198 resources related to Electric Scooter
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Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies
The ACC is the annual conference of the American Automatic Control Council (AACC, the U.S. national member organization of the International Federation for Automatic Control (IFAC)). The ACC is internationally recognized as a premier scientific and engineering conference dedicated to the advancement of control theory and practice. The ACC brings together an international community of researchers and practitioners to discuss the latest findings in automatic control. The 2020 ACC technical program will
ISIE focuses on advancements in knowledge, new methods, and technologies relevant to industrial electronics, along with their applications and future developments.
2020 IEEE Energy Conversion Congress and Exposition (ECCE)
IEEE-ECCE 2020 brings together practicing engineers, researchers, entrepreneurs and other professionals for interactive and multi-disciplinary discussions on the latest advances in energy conversion technologies. The Conference provides a unique platform for promoting your organization.
2020 IEEE International Conference on Industrial Technology (ICIT)
ICIT focuses on industrial and manufacturing applications of electronics, controls, communications, instrumentation, and computational intelligence.
The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.
Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.
Research, development, design, application, construction, installation, and operation of electric power generating facilities (along with their conventional, nuclear, or renewable sources) for the safe, reliable, and economic generation of electrical energy for general industrial, commercial, public, and domestic consumption, and electromechanical energy conversion for the use of electrical energy
Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, high-power controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.
IEEE Transactions on Industrial Informatics focuses on knowledge-based factory automation as a means to enhance industrial fabrication and manufacturing processes. This embraces a collection of techniques that use information analysis, manipulation, and distribution to achieve higher efficiency, effectiveness, reliability, and/or security within the industrial environment. The scope of the Transaction includes reporting, defining, providing a forum for discourse, and informing ...
4th IET Clean Energy and Technology Conference (CEAT 2016), 2016
Eclimo electric scooter is a two in-wheel battery powered electric vehicle used for transportation. Size of its electric motor is 11inches (or 279.4mm) in diameter. It has torque of 110Nm and power output of 6kW. However, taking the size of surface mounted permanent magnet synchronous motor (SPMSM), this torque and power are less suitable to sustain long distance travel for ...
2013 World Electric Vehicle Symposium and Exhibition (EVS27), 2013
There are about 33,000 electric scooters (ES) have been sold into the market, including 26,000 ESs in the domestic and 7,000 ESs in the overseas, up to May 2013 in Taiwan. Although, the selling amount of ES did not meet the target of government expectation, plentiful measures and promotion activities have made Taiwan a most vital electric scooter country in ...
Proceedings of the 32nd Chinese Control Conference, 2013
To improve efficiency and distance of electric scooter, synergic electric power supply was studied. Full-digital DC-DC converter based on ADSP2188+FPGA was used to transfer energy between Synergic electric power supply and motor. Experimental results indicate that synergic electric power supply with full- digital DC-DC converter can be used in hybrid electric scooter power storage system, Which can improve energy using ...
International Symposium on Power Electronics Power Electronics, Electrical Drives, Automation and Motion, 2012
This research work deals with an electric scooter which propulsion is employed with a permanent magnet synchronous machine (in-wheel topology). A special machine type was design, analyzed and constructed and its control is presented here. The control is based on field oriented control technique, while the highest possible (unity) power factor is search, within the control technique. The operation of ...
2008 IEEE Vehicle Power and Propulsion Conference, 2008
Servo system has been applied in the executive mechanism of coaxial two- wheeled electric scooter pose control. The pose control requires high accuracy and strong robustness of the servo system. However, the characteristics of servo system based on linear PID regulator are not very excellent. To improve the performances, a novel servo system of permanent magnet synchronous motor (PMSM), based ...
