6 results about "Threshold crossing" patented technology

The invention discloses an electric vehicle auxiliary ridge crossing method and system, a storage medium and a vehicle. Whether a user selects an auxiliary ridge crossing function or not is judged through an information entertainment system; the vehicle control unit judges whether the vehicle running state, the power battery state, the driving motor system state, the gear state, the accelerator pedal state, the brake pedal state and the current vehicle speed state meet the auxiliary threshold crossing function requirement or not, and only needs to utilize an existing system to collect data and judge the data; related switching instructions and control instructions are sent to the driving motor controller and the information entertainment system according to the judgment result, extra related structures do not need to be added, the control cost is low, and the control effect is good. Through data interaction among the whole vehicle controller, the driving motor controller and the information entertainment system, auxiliary ridge crossing of the vehicle is achieved, the vehicle is switched from the torque mode to the rotating speed mode, the controlled object is changed from the motor torque to the motor rotating speed, the vehicle runs more stably, and the user experience feeling is better.

The avionics computer, in particular a flight management system, comprises a processing unit configured to compare a first altitude with what is referred to as a threshold altitude, the first altitude corresponding to the altitude of a missed approach point relative to the runway, the threshold altitude being equal to the sum of a second altitude corresponding to the altitude of the runway and of a threshold crossing height, and to determine a terminal point that has an altitude equal to the threshold altitude and that forms, with the position of the missed approach point, a straight line segment that has a slope equal to the slope of the straight line segment defined by the missed approach point and a final approach fix, said terminal point being capable of being used as anchor point, the avionics computer thus having improved properties especially in terms of availability and robustness.

The invention discloses an automatic control method and system for a lifting type gate of an intelligent intercepting well, and relates to the field of automatic control of gates. Firstly, a smooth and reliable liquid level state is extracted from original measurement full of noise through preprocessing and Kalman filtering; on the basis, the future liquid level track is predicted in a short time, so that the system is endowed with foresight, and the system can insight the real change trend of the liquid level. Most importantly, a decision confidence coefficient dynamic evaluation mechanism is introduced, execution of a control action does not depend on threshold crossing of a single point any more, evidence accumulation that a track continuously meets conditions in a period of time needs to be predicted, and the action is triggered only when the confidence coefficient is high enough. The intelligent buffering mechanism effectively avoids frequent starting and stopping of the gate caused by transient fluctuation of the liquid level near the threshold value, and therefore the problem of control shaking is fundamentally solved.

This disclosure relates to the field of intelligent robot technology, and more particularly to a threshold-crossing method and a mobile robot. The method includes: controlling the mobile robot to move along a preset route; determining a target threshold based on map information of the mobile robot's current location; or, determining the target threshold based on environmental information along the mobile robot's current route; and adjusting the mobile robot's obstacle-crossing actions to the target threshold so that the mobile robot can cross the target threshold. This disclosure utilizes zoning information or environmental information to determine the target threshold, and adjusts the corresponding obstacle-crossing actions according to the actual situation of the target threshold, avoiding repeated trial actions that lead to low task execution efficiency or damage to the robot body, thereby improving the success rate of threshold crossing.

Disclosed is a network device (1) for packet switching in accordance with a bounded end-to-end delay. The network device comprises a plurality (11) of n first-in first-out, FIFO, queues, being servable in accordance with a round-robin based service policy and a fixed packet processing time (T). A respective queue of the plurality is associated with a bounded delay (Dmax) depending on the service policy of the plurality of queues and being a function of an adaptable buffer capacity (Be) of the respective queue. The network device further comprises a processor (12), being configured to determine a threshold crossing of an extent of reservation of the buffer capacity of the respective queue; and to adapt the buffer capacity of the respective queue in accordance with the determined threshold crossing. This enables network devices of a network to trade off QoS and capacity locally in a distributed manner, without a centralized controller.

This invention relates to the field of circuit board monitoring and fault diagnosis technology, and discloses a circuit board fault prediction method and system. The method includes collecting voltage and current signal data of the circuit board during operation, extracting time-series features to obtain a dynamic state change sequence; inputting the dynamic state change sequence into a preset support vector machine to obtain a state evolution trajectory, calculating the time point when the evolution rate changes abruptly, as the starting point of instability; calculating the amplitude intensity value of the starting point and judging the stability qualitative change trend; if a stability qualitative change trend exists, performing spectral decomposition on heterogeneous data sources to obtain a risk score for overall system instability; extracting state fluctuation features based on the risk score to determine the system safety boundary; if the state evolution sequence exceeds the system safety boundary, a potential threshold crossing occurs, generating a warning signal; extracting subtle feature sequences based on the warning signal to obtain the final stability assessment. This method can achieve accurate prediction of circuit board faults.