GeoMag II = Miniature, high resolution, Caesium Beam Magnetometer

GeoMag II = 微型高分辨率铯束磁力计

• 批准号: 700235
• 金额: $ 3.06万
• 依托单位: BARNARD MICROSYSTEMS LIMITED
• 依托单位国家: 英国
• 项目类别: GRD Proof of Market
• 财政年份: 2013
• 资助国家: 英国
• 起止时间: 2013 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=700235
• 关键词: GeoMag; II; Miniature; resolution; Caesium

We are developing small unmanned aircraft (UA) for use throughout the world in scientific,commercial (oil and mineral exploration) and state (border patrol) applications.In our discussions with staff at oil and gas exploration and production companies such asShell, BP, Statoil and ENI, we have noticed a growing interest in the use of UA ingeomagnetic surveys. To measure the lateral gradient in the Earth's magnetic field, a precisionCaesium Beam Magnetometer (CBM) is mounted at the end of each wing tip on a UA. Tomeasure the gradient in all three axes, at least four of these expensive (£13,200 each) CBMsare necessary.According to Stephan Sander, the President of Sander Geophysics Ltd, a well-known airbornesurvey company, the cost of a geomagnetic survey is dictated primarily by the number of daysthe crew spends at the survey site and how many people are in the crew. If we were to use aswarm of UA in place of a single manned aircraft to perform a geomagnetic survey, thesurvey would be performed in a fraction of the time. The use of low cost, high performance,CBMs on each UA in a swarm would introduce a significant cost reduction.Recent work at the N.I.S.T. in the USA has resulted in the realisation of a small, 12 cc CBM.Work at universities has investigated the use of silicon MEMS technology and semiconductorlasers to achieve further reductions in size and electrical power dissipation. We aim tointroduce energy efficient processors and an Inertial Measurement Unit to enable us to apply aphysics based approach to the processing of the measured Larmor signal, to increase theaccuracy of the measurements made.We see an opportunity to develop, manufacture and deploy miniature CBMs on a swarm ofUA for use in cost-effective geomagnetic survey applications. We propose to investigate thenature of the global market, quantify the returns on investment and define the next steps toexploit this opportunity.

我们正在开发小型无人驾驶飞机（UA），用于世界各地的科学，商业（石油和矿产勘探）和国家（边境巡逻）应用。在我们与壳牌，BP，Statoil和ENI等石油和天然气勘探和生产公司的工作人员的讨论中，我们注意到对UA地磁测量的使用越来越感兴趣。为了测量地球磁场的横向梯度，一个精确的铯束磁力计（CBM）安装在UA的每个翼尖的末端。为了测量所有三个轴上的梯度，至少需要四个这种昂贵的CBM（每个13,200英镑）。据著名的航空测量公司Sander Geophysics Ltd的总裁Stephan Sander说，地磁测量的成本主要取决于工作人员在测量现场花费的天数和工作人员的人数。如果我们用无人机群代替单个有人驾驶飞机进行地磁测量，测量将在一小部分时间内完成。在集群中的每个UA上使用低成本、高性能的CBM将显著降低成本。在美国，已经实现了12 cc的小型CBM。大学的工作已经研究了硅MEMS技术和半导体激光器的使用，以进一步减小尺寸和电功率耗散。我们的目标是引入节能处理器和惯性测量单元，使我们能够应用基于物理学的方法来处理测量的Larmor信号，以提高测量的准确性。我们看到了在一群UA上开发、制造和部署微型CBM的机会，用于具有成本效益的地磁测量应用。我们建议调查全球市场的性质，量化投资回报，并确定利用这一机会的下一步措施。