Aerospace and Defense Review : News

High-accuracy robots are valuable tools for many processes in aerospace manufacturing. Robots have conventionally depended on repeatability. Critical aerospace manufacturing abilities such as fastening and drilling were conventionally not held to tight tolerances. The standard is fixed by the positional requirement to drill fastener holes, a crucial target application for robotics in aerospace manufacturing. Since several factors influence robot accuracy, it is essential to define the accuracy needs of the system. Various levels of accuracy require other solutions; the higher the accuracy needed, the more factors must be considered, increasing the cost and complexity. The story of precision should be defined in connection to the process demands. Some processes only need positional accuracy, while others need path accuracy, and some applications require both. Inconsistent and inaccurately machined replacement parts might have meant time lost because of trimming or other adjustments. Mitigating fastener tolerances improve an assembled component's reproducibility, reducing structure weight due to smaller fastener size and weight. Avoiding these adjustments by machining exactly formed parts enables predictable and timely replacement, reducing costs and downtime, and letting parts be interchanged repeatedly without interruption in production. Introducing robotic accuracy into the manufacturing process ensures that this replacement is seamless, does not disturb the manufacturing process, and is cost-effective and extremely accurate. Robot accuracy is more desirable when the work quarter is described as localized and viable. It's vital to outline where the robot's work envelope the system will take vicinity. This is referred to as the technique work zone. Greater accuracy is gained if the procedure work area is described and the calibration is restricted to this sector. While defining a system work zone, there are some considerations to comply with: 1. The process work zone wants to incorporate all processes that need accuracy. 2. Make the zone just as large as the process needs. 3. Restrict robot configuration changes inside the process work region as much as possible. Some other further applications that have benefited from high-accuracy robots are aerospace engine components manufacturing and airframe painting. ...Read more

The advent of IoT has altered industry practices and techniques, as connected devices and sensor-based systems pave the way for new types of regulation and administration.  It's being employed in the aviation business to nurture numerous services ranging from the safety of the aircraft itself to the increased smoothness of the people moving. The aviation sector is significant for a variety of reasons. It facilitates travel and tourism, particularly international travel. It generates jobs and opens up new avenues for economic growth all over the board. The advent of IoT has altered industry practices and techniques, as connected devices and sensor-based systems pave the way for new types of regulation and administration. This includes everything from passengers to crew. Not only that, but baggage monitoring, cabin climate management, and even emergency alerts are key milestones that have been used in the aviation industry as it transitions to IoT techniques and gadgets. Applications of IoT in the Aviation Industry  Let's have a look at some IoT applications in the aviation industry: Cabin Climate Control Temperature detection-based sensors are available in airplanes to ensure passengers have a pleasant experience. This can be accomplished by strategically placing automatic temperature control devices throughout the cabin so that the cabin's temperature can be maintained based on location and weather forecasting. In addition, such sensors can capture real-time temperature data for the plane, allowing the cabin crew to take corrective actions such as lowering or raising the manual temperature to meet the needs. Aircraft Safety   Different parts of the plane with various requirement-based sensors that can track airplane velocity, airplane angle, weather conditions, etc., get connected to a central system that helps the devices communicate with each other and be monitored by concerned authorities, whether they are pilots or ground control. This allows for effective operation free of any complex systems, pre-handling maintenance systems, and taking preventive measures for the aircraft and its passengers. Effective Maintenance  IoT can be a good choice for getting the most out of maintenance methods. For example, IoT systems can monitor the current and on-air conditions of arriving planes and their numerous parts. This information can be sent to the pertinent engineers ahead of time, allowing them to prioritize which maintenance function to execute on which aircraft. It will not only help reduce plane runway time, but it will also help ensure adequate maintenance is carried out. ...Read more

Overlay systems can substantially decrease the errors in normal sat-nav fixes from metres down to just centimetres. Inmarsat's system is in a testing phase at the juncture, utilising an aged satellite positioned over the Atlantic to transmit the assurance data. London-based satellite company Inmarsat is testing an overlay system to enhance the performance of GPS signals received in the UK. Britain's departure from the European Union indicates it is no longer involved in the bloc's Galileo sat-nav system, nor its augmentation service called Egnos. Overlay systems can substantially decrease the errors in normal sat-nav fixes from metres down to just centimetres. They're especially valuable in giving planes supplementary certainty in landing. This is particularly valid in poor weather. But in the future, they're presumably to play an increasing function across the transport sector as vehicles become more automatic. Driverless trains, trucks, boats, cars, and buses will be the biggest beneficiaries. Agriculture is also evolving as a significant user, ensuring tractors learn exactly where in a field to drill seed or spread fertiliser. Inmarsat's system is in a testing phase at the juncture. It's utilising an aged satellite positioned out over the Atlantic to transmit the assurance data. British partners on the project include Goonhilly Earth Station Limited in Cornwall and GMV NSL, which specialises in designing positioning, navigation, and timing (PNT) technologies. Augmentation systems enhance the fundamental service by reviewing the precision of signals and alerting users if there are problems. But they are not a substitute for the underlying service. Egnos system depends on Galileo and GPS. If they stop functioning, Egnos has nothing to correct. On the other hand, UKSBAS - the UK Space-Based Augmentation System - and its use of GPS. Nonetheless, such programmes are becoming popular around the world. USA, China, Russia, Japan and India all run augmentation systems. And Inmarsat has just become involved in a project to design one for Australia and New Zealand. ...Read more