hazard analysis critical control point

... Khi có th , Critical limit ph i đo lư ng đư c Văn b n hóa rõ lý ch n Critical limit (CL) Các quy đ nh lu t đ nh hư ng d n th c hành v an tồn th c ph m … c n đư c xem xét thi t l p Critical Limit ... 22 2.6- LI T KÊ M I NGUY CHO T NG CƠNG ĐO N-PHÂN TÍCH M I NGUY VÀ XEM XÉT CÁC BI N PHÁP KI M SỐT Hazard (M i nguy): v t lý, hóa h c, sinh h c L p lu n (Justification) v cách th c xác đ nh m c ch...

Ngày tải lên: 08/09/2015, 22:04

Ngày tải lên: 30/07/2014, 19:28

... Contents Hazard Analysis and Critical Control Points (HACCP) Program 6b) Evaluate each potential hazard The HACCP Team must then conduct a Hazard Analysis to identify which potential hazards are ... Determine control measure of each Significant Hazard NOTE: More than one Critical Control Measure may control a Significant Food Safety Hazard, and a single Critical Control Measure may control ... Contents Hazard Analysis and Critical Control Points (HACCP) Program Figure Hazard Determination Questions to be answered for each potential hazard at each step Is the presence of a potential hazard...

Ngày tải lên: 10/07/2014, 09:27

... lượng thực phẩm áp dụng rộng rãi toàn giới Nhóm HACCP photo Khái niệm HACCP (Hazard Analysis and Critical Control Points) hệ thống quản lý mang tính phòng ngừa nhằm đảm bảo an toàn thực phẩm ... hành tục thẩm tra hệ lưu trữ hồ sơ hạn (CCP - CCP động khắc phục thống HACCP HACCP Critical Control giới hạn tới Points) hạn bị phá vỡ Nhóm Khó khăn áp dụng HACCP Nội doanh nghiệp thực phẩm Cơ sở...

Ngày tải lên: 06/12/2016, 13:30

... function f(t) is called theforcingfunction In addition, for all problems of interest in control system analysis, the initial conditions are given In other words, values of x, dxldt, , d”-‘xldP-* ... transform of 6(t), which will be discussed in detail in Chap Transforms of Derivatives At this point, the reader may wonder what has been gained by introduction of the Laplace transform The transform ... answer, the Laplace transform of x(t) Solution of Differential Equations There are two important points to note regarding this last example In the first place, application of the transformation...

Ngày tải lên: 22/12/2013, 21:18

... dynamics ,and control; Much of his research in control has emphasized the development and evaluation of new .control algorithms for processes that cannot be controlled easily by ,cpnventional control; ... 19 20 21 Advanced Control Strategies Controller Tuning and Process Identification Control Valves Theoretical Analysis of Complex Processes 249 282 303 318 Part VI Sampled-Data Control Systems ... ,cpnventional control; some of the areas investigated are time%p~inkl control, adaptive pH control, direct digital control, and batch control of fermentors He has reported on his research in numerous...

Ngày tải lên: 22/12/2013, 21:18

... important for some of the analysis and control techniques later on, • Nonlinear system analysis methods and tools (Chapters 6–8) The most important nonlinear analysis methods for controllability, observability ... non-linear control demonstrated in practical applications that the non-linear control paradigm will begin to make a contribution to control engineering TLFeBook x Series Editors’ Foreword Process control ... Local Controllability of a Nonlinear 2-cell Heat Exchanger Controllability of a Simple Continuous Fermentation Process 6.5.1 Local Controllability Analysis...

Ngày tải lên: 01/01/2014, 18:38

... wavelet spectral analysis of climate dynamics 325 D Maraun, J Kurths and M , Holschneider 13 Synchronization of complex systems: Analysis and control 347 M.Rosenblum and A Pikovsky 14 Critical states ... from equilibrium Their analysis and possible control are intriguing and challenging aspects of the current research The duality of fundamental and applied research is a focal point of its main attractivity ... concept Consider a dynamical system with a stable fixed point Since the fixed point is stable a small perturbation (or stimulus) from the fixed point will decay If a perturbation exceeding a certain...

Ngày tải lên: 28/03/2014, 22:20

... III Thursday, March 10, 2005 1:47 PM Integrated Chemical Processes Synthesis, Operation, Analysis, and Control Edited by Kai Sundmacher, Achim Kienle and Andreas Seidel-Morgenstern cover1.fm Page ... Introduction 87 Azeotropes 89 Reactive Condenser and Reboiler 89 Conditions for Singular Points 90 Potential Singular Point Surface 90 SundmacherTOC-2.fm Page VII Wednesday, February 23, 2005 1:22 PM ... Residue Curve Maps 130 Example 1: Ideal Ternary System 130 Example 2: THF Formation 133 Singular Point Analysis 137 Approach 137 Ideal Ternary System 138 THF-System 142 Remarks on Kinetic Arheotropes...

Ngày tải lên: 01/04/2014, 11:04

... new control algorithms for the processes that cannot be controlled easily by conventional control; some of the areas investigated were time-optimal control, adaptive pH control, direct digital control, ... Value (Set Point) Control Signal Controller Measurement Signal Final Control Element Manipulated Variable Controlled Variable Process Measurement Device FIGURE 1–1 Generalized process control system ... Chapter 14 14.1 Transient Response of Simple Control Systems Proportional Control for Set Point Change (Servo Problem—Set Point Tracking) Proportional Control for Load Change (Regulator Problem—Disturbance...

