MAXWELL立方星任务手册发布：概述与关键设计细节

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MAXWELLL Mission Handbook 是关于 MAXWELL（位于低地球轨道的 Multiple Access X-band Wave Experiment）项目的重要参考资料。MAXWELL 是一个立方卫星（CubeSat）任务，其目标是提供一个全面的程序和技术信息集合，包括项目级愿景、系统需求及其跟踪性，以及系统设计和操作的技术介绍。该手册的第1.12版发布于2020年5月8日，由 Aaron P. Aboaf 博士，来自科罗拉多大学博尔德分校，担任项目经理。项目的主要参与者包括 Scott Palo 教授（首席研究员）、Robert Marshall 教授（联合首席研究员）、Marcin Pilinski 教授（项目顾问）以及 Nicholas Rainville 博士（项目顾问）。文档的编写过程中，从早期的预发布版本0.1到最终的官方1.0版本，经过了多次修订，旨在收集顾问们的反馈并将其融入最终文档。在手册中，可以找到项目的批准流程，涉及签名资产和项目关键人员的角色，如 Aaron Aboaf 作为项目经理，Matthew Zola 作为副项目经理，以及 Elliott Harrod 负责首席系统工程。Chief Systems Engineer Adam Gardell 与 Software Systems Engineer 合作，确保软件系统的有效设计和实施。内容涵盖了多个关键部分，如赞助、文档分发、日常运行情况（Documents, Day In The Life）、里程碑管理、空间飞行器标准、瀑布图（一种项目管理模型）等。特别值得注意的是，手册中还包括了一个关于 CDMA（码分多址）和 X-band 传输器的注释，这表明 MAXWELLL 任务可能涉及到无线通信技术，尤其是对于在低轨道运行的CubeSat来说，这些技术的选择至关重要。此外，手册还可能包含了关于任务的科学目标、数据收集方法、地面站通信、以及如何处理卫星在轨期间可能遇到的环境挑战和故障应对策略。通过阅读和理解这份手册，用户可以深入了解 MAXWELLL 项目的设计理念、技术实现以及整个项目生命周期的管理细节。

Mission Impact 

The MAXWELL mission has a broad impact facilitated by its technological development            

goals and involvement as a graduate project at the University of Colorado Boulder. The MAXWELL               

mission also seeks to have community involvement in the education and encouragement of the              

pursuit of STEM careers among grade school students. The project has two primary goals. The ﬁrst                

is to provide a means of education regarding the design, build, test, and operation of real satellite                 

systems for students at the university level. The second is to produce a functional satellite system                

that will actually ﬂy in space. 

Regarding the ﬁrst goal of educating students, the MAXWELL project has involved            

graduate and undergraduate students at the University of Colorado since its inception in the              

Spring of 2016. An estimated 75 students have been signiﬁcantly involved in the development of               

the MAXWELL CubeSat to date with more on the horizon. Typically students tend to be from the                 

graduate program and are involved formally through the ASEN 5018/6028 graduate projects            

course or through an Independent Study facilitated through the ASEN department. Some            

undergraduates have also been involved with the project. Typically undergraduate involvement is            

limited through a Discovery Learning Apprenticeship (DLA) program, but some undergraduate           

students have done exceptional work and become active volunteers or paid students working on              

the project. 

The MAXWELL management team also sees the value of active outreach to promote the              

project and to promote STEM involvement in the community. One of the most important pillars of                

this philosophy is to maintain an active image in the engineering college and aerospace              

department. Having other students know about the project is essential to keeping enrollment             

numbers up in order to have the team staffed as best as possible each semester. There are also                  

other opportunities for outreach and promotion at conferences. As the MAXWELL project            

matures, opportunities arise for public presentations about the project at conferences including            

the CubeSat Developers Workshop at CalPoly and the AIAA/USU Conference on Small Satellites             

at Utah State University in Logan, Utah. These are two opportunities that the MAXWELL project               

plans to present a mission overview at in 2020. 

Completion of the mission’s communication experiments will also lead to opportunities to            

publish additional papers on the performance of the mission. These papers will likely have a               

collaborative aspect with industry as well since the X-band experiments onboard the satellite are              

sponsored in part by industry partners. Blue Cubed LLC is the developer of the XTx radio platform                 

that is supporting MAXWELL s-band communication experiments. MMA Design LLC is the            

supplier of the proposed T-DaHGR Antenna which is to be ﬂown and tested on the MAXWELL                

satellite. These two industry partners along with students and faculty at the University of              

Colorado have a vested interest in publishing the performance results of the communications             

experiments performed via the MAXWELL satellite platform. 

