裝載在多功能型混合式探空火箭上的任務酬載「電離層閃爍儀」(Ionosphere Scintillation Package, ISP)，其包含了兩具小型電離層探測儀(Compact Ionosphere Probe, CIP)、一具姿態量測儀(Aspectmeter, ASM)、兩具追星儀(Star Tracker)，以及ISP數位控制模組(Digital Control Unit, ISP/DCU)與各項儀器的轉接板(RIO Mezzanine Cards, RMC)。ISP的主要任務在於量測台灣上空電離層E域的電漿不規則體結構，並以此探空火箭平台來驗證CIP的各項功能。ISP的電源系統獨立於火箭本體，供應自身各項科學儀器，故必須考慮各儀器所需的電力需求後，為ISP設計專屬的電力系統。而開發此電力系統亦能為未來自主研發立方衛星時，做為衛星電力系統的開發基礎。此外，各儀器與ISP/DCU之間需要一個整合系統，用於訊號傳遞與電力分送，而設計與開發RMC板。ISP的電力系統將包含有電池管理系統(Battery Management System, BMS)、過電流保護裝置、短路保護裝置。CIP、追星儀的資料傳輸及ASM亦佈局於其上，並利用國家儀器公司所開發的Single Board RIO-9607(sbRIO9607)作為ISP的數位控制單元（ISP/DCU），再透過RMC板與火箭電腦溝通。本文將呈現ISP電源系統的設計及測試結果，包括如何預估ISP消耗的電能、充放電的測試及其結果、ISP對火箭的通訊接腳定義以及ISP的開關機流程規範等。

The Ionosphere Scintillation Package (ISP), which is installed on the multi-function hybrid sounding rocket, includes two Compact Ionosphere Probes (CIP) , one Aspectmeter (ASM), two Star Tracker (STR) , and ISP Digital Control Unit (ISP/DCU) and RIO Mezzanine Cards (RMC). The purpose of the ISP is to measure the plasma irregularities of the ionosphere E region over Taiwan, and use this sounding rocket platform to verify the functions and capabilities of the CIP. The ISP's power system is independent of the rocket's body and supplies the various scientific payloads loaded on it. Therefore, it is necessary to design the exclusive power system for the ISP after considering the power requirements for each subsystem. The development of this power system can also be used as the basis for cubic satellite power systems in the future. Before the transmission of the scientific data collected by the various payloads to the ISP/DCU, an integrated system is needed for integration and transmission of data. The above requirements are required to design the RMC board and the ISP's power system; it includes the battery management system (BMS), CIP to rocket data transmission and ASM integration. ISP/DCU use the Single Board RIO-9607 (sbRIO9607), which developed by National Instruments as the digital control unit of ISP, then communicate with the rocket computer through the RMC board. This article will present the design and test results of the ISP power system, including how to estimate the power consumed by the ISP and the test results of ISP battery package.

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