Ngày tải lên: 01/04/2014, 11:12

... Bear 1972) As shown in figure 2-1, flow is directed from point A to point B even though the pressure at point B is greater than that at point A Figure 2-1 Darcy's law for flow through inclined ... method of analysis for evaluating an equivalent permeability should be used Formulae for the discontinuum analysis for equivalent permeability are presented later with various other methods of analysis ... DAEN-ECE-G 30 September 1986 Engineer Manual No 1110-2-1901 Engineering and Design SEEPAGE ANALYSIS AND CONTROL FOR DAMS Purpose This manual presents the fundamental design principles and guidance...

Ngày tải lên: 28/04/2014, 11:51

... better control of verticality, the ability to penetrate hard rock using chisels and/or nested percussion drills, and the protection of the embankment with casing when used for remedial seepage control ... Instrumentation and Monitoring Whenever a concrete cutoff wall is used for control of underseepage, the initial filling of the reservoir must be controlled and instrumentation monitored to determine if the ... sheetpiling and an upstream blanket were installed for control underseepage at Oahe Dam, South Dakota Relief wells were installed for remedial seepage control to provide relief of excess hydrostatic...

Ngày tải lên: 28/04/2014, 11:51

... Nonsmooth analysis refers to differential analysis in the absence of differentiability It can be regarded as a subfield of that vast subject known as nonlinear analysis While nonsmooth analysis has ... theory of viscosity solutions), control theory, and, increasingly, in analysis generally (critical point theory, inequalities, fixed point theory, variational methods ) In the long run, we expect its ... and some of its boundary points a point s in S whose distance to x is minimal Then s is called a closest point or a projection of x onto S The set of all such closest points is denoted by projS...

Ngày tải lên: 09/06/2014, 20:59

... certain level of shared -control between the user’s intention and the automatic controller is required, as formally introduced by [22] If the control relies on the automatic controller of the prosthesis, ... of 13 control, but dexterity is desirable By employing this “inverse PCA” algorithm, all DoFs of a dexterous robotic hand may be controlled in synergy by means of a simple two-signals control ... [26], and the 2-DoFs mouse signal was assumed as the input control signal The controller received the x y real time coordinates of the mouse pointer over the monitor screen, properly calibrated into...

Ngày tải lên: 19/06/2014, 08:20

... 340 Vibration Analysis and Control – New Trends and Developments The amplitude of the oscillating bodies during vibrotactile ... area of 3.0×14.0 cm, with a nearest source-detector separation of 2.0 cm, and measurement points were at 16 points on the frontal cortex During scanning, a Velcro band held the probe assembly securely ... occurred continuously when vibrotactile stimulation was performed daily In 342 Vibration Analysis and Control – New Trends and Developments particular, we used the 89 Hz-S from the previous experiment,...

Ngày tải lên: 19/06/2014, 19:20

... supports Let A denote the point/ points of attachment of the beam to the host structure and B denote the point/ points of attachment of the mass/masses The aim of the following analysis is the determination ... semi-active control system design of civil structures A semi-active control law based on a one-step-ahead prediction of the seismic response is proposed, which employs a vibration control device ... frequencies ω in the vicinity of Ωs Vibration Analysis and Control – New Trends and Developments () rAP (ω ) can be dampened by adapting the harmonic analysis in (Den Hartog, 1956) to the s system...

Ngày tải lên: 19/06/2014, 19:20

... design of a controller is greatly 28 Vibration Analysis and Control – New Trends and Developments Vibration Control simplified In particular, the combination of differential flatness with the control ... force, respecively In order to simplify the analysis we have assumed that c1 ≈ 30 Vibration Analysis and Control – New Trends and Developments Vibration Control ˙ ˙ Defining the state variables as ... Engineering Science.,Vol.223.,No.7, pp 1555-1567 26 Vibration Analysis and Control – New Trends and Developments Brennan, M.J (1997) Vibration control using a tunable vibration neutraliser Proc IMechE...

Ngày tải lên: 19/06/2014, 19:20

... 40 Vibration Analysis and Control – New Trends and Developments Vibration Control 14 4.1 Identification of the excitation frequency ω The differential ... e (t0 + δ0 ) is then started the algebraic identifier 42 Vibration Analysis and Control – New Trends and Developments Vibration Control 16 for F0 , which is obtained by solving N2 (t) − D2 (t) ... a fast estimation of this perturbation signal, the proposed controller is similar to an adaptive control scheme From a theoretical point of view, the algebraic identification is instantaneous...

Ngày tải lên: 19/06/2014, 19:20

... Hence, the control problem of eccentric structures under earthquakes is very important This paper focus on the seismic response control of eccentric structures using tuned liquid dampers The control ... Vibration, Vol.19, No.1, pp.197-201 70 Vibration Analysis and Control – New Trends and Developments Yan, S.; Li, H N & Lin, G (1998) Studies on Control Parameters of Adjustable Tuned Liquid Column ... vibrations can be found in (FIB, 2005) 72 Vibration Analysis and Control – New Trends and Developments An AVC system based on direct velocity feedback control (DVFC) with saturation has been studied...

Ngày tải lên: 19/06/2014, 19:20

... favourable control performance of the MR suspension system, skyhook controller, LQG controller, H∞ controller, sliding mode controller, moving sliding mode controller and fuzzy moving sliding mode controller ... LQG control, H∞ control, Sliding mode control, moving sliding mode control and fuzzy moving sliding mode control are formulated Finally, control performances of the proposed control algorithms ... vibration control, the quarter vehicle suspension system featuring MR damper is modelled and constructed Then, various vibration control strategies such as skyhook control, PID control, LQG control, ...

Ngày tải lên: 19/06/2014, 19:20