Chery Automobile (China)

Design optimization and simulation of a flexible manipulator for blueberry picking

To address high damage rates and low adaptability in harvesting delicate lowbush blueberries from dense clusters, this paper designs a rigid-flexible coupled three-fingered picking end-effector driven by a lead screw transmission and linkage mechanism. First, a contact mechanics...

Ciphertext-Policy Attribute-Based Boolean Keyword Search with Negation for EHR Sharing

The growing volume of electronic health records (EHRs) has made cloud-assisted storage increasingly important, but outsourced records require both encrypted storage and controlled retrieval. Attribute-based keyword searchable encryption (ABKS) combines search with fine-grained au...