نتایج جستجو برای: power management
تعداد نتایج: 1308199 فیلتر نتایج به سال:
works have gained importance in a wide spectrum of civil and military applications.1 Advances in MEMS (microelectromechanical systems) technology, combined with low-power, low-cost digital signal processors (DSPs) and radio frequency (RF) circuits have resulted in the feasibility of inexpensive and wireless microsensor networks. A distributed, self-configuring network of adaptive sensors has si...
based on the problems caused by today conventional vehicles, much attention has been put on the fuel cell vehicles researches. however, using a fuel cell system is not adequate alone in transportation applications, because the load power profile includes transient that is not compatible with the fuel cell dynamic. to resolve this problem, hybridization of the fuel cell and energy storage device...
Wireless Monitoring System of Orthopedic Implants(WMSoOI), which is employed to detect the situations of implanted materials in patients as artificial joints, is one kind of Smart Biomedical MicroSystems(BMS). This kind of BMS is supplied by little mechanical energy. Due to the limit of input energy, there are a lot of challenges on power converter system, such as efficiency, volume, etc[1][2]....
Background Many of public hospitals in Japan have had a deficit for a long time. Japanese local governments have been encouraging public hospitals to use group purchasing of drugs to benefit from the economies of scale, and increase their bargaining power for obtaining discounts in drug purchasing, thus improving their financial situation. In this study, we empirically investigate whether or no...
With the rapid development of the world economy, the marketing competitiveness of Chinese enterprises are facing a huge challenge. Based on the status quo, a marketing power management model based on the enterprise resource theory is introduced, the model introduced enterprise resource management theory, and building enterprise marketing evaluation index system according to the characteristics ...
This paper presents the proposal and implementation of a power management architecture for local area network environments. Our main goal is to contribute to more efficient use of electricity, reducing energy waste by facilitating the configuration of power policies and providing a means to automate their execution. The architecture we propose is based on the SNMP (Simple Network Management Pro...
This paper presents a control strategy developed for optimizing the power flow in a Fuel Cell Hybrid Vehicle structure. This method implements an on-line power management based on the optimal fuzzy controller between dual power sources that consist of a battery bank and a Fuel Cell (FC). The power management strategy in the hybrid control structure is crucial for balancing between efficiency an...
This paper discusses the general characteristics of digital hydraulic power management system. The principle is new and studied only in few research publications. Functionality, controllability and losses are discussed, and the conclusion is that the technology makes almost optimal power management possible. The technology also improves the energy storing capacity of the accumulator by factor o...
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