlemanipulation import (
    ICRA19TaskSpaceController,   # QP task-space control (RCM + joint limits)
    NeedleController,            # adds vessel VFI + insertion constraints
    M3_SerialManipulatorSimulatorFriendly,  # serial-manipulator model
)

Three examples are installed as commands:

needlemanipulation_example — build a small robot and (if matplotlib is available) plot it in 3D.
needlemanipulation_example_create_needle_controller — build a NeedleController from the bundled left_robot.yaml.
needlemanipulation_example_load_from_file — run the base controller on the bundled model for a short trajectory (records an MP4 when matplotlib is available).

The live end-to-end insertion simulations against the pediatric simulator live in saul/ and require a running simulator instance; they are not part of the installed package.

License

See LICENSE for details.

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