National Chung Shan Institute of Science and Technology

Chih-Hsien Chung

Kuo-Kuang Jen

Gwo-Huei You

Shih-Chang Tseng

Chi-Sheng Wu

Wei-Min Hsiao

Hsuang-Chang Chiang

Tsang-Li Tai

Shu-Hsien Wen

Dao-Qin Lin

Kun-Feng Chen

Fu-Min Fang

Hsin-Chi Chen

Jin-Kuan Chang

Cheng-Yu Shih

Jung-Zong Wu

Yin-Sun Huang

A method of hybrid battery electrical energy output distribution control for an electric vehicle. The method has steps comprising: (A) providing battery data of a high energy density battery and a high power density battery; (B) setting a boundary condition comprising (a) the highest and lowest boundary values of the state of health (SOH) of the batteries, (b) the highest and lowest boundary values of the state of charge (SOC) of the batteries, (c) the highest and lowest boundary values of the charge and discharge rate (C-rate) of the high energy density battery; (C) setting an energy consumption objective function; (D) using a global search algorithm to search and calculate the minimum equivalent energy consumption value under various driving conditions to establish a minimum equivalent energy consumption multi-dimensional table to achieve the output of minimum energy consumption under different driving conditions.

Method of hybrid battery electrical energy output distribution control for electric vehicle

A household energy management and dispatching system includes: a power generation device, converters, an energy storage device, an energy management controller, local servers and a cloud server. Each of the converters is electrically connected to the power generation device, an electricity grid, the energy storage device and the energy management controller, configured to receive a power generation electrical energy or a utility power, and transmitted to the energy storage device and a load. Each of the local servers is electrically connected to each of the converters and configured to read an electrical energy information, a utility power information and an energy storage information. The cloud server is electrically connected to the local servers. The local servers perform an edge computing analysis to obtain an edge information according to the above information. The system is used to provide a buffer to stabilize the grid and power dispatching.

Household energy management and dispatching system

A portable battery detection device includes a battery data receiving module for receiving battery data, a temperature measurement module for measuring battery temperature, a gas measurement module for measuring discharged gas, an insulation resistance measurement module for measuring insulation resistance, a serial impedance measurement module for measuring serial impedance, a data acquisition module for receiving various data sent by the temperature measurement module and the gas measurement module, an electric meter module for measuring DC voltage, current, and impedance, the data integration module for receiving data transmitted by the battery data receiving module, the electric meter module, and the insulation resistance measurement module, and then integrating the data to the processor module, and the processor module for using data received from the data integration module, the data acquisition module, and the serial impedance measurement module to transmit data, control, and manage the operation of the portable battery detection device.

Portable battery detection device

A safety protection device for a battery test system includes a system device, an alternating current changeover switch and a direct current changeover switch. The system device is coupled to a load device. One terminal of the AC changeover switch is coupled to an AC source, the other terminal of the AC changeover switch is coupled to the system device. One terminal of the DC changeover switch is coupled to a battery pack, the other terminal of the DC changeover switch is coupled to the system device. The system device detects in real time a plurality of sets of detection information of the battery pack, performs a plurality of determinations on the plurality of sets of detection information to obtain a plurality of sets of determination information. The system device respectively switches the AC changeover switch and DC changeover switch according to the plurality of sets of determination information.

Safety protection device and method for battery test system

The present invention discloses an external battery short-circuit testing device, configured to perform short-circuit test on a battery pack under test. The external battery short-circuit testing device comprises a plurality of fuses; a Hall current transducer, coupled to the plurality of fuses; a current meter, coupled to the Hall current transducer and the battery pack under test; a voltmeter, coupled to the battery pack under test; a variable resistor, coupled to the Hall current transducer; an electromagnetic switch, coupled to the variable resistor and the battery pack under test; and an operation unit, comprising a voltage measurement unit, a current measurement unit, a temperature measurement unit and a switch control unit.

External battery short-circuit testing device

A power conversion system comprises a plurality of power converter modules, each including a bi-directional DC to DC converter and a current controller, wherein the bi-directional DC to DC converter is connected to the current controller, for charging or discharging a DC power source according to a distribution command received from the current controller, and a voltage controller, connecting to the plurality of power converter modules, for generating a current command to the current controller, wherein the voltage controller generates a current command to the current controller of the power converter module according to the detected capacity and voltage of the DC power source, whereby the current controller generates the distribution command to the bi-directional DC to DC converter with the received current command.

Power converter module

A battery management and balance circuit comprises multiple battery group balance circuits, multiple battery module balance circuits and a battery management unit. The battery group balance circuits connect to battery groups for executing first charge or discharge command. The battery management unit connect to the battery group balance circuits and the battery module balance circuits for generating the first and second charge or discharge commands to the battery module balance circuits. A battery system and a battery management and balance circuit method is also introduced.

Battery management and balance circuit, battery system and method of charging the battery system

A baffle structure for heat dissipation, mounted on an electric vehicle on top of which a battery pack is mounted, includes a base, a plurality of baffle fins and a mask. The base is connected to the battery pack. The baffle fins are disposed on the base. The baffle fins each have a first end and a second end. The mask covers the baffle fins. The mask includes at least an air inlet and at least an air outlet which correspond in position to the first and second ends, respectively. The baffle structure guides hot air out, takes up no space inside the electric vehicle, dispenses with a need to be connected to any external cooling system, and saves electrical power supplied by the battery pack.

Baffle structure for heat dissipation

A control method for reducing second-order ripple is adapted to reduce second-order ripple on an input side of a DC-DC conversion device, wherein the input side of the DC-DC conversion device is coupled to a preceding voltage supply device, and an output side of the DC-DC conversion device is coupled to a DC-AC transforming device, characterized in that a voltage control device for controlling the preceding voltage supply device is designed according to a transfer function, and the transfer function is adjusted and controlled with an output voltage of the DC-DC conversion device and an amplitude voltage of pulse width modulation to reduce second-order ripple of an input voltage input to the input side of the DC-DC conversion device, thereby dispensing the need to increase circuits or increase capacitance of components and cutting costs.

Control method and control device for reducing second-order ripple

A power monitor and management system includes an automatic modulation device, a monitoring device, multiple modules and an LAN (local area network) connected to the monitoring device and the modules to enable the monitoring device to communicate with the modules. The automatic modulation device determines a dominating module in according to registration sequences of the modules and subordinating modules and to modulate power of the dominating module and the subordinating modules as well as the overall power output in accordance with number of the modules.

Growing community of inventors

Taoyuan, Taiwan

Chih-Hsien Chung