payload release mechanism for drones

Herein, the termmulticopter refers to any rotorcraft having more than two rotors, and the term helicopter refers to rotorcraft having two rotors. Medical support may not be required at such emergency situations (e.g., when police are sent to the scene of a non-violent crime). Well, very simple! Other examples are possible. For instance, image data from a camera on the UAV and/or on the payload itself could be analyzed to determine when the payload has reached the ground. For example, delivery of prescription medications by non-physicians may be strictly regulated, even in emergency situations. as the payload is being lowered from the UAV. Blade-pitch adjustment may be particularly useful for rotorcraft with substantial inertia in the rotors and/or drive train, but is not limited to such rotorcraft. 2014863900, Ref document number: In such an embodiment, the function of detecting the at least one release indication may involve determining that the payload is within a threshold distance from the ground. [00214] The particular user-account may be determined in various ways. [00170] Configured as such, a UAV 900 may provide medical support in various ways. Specifically, a UAV 100 may evaluate new information that is acquired while lowering the payload towards the ground in order to determine whether to adjust or deviate from the VDRP. Other examples are also possible. [00178] In some embodiments, a UAV 900 could include an integrated system or device for administering or assisting in the administration of medical care (e.g., a system or device having one or more components that are built in to the structure of the UAV itself). the form of various types of UAVs. on the available information. which a bystander could communicate with a live remote operator (e.g., a medical professional at a remote location), in order to receive instructions for using the AED. In particular, method 300 may be implemented by a computing system of a UAV in order to determine a variable deployment-rate profile and use the variable deployment-rate profile to deliver a payload while hovering above the delivery location. Conclusion. $149.00. To do so, the navigation module 915 may control the altitude and/or direction of flight by controlling the mechanical features of the UAV that affect flight (e.g., rotors 410 of UAV 400). As such, the control system may include or otherwise provide a user interface (UI) 803 via which a user can access and/or control UAVs 804. Then, at block 306, the computing system detects at least one predetermined release indication, which indicates that the payload is at or near to the ground. The aircraft begins the launch system stationary on the angled and inclined rails and launches by sufficiently increasing the speed of the propeller to generate forward airspeed along the incline of the launch system. [0010] In yet another aspect, an example system may include: (a) means for A non-transitory computer readable medium having stored therein instructions executable by a computing device to cause the computing device to perform functions comprising: determining a variable deployment-rate profile for deployment of a payload from an unmanned aerial vehicle (UAV), wherein a line couples the payload to the UAV; causing a line-deployment mechanism to operate according to the determined variable deployment-rate profile to lower the payload towards the ground, wherein the variable deployment-rate profile is such that the deployment rate of the line varies while the payload is being lowered to the ground; detecting at least one release indication that indicates that the payload is at or near to the ground; and. For example, a medical-support system could identify a medical situation such as the occurrence of a heart attack, a stroke, an anaphylactic shock, a broken bone, heat stroke, or any of a large number of other medical situations. Further, some non-emergency situations to which a police car, fire truck, ambulance, or the like might be dispatched, may also be considered a medical situation for purposes of this disclosure. For example, a UAV control center at a remote location could determine a VDRP for a UAV, and communicate the determined VDRP to the UAV via a wireless communications link. 23. To do so, multicopter 400 may increase or decrease the speeds at which the rotors 410 spin. 2014353522, Country of ref document: As such, an illustrative medical-support system 800 may be configured to identify or classify the particular type of medical situation that is occurring, to select the appropriate UAV from those that are available, and to dispatch the selected UAV to the scene of the medical situation. Other differences between a higher and lower service level are also possible. The communications systems 920 may include one or more wireless interfaces and/or one or more wireline interfaces, which allow UAV 900 to communicate via one or more networks. Illustrative embodiments may also include or be implemented in conjunction with other types of medical and/or non-medical payloads. [00133] In some embodiments, a person may associate one or more of their devices with their user-account, such that they can be provided with access to the services of medical- support system 800. by using inertial navigation systems [INS] using satellite radio beacon positioning systems, e.g. In the illustrated example, the tail-sitter UAV 500 has fixed wings 502 to provide lift and allow the UAV to glide horizontally (e.g., along the x-axis, in a position that is approximately perpendicular to the position shown in Figure 5). The method of claim 14, wherein determining the variable deployment-rate profile further comprises determining at least one hovering height for the UAV. for that frequency and navigate accordingly. However, a GPS signal may only get a UAV so far, e.g., to the stadium. For example, a body-monitoring device may detect a possible medical situation, such as a stroke or heart attack, and automatically notify a medical support system. Since the amount of line that has been let out may be proportional to the number of rotations of the winch, the length of the line that has been let by the winch may be calculated based on the number of rotations of motor that powers the winch. Attach the security gear to the payload release mechanism, fly out to planned location, watch the terrain in real time, or a person in water, and drop the payload on target. UAV 900 may then