Train Speed Trajectory Optimization with On-board Energy Storage Device
A model of a train with an on-board energy storage device as well as a network model for estimating the energy recovered by the train is presented. Different scenarios are
Modeling and Estimation of Train Traction Characteristics Under
When the electric multiple units (EMUs) encounter a power supply failure, it is urgent to formulate a reasonable emergency traction strategy, and rely on the on-board energy storage device to
Train Speed Trajectory Optimization With On-Board Energy Storage Device
It is indicated that the proposed method is an effective and robust way to study how on-board ESD influences optimal train operation as well as to achieve optimal train speed
Optimal control and energy storage for DC electric
An optimisation framework based on genetic algorithms is developed to optimise a DC electric rail network in terms of a comprehensive set of decision variables including storage size, charge/discharge power limits,
Train Speed Trajectory Optimization With On-Board
Energy-efficient train operation involves four types of control: maximal traction, cruising, coasting, and maximal braking. With the rapid development of energy storage devices (ESDs), this paper
Optimal Energy Management Strategy for Fuel-Cell Hybrid
This paper aims to provide a comparative study on the hydrogen economy performance of fuel-cell hybrid trains (FHT) with energy storage devices (ESDs) to further investigate the suitability
Impact of energy storage device selection on the overall drive train
One of the key components of a hybrid electric vehicle (HEV) drive train is its secondary energy storage device. The automotive industry is still in the process of debating on
Train Speed Trajectory Optimization With On-Board Energy
Energy-efficient train operation involves four types of control: maximal traction, cruising, coasting, and maximal braking. With the rapid development of energy storage devices (ESDs), this
Sensing as the key to the safety and sustainability of
The global energy crisis and climate change, have focused attention on renewable energy. New types of energy storage device, e.g., batteries and supercapacitors, have developed rapidly because of their
Capacity Optimization for Energy Storage Device of Fuel Cell Train
A co-optimization model based on mixed integer linear programming model considering the dynamic power limits of ESD is established to minimize hydrogen consumption, and the
Design and energy characteristic analysis of a flexible isobaric
Considering the problems of traditional compressed-air storage devices, such as low energy efficiency, low energy density, and portability challenges, a flexible, isobaric strain
Joint optimization combining the capacity of subway on‐board energy
On-board energy storage devices (OESD) and energy-efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of regenerative braking
Real-time train regulation in the metro system with energy storage
Focusing on the energy-conservation train operation issues, this paper proposes an effective real-time train regulation scheme for metro systems with energy storage devices.
Train Speed Trajectory Optimization With On-Board Energy Storage Device
As a result, the energy efficiency of rail transportation is becoming a popular research topic. Energy-efficient train operation involves four types of control: maximal traction, cruising,
A Two-Step Method for Energy-Efficient Train Operation,
This article proposes a novel two-step approach to concurrently optimize the train operation, timetable, and energy management strategy of the onboard energy storage device (OESD) to
6 FAQs about [Train energy storage device]
Can onboard energy storage systems be integrated in trains?
As a result, a high tendency for integrating onboard energy storage systems in trains is being observed worldwide. This article provides a detailed review of onboard railway systems with energy storage devices. In-service trains as well as relevant prototypes are presented, and their characteristics are analyzed.
Should rail vehicles have onboard energy storage systems?
However, the last decade saw an increasing interest in rail vehicles with onboard energy storage systems (OESSs) for improved energy efficiency and potential catenary-free operation. These vehicles can minimize costs by reducing maintenance and installation requirements of the electrified infrastructure.
Can energy storage be used in electrified railway?
Many researchers in the world have put a lot of attention on the application of energy storage in railway and achieved fruitful results. According to the latest research progress of energy storage connected to electrified railway, this paper will start with the key issues of energy storage medium selection.
Can on-board storage systems be incorporated into train driving simulation models?
The previous on-board storage system model and energy consumption model (described in Sect. 6.2.1) can be incorporated into typical train driving simulation models for efficient-driving purposes. However, including track-side storage systems requires detailed electrical network models and multi-train simulation, as presented in Chap. 7.
How to select energy storage media suitable for electrified railway power supply system?
In a word, the principles for selecting energy storage media suitable for electrified railway power supply system are as follows: (1) high energy density and high-power density; (2) High number of cycles and long service life; (3) High safety; (4) Fast response and no memory effect; (5) Light weight and small size.
Can hybrid energy storage devices reduce electrical energy consumption?
Abstract: The optimization of the train speed trajectory and the traction power supply system (TPSS) with hybrid energy storage devices (HESDs) has significant potential to reduce electrical energy consumption (EEC).