The R&D History of On-Line Electric Vehicles (OLEV)
APEC 2015: KeyTalks - More Electric Aircraft Challenges
Fuel Cell Powertrain for Hybrid Electric Vehicles for Postal Delivery
Magneto-electric Approximate Computation for Bayesian Inference - IEEE Rebooting Computing 2017
Electric Ship Technologies Symposium (Member Access)
State-of-the-art Electrical Machines for Hybrid Electric Vehicles
A Decade of Electric/Hybrid Vehicles Design and Development at UTBM
Transportation Electrification: Zero Emission Electric Veichles
Part 1: Transforming the Electric Utility Industry with a Smart Grid: IEEE TAB Speakers Bureau
IEEE Milestone S&C Electric company
Defense Department's Crusher Field Demonstration
Owning a Tesla, Going Electric - IEEE Southern Minnesota presentation
Zero Emission Powertrains and Fuel Cell Engines: APEC 2019
Regenerative Energy Storage Systems for Hybrid Electric and Battery Electric Vehicles
Geothermal Energy in the Military
Smart Grid Vehicular Technology Vision: Possibility and Feasibility of Smart Community from Case Studies - Hiroaki Nishi
Coal Gasification at Polk Power Station
ASC-2014 Plenary series - 2 of 13 - Monday 2014/8/11
DIY Plug-In Cars at Maker Faire
Eclimo electric scooter is a two in-wheel battery powered electric vehicle used for transportation. Size of its electric motor is 11inches (or 279.4mm) in diameter. It has torque of 110Nm and power output of 6kW. However, taking the size of surface mounted permanent magnet synchronous motor (SPMSM), this torque and power are less suitable to sustain long distance travel for it risks quick demagnetization and high copper loss due to overlapping winding. To solve this challenge and increase motor's performance, 12S-14P flux switching permanent motor with concentrated winding employing segmental rotor (PMFSM) in outer rotor configuration has been presented. This motor has all active parts located on the stationary stator leaving rotor robust for speed application. The initial design of proposed motor did not achieve the target torque of 439Nm and power of 45kW due to low flux linkage. This paper presents the optimized design of the proposed motor using deterministic approach. Finally, motor's performance in terms of torque achieves four times higher and output power of seven times higher than performance of SPMSM installed in eclimo electric scooter under maximum armature current density.
There are about 33,000 electric scooters (ES) have been sold into the market, including 26,000 ESs in the domestic and 7,000 ESs in the overseas, up to May 2013 in Taiwan. Although, the selling amount of ES did not meet the target of government expectation, plentiful measures and promotion activities have made Taiwan a most vital electric scooter country in the world. In addition, Taiwan Government had proposed a common charging interface and lithium ion battery swapping business models in 2012. It encouraged the ES makers to set up one standard common specification of charging interface as well as the lithium ion battery. Hopefully, the lithium ion battery swapping business models could improve the charging infrastructure and increase the value of cost/performance ratio of lithium ion battery. Moreover, for the common charging interface, a specification of smart charger has been proposed by three major ES makers. On the other hand, there have two kinds of lithium ion battery swapping business model been established. One swapping business model is operating manually by an alliance consisting of the ES maker, convenience store, and car rental company in Penghu County, Taiwan. The other is a 10Ah capacity of lithium ion battery swapping business, which is operating by vending machine. Additionally, a 20Ah capacity specification of swapping battery module is also under discussing for further improving the performance of electric scooter.
To improve efficiency and distance of electric scooter, synergic electric power supply was studied. Full-digital DC-DC converter based on ADSP2188+FPGA was used to transfer energy between Synergic electric power supply and motor. Experimental results indicate that synergic electric power supply with full- digital DC-DC converter can be used in hybrid electric scooter power storage system, Which can improve energy using efficiency of HES greatly.
This research work deals with an electric scooter which propulsion is employed with a permanent magnet synchronous machine (in-wheel topology). A special machine type was design, analyzed and constructed and its control is presented here. The control is based on field oriented control technique, while the highest possible (unity) power factor is search, within the control technique. The operation of the motorization of the electric scooter is verified in experiments.
