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Mohammad Haghighipanah

5 accepted papers

2017

Utilizing Elasticity of Cable-Driven Surgical Robot to Estimate Cable Tension and External Force

RA-L 2017

Cable-driven robots enable compact design by allowing actuators to be mounted away from joints. This kind of actuation is desired in surgical robots. The cables in these robots must remain under tension at all times in order to have optimum performance. Thus, the knowledge of initial value of cable

Cited by 46SourceScholar
2016

Dynamic modeling of cable driven elongated surgical instruments for sensorless grip force estimation

ICRA 2016

Haptic feedback plays a key role in surgeries, but it is still a missing component in robotic Minimally Invasive Surgeries. This paper proposes a dynamic model-based sensorless grip force estimation method to address the haptic perception problem for commonly used elongated cable-driven surgical ins

Cited by 46SourceScholar
2016

Hysteresis model of longitudinally loaded cable for cable driven robots and identification of the parameters

ICRA 2016

In this paper, we propose model of longitudinally loaded cable based on the Bouc-Wen hysteresis model and within the framework of the Duhem operator. By optimizing the 9 hysteresis model parameters with a genetic algorithm, the proposed model is shown to be capable of representing quasi-static respo

Cited by 50SourceScholar
2016

Unscented Kalman Filter and 3D vision to improve cable driven surgical robot joint angle estimation

ICRA 2016

Cable driven manipulators are popular in surgical robots due to compact design, low inertia, and remote actuation. In these manipulators, encoders are usually mounted on the motor, and joint angles are estimated based on transmission kinematics. However, due to non-linear properties of cables such a

Cited by 36SourceScholar
2015

Improving position precision of a servo-controlled elastic cable driven surgical robot using Unscented Kalman Filter

IROS 2015poster

Cable driven power transmission is popular in many manipulator applications including medical arms. In spite of advantages obtained by removing motors from the mechanism, cable transmission introduces higher non-linearity and more uncertainties such as cable stretch and cable coupling. In order to i…

Cited by 56SourceScholar