13 results about "Launch angle" patented technology

A remote launcher includes a base frame, a cradle, a cradle actuator, and a launch control system. The cradle is pivotably coupled to the base frame and includes one or more skids that are configured to receive and support an unmanned water-based deployable. The cradle actuator is coupled to the base frame and to the cradle. The launch control system includes a communication interface, a processor, and memory having instructions. The instructions direct the launch control system to receive, via the communication interface, one or more wireless launch signals and then, in response thereto, generate at least one cradle control signal to enable the cradle actuator to incline the cradle to a launch angle.

The invention provides a mechanical boomerang launching device and a using method thereof, and belongs to the technical field of boomerang launching. The launching device comprises a base, a rotating device, a dart body adapting device, a power output device and an angle adjusting device. A sliding rail, a descending groove and a buckle are arranged on the upper surface of the base, a plurality of grooves are formed in the lower surface of the base at intervals, and the grooves are matched with an angle adjusting device to achieve angle adjustment of the base. The rotating device is used for generating an angular velocity before the boomerang is launched; the dart body adapting device is used for installing and limiting the boomerang; the power output device is used for providing linear speed; the angle adjusting device is used for adjusting the launching elevation angle, and accurate setting of the launching elevation angle is achieved. Through mechanical angular velocity, linear velocity and launching angle control, the rotation success rate, launching stability and safety of the boomerang can be remarkably improved, and the boomerang is suitable for test and competitive occasions.

This invention discloses a high-speed parallel water entry experimental launching device and method for a vehicle, belonging to the field of hydrodynamic experiments. It includes a supporting base, a parallel controller, a parallel launching assembly, and a power unit. The parallel launching assembly is mounted on the supporting base via the parallel controller, and the power unit provides launching power and adjusts the water entry velocity. The parallel launching assembly includes a first launching device and a second launching device arranged side-by-side, enabling parallel launching of two projectiles and adjustment of the launching angle. The parallel controller includes a parallel control mechanism and a spacing adjustment mechanism. The parallel control mechanism ensures the relative parallelism of the first and second launching devices, while the spacing adjustment mechanism adjusts the launching distance between the first and second launching devices. This invention has a simple and practical structure, is easy to assemble, has high reliability and durability, and exhibits good repeatability and safety, providing experimental assurance for studying the hydrodynamic characteristics of structures at the moment of water entry.

According to the centering and leveling device for the anchor plate, through the combined design of the base part, the horizontal detection part and the laser emission part, high-precision centering and leveling in the anchor plate installation process are achieved. The base part can quickly and stably fix the device to a preset mounting point of an anchor plate, the horizontal detection part monitors the horizontal state of the device in real time to ensure that the levelness of the anchor plate meets the requirement, and the laser emission part accurately adjusts the emission angle of a laser emitter through an angle adjustment mechanism to enable laser to point to a preset target position, so that the accuracy of the device is improved. Therefore, accurate centering of the anchor plate is realized. The device has the advantages of being simple in structure, convenient to operate and high in adjusting precision, the construction efficiency can be remarkably improved, and errors caused by manual operation are reduced.

The invention discloses an anti-falling safety control method with field angle constraint. The anti-falling safety control method comprises the steps of control time sequence binding before launching, guide module initial value binding before starting control, attitude angle instruction amplitude limiting after starting control, control parameter serialization and rudder resource dynamic allocation. The control time sequence binding means that the starting control time of the aircraft is judged according to the initial launching angle, and when the launching angle is lower than a specific angle, the aircraft is advanced before engine ignition; the initial value binding of the guiding module before starting control refers to optimizing an attitude angle instruction according to a detector constraint, optimizing control parameters before and after thrust establishment, and preventing parameter jumping; the dynamic allocation of rudder resources refers to preferentially allocating the rudder resources of the pitching-off channel, and transition to rolling channel priority is performed after the falling risk is released, so that subsequent overload instruction access is facilitated. According to the method, the emission safety requirement and the detector constraint are comprehensively considered, the control time sequence and the initial control parameters are selected according to the emission state, the emission safety problem is solved, meanwhile, it is guaranteed that the detector normally locks the target, and the overall performance of the system is improved.

The utility model relates to a focusable laser output head comprising a tail end fixing module; one end of the middle adjustable module is connected with the tail end fixing module, the other end of the middle adjustable module is provided with a first adjusting part, and the first adjusting part is movably arranged in the full-length direction of the tail end fixing module; and the front-end adjustable module is arranged at the other end of the middle adjustable module, one end of the front-end adjustable module is fixedly connected with an adjusting part, the other end of the front-end adjustable module is provided with a lens group and a free lens, and the free lens is movably arranged in the full-length direction of the tail-end fixing module through a second adjusting part. According to the utility model, the middle adjustable module and the front-end adjustable module are arranged to freely select focusing to control the size of a light spot or adjust an emission angle, and the arrangement of the double adjustable modules enables the adjustment to be more accurate; compared with a traditional adjusting output head, the structure of the adjustable output head is more attractive.

