single degree of freedom system calculating matrix exponential in closed form
Problem Y - Response Spectrum Analysis For Single Degree of Freedom System System pptx
Ngày tải lên :
06/07/2014, 09:20
... Cartesian Tab • In the Number of Grid Spaces area type in the X direction edit box • In the Number of Grid Spaces area type in the Y direction edit box • In the Number of Grid Spaces area type in the ... joint Click the Pointer button Select the joint by clicking on it From the Assign menu select Joint and then Springs… from the submenu to display the Joint Springs dialog box 10 In this dialog box: ... “X” in the upper right-hand corner of the window labeled 3-D View to close it Click the Draw Special Joint button from the Draw menu Click on the grid intersection at the origin to enter a joint...
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Chapter 12 vibration of two degree of freedom system
Ngày tải lên :
29/08/2014, 22:44
... Absorber Consider a vibrating system of mass m1 , stiffness k1 , subjected to a force F sin ωt As studied in case of forced vibration of single- degree of freedom system, the system will have a steady ... Damped-free vibration of two-dof systems Consider a two degrees of freedom system with damping as shown in figure x1 k1 c1 m1 x2 k2 c2 m2 k3 c3 Figure Now the equation of motion of this system can be ... problem in this case is reduced to that of finding the eigenvalues and eigenvectors of the matrix A Example: Determine the normal modes of a double pendulum Solution Kinetic energy of the system...
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Luận văn Thạc sỹ - Đề tài Nghiên cứu hệ thống có trễ (Two - Degree - of - freedom - control) và sự kết hợp Two - Degree - of - freedom - control và STR
Ngày tải lên :
26/05/2014, 00:05
... gian tìm hiểu, học viên định chọn điều khiển Two -degree- of- freedom- control làm đối tượng nghiên cứu Dựa vào lý thuyết điều khiển Two -degree- of- freedom- control, học viên áp dụng để điều khiển đối ... tốt Two -degree- of- freedom- control để tiến hành nghiên cứu phát triển, sau áp dụng vào hệ quạt gió phẳng để kiểm chứng Chương 2: Trình bày chi tiết lý thuyết điều khiển Two -degree- of- freedomcontrol ... khiển Two -degree- of- freedom- control với điều khiển tự chỉnh định STR Bộ điều khiển STR có nhiệm vụ cập nhật thông số mô hình toán đối tượng, sau đưa thông số vào điều khiển Two -degree- of- freedom- control...
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Báo cáo khoa học: "Semi-robotic 6 degree of freedom positioning for intracranial high precision radiotherapy; first phantom and clinical results" potx
Ngày tải lên :
09/08/2014, 08:23
... all naive to 6DoF manual prepositioning) each positioned the phantom 10 times, totaling 30 repositionings, including the initial position according to the planning CT infrared information (IR-dataset1) ... Abbreviations: IR = Infrared, CBCT = cone-beam CT, DoF = degrees of freedom The position of the infrared markers, as read by the ceiling mounted infrared cameras is saved within the PatMon software (= ... information (IR-dataset1) To determine the feasibility of the manual prepositioning according to infrared information, the time from beginning the manual pre-positioning to reaching the required ± 2° and...
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Forced vibration of two degrees of freedom system
Ngày tải lên :
29/08/2014, 22:41
... Forced vibration of degree of freedom system Fig 2: Two DOF system modelling of a motor generator set up A simplified two degree of freedom system is shown in Fig The motion of the system is completely ... respectively The free-body diagrams of the masses and are shown in Fig 1(b) Fig 3: A two degree of freedom spring mass system Equations of motion of degree of freedom system are given by: m1 x1 k1 ... when the exciting frequency coincides with any one of the natural frequency of the system Forced vibration analysis: For the forced-vibration analysis of the system shown in Fig 3, the system is...
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lecture 6 dof the two degree of freedom
Ngày tải lên :
29/08/2014, 22:45
... Uncoupling of the Equations of motion Equations of motion of an undamped multi -degree of freedom system The displacement vector can be written as a linear combination of the mode shape vectors or in ... Example 1: In a four DOF system the damping in the first mode is 0.02 and in the fourth mode is 0.01 Determine the proportional damping matrix and calculate the damping in the second and ... The damping matrix is Example 2: Obtain a free vibration solution for a four DOF system using only two modes Assume 5% damping in the first two modes First two modes: Uncoupling equations of motion...
