CN114992301A
The invention discloses an energy storage transfer type gear transmission self-adaptive continuously variable transmission, wherein power is input from one rotating end of a differential mechanism, and the differential mechanism is provided with three rotating ends
Development of continuously variable transmission and multi-speed dual-clutch transmission
Bottiglione F, De Pinto S, Mantriota G, et al. Energy consumption of a battery electric vehicle with infinitely variable transmission. Energies 2014; 7: 8317–8337. Crossref
Electrical Variable Transmission — Department of
E.g. in energy harvesting applications where the power source has a strongly variable speed, the EVT can be used as special generator to provide a constant power to the grid. The EVT can also be used as a more efficient replacement for a hydraulic torque converter in off-road applications.
Free Full-Text | Application of Electro-Hydraulic Actuator System to Control Continuously Variable Transmission in Wind Energy
National Renewable Energy Laboratory''s previous studies have shown the advantages of a continuously variable transmission (CVT) in the wind turbine, as reliable and efficient [7,8], reducing the cost of energy production up to 11.2% [].
(PDF) Switch-Mode Continuously Variable Transmission: Modeling and Optimization
Flywheel energy storage in a hybrid vehicle combines high energy density and high power density, yet requires a highly efficient continuously variable transmission with a wide operating range.
Continuously Variable Transmission
Mechanical energy storage involves a physical connection between a flywheel and the driven wheels, often through a continuously variable transmission. Another alternative is embodied in the GKN Gyrodrive (originally developed by Williams Hybrid Power) flywheel, which is an electromechanical device for use in hybrid electric vehicles.
Continuous Variable Speed Wind Turbine: Transmission Concept and Robust Control
For example fixed transmission or capturing maximum wind energy in the low-wind-speed-zone with the Continuously Variable Transmission (CVT) are often discussed [20, 21,22].
Security Constrained Multi-Stage Transmission Expansion Planning Considering a Continuously Variable
considering energy storage systems (ESS) was presented. The total investment cost for the transmission lines can be reduced by appropriately placing the ESS in the system. This paper presents a MILP model for the multi-stage TEP considering CVSRs, while
Analysis of Dual Mode Continuously Variable Transmission for Flywheel Energy Storage
In other words a continuously variable transmission (CVT) is needed. The common mechanical variators used in automotive applications, namely the rolling traction drives and the belt drives, have the disadvantage that their speed ratio range defined as the maximum to minimum speed ratio is generally not sufficient for flywheel
The application of hybrid energy storage system with electrified
As one of the promising solutions, a supercapacitor-based hybrid energy storage system (HESS) is fast becoming the automotive industry trend, and there are widespread
[PDF] SWITCH-MODE CONTINUOUSLY VARIABLE TRANSMISSION WITH FLYWHEEL ENERGY STORAGE
A hybrid drive train significantly improves energy efficiency of ground vehicles. While numerous auxiliary hybrid power sources have been researched, few are capable of the energy and power density of a flywheel coupled with a continuously variable mechanical transmission. The primary challenge of a flywheel hybrid system is a transmission
Development of continuously variable transmission and multi-speed dual-clutch transmission
For example, an infinitely variable transmission was proposed by Bottiglione et al. 10 to reduce energy consumption for PEV. According to our previous research, a comparative study of energy consumption and costs of alternative PEV transmissions, both two-speed DCT and simplified CVT can improve the overall
Design of an Electrical Continuously Variable Transmission Based Wind Energy
Abstract—The electrical continuously variable transmis-sion system is a very promising concept for variable-speed constant-frequency wind power generation due to its abil-ity of seamless speed adjustment. In this paper, a novel wind energy conversion system based on electrical contin-uously variable transmission is proposed.
Development of continuously variable transmission and multi-speed dual-clutch transmission
ing overall energy-utilizing efficiency by omitting the interna l combustion engine . However, because of lower energy density in battery energy storage, the driving range per charge is limited by
Adaptive neuro-fuzzy maximal power extraction of wind turbine with continuously variable transmission
In this paper a continuously variable transmission (CVT) has been installed between a wind turbine and a generator to make the turbine operate along the maximum efficiency. The aim of the investigation was to change the transmission ratio between the wind turbine and the generator at different wind speeds so that the turbine
The application of hybrid energy storage system with electrified continuously variable transmission
As part of the response to the above barriers, an electrified continuously variable transmission (CVT) is proposed along with HESS for BEV in this study. The improvements of passenger BEV in terms of vehicle dynamic performance, energy saving, and battery life extending through applying electrified CVT and HESS will be investigated.
Energies | Free Full-Text | Energy Consumption of a Battery Electric Vehicle with Infinitely Variable Transmission
In Proceedings of the International Continuously Variable and Hybrid Transmission Congress, Davis, CA, USA, 23–25 September 2004; pp. 46–54. Toyoda, T. Fuel economy improvement items with toroidal continuously variable transmission.
