103results about How to "Precise motion trajectory" patented technology

The invention discloses a four-wheel independent-drive mobile robot with an anti-shock function. The mobile robot comprises a controller, a chassis and at least four wheel assemblies mounted on the chassis. The chassis is used for bearing to-be-transported goods or mounting other apparatuses. Each wheel assembly comprises a wheel, a support, a drive motor, a hydraulic cylinder and a steering motor, wherein the drive motor and the wheel are mounted on the support, the drive motor drives the wheel to rotate, the support is mounted under the chassis through the hydraulic cylinder, and the steering motor is mounted on the chassis and can drive the support to rotate around the central axis of the hydraulic cylinder. The controller controls the drive motors, the steering motors and hydraulic pumps of the hydraulic cylinders. According to the mobile robot, each wheel is driven by the special motor to rotate and steer, so that moving of the mobile robot is more flexible, the controller controls the mobile robot more precisely, and the application occasion of the mobile robot is expanded.

An embodiment of the invention provides a track viewing method and device. The method comprises the following steps of obtaining multiple coordinate point data of a moving object, wherein each coordinate point datum comprises coordinate point position information and time information corresponding to the position information; generating a track of the moving object according to the position information of the multiple coordinate point data; obtaining an icon corresponding to the moving object; and representing the moving object with the icon, and according to the time information of the multiple coordinate point data, reproducing a motion process of the moving object on the track. The method is not used for simply displaying a track curve merely but reproducing, along the track curve, thereal motion process of the moving object; and in this way, even though a complicated path is met and abnormal points (namely repeated track points, such as a track interlaced point or a track overlapped point) are met in the track, a user can still clearly know a real running process, and thus, masters a precise movement track of the moving object.

The present invention provides a terminal for collecting traffic information and generating traffic information. The terminal generating a data set and transmitting the data set to a remote traffic information center, wherein the data set includs information about a measurement start point and a travel locus, periodically measured for a predetermined period from the start point, using DR information based on DR and GPS information. The start point includes a vehicle ID, and absolute coordinates and an absolute time at the start point, and the travel locus information includes relative coordinates of each measurement location with respect to a previous measurement location. A method for generating traffic information in a remote traffic information center using information collected from the terminal is also provided. Accordingly, the present invention can reduce the amount of data provided by the terminal to the remote traffic information center, and can generate high-precision traffic information even in an area in which the reception of GPS signals is not possible and GPS signals are weak.

The invention relates to a side somersault training device, which comprises a springboard and a side somersault training support frame, wherein the side somersault training support frame comprises a base framework, upright posts, ascending and descending rods, an upper transverse rod and a lower transverse rod; the upright posts are vertically arranged at the two sides; the ascending and descending rods are arranged in the upright posts; the upper transverse rod and the lower transverse rod are connected with two ends of the ascending and descending rods; two isosceles trapezoid frameworks with the intersected top ends are fixedly connected to the inner side of the upper transverse rods; one end extends to form a picking rod crank arm; the lower transverse rod is rotatably connected with a double-head crank connecting rod in a sleeving way; one end of the double-head crank connecting rod is in contact with a touch switch of the springboard; the other end of the double-head crank connecting rod is a clamp hook rotationally buckled with the lower transverse rod of an isosceles trapezoid framework; the lower transverse rod of the other isosceles trapezoid frame is provided with a spiral spring connected with a transverse post arranged in the middle of the upright posts. The side somersault training device has the advantages that the structure is simple; the moving tracks are precise; the action is specified; the use is safe and reliable; the action study time is reduced; the physical consumption of teachers is reduced; the action conditions of students are watched in a concentrated way; the training is guided; the teaching effect and quality are improved.

