Use of the Spine Bull's-Eye Robot with PSAV seems be an accurate and feasible approach for guidewire (and thus pedicle screw) placement in the thoracic and lumbar spine.
. In order to improve the energy efficiency of plug-in hybrid electric vehicles, it is important to design a suitable regenerative braking strategy. There are many control strategies that have been developed and presented for plug-in hybrid electric vehicles. Most of them are aimed to energy flow management, and seldom involves regenerative braking control. In this paper, a regenerative braking strategy based on multi-lookup table method is proposed for plug-in hybrid electric vehicles. Decelerations are introduced as the index of Table Selector, so braking force distribution coefficients can be flexibly adjusted using the proposed strategy. Finally, the simulation results show the validity of the novel strategy.
This paper introduces the detecting principle、range of application and interferencerejection of Ultrasonic And UHF Partial Discharge Detection In GIS(Gas Insulated Switchgear).In view of the advantages and disadvantages of ultrasonic and UHF detection,this paper proposesa quick joint detection method, which uses UHF (Ultra High Frequency) method to online detectthe suspected discharge range in real time, adopts ultrasonic method to determine the specificdischarge points, finally through a concrete instance in a 1000KV UHV(Ultra High Voltage)Substation verified the feasibility of the joint detection method.
ABSTMCPThis paper introduces the design and implementation of a Prolog-based Object-oriented Knowledge Representation System (POKRS for short), which i s a developing environment of knowledge systems. In the system, the authors design a logic-based object-oriented knowledge representation language which is based on the combination of the object-oriented vroqramming and logic programming. The language has both the capability of knowledge base organization from object-oriented programming and the expressive power from logic programming. The paper describes the language implementing method, an algorithm of message receiving and method searching in the inference mechanism, and the functions of knowledge base inquiry and maintenance.The system also provides a structural editor as input tool. language on IBM-PC microcomputer. knowledge PO= has been implemented in Prolog-KABA
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