NETWORK NODE FOR TEMPERATURE CONTROL OF SCIENTIFIC EQUIPMENT FOR MATERIAL PROCESSING IN SPACE STATION

摘要

High temperature material processing experiments are prepared to be carried-out in scientific equipment in space station on the Earth orbit. Paper presents hardware and software architecture of network temperature control node which is utilized several times in networked control computer of the equipment. General design requirements are presented and also details of hardware and software solution. Node uses multi-processor architecture with host processor and communication processors, flash disk, multi-channel front-end /micro-voltmeter and PWM for heater power converters. Software has mixed architecture (couroutines/interrupts) with statically pre-planed threads of processes and event driven scheduler/dispatcher which dynamically runs required process. Nodes are used in scientific equipment called Advanced TITUS MPP, which is planned to be placed in orbital station ISS.