Abstract: Embodiments provided herein include systems and methods for determining a position of a materials handling vehicle. One embodiment includes determining a proximity of a vehicle to a proximate guidewire, determining a recent location of the vehicle, and determining a first dimension of a position of the vehicle based on a known location of a proximate guidewire. Some embodiments include engaging with the proximate guidewire, determining that only a subset of the plurality of transceiver anchors have line of sight to the vehicle, and receiving data from a first transceiver anchor and second transceiver anchor of the subset of the plurality of transceiver anchors. Some embodiments include determining a second dimension of the position of the vehicle based on the received data from the first transceiver anchor and the second transceiver anchor and determining the position of the vehicle from the first dimension and the second dimension.

Abstract: Embodiments provided herein include systems and methods for determining a position of a materials handling vehicle. One embodiment includes determining a proximity of a vehicle to a proximate guidewire, determining a recent location of the vehicle, and determining a first dimension of a position of the vehicle based on a known location of a proximate guidewire. Some embodiments include engaging with the proximate guidewire, determining that only a subset of the plurality of transceiver anchors have line of sight to the vehicle, and receiving data from a first transceiver anchor and second transceiver anchor of the subset of the plurality of transceiver anchors. Some embodiments include determining a second dimension of the position of the vehicle based on the received data from the first transceiver anchor and the second transceiver anchor and determining the position of the vehicle from the first dimension and the second dimension.

Abstract: Embodiments provided herein include a method that includes creating a temporal-based restriction zone for a covered environment that defines an area within which a materials handling vehicle must comply with a policy, defining the policy, and defining a first time that the policy applies. Some embodiments include determining a location and an orientation of the materials handling vehicle, determining from the location and the orientation, that the materials handling vehicle is approaching the temporal-based restriction zone, and determining whether a current time corresponds with the first time the policy applies.

Abstract: Embodiments provided herein include a method that includes creating a restriction zone policy for a plurality of covered environments that defines a first rule with a restriction range on a hypothetical materials handling vehicle that is located in a restriction zone in at least one of the plurality of covered environments, creating a first restriction zone for a first covered environment that includes defining a first location in the first covered environment of the first restriction zone, and associating the restriction zone policy with the first restriction zone, which includes defining a first value within the restriction range for the first rule. Some embodiments include applying the restriction zone and the restriction zone policy to the location in the first covered environment.

Abstract: Embodiments provided include a method that includes determining a location of a restriction zone, where the restriction zone includes a first edge and a second edge, providing a user option to independently define a first policy for a materials handling vehicle when crossing into the restriction zone via the first edge and a second policy for the materials handling vehicle when crossing into the restriction zone via the second edge, and receiving user input defining the first policy and the second policy. Some embodiments include determining a location and an orientation from the materials handling vehicle, determining from the location and the orientation, that the materials handling vehicle is approaching the restriction zone via the first edge or the second edge, and communicating first policy data related to the first policy to the materials handling vehicle. Some embodiments include in response to determining communicating second policy data related to the second policy to the materials handling vehicle.

Abstract: Embodiments provided herein include systems and methods for determining a two-dimensional position of a materials handling vehicle. One embodiment includes determining a position of a vehicle in a free range area of a covered environment, determining that the materials handling vehicle is entering an aisle in the covered environment, and in response to determining that the materials handling vehicle is entering the aisle, automatically enabling a second position system of the materials handling vehicle to determine a first dimension of the position using a vehicle sensor and determine a second dimension of the position using the vehicle transceiver receiving communications from a subset of transceiver anchors of the plurality of transceiver anchors. Some embodiments include utilizing the second position system to determine the position of the materials handling vehicle from the first dimension and the second dimension.

Abstract: Embodiments provided herein include systems and methods for utilizing shaped detection fields. One embodiment of method includes receiving data from a materials handling vehicle in a covered environment, determining, from the data, a vector of movement of the materials handling vehicle, and determining, based on the vector of movement of the materials handling vehicle, a shaped detection field. Some embodiments include implementing the shaped detection field for the materials handling vehicle, detecting an object that encroaches on the shaped detection field, and sending information to the materials handling vehicle to alter operation of the materials handling vehicle to move the materials handling vehicle such that the object is out of the shaped detection field.

