Crrc Qingdao Sifang Co., Ltd.

Inspur Suzhou Intelligent Technology Co., Ltd

Xu Wang

Haipeng Kong

Pingyu Zhou

Hongyong Cao

Xiaoning Cao

Zhenxian Zhang

Xiaowen Song

Haixiao Liang

A semi-active anti-yaw damper (), a damping system and a vehicle are provided. When a piston () of the semi-active anti-yaw damper () reciprocates in the hydraulic cylinder (), an interior of the hydraulic cylinder () is divided into two cylinder blocks (PA, PB). The semi-active anti-yaw damper () includes at least two parallel branches (B, B), the two ends of each of the parallel branches (B, B) are connected to the two cylinder blocks (PA, PB), respectively, and each of the parallel branches (B, B) is provided with an adjustable solenoid valve (PV), and the adjustable solenoid valve (PV) is configured to adjust a damping coefficient of the semi-active anti-yaw damper () when the semi-active anti-yaw damper () is in a semi-active mode.

Semi-active anti-yaw damper, damping system and vehicle

A signal correction circuit and a server are provided. The circuit comprises: a first signal processing component receiving an input signal and positive power supply voltages and negative power supply voltages, generating a first control voltage, and outputting a first voltage, the first voltage being zero within a first time period; a second signal processing component generating a second control voltage according to the first control voltage, performing energy storage charging according to the second control voltage, controlling an energy storage charging voltage according to the second control voltage, and outputting a second voltage, and the second voltage being zero in the second time period; and an output component performing superposition processing on the first voltage and the second voltage to obtain an output signal.

Signal correction circuit and server

An active control anti-yaw damper () is provided. When a piston () of the active control anti-yaw damper () reciprocates inside a hydraulic cylinder (), an interior of the hydraulic cylinder () is divided into two cylinder blocks (PA, PB) which communicate with an oil reservoir through two main oil lines respectively to form a primary loop between the hydraulic cylinder () and the oil reservoir; a reversing valve (PV) is installed between the two main oil lines and the oil reservoir and is configured to change a flow direction of the primary loop when the active control anti-yaw damper () is in an active mode and adjust a displacement of the piston () within the hydraulic cylinder ().

Active control type anti-yaw damper, damping system and vehicle

Provided is a method for controlling an anti-yaw damper, including: obtaining lateral acceleration signals of a frame and performing a first preprocessing on the lateral acceleration signals; obtaining a pressure difference between two chambers of an anti-yaw damper piston and performing a second preprocessing of the pressure difference; obtaining an MPPT algorithm objective function value at the current moment and an MPPT algorithm objective function value at the previous moment according to first preprocessing results and second preprocessing results, and comparing the MPPT algorithm objective function value at the current moment with the MPPT algorithm objective function value at the previous moment; and controlling the adjustment direction of an electromagnetic proportional valve of the anti-yaw damper according to the comparison result. According to the method, the damping force of the anti-yaw damper can be adjusted in real time, therefore the adaptability of the damper in different wheel wear conditions and the kinetic stability of a motor train unit are improved. Also provided is an apparatus for controlling an anti-yaw damper.

Growing community of inventors

Shandong, China

Xu Wang