Using pre-recorded human motion and trajectory tracking, we can control the motion of a humanoid robot for free-space, upper body gestures. However, the number of degrees of freedom, range of joint motion, and achievable joint velocities of today’s humanoid robots are far more limited than those of the average human subject. In this paper, we explore a set of techniques for limiting human motio...

This paper presents the forward and inverse displacement analysis of a novel three-legged walking robot STriDER (Selfexcited Tripedal Dynamic Experimental Robot). STriDER utilizes the concept of passive dynamic locomotion to walk, but when all three feet of the robot are on the ground, the kinematic structure of the robot behaves like an in-parallel manipulator. To plan and control its change o...

A dual-robot system is a robotic device composed of two robot arms. To eliminate the joint-angle drift and prevent the occurrence of high joint velocity, a velocity-level bi-criteria optimization scheme, which includes two criteria (i.e., the minimum velocity norm and the repetitive motion), is proposed and investigated for coordinated path tracking of dual robot manipulators. Specifically, to ...

The problem of fault detection and isolation (FDI) in cooperative manipulators is addressed in this paper. Four FDI procedures are developed to deal with free-swinging joint faults, locked joint faults, incorrectly measured joint position, and incorrectly measured joint velocity. Free-swinging and locked joint faults are isolated via neural networks. For each arm, a Multilayer Perceptron (MLP) ...

Copying human physiology leads us to the first truly anthropomimetic robot ECCEROBOT, driven by the antagonistically coupled compliant drives. Control design of such a mechanism appears as a really demanding and challenging mission. Puller-follower concept, developed for the robotic joint with antagonistically coupled drives, is expanded to the multi-joint control level. Problems in control of ...

In this paper we present experimental results of several control algorithms for a non-holononmic underactuated 2-DOF robot. The rst joint of the robot consists of a DD-motor whereas the second joint has no actuator but a holding break. We derive a control law using non-collocated linearization for the uncertain parameter case and apply a PD, LQG and VS controller. In experiments the di erent co...

The humanoid robot BioBiped2 is powered by series elastic actuators (SEA) at the leg joints. As motivated by the human muscle architecture comprising monoarticular and biarticular muscles, the SEA at joint level are supported by elastic elements spanning two joints. In this study we demonstrate in simulation and in robot experiments, to what extend synchronous joint operation can be enhanced by...

Skilled mechanical arms of consanguine relationship formed by joints the relative motion of the adjacent interfaces enable, have been connected. Ability to perform a variety of pre-programmed robotic manipulator in various industries. Skilled mechanical arms in recent years as a significant progress has been completed. House repair and easier to work with them as well and fit and optimal relati...

Whole-arm tactile sensing enables a robot to sense properties of contact across its entire arm. By using this large sensing area, a robot has the potential to acquire useful information from incidental contact that occurs while performing a task. Within this paper, we demonstrate that data-driven methods can be used to infer mechanical properties of objects from incidental contact with a robot’...

With a compliant structure and excellent bending properties, continuum robot has hyper-redundant degrees of freedom, and can be used in space-constrained environments as the aircraft fuel tank. Therefore, a continuum robot is designed to help crews inspect aircraft fuel tanks, which can improve maintenance efficiency and reduce the intensity of crews. According to the requirements of aircraft f...