نتایج جستجو برای: mechanical variable control
تعداد نتایج: 1760576 فیلتر نتایج به سال:
This paper addresses the problem of the fractional sliding mode control (FSMC) for a MEMS optical switch. The proposed scheme utilizes a fractional sliding surface to describe dynamic behavior of the system in the sliding mode stage. After a comparison with the classical integer-order counterpart, it is seen that the control system with the proposed sliding surface displays better transient per...
This paper addresses the problem of the fractional sliding mode control (FSMC) for a MEMS optical switch. The proposed scheme utilizes a fractional sliding surface to describe dynamic behavior of the system in the sliding mode stage. After a comparison with the classical integer-order counterpart, it is seen that the control system with the proposed sliding surface displays better transient per...
This paper introduces a simple variable gain amplifier (VGA) structure that shows an inherently dB-linear gain control property. Requiring no additional components for dB-linear control, the structure is compact and power efficient. The designed two-stage VGA shows a gain control range of 60dB with the gain error in the range of ±0.4 dB. The power consumption including the output buffer is 20.4...
BACKGROUND In pressure support ventilation (PSV), a non-variable level of pressure support is delivered by the ventilator when triggered by the patient. In contrast, variable PSV delivers a level of pressure support that varies in a random fashion, introducing more physiological variability to the respiratory pattern. Experimental studies show that variable PSV improves gas exchange, reduces lu...
The performance of optimising compilers crucially depends on the availability of controlflow information at compile time. For any first-order imperative program, such information is available via a flowchart constructed from the program text. Consequently, traditional dataflow analyses can be used to perform a series of compile-time program optimisations (Aho et al. 1986). For higher-order prog...
Taxonomies of concepts are important across many application domains, for instance online shopping portals use catalogs to help users navigate and search for products. Task-dependent taxonomies, e.g., adapting the taxonomy to a specific cohort of users, can greatly improve the effectiveness of navigation and search. However, taxonomies are usually created by domain experts and hence designing t...
The article discusses the choice of power and type drive motor for system controlling vibration amplitude rectifier rocker arms continuously variable mechanical transmission, intended use on a vehicle. Formulas calculating required torque rotational speed with planetary differential control gear are given. It is shown that an electrohydraulic provides operation system. results testing presented.
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