Evaluation of state-of-charge indicator approaches for EVs

Conference · Sun Jan 01 04:00:00 EST 1989

OSTI ID:5491340

Burke, A F

Studies of battery management systems(BMS), including state-of-charge(SOC) algorithms, were performed in the Battery Test and Vehicle Dynamometer Laboratories at the INEL. The test and evaluation of the SOC algorithms indicated that the capacity rate dependent and adaptive approaches to determining battery SOC yielded RMS errors between the indicated and actual states-of-charge of less than 10% if battery temperature and aging effects were not dominate. The BMS tested were not sufficiently accurate and reliable to permit their use as the primary means of charge control during the various INEL test programs. Considerable progress has been made in the development of BMS, but further work is needed before the systems can be used with confidence in either the charge or discharge modes without careful attention from the user.

• OSTI ID: 5491340
• Report Number(s): CONF-890240--
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250902* -- Energy Storage-- Batteries-- Performance & Testing
33 ADVANCED PROPULSION SYSTEMS
330300 -- Advanced Propulsion Systems-- Electric-Powered Systems
ELECTRIC BATTERIES
ELECTRIC CHARGES
ELECTRIC DISCHARGES
ELECTRIC-POWERED VEHICLES
ELECTROCHEMICAL CELLS
PERFORMANCE
VEHICLES