human machine interface design for process control applications download

... WORK We propose an effective algorithm for eye-wink interpreta- tion for human- machine interface. By integrating SVM and dynamic programming, the eye-wink control interpretation system will enable ... eye detec- tion and tracking research. It can be applied for vision-based human- machine interface (HMI) applications such as moni- toring human vigilance [1–6] and assisting the disable [7, 8]. The ... and then interprets the eye winking as certain commands for human- machine interface. In the experiments, our system demonstrates better performance as well as higher accuracy. Copyright © 2007...

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Ngày tải lên: 13/12/2013, 03:15

... of ATV71 messages 8.2 Human- machine interfaces 8.3 Discrete control and indicator units 8. Human- machine interface 188 8.2 Human- machine interfaces The human- machine interface has made outstanding ... Information flow in the human- machine interface A human- machine interface (C Fig .1) uses two information flows in two dir ections: - Machine –> Human - Human –> Machine These flows are ... XBTGT. Additional information ar e available in the Schneider Electric documentation. Summary8. Human- machine interface 185 1 2 3 4 5 6 7 8 9 10 11 12 M 8.1 Human- machine interface setup 186 8.2 Human- machine...

Ngày tải lên: 15/02/2014, 08:49

... software for a while. When you're designing for extremes with software, the three most important "extremes" to remember are: 1. Design for people who can't read. 2. Design for ... we think we're designing for users, but no matter how hard we try, we're designing for who we think the user is, and that means, sadly, that we're designing for ourselves. Until ... to improve any user interface, from traditional GUI applications to Web sites to consumer electronics. Table of Contents User Interface Design for Programmers Foreword Introduction...

Ngày tải lên: 20/03/2014, 15:41

... the measurement for controller FIC whose output regulates the material flow via control valve FCV. This is a simple cascade loop, the form of which is used very often in process control. Reset ... the measurement for controller LIC, which has a manual set point and whose output is the set point for flow controller FIC. Flow sensor/transmitter FT determines the flow in process fluid #2 ... instrumentation for process control 24 that when the output of AIC is still within the dosing range of valve ACV2, the three-way valve ACV3 is forced by AAL to recirculate the process fluid....

Ngày tải lên: 15/05/2014, 11:03

... were written for engineers on the design team, the process hazard analysis team, and the people who make the basic decisions on plant design. Engineering design for process safety ... 535 Table 17-5 Combustible-Dependent Constants for Low-Strength Enclosures 552 Guidelines for Engineering Design for Process Safety CENTER FOR CHEMICAL PROCESS SAFETY of the AMERICAN INSTITUTE ... for Different Process Equipment 119 Table 4-2 Basic Considerations for All Fired Equipment 132 Table 4-3 Process Vessels: Special Material Concerns 136 Table 4-4 Checklist for Design ...

Ngày tải lên: 03/07/2014, 12:20

... of protection—the process design. The best first line of defense is to design a process in which hazardous incidents cannot happen. If such a process can be designed, or if ... suggestions for future development. Chemistry of side reactions and by-products may also offer opportunities for increasing the inherent safety of a process. For example, a process ... sulfuric acid) for sulfona- tion reactions If a chemical process requires the concentrated form of a material, it may be feasible to store it as a more dilute form and concentrate ...

Ngày tải lên: 03/07/2014, 12:20

... them. Therefore,when you design a user interface, you have to understand how the interface works in the operating system for which you’re designing it. If you’re going to write a software interface for ... stock went up for sale in 1996. What’s more, the user interface for Netscape set the standard for Web browser design that is still largely in use today. Internet Explorer and Its Impact on Design Microsoft ... number of tasks the user has to remember, GUIs also constrain the designer by requiring the interface to con- form to standards designed for that operating system. What’s more, all the GUIs discussed...

Ngày tải lên: 09/08/2014, 12:21

... Goal-Directed Design Process for software engineering and user design. The Goal-Directed Design Process was designed to keep everyone in the loop, keep guesswork out of the design process, and ... the form of a marble that had the information etched on it. ã Zooming interfaces is an evolutionary outgrowth of the GUI. Therefore, zooming interfaces sport the acronym ZUI, for zooming user interface. A ... GUI design requirements have taken some issues of software design off the table, but GUIs do not automatically result in good software interface design. ã Web design , which is the process of designing...

Ngày tải lên: 09/08/2014, 12:21

... Chapter 7,“Designing a User Interface. ” Are Designers Against Users? Designers and users have fundamentally different goals when it comes to design of any kind,and that includes user design. For example,designers ... and workflow design based on the users’ tasks and streamlines work before you begin design. No interface design is produced in this task. ã Conceptual model design The team creates high-level design ... interfaces in Chapter 7,“Designing a User Interface, ”and for Web sites in Chapter 8,“Designing a Web Site.” Phase 2: Design, Testing, and Development This phase is split into three levels of design work....

Ngày tải lên: 09/08/2014, 12:21

... of human action when performing a task: 1. Forming the goal For example, if you have a Web site with informa- tion that the user wants, the user will consider the goal to be to find the information ... discussion about why you should care about good user interface design. There are three primary reasons for good user interface design: good design saves you and your team time and your company ... information in our memories. Because of that, we require constraints that break information up so our brains can process it. For example, there are seven digits in phone numbers because our human...

Ngày tải lên: 09/08/2014, 12:21