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2dof Forced vibration of two degrees of freedom system
Ngày tải lên :
29/08/2014, 22:45
... Multidegree of freedom systems Multidegree of freedom systems • A t t db f As stated before, most engineering systems are continuous and t i i t contin o s d have an infinite number of degrees of freedom. The vibration ... Equations of motion in matrix form Equations of motion in matrix form • The equations of motion in matrix form in the above example can be h f f h b l b expressed as: Equations of motion in matrix form ... equations, which is relatively simple. Hence, for simplicity of analysis, continuous systems are often approximated as analysis continuous systems are often approximated as multidegree of freedom systems • For a system having n degrees of freedom, there are n associated ...
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báo cáo khoa học: " A review of health system infection control measures in developing countries: what can be learned to reduce maternal mortality" pps
Ngày tải lên :
11/08/2014, 14:21
... gaining involvement of clinical directors, obtaining funding from senior management budgets and ensuring that senior clinicians participated actively at meetings Emphasis was placed on making individual ... 10% of mortality [15] There is no direct evidence of infection rates rising as a result of increasing institutional delivery Page of rates However, it is plausible that increasing utilisation of ... effect of introducing opinion leaders to motivate and change the practice of clinicians has been assessed in a systematic review [47] Opinion leaders were more effective than feedback of information...
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Báo cáo y học: " Down-regulation of the inhibitor of growth family member 4 (ING4) in different forms of pulmonary fibrosis" docx
Ngày tải lên :
12/08/2014, 14:20
... sought to determine the expression profiles of ING4, also known as inhibitor of HIF-1a, in different forms of pulmonary fibrosis, including the experimental model and two types of idiopathic fibrotic ... of ING4 expression, both in mRNA and protein level, in the BLM-model of pulmonary fibrosis compared to untreated mice Intriguingly, reduced expression of ING4 was noted as a gradual decline in ... the role of ING4 in the pathogenesis of pulmonary fibrosis by assessing its expression both in the bleomycin (BLM)-model and in two different types of human pulmonary fibrosis by using tissue...
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Parametric vibrations of mechanical system with several degrees of freedom under the action of electromagnetic force
Ngày tải lên :
08/04/2015, 15:30
... degree of freedom [1] This gives reason to expect that in each resonant region the same peculiarities of motion will be displayed as were found in the system with a single degree of freedom Introducing ... m 93’ It is easily seen that the system of Eqs (2.12) is the complete analogy of the differen tial equations of vibrations of a system with single degree of freedom To avoid repeti tion, we ... problem of construction of a solu tion of the system of equations of the form (2.12) is considered in detail Thus, following the results of [1], we conclude that when the frequency V of an electric...
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Monitoring the macroeconomic determinants of banking system stability
Ngày tải lên :
24/10/2012, 09:11
... it has the indisputable advantage of giving prominence to the role of monetary stability in maintaining financial system soundness Table Synoptic table of the main approaches to financial crises ... stability of the financial system Theoretical outline of the determinants of financial crises Problems of a systemic nature, which can affect the whole of the banking sector, have been the subject of ... productive investment opportunities” By analysing the anatomy of various US financial crises, Mishkin draws attention to three categories of indicators which have often coincided at the beginning of...
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The Price of Freedom
Ngày tải lên :
06/11/2012, 14:13
... completion of his tale of misunderstanding and abuse ‘The woman must be mad to think such a thing about such an honest and clean-living young man No one in their right mind could think you were anything ... the sun's glare, reflecting myriads of tiny diamonds – a lesson in subtlety for the mirror-glass office tower thrusting its bulk between a muddle of buildings A silvery train slid through the suburban ... allowing themselves to get so fat It didn't bear thinking about the sweat, washing under and between all the folds, the effort of carrying the extra kilos He tried to imagine lugging fifty tubs of...
