Baidu Online Network Technology (beijing) Co., Ltd.

Beijing Institute of Precision Mechatronics and Controls

Zhiyuan Yu

Feng Li

Wenchao Wang

Wei Xiao

Zhe Zhao

Yunpeng Wang

Bo Zeng

Haiping Zhou

Xiaorong Zhu

Hongzhou Song

Shoujun Zhao

Shihui Zhou

Zheqing Zuo

Zixing Wang

Xianghui Zhao

Yecheng Yin

Zonglun Li

An electromechanical actuator for forced unlocking of a fuzzy jamming fault of a transmission mechanism comprises a bidirectional electromagnetic braking assembly, a circumferential rotating housing assembly, an axial spline bearing assembly, an LVDT linear displacement sensor assembly, a potentiometer linear displacement sensor assembly, and an electromechanical actuator assembly. The axial spline bearing assembly is mounted inside the circumferential rotating housing assembly for a reciprocating linear motion, and the axial spline bearing assembly is connected to an output rotating shaft of the electromechanical actuator assembly to form a spiral transmission pair; the bidirectional electromagnetic braking assembly is actively energized to generate radial and axial attraction forces, so that the circumferential rotating housing assembly is disengaged from a fixed connection with the electromechanical actuator assembly to rotate.

Electromechanical actuator and method for forced unlocking of fuzzy jamming fault of transmission mechanism

The present disclosure provides a cross-blockchain data access method, apparatus and system, and a computer readable medium. The method comprises: sending an authorizing blockchain apparatus a block data request carrying a requesting blockchain apparatus identifier and authorization information, so that the authorizing blockchain apparatus verifies whether the authorization information corresponding to locally-stored requesting blockchain apparatus identifier is matched with the authorization information in the block data request; receiving block data sent by the authorizing blockchain apparatus and corresponding to the block data request, the block data being sent after the authorizing blockchain apparatus verifies that the authorization information corresponding to locally-stored requesting blockchain apparatus identifier is matched with the authorization information in the block data request. According to the present disclosure, through an authorization mechanism, namely, the authorizing blockchain apparatus's authorization for the requesting blockchain apparatus, the requesting blockchain apparatus may be enabled to access the block data of the authorizing blockchain apparatus according to the authorization information, thereby finally achieving cross-blockchain data access. The cross-blockchain data access according to the present disclosure does not require manual participation and exhibits a higher access efficiency.

Cross-blockchain data access method, apparatus and system, and computer readable medium

Growing community of inventors

Beijing, China

Zhiyuan Yu