In a method for determining the elongation of segments of a chain of a chain drive during operation, a plurality of measured values is determined at different positions of the chain. A plurality of length values is determined from the plurality of measured values and a position of the segments of the chain is determined. The length values are assigned to the segments of the chain, with the length of the segments of the chain being smaller than the length of the chain.

In a method for determining the elongation of segments of a chain of a chain drive during operation, a plurality of measured values is determined at different positions of the chain. A plurality of length values is determined from the plurality of measured values and a position of the segments of the chain is determined. The length values are assigned to the segments of the chain, with the length of the segments of the chain being smaller than the length of the chain.

In a method for determining the elongation of segments of a chain of a chain drive during operation, a plurality of measured values is determined at different positions of the chain. A plurality of length values is determined from the plurality of measured values and the length values are assigned to the segments of the chain, with the length of the segments of the chain being smaller than the length of the chain.

In a method for determining the elongation of segments of a chain of a chain drive during operation, a plurality of measured values is determined at different positions of the chain. A plurality of length values is determined from the plurality of measured values and the length values are assigned to the segments of the chain, with the length of the segments of the chain being smaller than the length of the chain.

A stacker crane includes a transporter, a slide fork, first to third sensors, a counter, and a main controller. The transporter moves from a shelf on which an article is supported to an empty shelf. The slide fork is mounted on the lift stage and transfers the article to and from the shelf. The first, second and third sensors recognize an abnormality of the article moved by the movement of the transporter. The counter counts the number of event occurrences. When an abnormality is recognized by the sensor, the main controller reduces a moving speed of the transporter, and when no abnormality is recognized by the sensor upon reduction in the moving speed, the movement of the transporter is continued. When the number of event occurrences reaches a first threshold, the stacker crane is brought into an abnormal-stop state.

A stacker crane includes a transporter, a slide fork, first to third sensors, a counter, and a main controller. The transporter moves from a shelf on which an article is supported to an empty shelf. The slide fork is mounted on the lift stage and transfers the article to and from the shelf. The first, second and third sensors recognize an abnormality of the article moved by the movement of the transporter. The counter counts the number of event occurrences. When an abnormality is recognized by the sensor, the main controller reduces a moving speed of the transporter, and when no abnormality is recognized by the sensor upon reduction in the moving speed, the movement of the transporter is continued. When the number of event occurrences reaches a first threshold, the stacker crane is brought into an abnormal-stop state.

Embodiments of this application disclose a mirror control method and device and a LiDAR, pertaining to the field of LiDAR. The method includes: outputting a control signal configured to control a mirror to scan; detecting a feedback signal of the scanning mirror; determining an actual amplitude gain of the mirror based on the feedback signal, and determining an error of the actual amplitude gain relative to a preset amplitude gain threshold; and determining a frequency adjustment based on the error, adjusting frequency based on the frequency adjustment, and obtaining an output signal. In the embodiments of this application, stability of a scanning angle of the mirror can be maintained when resonance frequency of the mirror deviates.

Embodiments of this application disclose a mirror control method and device and a LiDAR, pertaining to the field of LiDAR. The method includes: outputting a control signal configured to control a mirror to scan; detecting a feedback signal of the scanning mirror; determining an actual amplitude gain of the mirror based on the feedback signal, and determining an error of the actual amplitude gain relative to a preset amplitude gain threshold; and determining a frequency adjustment based on the error, adjusting frequency based on the frequency adjustment, and obtaining an output signal. In the embodiments of this application, stability of a scanning angle of the mirror can be maintained when resonance frequency of the mirror deviates.

Embodiments of this application disclose a mirror control method and device and a LiDAR, pertaining to the field of LiDAR. The method includes: outputting a control signal configured to control a mirror to scan; detecting a feedback signal of the scanning mirror; determining an actual amplitude gain of the mirror based on the feedback signal, and determining an error of the actual amplitude gain relative to a preset amplitude gain threshold; and determining a frequency adjustment based on the error, adjusting frequency based on the frequency adjustment, and obtaining an output signal. In the embodiments of this application, stability of a scanning angle of the mirror can be maintained when resonance frequency of the mirror deviates.

Examples disclosed herein relate to determining a manufacturing batch. In one implementation, the manufacturing batch relates to 3D printing. A processor may determine component parts of a product that. In one implementation, a processor determines a batch of the component parts related to different products based on a comparison to other potential batches.