this paper aims to discuss the requirements of safe and smooth trajectory planning of transporter mobile robots to perform non-prehensile object manipulation task. in non-prehensile approach, the robot and the object must keep their grasp-less contact during manipulation task. to this end, dynamic grasp concept is employed for a box manipulation task and corresponding conditions are obtained an...

This paper aims to discuss the requirements of safe and smooth trajectory planning of transporter mobile robots to perform non-prehensile object manipulation task. In non-prehensile approach, the robot and the object must keep their grasp-less contact during manipulation task. To this end, dynamic grasp concept is employed for a box manipulation task and corresponding conditions are obtained an...

Designing a task with a reasonable level of cognitive complexity has always been important for syllabus designers, teachers, as well as researchers. This is because task manipulation may lead to different results in oral production. The present study was an attempt to explore the effect of this  manipulation  -  based  on  Robinson’s  resource-directing  model  (reasoning  demands, number of el...

Object manipulation techniques in robotics can be categorized in two major groups including manipulation with and without grasp. The aim of this paper is to develop an object manipulation method where in addition to being grasp-less, the manipulation task is done in a passive approach. In this method, linear and angular positions of the object are changed and its manipulation path is controlled...

This study aimed to investigate the impact of task sequencing, along +/- reasoning demands dimension, on writing task performance in terms of accuracy.  The study was motivated by Robinson’s Cognition Hypothesis (CH) as well as previous studies investigating the relationships between task complexity and second language production. The participants of the study were 90 intermediate students at t...

Abstract This paper proposes a robotic manipulation task relaxation method applied to and motion planning framework adapted from the literature. The consists of defining regions interest instead end-effector pose, which can potentially increase robot’s redundancy with respect task. Tasks are relaxed by controlling distance target plane while respecting suitable constraints in task-space. We for...

the aim of the present study was to investigate the manipulation of senses and speed on the performance of bimanual dynamic coordination. thus, 15 physical education students of shahid beheshti university with age range of 18-25 years performed in-phase and anti-phase patterns from slow to fast speed in five different sensory conditions. to investigate two motor patterns anova with repeated mea...

Abstract Task planning is a crucial component in facilitating robot multi-task manipulations. Language-based task methods offer practicality receiving commands from humans real-life scenarios and require only low-cost labeled data. However, existing often rely on sequence models for planning, which primarily focus mapping language to sequences of sub-tasks while neglecting the knowledge about t...

This study compared the effects of teacher-provided direct and indirect written corrective feedback and manipulation of resource-directing dimensions of task cognitive complexity along +/- Here and Now condition on the grammatical accuracy of Iranian intermediate EFL learners’ narrative writing tasks. There were 45 participants in the study who were randomly assigned to three experimental group...