Garfield
发表于 2025-3-21 18:42:13
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Accolade
发表于 2025-3-21 22:09:59
Flow Through Valves, may be of the spool type as sketched in figure 7.1 or of the nozzle-flapper types. Other sorts of valves are used and the theory in this chapter is extended in appendix B to cover ‘three-way’ valves whilst a little information about poppet valves is given in appendix C.
不溶解
发表于 2025-3-22 03:41:39
Dynamic Analysis,nly because it has a far lower inertia). The response of a high-performance hydraulic system is usually measurable in terms of milliseconds with the permissible degree of oscillation closely restricted.
鬼魂
发表于 2025-3-22 05:20:12
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medium
发表于 2025-3-22 10:20:38
Linear Control Theory, 4). Then it deals with some generalisations and techniques involving block diagrams and vectorial representations of harmonic response. These lead up to a summary of the criteria which can be used to assess the stability of servo systems in general and of hydraulic servomechanisms in particular.
令人作呕
发表于 2025-3-22 14:59:24
Valve-controlled Systems,or three-way valves, see appendix B). The aim of these linear or small perturbation analyses is to derive mathematical models which give reasonably accurate representations of practical system behaviour without being unduly complicated.
vanquish
发表于 2025-3-22 17:14:13
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有帮助
发表于 2025-3-22 22:09:42
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Frenetic
发表于 2025-3-23 01:30:55
Pumps,or which may be used in hydraulic systems and to stress the similarities between the different types rather than their differences. Some analytical work is included dealing with flow pulsations mainly to indicate a feature which could be a source of vibration or oscillation in a completed system.
纤细
发表于 2025-3-23 09:34:53
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