نتایج جستجو برای: hybrid
تعداد نتایج: 190922 فیلتر نتایج به سال:
a numerical method for solving variational problems is presented in this paper. the method is based upon hybrid of hartley functions approximations. the properties of hybrid functions which are the combinations of block-pulse functions and hartley functions are first presented. the operational matrix of integration is then utilized to reduce the variational problems to the solution of algebraic...
Zeno hybrid automata are hybrid systems that can exhibit in nitely many discrete transitions in a nite time interval. Such automata arise due to modeling simplications and may deteriorate simulation e ciency and accuracy considerably. Some basic properties of Zeno hybrid automata are explored. Possible ways to extend a simulation beyond the Zeno time are suggested.
A library of components for modelling hybrid automata in a natural fashion has been implemented in Modelica. This library exploits and extends the free Modelica library StateGraph to the modelling and simulation of deterministic hybrid systems described by the hybrid automaton formalism. In this contribution the library’s main features are described and its flexibility highlighted by developing...
This paper proposes a speciication language, Hybrid Projection Temporal Logic (HPTL), for the purpose of modelling, analyzing and verifying hybrid systems consisting of a non-trivial mixture of discrete and continuous components. The syntax and semantics of HPTL are presented, and some examples of hybrid systems are modelled with HPTL to illustrate the formalism.
Actually, the Hybrid Systems (HS) approach is very used to solve problems where different knowledge representations are involve in one system. This integration has the advantage to compensate the weakness of one or another system complementing their strengths. The Neuro-Symbolic Hybrid Systems (NSHS) arise of the HS as an approach that offer the possibility to implement robust systems where the...
low water consumption in autumn sugar beet sowing is an important strategy for sugar beet production, especially in arid regions like iran. for the development of a new monogerm triploid hybrid called sharif which is bolting tolerant and suitable for autumn sowing in khuzestan province, a breeding program was started in 1994 and continued for16 years. this program had two stages; the first stag...
although several papers have studied no-idle scheduling problems, they all focus on flow shops, assuming one processor at each working stage. but, companies commonly extend to hybrid flow shops by duplicating machines in parallel in stages. this paper considers the problem of scheduling no-idle hybrid flow shops. a mixed integer linear programming model is first developed to mathematically form...
the cytoplasmic male sterile (cms) lines that are used in production of hybrid seeds in three-line system often get contaminated with their maintainer lines. using such impure cms lines in rice hybrid seed production lead to un-uniformity and yield loss in hybrid rice. laborious and time consuming phenotypic evaluations are used for elimination of off-type plants in cms multiplication farms. th...
in this study, the effects of moisture content and corn variety on the physicochemical properties of popcorn were investigated and modeled using response surface methodology. each of the two corn varieties (hybrid corn ksc 600 pc and american) was prepared with a range of moisture (six moisture levels ranging from 10 to 20%) and popped by a hot air popper. variety and moisture content affected ...
many studies have been done on hybrid vehicles in the past few years. the full hybrid vehicles need a large number of batteries creating up to 300 (v) to meet the required voltage of electric motor. the size and weight of the batteries cause some problems. this research investigates the mild hybrid vehicle. this vehicle includes a small electric motor and a high power internal combustion engine...
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