The present application relates to the target tracking field, and particularly relates to a full-range point-to-point tracking modulated electronic beacon, which comprises a divergence angle light source A, a modulation monitoring circuit, a driving circuit and a divergence angle light source B; the divergence angle light source A or the divergence angle light source B is used for emitting a light source signal to a target tracking device; the driving circuit has two, which respectively controls the divergence angle light source A and the divergence angle light source B to open and close; the modulation monitoring circuit has two, which respectively connects with the corresponding driving circuit, is used for controlling the corresponding driving circuit to open and close, and monitors the voltage, current and power consumption information when the driving circuit works, and feeds back the coding information to the target tracking device. The divergence angle light source B is a laser light source, the emitting angle of which is small, and the energy density is concentrated, so that the target tracking device can receive enough optical signals when the flying device is in the final stage.

The application provides a mechanical boomerang launching device and a use method thereof, and belongs to the technical field of boomerang launching. The launching device comprises a base, a rotating device, a boomerang body adapting device, a power output device and an angle adjusting device. The upper surface of the base is provided with a sliding rail, a descending groove and a buckle, and the lower surface is provided with a plurality of grooves at intervals. The grooves are matched with the angle adjusting device to realize the adjustment of the angle of the base. The rotating device is used to generate an angular velocity of the boomerang before launching. The boomerang body adapting device is used to install and limit the boomerang. The power output device is used to provide a linear velocity. The angle adjusting device is used to adjust the launching elevation angle and realize the accurate setting of the launching elevation angle. The application can significantly improve the rotation success rate, launching stability and safety of the boomerang through the mechanical control of the angular velocity, linear velocity and launching angle, and is suitable for test and competition occasions.

The utility model discloses a variable-angle movable underwater pneumatic launching system capable of being installed outside a box, which comprises an experimental water tank, a movable sealing cabin door is arranged on one side wall of the experimental water tank, a movable guide rail group is arranged in the middle of the inner bottom of the experimental water tank, and a damping system is arranged at one end of the movable guide rail group. One end of the bottom of the movable sealing cabin door is connected with the corresponding position of the movable guide rail group, and the other end of the bottom of the movable sealing cabin door is connected with a detachable external mounting platform; a traction driving system is further installed on one side of the outer portion of the experiment water tank, and a launching unit can walk on the rails of the movable guide rail set through a steel wire rope and a guide pulley set. The system can be used for carrying out underwater launching experiments at different launching angles and different launching speeds, and investigating parameters such as the load, the moving posture, the acceleration and the flow field of the projectile out of water.

The application relates to the field of engineering measurement, in particular to a surveying instrument for construction pipeline arrangement, which comprises a two-way leveling assembly, a pipeline positioning assembly and a height adjusting device. The connecting plate of the two-way leveling assembly is adjusted by at least three adjusting pieces, so that the connecting plate can be kept horizontal. The pipeline positioning assembly is arranged on the connecting plate, can emit light and adjust the light emission angle to simulate the pipeline axis. The height adjusting device is used for adjusting the two-way leveling assembly to a set height. The adjusting piece can be a threaded rod or an electric telescopic rod. The pipeline positioning assembly has a rotating plate and other structures. The rotating plate is provided with a laser emitter and a communication positioning module. A bubble level is arranged on the connecting plate. The application can realize two-way leveling and accurate simulation of the pipeline axis, and effectively assist the construction pipeline arrangement measurement.

The invention relates to the technical field of unmanned aerial vehicle automatic control, in particular to an unmanned aerial vehicle automatic window breaking and fire extinguishing system and method.The distance between a building wall and a target position are accurately measured through an airborne laser radar and an image sensor, meanwhile, wind field data are collected in real time through a wind speed sensor, and a control system is based on a ballistic model; the launching elevation angle, the wind speed compensation amount and the recoil force influence are comprehensively calculated, launching parameters of the fire extinguishing bomb are dynamically adjusted, launching impact is counteracted through a buffering mechanism, and the flight stability is ensured.

Device that includes: at least one transmitter comprising a transmitting aperture (202A, 400A, 400B, 611) configured to provide at least one beam of a transmitted optical wave (714, 718) along a transmission angle to a destination (204), wherein the optical wave (714, 718) comprises at least one first section of the optical wave (714, 718); and two or more receivers (2402), wherein at least one receiver (2402) comprises: a receiving aperture (100, 202B, 612, 613) located near at least one of the transmitting apertures (202A, 400A, 400B, 611) or a receiving aperture (100, 202B, 612, 613) of a different receiver, an optical phased array within the receiving aperture (100, 202B, 612, 613), wherein the optical phased array is configured to receive at least one section of a collected optical wave (714, 718) arriving at the receiving aperture (100, 202B, 612, 613) along a respective collecting angle, characterized by the fact that the optical wave (714, 718) comprises a second section which has a different feature from a feature of the first section of the optical wave (714, 718) and, that the device further includes: a filter configured to filter the received section of the collected optical wave (714, 718) according to the characteristic of the first section of the optical wave (714, 718), and a detector (704) configured to provide a signal (2604) based on the filtered section of the collected optical wave (714, 718).