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This article relates to energy engineering and more particularly to the alternative energy technology of getting power from the fundamental forces of nature such as gravity, elasticity and magnetism. In physics, a force is any interaction, which tends to change the motion of an object. In other words, a force can cause an object with mass to change...
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Citations
... The optimisation technique should be tuning the electrical and mechanical coefficients to resolve any drawbacks between its elements as well as problems. [2][13][14] [15]. ...
... He is currently a Ph.D candidate in Department of Electrical and Electronic Engineering, control A gravity power generation mechanism invented by Refs. [1,2], demonstrates a conversion of gravitational energy into electric energy through utilizing the potential energy of moving outward-spreading single directional swing arms to produce positive torques while the negative REVIEW Alkubaisi et al. torque coming from the folding action of the same rotated arms, then, converted it into kinetic energy performing a long time, effective and stable energy output as shun in Figure 1. A survey using the gravitational electric energy keywords on internet scholar search can be represented by the following bar chart in Figure 2. ...
Recently, exploitation of the renewable energy resources has been underlined in high-rise buildings, the contribution of building in energy conservation has witnessed increased advances in the recent years in both residential and commercial sectors. The increasing demand for building services and comfort levels as well as due to growth in population and the time that the people spent inside that commercial buildings and homes, which leads to upward trends for more demand on energy and continue in future. Therefore, the conservation of energy in buildings nowadays is a major objective for energy policy over all levels. From the viewpoint of energy conception efficiency and user's safety, highlighting of Gravitational Energy (GE) is a meaningful, but considered as a big challenging problem. This paper presents an investigation based on the current state of the art regarding the possibilities of energy generations in the buildings with multilevel parking. Therefore, the research divides the potential and kinetic energy of the climbed down vehicles in such buildings into mainly related technologies for utilizing all possible energy which could convert to electricity. Thus, the research Check the feasibility, energy management and control strategies of the Regenerative Braking System (RBS) in railways, Electric Vehicle (EV), and elevators depending on the modern research works. From this paper survey, it can be revealed that the RBS as a GE systems with multi-converter devices are active for the recipient energy systems to improve efficiency, quality and reliability of the power source.