Management also plans to support some high school outreach in the Spring of 2020 as part                

of a collaborative effort with high school students with developed skills in CAD modeling, 3D               

manufacturing, and programming. 

MAXWELL Mission Handbook 12 

Sponsorship 

The University Nanosatellite Program 

The University Nanosatellite Program (UNP) is jointly administered by the Air force Ofﬁce             

of Scientiﬁc Research (AFOSR) and the Air Force Research Laboratory (AFRL). The program funds              

university students to design, build, launch, and operate small satellites. The UNP program is a               

competitive downselect process where universities compete for funding and launch opportunities           

based on technical reviews early in the project lifecycle. Since the program inception in 1999, 38                

universities have participated and nearly 5,000 students have gained experience building and            

operating small satellites before transitioning into career positions at AFRL and other industry             

companies. 

MAXWELL entered the UNP-9 program in 2016 and was selected from a group of 10               

universities at the Flight Selection Review (FSR) in January 2018. This marked the end of Phase A                 

of the program lifecycle. After the conclusion of Phase A, Phase B begins which is the assembly,                 

integration, and test of the engineering and ﬂight satellite systems. Following Phase B is the               

environmental testing and launch operations in Phase C and then mission operations designated             

as Phase D. MAXWELL is expected to launch in early 2021 and to conduct operations through the                 

second quarter of 2022. 

Regulations 

An important part of conducting the MAXWELL project is to understand the regulatory             

environment the project is subject to. This regulatory environment is two fold; ﬁrst under the               

University of Colorado, and second under United States Federal regulations. Both of these             

regulatory environments impact the processes and procedures used while conducting this project. 

University Regulations 

Tax-Exempt Status 

There are several University of Colorado regulations that this project is subject to. First,              

and most importantly is the Tax-Exempt status of the University of Colorado. Any purchases for               

business use by the University of Colorado are by law tax exempt both at the federal, state, and                  

local level. Any purchase of hardware or software for the purposes of moving the MAXWELL               

project forward are included in this designation and the project manager should have the required               

information and tools to make all purchases for the project. 

MAXWELL Mission Handbook 13 

Non-Disclosure Agreements 

There are some aspects of the MAXWELL project that are governed by Non-Disclosure             

Agreements (NDAs). The purpose of these NDAs is to protect the proprietary information of our               

commercial partners that the MAXWELL team members have access to in order to perform their               

responsibilities on the team. Table 4 details the different NDAs that the MAXWELL team members               

are subject to. It should be noted that the NDAs cover every student at the University of Colorado                  

so sharing proprietary information among students on the team is not an issue. Each student that                

is shared the information should be notiﬁed of the information that is under the NDA and that                 

they cannot disclose that information to anyone not directly afﬁliated or enrolled at the University               

of Colorado. 

Table 4. List of Non-Disclosure Agreements 

NDA Document 

Number 

Afﬁliated Commercial 

Entity 

Summary of Information Subject to 

Disclosure Restrictions 

AWF-17-09-0253 

MMA Design LLC 

Broomﬁeld, CO USA 

Information about the performance and 

speciﬁcations of the T-DaHGR Antenna, 

Mounting of the T-DaHGR Antenna, 

Mechanical Interface of the T-DaHGR 

Antenna, Software Interface of the 

T-DaHGR Antenna. 

Expired 

Hyperion Technologies 

The Netherlands 

Any technical, mechanical, or performance 

information not publically available for the 

ST200 Star Tracker. 

Under Review 

Tyvak Nano-Satellite 

Systems 

Irvine, CA USA 

Speciﬁcations not publically available 

regarding the Tyvak NLAS mkII deployer and 

the Tyvak Rail-pod deployer platforms. This 

includes technical drawings of both 

platforms. 

Export Compliance 

Export compliance has to do with the production or use of controlled information as              

classiﬁed by the International Trafﬁc in Arms Regulations (ITAR) or the Export Administration             

Regulations (EAR). This usually encompasses sensitive technical information regarding US          

technological assets. The overarching MAXWELL project is grouped under an umbrella called the             

Fundamental Research Exclusion (FRE) which essentially says that any information about the            

MAXWELL project or created from work on the MAXWELL project is not subject to ITAR or EAR                 

export regulations. The FRE does not take precedence over proprietary information subject to             

NDAs or to externally developed components that may have ITAR or EAR restrictions. Table 5               

describes the only ITAR or EAR aspects of the MAXWELL project. 

MAXWELL Mission Handbook 14 

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MAXWELL立方星任务手册发布：概述与关键设计细节

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