cooperative object manipulation control of rigid-flexible multi-body systems in space is studied in this paper. during such tasks, flexible members like solar panels may get vibrated that in turn may lead to some oscillatory disturbing forces on other subsystems, and consequently produces error in the motion of the end-effectors of the cooperative manipulating arms. therefore, to design and dev...

In this paper, by considering the notion of extended BCK-module, we define the concepts of free extended BCK-module, free object in category of extended BCK-modules and we state and prove some related results. Specially, we define the notion of idempotent extended BCK-module and we get some important results in free extended BCK-modules. In particular, in category of idempotent extended BCK-mod...

let s be a monoid and x a class of s-acts which is closed under coproducts. the object of this article is to find conditions under which all s-acts have x-precovering. we have shown that the existence of torsion-free precovering implies the existence of torsion-free covering. this work is an attempt to further facilitate the study of the conjecture that all s-acts have flat cover.

Objectives: Persian is a pro-drop language with canonical Subject-Object-Verb (SOV) word order. This study investigates the acquisition of word order in Persian-speaking children. Methods: In the present study, participants were 60 Persian-speaking children (30 girls and 30 boys) with typically developing language skills, and aged between 30-47 months. The 30-minute language samples were audio...

Source-free object detection (SFOD) aims to transfer a detector pre-trained on label-rich source domain an unlabeled target without seeing data. While most existing SFOD methods generate pseudo labels via source-pretrained model guide training, these usually contain high noises due heavy discrepancy. In order obtain better supervisions, we divide the into source-similar and source-dissimilar pa...

Constraint-logic object-oriented programming provides a useful symbiosis between and constraint-logic search. The ability to use logic variables, constraints, non-deterministic search, in an integrated way facilitates the combination of search-related program parts other business applications. With this work we add array-typed variables (“free arrays”), thus completing set types that can assume...