With the rapid development of production technology and the impact of globalcompetition, domestic manufacturers are facing unprecedented opportunities andchallenges. Domestic and foreign enterprises have realized the important status androle of the production logistics in production activities. Logistics is seen as”thethird profit source of business”, “the effective way of enhancing the corecompetitiveness of enterprises and economic
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With the rapid development of production technology and the impact of globalcompetition, domestic manufacturers are facing unprecedented opportunities andchallenges. Domestic and foreign enterprises have realized the important status androle of the production logistics in production activities. Logistics is seen as”thethird profit source of business”, “the effective way of enhancing the corecompetitiveness of enterprises and economic
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Direct-drive electro-hydraulic servo system applies the AC servo motor instead of the servo valve and changes the flow quantity through discharging the pump’s rotation speed. It has the advantage of high reliability, simple structure, high effect and capacity of preventing pollution so that it’s one of the newest developing direction in hydraulic control research.The paper
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In view of the research on performance of wired broadband access network downstream channel, in order to ensure system quality in broadband access network, the study on performance of upstream channel has been a focus, especially noises’research.As well known, narrow-band continuous wave interference and impulse interference that are major reasons result in errors in a
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Consumable DE-GMAW is a novel and efficient welding method, which has manyadvantages: it can improve the welding efficiency, reduce the base metal heat input,apply to the sheet metal welding and ensure the performance of the base metal afterwelding. But during the open-loop state, coupling and influence between two arcsmakes the welding spatter greater and welding
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Learning control was first proposed from the generalized intelligent control which contains learning control, cognitive control, associative decision making and so on. As an important research field of intelligent control, learning control was used in more and more industrial control field, such as control theory and education theory. With the development of the science and
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Along with the process of industrial modernization, industrial production in the process of controlled object and the control precision and the performance requirements of increasingly high, and because of the structural change of the object of control, operating environment changes, the non-linear effects, as well as environmental interference and other factors, the traditional PID controller
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In coal marketing and transportation demand more and more efficient, fast and accurate loading system of today, coal shipment is one of the important marks of the coal industry modernization. The controlling system of coal feeder is extremely important in the coal loading system; The gate control system is an important part of controlling system
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This thesis gives a deep analysis on HSDPA transmissionperformance. It is generated under the background when China Mobilebuilds up the TD-SCDMA mobile network. Some regions received baddata transmission rate under the on field test. From the aspect of radiotransmission characteristic, this problem lies in worse transmissionperformance in AP (Application Layer). Therefore, proper solutionsshould be taken
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At present the global economic integration is accelerating quickly, and the competitiveness of manufacturing enterprises becomes fiercer. To the modern manufacturing sector, to reduce product cost is the crucial link in the competition to win. The processing of all kinds of resources, the capacity of processing machine equipment have been identified, it is very difficult
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