ellis, g (2002) observers in control systems - a practical guide

... in many cases, people may be injured or equipment damaged. In addition to maintaining absolute stability, systems must maintain reasonable margins of stability. For example, a temperature controller ... in the control loop, they add phase lag, reducing margins of stability; control- law gains often must be reduced to compensate. Since margins of stability must be maintained at a...

Ngày tải lên: 18/04/2014, 12:27

... recurring, and material costs  Maintaining configuration control is difficult among a larger group  Obsolescence issues increase  Costs increase on high-production-rate product lines requiring multiple ... However, in a division, you can begin to form a common test strategy that typically falls into different quadrants. Standardization is a key strategy for balancing volum...

Ngày tải lên: 08/03/2014, 11:20

... extremal trajectory hasatmost twoswitch- ings and is of theform γ ± γ s γ ± where γ + , γ − arebang arcs and γ s asingular arc. 2 . In theparabolic case, each extremal arcisbang-bang with at mosttwo switchings ... correspondtovariationsofthe po in te nt eringt he bo undary andd eparting. Propo sition3 .23. An ece ssary optimality co nditionf or co nne cting or de- pa rting theb ounda ry i...

Ngày tải lên: 01/01/2014, 18:39

... in Figure 1-7 . Slow-hopping systems involve a changing of frequencies at a slower rate than the information bit rate, whereas fast-hopping requires a much faster change of the transmission ... channel spacing, thus increasing the AMPS capacity. These initial FDMA systems normally are referred to as " first-generation'' cellular systems. 6 FDMA s...

Ngày tải lên: 18/04/2014, 12:26

... devote any time or energy for teaching or grading purposes. But being a TA is not a bad thing. One of the authors of this paper believes that teaching and even grading (unless you happen to grade ... who are at the same level as you are. In this way you can work together and learn the material 8 together, and take advantage of comparative skills. Remember: The important thing is t...

Ngày tải lên: 08/03/2014, 05:20

... reasons, including establishing an average analyte value across a material, establishing an analyte concentration profile across a material, or determining local contamination in a material. In ... element of self-training takes place, particularly amongst more experienced analysts. 10.4 The laboratory shall maintain an up-to-date record of the training that each member of staff...

Ngày tải lên: 15/03/2014, 16:20

... 'Evaluation of harmfifl effects of environmental contamination in marine ecosystems using biomarkers (EV5V-CT9 4-0 398)' and 'Biological markers of environmental contamination in ... Type II binding spectra, whereas ligands such as 7-ethoxycoumarin, testosterone, SKF- 52 5A and a- naphthaflavone (predicted to give Type I) gave Reverse Type I spectra following bind...

Ngày tải lên: 16/03/2014, 18:10

... global warming contribute to increasing incidence of pre-malignant and malignant skin tumors III. Industrial Hygiene and Food Safety A. Identify the health and safety standards for milk and dairy ... needs for integration into the mainstream of health care suggested that; “to maintain and increase a mainstream position, chiropractors will need to practice in a more integrated fashion...

Ngày tải lên: 22/03/2014, 15:20

... facilitate structured learning and sharing among the representatives of many organizations, alternating with periods of action when they would engage in implementing changes leading to dramatic ... example, in Mali, to assure that the active management of the third stage of labor (AMTSL) is offered to every woman having vaginal delivery, a change package was introduced including: as...

Ngày tải lên: 23/03/2014, 06:20