The invention provides a heel blood collector. The heel blood collector comprises an outer shell, a trigger key, a firing spring, a blood collecting execution component and a locking component, wherein the outer shell is composed of two half shell bodies, a knife outlet opening and a mounting notch are formed in the front and rear ends of the outer shell, respectively, and a guide limiting columnand a positioning column are arranged at the inner side of the first half shell body; the trigger key is arranged at the mounting notch and is connected with the shell in a manner of being capable ofmoving back and forth; the blood collecting execution component is composed of a knife rest and a blade, and a guide hole formed by front and back communication of a straight guide hole part and a round guide hole part is arranged in the middle of the knife rest; the blade is fixedly connected with the front end part of the knife rest; the firing spring is arranged between the trigger key and theknife rest; the locking component comprises a positioning arm and a torsional spring, the positioning arm and the torsional spring sleeve the positioning column coaxially, a hook head is arranged at the end part of the positioning arm, and a hook table is arranged at the other end of the rear part of the knife rest; one end of the torsional spring is connected with a hang column arranged on the positioning arm, and the other end of the torsional spring is connected with the outer shell. For the heel blood collector, the blood collecting painful feeling is reduced, and the stability of the blood collection amount is guaranteed.

The invention discloses a tracing-vector hierarchical storage mechanism for internet-of-things perception data. The storage of the internet-of-things perception big data is divided into two layers: a tracing storage layer and a vector storage layer. In the tracing storage layer, a simple and quick storage method is adopted for realizing efficient storage of original sampling data, and vector data is uploaded to the vector storage layer through vector fitting and updating policies. In the vector storage layer, through a vector sequence-based perception big data storage model and query and analysis methods, efficient processing of the perception big data is realized. A vector is defined as a state change mode of a monitored object; and a state of the internet-of-things monitored object lasts for a relatively long time according to a law generally, and the state, lasting for the relatively long time, of the monitored object can be described by using the vector, so that while the data precision is ensured, the data updating and storage costs of the vector storage layer are greatly reduced.

The invention relates to the field of single-foundation-pit short-distance pipeline excavation tunnel construction, in particular to a bilayer translation rack, a jacking walking device, a driving power device, a rotation device and a pipe-paving direction adjusting device and further comprises an optical guide device, a hoisting device, a hydraulic pump station and an electric appliance cabinet. Stability of the whole drilling rig is improved, structure of the whole drilling rig is improved, and jacking movement tracks are more accurate; the driving power device can be used for driving a drilling stem to rotate and can be used for efficient connection among sleeves, so that pipe paving efficiency is improved; the drilling rig is flexible in construction and high in construction accuracy; the drilling rig is suitable for various strata, diverse in function, convenient and safe to operate and control, low in equipment manufacturing cost, economical and practical.

The invention discloses an armored car protection shell. Side rods of the protection shell are connected with a base through fourth cylindrical pins. Second titanium alloy plates and third titanium alloy plates are welded to the side rods. Fifth cylindrical pins are welded into the rectangular space on the tops of the side rods. A rotary table fixing disc is welded to an armored car body. A rotary table is installed on the rotary table fixing disc and can rotate around the rotary table fixing disc. One ends of first hook joints are connected with side rods of the rotary table, and the other ends of the first hook joints are connected with hook rods. One ends of second hook joints are connected with the rotary table, and the other ends of the second hook joints are connected with the hook rods. According to the armored car protection shell, the battle mode of an armored car can be changed by opening or closing the protection shell so that the battling requirement on the battleground can be flexibly met.

The invention discloses a processing method of 3D printing sharp tracks. Motion track lines of each layer of 3D printing are arrays of multiple straight lines, the motion track lines are analyzed, andjudgment for a motion track sharp point is performed; the motion track lines are broken at the sharp point, and two multi-straight lines of the front and back motion track lines are obtained; the twomulti-straight lines are extended at the sharp point for a section respectively; the extended front and back motion track lines generate a new curve continously; the curve is converted into a multi-straight line to serve as a middle transition motion track line; and the 3D printing sharp track is replanned as follows: the front motion track line, the middle transition motion track line and the back motion track line, and a printing head on the middle transition motion track line does not perform discharging. By optimization of the printing motion path, deceleration, vibration and other conditions of a movement device in an actual movement process are reduced, the phenomenon of material accumulation at corners is avoided, and printing quality of 3D printing components is effectively improved.

