... questions.In general, how satisfied are users with the performance of your datacenter? gVery satisfied; we receive almost no complaints about performance. gSomewhat satisfied; while our users occasionally ... l o re strategies for improving reliability and cost effectiveness in terms of layout, cable management, cooling and power utilization gPursue forward-thinking strategies for the 21st century ... Section A 4Worksheet: Analyzing Your Data CenterDesign and Layout The key to maintaining a high- performance data network is the design andlayout of your data center.In Section A, we’ll examine...
... Interconnect Section BInfrastructure Solutions for High- Performance Data NetworksA Planning Guide for Network ManagersPLANNING GUIDEA Planning Guide for Network ManagersPage 6Spatial LayoutHow ... while keeping costs down? Infrastructure Solutions for A Planning Guide for Network Managers High- Performance Data NetworksA Planning Guide for Network ManagersPage 13How well do you feel you ... capacity. The formula for category 6 UTP is shown below. The last calculation(multiplying by 1.30) is done to ensure that the cable management system is no more than 70percent full.Formula for Cable...
... improve the performance of established1.2 What is a high- tech product? 13Introduction Growth Maturity DeclineTime/investment Performance Figure 1.6 The concept of a life cycle for products ... Meaning of Marketing for High- Tech FirmsThe Meaning of Marketing for High- Tech FirmsIt is clear that successful marketing strategies have been funda-mental for all the high- technology firms ... which are now almost forgotten. For industrial products, the case of electronics is characteristic: In the1950s the input medium for information processing was first performed byvacuum tubes....
... current command for the rated d-axis current and open speed loop. HIGH PERFORMANCE DRIVES E Levi, 200159-8-6-4-202468Current (A)0 0.005 0.01 0.015Time (s)a. current waveform0.0010.010.1110Current ... so that machineoperates with 70 % of the rated flux (the reason for operation with reduced flux is beyond the scope of HIGH PERFORMANCE DRIVES E Levi, 200157applied through a rate-of-change ... rotor flux is established in the machine, speed command equal to −40 % of the rated speed is HIGH PERFORMANCE DRIVES E Levi, 200162curve expressed as a function of the stator q-axis current...
... frequency is high enough, one carrier wavemay be utilised for all the three phases as is done here. HIGH PERFORMANCE DRIVES E Levi, 2001925. CURRENT CONTROL TECHNIQUES IN HIGH PERFORMANCE AC ... magnet synchronous machine (SPMSM) with surface mounted magnets is tobe used in a highperformance machine tool drive, for operation in the base speed region only. It is fedfrom a PWM inverter, whose ... by means of rampcomparison method. In the latter case, the need for decoupling circuit application is addressed as well. HIGH PERFORMANCE DRIVES E Levi, 200199in the complex plane and explain...
... Matlab for speedestimator evaluationData cableDC generatorFig. 6.5 - The experimental rig. HIGH PERFORMANCE DRIVES E Levi, 20011006. SPEED ESTIMATION FOR SENSORLESS HIGH PERFORMANCE VECTOR ... requiring high dynamic performance. Different, more sophisticated techniques are required forhighperformance applications invector controlled drives. In a sensorless drive, speed information ... flux:()()iLLiiLLirmsssrmsssαααβββψψ=−=−11(6.18) HIGH PERFORMANCE DRIVES E Levi, 20011096.5. PERFORMANCE OF THE ROTOR FLUX BASED MRAC SPEED ESTIMATOR Performance of the MRAC based speed estimator,...
... physically showing the audience. Therefore, radiois more useful for increasing awareness and especially for stressing specific228 Communication Strategy for High- Tech Products ... Strategy for High- Tech Productsthe company and are therefore more readily accepted. Credibility and over-coming resistance to change are two key elements of success in marketing a high- tech ... ad campaign in 2002 with $70million for the North American market.However, the sheer volume of money is not the ultimateindicator of performance; some highly successful companieshave managed...
... improve the performance of established1.2 What is a high- tech product? 13Introduction Growth Maturity DeclineTime/investment Performance Figure 1.6 The concept of a life cycle for products ... Meaning of Marketing for High- Tech FirmsThe Meaning of Marketing for High- Tech FirmsIt is clear that successful marketing strategies have been funda-mental for all the high- technology firms ... cycle), as well as a high innovation value for the market. For these reasons, high- tech productsrequire large investments in research and development, and are oftenintended for specific markets....