Title :
Measuring and monitoring system for electric cars
Author :
Kuchta, R. ; Vrba, R.
Author_Institution :
Fac. of Electr. Eng. & Commun., Brno Univ. of Technol., Czech Republic
Abstract :
This article describes the measuring and monitoring system for electric car. There are described basic function blocks and measuring traction batteries principles. Monitoring system enables measuring of all values, which are necessary for calculation of running time of car with electric power supply or other devices with battery source. It is composed from one on-board computer and 2 up to n slave units. The on-board computer controls a monitoring system, communicates with other slave units, an intelligent fast charger and a digital simulator. All slave units are connected via a vehicle CAN bus. On-board computer processes all measured quantities and informs a driver, or electric device operator, with state and operation mode of device on a display. The slave units measure values of battery cells voltage, and a battery temperature. Each of slaves unit measures seven values of voltage and one value of temperature. One of slave units is determined for current measuring.
Keywords :
battery chargers; battery powered vehicles; computerised monitoring; controller area networks; digital simulation; electric current measurement; road vehicles; secondary cells; temperature measurement; traction power supplies; voltage measurement; battery cells voltage measurement; battery source; car running time; current measurement; digital simulator; electric cars; electric device operator; electric power supply; intelligent fast charger; measuring system; monitoring system; on-board computer; temperature measurement; traction batteries measurement; vehicle CAN bus; Battery charge measurement; Computer displays; Computerized monitoring; Electric variables measurement; Measurement units; Power measurement; Power supplies; Temperature; Time measurement; Voltage;
Conference_Titel :
Diagnostics for Electric Machines, Power Electronics and Drives, 2003. SDEMPED 2003. 4th IEEE International Symposium on
Print_ISBN :
0-7803-7838-5
DOI :
10.1109/DEMPED.2003.1234598