톨게이트 통과 차량 에너지 하베스팅 유압장치 연구 = Research on Energy-Harvesting Hydraulic System for Vehicles at Tollgate

다국어 초록 (Multilingual Abstract)

Energy harvesting is an eco-friendly renewable energy technology that captures and stores low-density energy wasted in daily life for later reuse. The design and application of energy conversion and storage mechanisms depend on the type and characteristics of the energy source. Although numerous studies and patents have focused on energy recovery devices that harvest the kinetic energy of vehicles at deceleration zones—such as speed bumps, tollgates, and pedestrian crosswalks—mechanical-hydraulic energy conversion mechanisms have not been extensively explored as viable vehicle energy harvesting solutions. This study presents a performance analysis of an energy harvesting device specifically designed to capture the kinetic energy of vehicles approaching a highway tollgate. The device employs a mechanical-hydraulic energy conversion system that first transforms the kinetic energy of fast-moving vehicles into gravitational potential energy and then into hydraulic energy for storage and deceleration. The device's performance was evaluated through dynamic modeling and simulation, taking into account various design variables and operating conditions.