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With an open loop system, the only way to modify the behaviour of the system is to modify the values of physical parameters in the system. For instance we can modify the damping coefficient of a damper. This can be done in vehicles for instance. By modifying the dampers, the coefficient C can be changed to modify the behaviour of the suspension in order to yield a desired behaviour. A high damping ratio will be used to yield a better road-holding quality at the expense of the comfort of the driver and passengers (e.g. old Corvette models before semi-active suspension systems were introduced). A low damping ratio will yield a better comfort at the expense of the road-holding quality (e.g. most Cadillacs). This is the classic compromise between vehicle stability and ride comfort for passive suspensions.
Magnesium And Its Alloys Magnesium is a light metal along with density of 1.74 g/cm 3 . Magnesium is more costly than aluminium as density 2.74 g/cm 3 along with which it comp
Illustrate various kinds of control systems. Illustrate several block diagram reduction rules with examples. Determine C/R by using block diagram reduction method.
(a) Following consideration were recorder during a test on a single cylinder oil engine : Bore = 300 mm; speed =300 r.p.r.; stroke = 450 mm; net break load = 1.5KN;
Q. Explain about Active Fire Protection? Active Fire Protection - A fire fighting system that is normally dormant and is activated automatically upon detection of a fire hazard
Q. Explain working of Nozzles? Nozzles supporting agitators, pumps, or other mechanical equipment, shall be suitably reinforced to withstand the mechanical loadings, specified
number of degrees of freedom in gear
Heat Treatment of Tool Steels This treatment in case of tool steels in a significant step before actually employing the tool. Most properties are attained after heat treatment
What is the maximum load the spring may carry: Any close coiled helical spring has mean diameter of 80 mm, has spring constant of 100 kN/m. It contains 10 coils. The maximum s
Geometric information of B-rep Geometric information are usually equations of the edges and faces.
Using Bode plot calculate (a) Phase margin (b) Gain margin (c) Stability of closed loop system. The open transfer function of the system is
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