Smart agriculture is an agricultural model integrated with modern information technology. It realizes the precision, automation and intelligence of agricultural production through the Internet of things, big data, artificial intelligence and other technical means. In China, the implementation of the Rural Revitalization Strategy provides a broad space for the development of smart agriculture, which is the inevitable trend of agricultural modernization. As part of the digital transformation, smart agriculture is gradually becoming an important force to promote agricultural modernization. As a kind of modern agricultural technology equipment, agricultural grader is equipped with advanced navigation and control system, which can realize precise operation, reduce repeated work and missed tillage, greatly improve the efficiency of land leveling operation, reduce labor costs and improve land utilization. The dynamic inclination sensor vg55 can measure the inertial attitude parameters of the rolling and pitching of the moving carrier, as well as the angular velocity and acceleration. The attitude deviation is estimated by 6-state Kalman filter with appropriate gain, which is suitable for inclination measurement in motion or vibration state, and can adapt to different terrain and land conditions and complete the operation efficiently. In view of the terrain and climate conditions in Western China, the dynamic tilt sensor bw-vg225 developed by Beiwei sensor for tractor body attitude control has also been mass produced. Vg225 can still maintain good accuracy and stability on high altitude, cold, and dramatic slope changes. The product can also be used for dynamic tilt measurement of harvester header, which improves header accuracy and reduces user costs while reducing the impact of ground vibration on the product. It will help to improve the overall technical level of agricultural production and promote the development of agriculture in a more efficient and intelligent direction. Smart agricultural graders are indispensable technical equipment in the development of modern agriculture, from cost saving to efficiency improvement, to environmental friendliness and agricultural modernization.

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