Physical System Model of a Hydraulic Energy Storage Device for Hybrid Powertrain Applications …
Physical System Model of a Hydraulic Energy Storage Device for Hybrid Powertrain Applications. 2005-01-0810. The chemical storage battery is currently the primary choice of automotive powertrain designers for hybrid-electric vehicles. This design suffers from complexity, manufacturing, cost, durability, poor performance predictability …
An Adaptive Robust Impedance Control Considering Energy-Saving of Hydraulic …
In this article, taking the hydraulic system of mining hydraulic excavator boom and stick as the plant, an adaptive robust impedance controller based on an extended state observer and backstepping method is designed. The energy-saving operation and position tracking performance are considered in system modeling and control law design. The system …
Physical System Model of a Hydraulic Energy Storage Device for …
Physical System Model of a Hydraulic Energy Storage Device for Hybrid Powertrain Applications. The chemical storage battery is currently the primary choice of automotive powertrain designers for hybrid electric vehicles. This design suffers from complexity, manufacturing, cost, durability, poor performance predictability and other problems.
Strategies to improve the energy efficiency of hydraulic power unit with flywheel energy storage …
Furthermore, flywheel energy storage system array and hybrid energy storage systems are explored, encompassing control strategies, optimal configuration, and electric trading market in practice. These researches guide the developments of FESS applications in power systems and provide valuable insights for practical measurements …
Energy-saving technologies for construction machinery: a review …
With the rapid development of the global economy, more and more attention has been paid to the energy conservation of construction machinery. The …
Study on Hybrid Vehicle Using Constant Pressure Hydraulic System with Flywheel for Energy Storage …
DOI: 10.4271/2004-01-3064 Corpus ID: 109046329 Study on Hybrid Vehicle Using Constant Pressure Hydraulic System with Flywheel for Energy Storage @inproceedings{Shimoyama2004StudyOH, title={Study on Hybrid Vehicle Using Constant Pressure Hydraulic System with Flywheel for Energy Storage}, author={Hiroki …
An energy saving rule-based strategy for electric-hydraulic hybrid …
Sankarkumar RS, Natarajan R. Energy management techniques and topologies suitable for hybrid energy storage system powered electric vehicles: an overview. Int Trans Electr Energy Syst 2021; 31(4): 1–30.
(PDF) Pumped hydroelectric energy storage: A comparison of turbomachinery configurations …
Pumped hydroelectric energy storage: A comparison of turbomachinery configurations. July 2016. July 2016. DOI: 10.1201/b21902-48. In book: Sustainable Hydraulics in the Era of Global Change (pp ...
Energy-saving technologies for construction machinery: a review of electro-hydraulic …
The basic principle of electro-hydraulic LS is the principle of pressure feedback to achieve system flow supply and demand balance through pressure margin closed-loop control, as shown in Fig. 3c. Adapting the supply pressure was seen as a convincing method for reducing the pressure loss of the valves.
(PDF) Review of Energy-saving Technologies in …
Energy-saving is important in the field of mobile machines since current systems are far from satisfactory [4,5]. Except for the well-known energy-saving methods mentioned in the review paper [5 ...
Optimization of electro-hydraulic energy-savings in mobile …
An optimal control region was shown found when αREC ranged from 0.14 to 0.59 and αASS ranged from 0.03 to 0.26. In this region, the fuel-saving exceeded 14.9%, and a maximum fuel-saving rate of 15.6% was obtained. The gradient of fuel consumption along the αASS was smaller than that along αREC.
Processes | Free Full-Text | Review of the Progress of Energy …
After simulation verification, the simulation results displayed that the valve-controlled hydraulic energy-saving system using hydraulic transformers as the …
Efficient and energy-saving device for hydraulic station
A high-efficiency, energy-saving, hydraulic station technology, applied in mechanical equipment and other directions, can solve the problems of complex hydraulic station …
Efficient and energy-saving device for hydraulic station
A high-efficiency, energy-saving, hydraulic station technology, applied in mechanical equipment and other directions, can solve the problems of complex hydraulic station structure, short equipment service life and high use cost, and achieve the effect of eliminating oil leakage, saving electric energy and low use cost.
hydraulic station servo energy saving device products
China hydraulic station servo energy saving device products for sale - looking for hydraulic station servo energy saving device products from 108598 hydraulic station servo energy saving device suppliers and hydraulic …
Processes | Free Full-Text | Review of the Progress of Energy Saving of Hydraulic …
4. Current Status of Energy-Saving Research on Hydraulic Control Systems. The above energy loss analysis shows that a portion of the energy loss is caused by the system''s own structure, such as motor transmission efficiency loss, hydraulic pump efficiency loss, and hydraulic pipeline loss.
Design and energy saving analysis of a novel isobaric compressed air storage device in pneumatic systems …
Fig. 14 shows the energy-saving rate of the system with an isobaric compressed air storage device when the rated working pressures of the system are 0.4 MPa, 0.5 MPa, and 0.6 MPa, respectively. The movement frequency and displacement of load are fixed as 0.1 Hz and 0.3 m, respectively.
An energy-saving method to reduce the installed power of hydraulic …
A lot of energyrecovery circuits have been applied in hydraulic press machines. Yan et al. [18] proposed a flywheel energy-saving system (FESS) that can store the redundant energy at no-load ...
Energy-saving strategies on power hydraulic system: An overview …
Saving energy control of cylinder drive using hydraulic transformer combined with an assisted hydraulic circuit. In: Proceedings of the 2009 ICCAS-SICE, Fukuoka, Japan, 18–21 August 2009, pp.2115–2120.
Energy management strategy development of a forklift with electric lifting device …
The results show that the fuel consumption of the forklift with electric lifting device can be reduced by about 46.72% compared with the hydraulic forklift and its transmission efficiency is improved 82.3% when the loads is 3t. The energy saving effect of electric system is very significant. Electric lifting device. Transmission efficiency.
Energy-saving mechanism research on beam-pumping unit driven by hydraulics
The field-test result of the secondary-balance device shows that the root-mean-square torque is decreased by 22.7%, and the energy-saving rate of the motor reaches 6.54%. View Show abstract
A review of energy storage technologies in hydraulic wind …
This article mainly reviews the energy storage technology used in hydraulic wind power and summarizes the energy transmission and reuse principles of …
CN102418719A
The invention discloses an energy-saving hydraulic station, which comprises a low-pressure oil pump and a high-pressure oil pump, wherein the low …
Energy-saving technologies for construction machinery: a review of electro-hydraulic …
This paper proposes a novel electro-hydraulic energy-saving system to integrate recovery and regeneration devices. The working conditions of excavators and system configuration of the proposed ...
Energy-saving technologies for construction machinery: a review of electro-hydraulic …
With the rapid development of the global economy, more and more attention has been paid to the energy conservation of construction machinery. The hydraulic system is the key component of construction machinery, and improving its energy utilization rate has become an important means to achieve energy conservation. In …
Mathematical modelling of a hydraulic accumulator for hydraulic …
Using a hydraulic accumulator as an energy storage device is a well established concept also in many other technical fields of application; see, for example, [5,16–21]. The benefits of hydraulic accumulators over batteries are their lower price, the ability of combin-
