This paper is concerned with the fault detection problem for the rotary steerable drilling tool
system under unknown vibrations and limited computational resources. Firstly, the drilling …

Sensor faults of the accelerometer system impact the efficiency and security of the drilling
process, so the sensor fault detection and isolation are significant. However, there are …

The rotary steerable drilling tools (RSDTs) are invented for high-precision wellpath control.
Fault diagnosis is essential for the RSDT as it can improve the reliability of the drilling …

The dynamic point-the-bit rotary steerable system (DPRSS) achieves high-performance
trajectory control in oil and gas exploitation. However, the sensor faults significantly degrade …

This paper addresses the problem of switching control for systems subject to external
disturbances that vary over multiple frequency ranges. Specifically, two different scenarios of …

This paper studies residual evaluation of fault detection in discrete‐time systems
considering unknown‐but‐bounded disturbance. By applying Lyapunov stability principle …

The dynamic point-the-bit rotary steerable system (DPRSS) is utilized to accomplish superior
control of the drilling trajectory in oil and gas operations. However, sensor faults may …

The attitude measurement of drilling tools is essential to the control of rotary steering drilling
tools. However, sensor faults seriously affect its measurement accuracy. Therefore, this …