Abstract: Embodiments provided herein include systems and methods for determining a position of a vehicle in a covered environment. The method may include monitoring the position of the vehicle in a free range area of the covered environment using a first data weighting that primarily favors data received from the plurality of transceiver anchors, and determining the position of the materials handling vehicle via a second data weighting. The second data weighting may include determining a first dimension of the position of the materials handling vehicle based primarily on data generated by the one or more vehicle sensors, receiving data from a subset of transceiver anchors of the plurality of transceiver anchors, and determining a second dimension of the position of the materials handling vehicle primarily based on the received data via the vehicle transceiver.

Abstract: Embodiments provided herein include systems and methods for providing a zone. One embodiment includes a materials handling vehicle in a covered environment that includes a vehicle transceiver for detecting a location of the materials handling vehicle in the covered environment, a vehicle sensor for detecting an orientation of the materials handling vehicle and a vehicle computing device. The system may include a remotely located computing device that includes a processor and a memory component that stores logic that, when executed by the processor, causes the system to determine that the materials handling vehicle is approaching a restriction zone and provide to the materials handling vehicle a distance to the restriction zone and a policy of the restriction zone, where the system determines, based on the policy and the first adjustment, a distance to begin the first adjustment to comply with the policy at the entrance edge of the restriction zone.

Abstract: Embodiments provided herein include systems and methods for location-based field shaping. One embodiment of a system includes a materials handling vehicle and a computing device that are configured to receive location data via at least one of the plurality of transceiver anchors, receive sensor data from at least one sensor related to the characteristic of operation of the materials handling vehicle, and determine a first location of the materials handling vehicle in the covered environment. Some embodiments may be configured to determine a vector of movement of the materials handling vehicle, determine a shaped detection field for the materials handling vehicle from the vector of movement, and detect an object that encroaches on the shaped detection field. Some embodiments may be configured to send information to the materials handling vehicle to alter operation of the materials handling vehicle to reduce a likelihood of collision with the object.

Abstract: Embodiments provided herein include systems and methods for orienting a materials handling vehicle. Some embodiments of a system may include a materials handling vehicle that includes a single ultra wide band (UWB) antenna and at least one vehicle sensor and a computing device. The computing device may cause the system to receive data related to a first plurality of locations of the materials handling vehicle, determined via the UWB antenna, determine, from the data, a first initial orientation of the materials handling vehicle, and receive vehicle sensor data from the at least one vehicle sensor on the materials handling vehicle. Some embodiments may be configured to determine an updated vehicle orientation and an updated vehicle location, based on the data and the vehicle sensor data and provide a user interface that includes a depiction of the materials handling vehicle in the updated vehicle orientation and the updated vehicle location.

Abstract: A method for scheduling processing of an instrument. The method receives instrument information, selects an instrument category for the instrument based on the instrument information, the selected instrument category having a calculation set, assigns the instrument to a job corresponding to the calculation set of the selected instrument category; and sends the job to a computing resource. In another aspect, the method also receives a purpose identifier, and chooses the calculation set from two or more calculation sets of the selected instrument category based on the purpose identifier. In another aspect, the calculation set includes two or more calculation sub-sets, each calculation sub-set having a job priority, and the method includes assigning the instrument to two or more jobs corresponding to each of the two or more calculation sub-sets.

Abstract: A method for scheduling processing of an instrument. The method receives instrument information, selects an instrument category for the instrument based on the instrument information, the selected instrument category having a calculation set, assigns the instrument to a job corresponding to the calculation set of the selected instrument category; and sends the job to a computing resource. In another aspect, the method also receives a purpose identifier, and chooses the calculation set from two or more calculation sets of the selected instrument category based on the purpose identifier. In another aspect, the calculation set includes two or more calculation sub-sets, each calculation sub-set having a job priority, and the method includes assigning the instrument to two or more jobs corresponding to each of the two or more calculation sub-sets.