send such test results and/or such information provided by a bystander to medical and/or emergency personnel. [00119] In a further aspect, a remote device 806 may be configured to determine and/or provide an indication of its own location. In some embodiments, an access system 802 may be a computing system that allows for human-controlled dispatch of UAVs 804. Methods for Determining a Variable Deployment-Rate Profile. More generally, the embodiments described herein are not meant to be limiting. These are but a few examples of the different types of movement that can be accomplished by independently or collectively adjusting the RPM and/or the direction [0060] In an example embodiment, the UAV 100 may dynamically determine the variable deployment-rate profile that should be used for the particular situation in which the UAV is lowering its payload towards the ground. For instance, a UAV may include wireless communication capabilities that allow remote medical personnel to assist those at the scene. [00136] Figure 9 is a simplified block diagram illustrating components of a UAV 900, according to an example embodiment. The UAV or another entity may also take into account weather conditions at the delivery location when determining the desired hovering height for a variable deployment-rate profile. In other cases, a variable deployment-rate profile may indicate more discrete adjustments to friction (e.g., braking adjustments) and thus to descent rate. As a specific example, an operator may use an access system to dispatch a UAV 804 to the scene of a medical situation. Further, UAV 900 may include components and features that are not explicitly shown, such as components and features of the UAVs 100 and 200 shown in Figures 1A-B and 2A-C. [00137] UAV 900 may include various types of sensors, and may include a computing system configured to provide the functionality described herein. sickness. [0096] For example, at a launch site, tail-sitter UAV 500 may be positioned vertically (as shown) with fins 504 and/or wings 502 resting on the ground and stabilizing the UAV in the vertical position. For example, a microcontroller may change the desired operating rate according to a variable deployment-rate profile and/or in response to other factors in order to change the rate at which the payload descends towards the ground. Further, in some embodiments, wiring for communications between the payload and the UAV may be enclosed in the line 102 that is used to lower the payload 108 to the ground. Fire stations may function well for UAV dispatch, as fire stations tend to be distributed well with respect to population density, their roofs tend to be flat, and the use of firehouse roofs as leased spaces for UAV dispatch could further the public good. For example, the UAV 900 may be configured for short-range communications using Bluetooth and for long-range communications under a CDMA protocol. Illustrative Components of a Medical-Support UAV. [00188] F. Identifying a Remote Medical Situation. [00103] Rather than using a hand launch procedure in which the person launching the vehicle is exposed to risk from the quickly spinning propellers, a stationary or mobile launch More specifically, an illustrative UAV or remote control system for a UAV may determine a variable deployment-rate plan (VDRP) for letting out a line with an attached payload. [00185] In a further aspect, an example UAV may be configured to fly from a launch site to a delivery location. according to an example embodiment. by navigating independently from ground or air stations, e.g. the particular implementation. However, in other cases, the service level may be that of someone other than a person in need of medical care. An unmanned aerial vehicle (UAV) comprising: a line-deployment mechanism coupled to the housing and a line, wherein the line- deployment mechanism is controllable to vary a deployment rate of the line; a payload-release mechanism that couples the line to the payload, wherein the payload -release mechanism is configured to release the payload from the line; and. Configured as such, the UAV 900 may facilitate data communications that the remote support device would otherwise be unable to perform by itself. For example, UI 803 may allow an operator to specify certain details related to the medical situation to which the UAV is being dispatched. [0077] As noted above, block 306 of method 300 involves the UAV detecting at least one predetermined release indication, which indicates that the payload is at or near to the For example, when payload 108 is lowered via a line 102, the payload may act as a pendulum hanging from the UAV, and thus may have a tendency to swing back and forth thru an arc due to wind and/or horizontal movement of the UAV, for instance. [0068] As a specific example, when the payload 108 is nearing the ground, UAV 100 could move upward while the line 102 is let out at a constant rate, in order to cushion the landing of payload 108. [00161] In an alternative arrangement, a navigation module may be implemented at a remote computing device, which communicates wirelessly with the UAV. The medical-support system may then determine a service level for the particular user-account, and use the service level as a basis to select the UAV. In this scenario, a medical-support system may dispatch a UAV to the location of the EMT or paramedic in order to deliver medical supplies to the EMT or paramedic, so that they can take them with them to the scene of the medical situation. In particular, the UAV 100 may be configured to detect certain emergency situations, such the line 102 and/or payload getting stuck (e.g., in a tree), and to automatically cut the line when such an emergency situation is detected. [00167] In a further aspect, UAV 900 may include power system(s) 921. During flight to a delivery location, the payload 208 may be held in place a line-deployment mechanism, which in this case may be retractable features 214. Further, it is contemplated that other types of line- deployment mechanisms may also be attached to the payload. [0007] In another aspect, an example method may involve: (a) determining, by a computing system, a variable deployment-rate profile for deployment of a payload from an unmanned aerial vehicle (UAV), wherein a line couples the payload to the UAV, (b) the computing system causing a line-deployment mechanism to operate according to the

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