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PHÂN TÍCH DAO ĐỘNG HỆ TRỤC CHÍNH TÀU THỦY BẰNG PHƯƠNG PHÁP PHẦN TỬ HỮU HẠN * VIBRATION ANALYSIS OF PROPULSION SYSTEM OF SHIP BY FINITE ELEMENT METHOD
Ngày tải lên :
09/04/2013, 12:58
... Fundamentals of Mechanical Vibration, NJ, 2001 J S Carlton: Marine Propellers and Propulsion System, Bulterworth Heineman, 1998 Loyd's Register: "Rules and Regulations for The Classification of Ships", ... William T.Thomson: Theory of Vibration with Applications, Prentice Hall, 1982 M Géradin/D.Rixen: Mechanical Vibrations, Wiley, 1994 C.T.Sun, Y.P.LU: Vibration Damping of Structural Elements, Prentice ... nhiều ứng suất thay đổi Thơng qua đồ thị khuếch đại ta thấy tần số lực cưỡng (moment xoắn động sinh ra) gần với tần số riêng biên độ dao động tăng nhanh (hiện tượng cộng hưởng) Đặc biệt bậc tự...
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A research proposal submitted in partial fulfillment of the requirements for the degree of Master of Business Administration
Ngày tải lên :
13/04/2013, 10:30
... supermarkets’ performance Average spending at supermarkets Things bought at supermarkets Prior intention of going supermarkets Comparison in prior intention of going supermarkets Reasons for going to supermarkets ... there is again opposing behavior in prior intention of going supermarkets between the two groups, describing in table 4.9 The option “plan before going” appeared much more often in heavy-users ... parking, check cashing, fast checkout, and bagging Cash and carry is the preferred method of doing business (Lewison, 1994) No one definition of a supermarket exists because of the wide range of...
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Reliability analysis of power system based on generalized stochastic petri nets
Ngày tải lên :
03/01/2014, 19:35
... of each component of the system Essentially, the ETN operates based on the information regarding the states of the components, e.g open /closed for circuit breakers, out-oforder/working for lines ... function defined in terms of the marking of the places that are connected to a transition through its input and inhibition functions The idea here consists in introducing a new place ps in the SMN ... ), are reported in Table III Since we decided to condition only the transition T PU T of the protection of line L1 , then we only need the information contained in the column I1 of Table III This...
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Tài liệu Integration and Automation of Manufacturing System ppt
Ngày tải lên :
20/01/2014, 02:20
... string in the command is a format string In the string a ’%d’ indicates an integer, and ’\n’ indicates an end of line The remaining characters in the format string are printed as shown The format ... turning motors on/off, regulating speeds, etc., to perform a single process This is often done by the manufacturers of industrial machinery 1.2.1 CAD/CAM? • A common part of an integrated system ... components in the operating system An administrator can manage the operating system using the graphical user interface (GUI), or using typed commands New users often prefer to use the system using the...
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Tài liệu A thesis submitted to The University of Birmingham for the degree of Clinical Psychology Doctorate docx
Ngày tải lên :
12/02/2014, 12:20
... range of difficulties, including contamination of naturally gluten free foods with wheat flour, inadequate labelling of food items, and enduring gluten remaining in gluten free wheat starch used in ... Assessment Information from Peter’s mother Information from Peter’s step-father Information from Peter’s key worker Information from my behavioural observation Behavioural formulation 11 Systemic formulation ... Table Features of each study in review Study Setting Participant information Origin N (% uptake) Timing of study in relation to diagnosis Type of design Outcome measures Results Inclusion criteria...
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Tài liệu World Bank, Inter-American Development Bank, and Subregional Development Banks in Latin America: Dynamics of a System of Multilateral Development Banks ppt
Ngày tải lên :
16/02/2014, 06:20
... closeness to international capital markets Other SRDBs are introducing innovations in microfinance and SME financing with instruments such as loans to financial intermediaries, financial support ... between (i) improving the financial position of the institution by increasing reserves and strengthening lending capacity; (ii) providing grants, increasing concessional lending, or building fiduciary ... financial situation and capacity to mobilize financial resources, (iv) innovation in financial instruments and customization of their interventions, and (v) patterns of allocating net income in...
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