A Minimalist Fault-Tolerant Microcontroller Design for Embedded Spacecraft Computing |
| |
| Authors: | Caldwell Douglas W. Rennels David A. |
| |
| Affiliation: | (1) Jet Propulsion Laboratory (JPL), 4800 Oak Grove Drive, Pasadena, CA, 91109;(2) Computer Science Department, University of California at Los Angeles, USA;(3) Jet Propulsion Laboratory, USA |
| |
| Abstract: | Inexpensive commodity microcontrollers are extremely attractive for offloading low-level, real-time computations from high-performance spacecraft computers due to their high functional density and low power, but they have not been widely used because of their low radiation tolerance. This paper presents a fault-tolerant microcontroller configuration specifically designed to tolerate space-radiation effects that be used for embedded real-time control in spacecraft. The requirements and fault-environment are examined, then an architecture is presented. An experimental testbed is described along with fault-insertion test results. |
| |
| Keywords: | microcontroller fault-tolerance embedded computing real-time computing fault-insertion testing space radiation single-event effects (SEE) |
| 本文献已被 SpringerLink 等数据库收录！ |
|
