Thomas Watts

University of Nottingham > Engineering > Departments > Mechanical, Materials and Manufacturing Engineering > PDM Exhibitions > 2025 > BEng students > Thomas-Watts

This project showcases an autonomous lawnmower designed specifically for use on small-scale fruit farms, such as vineyards and orchards.

I chose to study Product Design and Manufacture because I’ve always been passionate about solving problems in creative and meaningful ways. I enjoy developing innovative, technical solutions that not only look good but serve a clear purpose. For me, good design isn’t just about creating ‘things’ — it’s about designing products that genuinely solve problems and improve the way people live or work.

Throughout my studies, I’ve gravitated toward projects that involve complex systems and mechanical challenges. I’m especially interested in the intersection of different engineering disciplines and how they come together to create truly effective products. I tried to push this idea during the development of Agrimow. In my career, I hope to continue broadening my knowledge across multiple areas of engineering to become a more versatile and well-rounded designer.

Having grown up in the countryside, I’ve developed a strong connection to the agricultural sector and am particularly interested in how design and engineering can support and modernise rural industries. I’m also drawn to the idea of working in a product design consultancy, where I’d be exposed to a wide range of projects and challenges — the kind of environment that would push me to constantly learn and adapt.

Outside of design, I’m someone who loves being outdoors and staying active. I find sport to be a great way to release energy and maintain a healthy lifestyle. Whether it’s surfing, football, or rugby, I enjoy the physical challenge and the sense of balance it brings to my life — something I believe is important when working in a creative and demanding field.

Thomas Watts, BEng Product Design and Manufacture

Thomas Watts Major Project - Autonomous lawnmower for small scale fruit farming

This project showcases an autonomous lawnmower designed specifically for use on small-scale fruit farms, such as vineyards and orchards. Its primary goal is to support sustainable land management by enabling the maintenance of a grass cover crop, thereby reducing or eliminating the need for herbicides and pesticides. In doing so, it helps improve soil health, prevent long-term soil degradation, and promote greater biodiversity.

The key feature is a side-mounted strimmer attached to a reciprocating arm, allowing it to extend and trim grass closely around the base of trees. The lawnmower also runs on tracks, providing superior traction and stability on uneven or soft terrain.

Satellite imagery is used to map its coverage area, creating mowing routes across the farmland. Automated operation is enabled through a combination of onboard sensors—ultrasonic, pressure, rain, tilt, and rotary encoders—which allow the mower to detect obstacles, adapt to varying ground conditions, and maintain consistent operation. For safety, if the ultrasonic sensors detect an unexpected object the lawnmower can be brought to a stop, while pressure sensors automatically halt the cutting blades if contact is made with a solid object

Power is provided by a rechargeable battery. For recharging, the mower is paired with a docking station, which utilises ultrasonic sensors and shape recognition to precisely dock. This allows for fully automated operation without user intervention.

Designed with practicality in mind, the lawnmower features an accessible structure, which is easy to open and service using basic tools, ensuring long-term usability with minimal technical expertise.