Kaiwei Wu
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A Four-Chamber Multimodal Soft Actuator and Its Application Open
Soft robotics represents a rapidly advancing and significant subfield within modern robotics. However, existing soft actuators often face challenges including unwanted deformation modes, limited functional diversity, and a lack of versatil…
Theoretical and Experimental Research on Active Suspension System with Time‐Delay Control Open
Time‐delay significantly impacts the control system's performance and even leads to the unexpected instability of the control system. This paper aims at the adverse effect of time‐delay on the control effect and stability of the active sus…
Simulation and Experimental Research on Active Suspension System With Time-Delay Feedback Control Open
A 2-DOF vehicle active suspension system model with time-delay feedback control is established. The stability region of the time-delay active suspension system is obtained by using the Routh-Hurwitz stability criterion and polynomial discr…
Theoretical, Numerical and Experimental Research on Vibration Suppression and Energy Collection of Vehicle Active Suspension Based on Time-Delay Control Open
This paper, the impact of time-delay feedback control on vibration energy collection and damping performance is discussed. A time-delay control system of active suspension based on a 1/4 vehicle nonlinear model is designed. The linear moto…
Design and Research on Electro-Hydraulic Drive and Energy Recovery System of the Electric Excavator Boom Open
The hydraulic accumulator has the advantages of high power density, fast response, stable operation and high cost performance. However, compared with the electric energy storage method, the hydraulic accumulator has low energy density and …
Energy management strategy of a novel mechanical–electro–hydraulic power coupling electric vehicle under smooth switching conditions Open
To increase the transient power limit, and reduce the impact of operating condition changes on the electric vehicles’ powerful battery, it is essential to stabilize the working condition, enhance the vehicle’s dynamic performance and energ…
Theoretical and Experimental Research on Active Suspension System with Time-delay Control Open
Time delay has a great impact on the performance of the control system, and even leads to the unexpected instability of the feedback control system. Aiming at the adverse effect of time delay on the control effect and stability of active s…
An harmonic equivalent excitation method for random vibration response Open
Many loads on engineering structures had obvious randomness, such as earthquakes, wind, sea waves, uneven pavement, etc. The calculation and analysis of random vibration were complicated and inefficient, which has perplexed the development…
Prognostic classification based on random convolutional kernel Open
Assessing the health status (HS) of system/component has long been a challenging task in the prognostic and health management (PHM) study. Differed from other regression based prognostic task such as predicting the remaining useful life, t…
An optimal control method for time-delay feedback control of 1/4 vehicle active suspension under random excitation Open
Time-delay feedback control can effectively broaden the damping frequency band and improve the damping efficiency. However, the existing time-delay feedback control strategy has no obvious effect on multi-frequency random excitation vibrat…
Time-Delay Vibration Reduction Control of 3-DOF Vehicle Model with Vehicle Seat Open
Vehicles driving on the road continuously suffer low-frequency and high-intensity road excitation, which can cause the occupant feelings of tension and dizziness. To solve this problem, a three-degree-of-freedom vehicle suspension system m…
Vibration Control of Time-Varying Delay under Complex Excitation Open
The existing available research outcomes on vibration attenuation control for time-delay feedback indicate that, for the delay dynamic vibration absorber with fixed time-delay control parameters, under harmonic excitation, a good vibration…
Control and Stability Analysis of Double Time-Delay Active Suspension Based on Particle Swarm Optimization Open
With the application of an active control unit in the suspension system, the phenomenon of time delay has become an important factor in the control system. Aiming at the application of time-delay feedback control in vehicle active suspensi…
Research on vibration damping of semi-active suspension seats with time-delay based on simulated annealing particle swarm optimization Open
In order to improve the vehicle's driving comfort and handling stability, a design method based on simulated annealing particle swarm optimization with timedelay feedback control for a vehicle's semi-active seat suspension is proposed, the…
Reach on damping control and stability analysis of vehicle with double time-delay and five degrees of freedom Open
Suspension system is one of the important parts of a vehicle, which is used to buffer the impact of uneven road to the body and passengers, so the suspension system has an important impact on the safety and ride comfort of the vehicle. In …