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In this paper, we present the design and fabrication of a bio-inspired caudal fin actuator for propulsion and maneuvering purposes in a fish-like robot. Shape memory alloy (SMA) composite actuator is customized to provide the necessary work out for the caudal fin. The pocket holes guide, electrical wiring and attachment pads for SMA actuators are all embedded in a single layer of cellulose acetate...
This paper presents a method to analyse 3D planar surfaces and to measure variations on it. The method is oriented to the detection of deformations on the elastic object surfaces formed by flat faces. These deformations are usually caused when two bodies, a solid and another elastic object, come in contact and there are contact pressures among their faces. Our method describes a strategy to model...
This paper describes the empathy oriented human-robot interaction model. It is projected to design the model capable of different empathic responses (parallel and reactive) during the course of interaction with the user, depending upon the personality and mood factors of the robot. The proposed model encompasses three main stages i.e., Perception, empathic appraisal and empathic expression. Perception...
This paper is devoted to the optimization of image synthesis for complex shape objects in the robotic system of ultrasonic testing. The basis of this process is a preliminary analysis of the object with complex geometry to ensure reproducibility and accuracy of the tests in the specified range. It includes such stages as digital model creation, geometric surface analysis, creating of control points...
Object recognition via shape matching has been a fundamental topic in robot vision. More and more technologies are widely used in the field of robot and automation in recent years. The shape contour contains meaningful information for object characterization, therefore, an effective representation of shape contour is important for the capability of a shape matching method. In this work, we propose...
In this paper, we present a method to classify the category of clothing item. When visually recognizing clothing items based on their shapes, two types of shape variations make the recognition difficult: physical deformation and the variety of size and design. In order to lessen the effect of deformation, first, the item of interest is reshaped into one of a small number of limited shapes. To absorb...
Knowledge of the physical properties of objects is essential in a wide range of robotic manipulation scenarios. A robot may not always be aware of such properties prior to interaction. If an object is incorrectly assumed to be rigid, it may exhibit unpredictable behavior when grasped. In this paper, we use vision based observation of the behavior of an object a robot is interacting with and use it...
Autonomous robots that are intended to work in disaster scenarios like collapsed or contaminated buildings need to be able to efficiently identify action possibilities in unknown environments. This includes the detection of environmental elements that allow interaction, such as doors or debris, as well as the utilization of fixed environmental structures for stable whole-body loco-manipulation. Affordances...
Recently, observation and manipulation of cells and cell groups have been carried out by using micro hand. However, the common micro hand is fixed to the working environment. Therefore we cannot manipulate the object from various direction. We propose an automatic stage system which can eliminate the limitation of the manipulation direction of the micro hand.
In the present paper, we deal with the grasping aspect regarding reactive object retrieving during fast aerial pick-and-place maneuevers. The paper addresses the problem of the optimal grabbing of an object by means of a 5 degrees of freedom (DoF) gripper. Also, is introduced the optimization framework for the identification of the optimal contact points between the end-effector and the object. In...
In this study, we propose and evaluate the unified laundry folding method for robot arm which can fold many kinds of laundries in the same way. The basic concept of this method is to make the laundry to square shape by using the developed some unified rules. The edges of the laundry are detected and the image of the laundry is enclosed in a rectangle by image processing, then the folding line to fold...
To achieve both weight reduction and crash safety improvement in automobile bodies, we have developed Three-Dimensional Hot Bending and Direct Quench (3DQ) technology, the first in the world. In this paper, we describe the overview and the effect of 3DQ with robot.
The modular robot is constructed by the same shape and function module. The robot can transform and exchange, because it is multiple modules and function. In previous paper, we manufactured the module by 3D printer, and evaluated the mechanical function of the simple module and modular robot. In this paper, the module is miniaturized and joint parts are improved. Joint parts are used tenon joint in...
In this paper a nano-swimmer with length between 10 to 100nm consisting of a motor, filament and hinged boundaries is controlled by mathematical simulations successfully. A nanoswimmer that lies in a heterodimer magnetic nano-particle is proposed based on existed nano-robots. Dynamic of swimming is simulated by using some sequence of shape changes where magnetic forces act on one-ends of nano-swimmer...
This paper presents a novel application based on the bio-inspired motion of the Amoeba. This research is focused on development a soft micro robot based on the Amoeba locomotion which can be named Whole Skin Locomotion. The robot is created using the fluid filled toroid method that acts as a body shaping feature with ferrofluid material placed within that is delivered to create the driving force....
Computer vision systems are one of the most widely used techniques in Automation and have been extensively used for industry automation. Industrial automation deals mainly with the automation of production, quality control and materials management processes. One trend is the increasing use of Machine vision to offer automatic inspection and robot guidance functions, while the other is a continued...
Continuum tubular robots, which are constructed by telescoping pre-curved elastic tubes, are capable of balancing the force application and steerability during minimally invasive surgeries. These devices are able to reach the desired surgical sites in body cavities without colliding with critical blood vessels, nerves and tissues. However, the motion planning of continuum tubular robots is quite challenging...
We present a descriptor estimator for surface-based 3D input data for coarse localization of mobile robots. From the input pointclouds surfaces are reconstructed and simplified to detect stable keypoints which are used to evaluate rotation and translation invariant features. The invariance is achieved by transforming the triangulated input data into the frequency domain by Fourier transformation and...
An objective of an autonomous sociable robot is to meet the needs and preferences of a human user. However, this can sometimes be at the expense of the robot's own ability to understand social signals produced by the user. In particular, human preferences of distance (proxemics) to the robot can have significant impact on the performance rates of its automated speech and gesture recognition systems...
Robotic manipulation of deformable objects remains a challenging task. One such task is folding a garment autonomously. Given start and end folding positions, what is an optimal trajectory to move the robotic arm to fold a garment? Certain trajectories will cause the garment to move, creating wrinkles, and gaps, other trajectories will fail altogether. We present a novel solution to find an optimal...
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