Abstract: A method for scheduling processing of an instrument. The method receives instrument information, selects an instrument category for the instrument based on the instrument information, the selected instrument category having a calculation set, assigns the instrument to a job corresponding to the calculation set of the selected instrument category; and sends the job to a computing resource. In another aspect, the method also receives a purpose identifier, and chooses the calculation set from two or more calculation sets of the selected instrument category based on the purpose identifier. In another aspect, the calculation set includes two or more calculation sub-sets, each calculation sub-set having a job priority, and the method includes assigning the instrument to two or more jobs corresponding to each of the two or more calculation sub-sets.

Abstract: A method for scheduling processing of an instrument. The method receives instrument information, selects an instrument category for the instrument based on the instrument information, the selected instrument category having a calculation set, assigns the instrument to a job corresponding to the calculation set of the selected instrument category; and sends the job to a computing resource. In another aspect, the method also receives a purpose identifier, and chooses the calculation set from two or more calculation sets of the selected instrument category based on the purpose identifier. In another aspect, the calculation set includes two or more calculation sub-sets, each calculation sub-set having a job priority, and the method includes assigning the instrument to two or more jobs corresponding to each of the two or more calculation sub-sets.

Abstract: A filter system for filtering water and/or wastewater which includes an underdrain system having a plurality of laterals that are anchored to the floor of a filter by a hold-down assembly. Preferably, the hold-down assembly does not rely on grout or other substance that is applied in a viscous or semi-viscous state and subsequently hardened as the primary means for connecting the underdrain laterals to the floor of the filter. Preferably, the hold-down assembly includes hold-down clips that can move relative to an anchor assembly and corresponding underdrain blocks so that the hold-down clips can cooperate with any desired portion of the corresponding underdrain blocks.

Abstract: A filter system for filtering water and/or wastewater which includes an underdrain system having a plurality of laterals that are anchored to the floor of a filter by a hold-down assembly. Preferably, the hold-down assembly does not rely on grout or other substance that is applied in a viscous or semi-viscous state and subsequently hardened as the primary means for connecting the underdrain laterals to the floor of the filter. Preferably, the hold-down assembly includes hold-down clips that can move relative to an anchor assembly and corresponding underdrain blocks so that the hold-down clips can cooperate with any desired portion of the corresponding underdrain blocks.

Abstract: A flume for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas and/or a combination of liquid and gas. The flume includes a chamber having a top wall, a bottom wall, a left sidewall and a right sidewall. The chamber is adapted to receive a liquid, a gas and/or a combination of liquid and gas. Preferably, the flumes includes at least a first inner wall and a second inner wall. Each of the first inner wall and the second inner wall are preferably free of any orifices. The first inner wall is positioned relative to the second inner wall such that an open space is formed between the first inner wall and the second inner wall. The open space creates a first liquid/gas interface upstream of the first inner wall and the second inner wall and a second gas/liquid interface downstream of the first inner wall and the second inner wall when gas and liquid are present in the chamber.

Abstract: A pretreatment unit and associated method for pre-treating filter media used to filter water or wastewater prior to installation in a filter. Preferably, the pretreatment unit includes a pretreatment chamber for temporarily storing and pre-treating filter media prior to installation of the filter media in a filter. The pretreatment chamber has a liquid distribution system for distributing liquid through the filter media at a sufficient velocity to remove fines or other unwanted material from the filter media. The washing liquid may be super chlorinated to sterilize the filter media. The pretreatment unit also includes a collector for collecting fines or other unwanted material removed from the filter media. Preferably, at least a portion of the collector is disposed in the pretreatment chamber. The pretreatment unit further includes a filter media discharge port for discharging filter media treated in the pretreatment chamber.

Abstract: A fluid distribution system for directing fluids through a filter system. The fluid distribution system ensures proper distribution of fluids during the process of filtering as well as the process of washing a filter bed. The fluid distribution system may be used with numerous filter systems including but not limited to an upflow filter, a downflow filter, a combined upflow/downflow filter and/or multiple downflow filters connected in series.