The invention relates to the technical field of flexible mechanical arms, and discloses a control method for an adaptive dynamic programming flexible mechanical arm. The control method comprises the following steps: 1, a kinetic model of the flexible mechanical arm is built; 2, a controller based on a dynamic mode for the flexible mechanical arm is designed; 3, the angle movement of the flexible mechanical arm is controlled; 3.1, indefinite parameters of the flexible mechanical arm are subjected to analysis modeling; 3.2, angle displacement and rotation of the flexible mechanical arm are controlled; 3.3, the angle position vectors of joints of the flexible mechanical arm are controlled; and 3.4, intelligent angle space differences of the flexible mechanical arm are combined to control theposture of the flexible mechanical arm. By adopting the control method for the adaptive dynamic programming flexible mechanical arm, the control precision of the flexible mechanical arm is well improved; operation is simple and convenient; control time can be effectively shortened; and control efficiency is improved.

The invention discloses an energy-conversion-driven steerable three-wheel carbon-free trolley which comprises an energy conversion mechanism, a rear-wheel driving mechanism and a front-wheel steering mechanism. The rear-wheel driving mechanism is mounted at the rear end of a frame of the energy conversion mechanism through a driving fixing device of the rear-wheel driving mechanism, and the front end of the frame of the energy conversion mechanism is fixed to a steering fixing device of the front-wheel steering mechanism. By the above mode, the energy-conversion-driven steerable three-wheel carbon-free trolley is high in energy utilization rate, clear in moving track, low in processing and manufacturing cost, light in weight, stable and reliable in traveling and capable of adapting to avoid an energy-conversion-driven obstacle-crossing competition three-wheel carbon-free trolley with obstacles placed thereon at different intervals.

Provided is a lifting appliance for lifting and carrying a container. The invention relates to the empty container lifting appliance having high-performance tapered end mechanisms. The lifting appliance includes a carriage, a fixing arm, a left telescopic arm, a left floating arm, a right telescopic arm, a right floating arm and telescopic oil cylinders; each floating arm includes an oil cylinder, a tapered end, an address recognizing piece, a box-landing signal switch and the like, wherein one side of the tapered end is provided with a security protection mechanism, the security protection mechanism includes a guide seat, and the guide seat is internally provided with an upright movable lifting pin, one side of the top of the lifting pin is provided with a protruding-outward positioning block, the top of the lifting pin is provided with a blind hole, the blind hole is internally insertedly provided with a guide rod, and the guide rod is sleevedly provided with a spring. With adopting of the lock catch type fixing tapered ends and the security protection devices, on one hand, the shear-bearing capacity of lock catches is utilized to replace the screw thread pair bending resistant capacity, on the other hand, precision positioning of vice springs is utilized and the guide structure is optimized, so that the strength of the tapered end mechanisms is increased, and the security of the tapered end mechanisms is greatly improved.

An overvoltage and undervoltage tripper of a small-sized breaker solves the problem of complicated structure of an existing tripper and comprises a casing. The casing is provided with a control circuit board and a tripping driver inside. The tripping driver comprises a coil former, a movable iron core, a fixed iron core and an ejector rod, a rotation part is sleeved inside the casing, the ejector rod corresponds to the rotation part, the rotation part is provided with a connecting shaft, the connecting shaft penetrating through an arc groove on the casing to be connected with a lock catch of the breaker, the casing is provided with a guide mechanism, and the guide mechanism is matched with the rotation part. The overvoltage and undervoltage tripper of the small-sized breaker has the advantages that the motion manner of rotation of the single rotation part is created, tripping of the breaker is realized, transmission mechanism of an original tripper is simplified, size of the tripper can be reduced indirectly, assembling difficulty is reduced, and labor is saved. Furthermore, the lock catch can move in a unique and accurate track by the aid of the guide mechanism arranged on the casing.