[PDF] Analysis of continuously variable transmission for flywheel
In order to connect the flywheel with the vehicle drive line, a suitable means is needed which would allow the flywheel to vary its speed continuously, in other words
(PDF) Analysis of continuously variable transmission
Energy storage devices are an essential part of hybrid and electric vehicles. The most commonly used ones are batteries, ultra in other words a continuously variable transmission (CVT) is
The Electric Variable Transmission
a look at a system for the case that it is used as a continuously variable transmission (no electric energy storage). The basic idea for the concentrically arranged machines is already very old (1935, using dc machines [14]). More recent implementa-tions (like
Advances in Mechanical Engineering 2018, Vol. 10(2) 1–15 Development of continuously variable transmission
Development of continuously variable transmission and multi-speed dual-clutch transmission for pure electric vehicle Jiageng Ruan1, However, because of lower energy density in battery energy storage, the driving range per charge is
Free Full-Text | Method and Test Bench for Hydro-Mechanical Continuously Variable Transmission
According to the structural characteristics of Hydro-mechanical continuously variable transmission (HMCVT), a multi-functional test bench was developed, and the basic structure, working principle, and test functions of the test bench were introduced. The test bench has the following characteristics: To analyze the impact
The Application of Hybrid Energy Storage System with Electrified
As one of the promising solutions, a supercapacitor-based hybrid energy storage system (HESS) is fast becoming the automotive industry trend, and there are widespread
Controlled passive actuation: Concepts for energy efficient actuation using mechanical storage elements and continuously variable transmissions
Secondly, we made steps towards the reduction of energy losses by including a mechanical storage element (a spring or flywheel) and a Continuously Variabel Transmission. We have named this actuation concept Controlled Passive Actuation and experimented with two setups to prove the concept.
Continuously variable transmission
A continuously variable transmission (CVT) is an automated transmission that can change through a continuous range of gear ratios. This contrasts with other transmissions that provide a limited number of gear ratios in fixed steps. The flexibility of a CVT with suitable control may allow the engine to operate at a constant angular velocity
Improving transmission efficiency and reducing energy consumption with automotive continuously variable transmission
A new dynamic equation of Continuously Variable Transmission is proposed. • Take engine torque and clamping force as control objectives. • The method can improve transmission efficiency by 8.92% and fuel economy by 4.9%.
[PDF] Analysis of continuously variable transmission for flywheel energy storage
Energy storage devices are an essential part of hybrid and electric vehicles. The most commonly used ones are batteries, ultra capacitors and high speed flywheels. Among these, the flywheel is the only device that keeps the energy stored in the same form as the moving vehicle, i.e. mechanical energy. In order to connect the flywheel with the
The application of hybrid energy storage system with electrified
As one of the promising solutions, a supercapacitor-based hybrid energy storage system (HESS) is fast becoming the automotive industry trend, and there are widespread attempts of integrating multi-speed transmission in BEVs to improve electric
An Overview of Current Automatic, Manual and Continuously Variable Transmission
Semantic Scholar extracted view of "An Overview of Current Automatic, Manual and Continuously Variable Transmission Efficiencies and Their Projected Future Improvements" by M. Kluger et al. DOI: 10.4271/1999-01
Switch-Mode Continuously Variable Transmission With Flywheel Energy Storage
The switch-mode continuously variable transmission is the mechanical analog of a DC–DC boost converter circuit and allows coupling a high speed flywheel to a mechanical load.
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The application of hybrid energy storage system with electrified continuously variable transmission in battery electric vehicle[J]. Energy, 2019,183:315-330. (Rank: Q1, IF: 5.537)
Switch-mode Continuously Variable Transmission With Flywheel Energy Storage
A novel solution to this challenge is a switch-mode continuously variable transmission that utilizes a rapidly switching clutch to transmit power. This system, the mechanical analog of a DC-DC boost converter circuit, utilizes a flywheel, a high frequency clutch, an anti-reversing ratchet, and a spring to vary the output torque.
[PDF] SWITCH-MODE CONTINUOUSLY VARIABLE
SWITCH-MODE CONTINUOUSLY VARIABLE TRANSMISSION WITH FLYWHEEL ENERGY STORAGE. T. Forbes, J. Ven. Published 2008. Engineering, Physics. A
Development of continuously variable transmission and multi-speed dual-clutch transmission
in battery energy storage, the driving range per charge is limited by this electrochemical power source, leading to a so called range phobia and presenting a major barrier for large-sca le commercialization.
The Application of Hybrid Energy Storage System with Electrified Continuously Variable Transmission in Battery Electric Vehicle,Energy
As part of the response to the above barriers, an electrified continuously variable transmission (CVT) is proposed along with HESS for BEV in this study. The improvements of passenger BEV in terms of vehicle dynamic performance, energy saving, and battery life extending through applying electrified CVT and HESS will be investigated.
(PDF) Analysis of continuously variable transmission
In order to connect the flywheel with the vehicle drive line, a suitable means is needed which would allow the flywheel to vary its speed continuously, in other words a continuously variable
Analysis of continuously variable transmission for flywheel energy
In order to connect the flywheel with the vehicle drive line, a suitable means is needed which would allow the flywheel to vary its speed continuously, in other words
Analysis of continuously variable transmission for flywheel energy storage
Among these, the flywheel is the only device that keeps the energy stored in its original form i.e. mechanical energy. In order to connect the flywheel with the vehicle drive line, a suitable means is needed which would allow the flywheel to vary its speed continuously, in other words a continuously variable transmission (CVT) is needed.
