Improving the positioning accuracy and stability of a single BDS/INS sensor system in agricultural machinery is important for expanding application scenarios machinery. This paper proposes navigation model based on an improved bee-colony-algorithm-optimized BP network (the IABC-BP model). The main aspect this work involves introducing adaptive coefficients speed adjustment that obey Gaussian di...

High-speed rotating mechanical machinery is a developed, mature and reliable technology for many engineering applications. In high-speed permanent magnet machines, the rotor's PM not strong enough to withstand centrifugal force resulting from excessive rotational speed; thus, material must be protected by non-magnetic alloy sleeve. This paper presents novel machine with solid rotor covered tita...

Abstract The high-pressure axial piston pump is widely used in the field of coal machinery equipment due to its compact structure, high power density, and easy variable control. Failure affects performance. In this paper, sliding shoe pair plunger taken as research object, variation law oil film pressure numerically simulated by Matlab software, test bench built. full-cycle dynamic evaluation i...

Conscientious objection (CO) is the refusal to obey laws due to moral, religious or belief principles. The ideologies or religions underlying laws or constitutions have been seldom analyzed. Scientific Ethics finds that constitutions and laws have implicit or explicit ideological elements that are imposed on citizens, and denies or forbids others that lead citizens to CO. Ideological analysis i...