Servo system has been applied in the executive mechanism of coaxial two- wheeled electric scooter pose control. The pose control requires high accuracy and strong robustness of the servo system. However, the characteristics of servo system based on linear PID regulator are not very excellent. To improve the performances, a novel servo system of permanent magnet synchronous motor (PMSM), based on active-disturbance rejection controller (ADRC) theory, is presented in this paper. The proposed position servo system is suitable to coaxial two-wheeled electric scooter pose control, because of high accuracy, speedy response, no overshoot and strong robustness proved by simulation results.
The focus of this paper is to apply the fault detection and isolation (FDI) method based on the bond graph (BG) to the electric scooter system. The FDI approach utilizes the concept of analytical redundancy relations (ARRs), which are derived from a BG model with a specific causal relationship. This method is suitable for a variety of types of faults. Simulation in MATLAB/Simulink is conducted to verify the effectiveness of the proposed method for multiple types of faults that may occur in the electric scooter.
This paper presents a Finite Element Method (FEM) based design and analysis of radial flux Permanent Magnet Brushless DC (PMBLDC) motor. The objective of this paper is to develop high power density and high efficiency PMBLDC motor for electric scooter application. The motor considered for FEM design is a 3-phase, 8 pole rectangular wave, which replaces the conventional Internal Combustion Engines (ICEs). The distinct features of this motor design are: (1) The magnetic yoke reduction, which will decrease the weight and size, (2) Coil span equal to one slot pitch which will result in saving of copper and (3) elimination of cogging torque because of fractional number of slots per pole. The outer rotor configuration of PMBLDC motor has been considered in this design. The spokes of the wheel is directly fitted into the outer rotor of the motor. The simulation has been carried out by Pre-flux software. The electromagnetic field analysis is used for the design and optimization of the motor which is based on FEM.
A traction control system (TCS) using fuzzy sliding mode control (FSMC) is proposed for the electric scooter with direct driven wheel motor in this paper. First, road friction coefficient is estimated using normal force observer and traction force observer. A road condition observer is then employed to estimate the gradient of road friction coefficient with respect to the tire slip ratio. An innovative rule is proposed to determine the reference slip ratio based on the estimated gradient. According to the error and error change of the slip ratio, the FSMC adjusts the driver's torque demand to obtain the reference torque command for the wheel motor. Preliminary simulation results show that the proposed TCS can detect the road friction change and control the motor torque to maintain the slip ratio in the stable region, thus enhance the traction performance for low friction surface.
This paper presents a clean power system combining fuel cell and ultracapacitor. The fuel cell, which acts as the primary power source, is used for the continuous load requirement. The ultracapacitor, which acts as the secondary power source, is used for the peak load requirement. A controller also is designed to determine and assign the power between the fuel cell, ultracapacitor and motor..and this clean power system is applied to an electric scooter. The result of experimentation shows that the system is very effective and steady.
This study mainly develops a hardware-in-the-loop (HIL) platform for a hybrid electric scooter (HES). The fuzzy control strategy is utilized for the energy management among three power sources. A low-order scooter dynamics is constructed including subsystems such as the spark-ignition engine, high-power traction motor, integrated starter-generator (ISG), high-power battery module, transmission, longitudinal vehicle dynamics, etc. For energy management of three power sources, the 73-rule fuzzy control is designed and compared to the traditional rule-based control. Three inputs are the battery state-of-charge (SOC), required torque and engine speed. Three outputs are torque commands for the engine, the motor, and the ISG. The system model and the energy management system are integrated for off-line simulation then. The verified models of control strategy and the vehicle dynamics are downloaded to two real-time simulators for the close-loop control with A/D D/A interface. Simulation results show that the vehicle model details the dynamics of key components, while the energy consumptions of these two control modes are nearly 170kJ under ECE40 driving cycle. This HIL platform can be used for rapid prototyping for vehicle control unit (VCU) designs of HES. The general vehicle model can be extended to various power-level hybrid vehicles with three power sources.
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