Vehicle guidance via infrared projection

Abstract

To provide a system for guiding a vehicle.SOLUTION: A system includes a plurality of paths on a surface, each path defined by a light projection characteristic of a respective light projection defining the respective path. The system also includes a vehicle. The vehicle includes a sensor configured to detect the light projection characteristic of each of the plurality of paths and a controller configured to guide the vehicle along the respective path using the light projection characteristic that matches an expected light projection characteristic assigned to the vehicle.SELECTED DRAWING: Figure 1

Description

Technical Field

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[0001] The present disclosure generally relates to the field of vehicle guidance. Specifically, embodiments of the present disclosure relate to vehicle guidance based on the use of infrared projection.

Background Art

[0002] This section is for introducing readers to various aspects of technologies that may be related to various aspects of the present disclosure described below. This discussion is considered useful in showing readers the background situation and facilitating a better understanding of various aspects of the present disclosure. Therefore, it should be understood that these descriptions are not to be regarded as an admission of prior art, but should be read from the above perspective.

[0003] An amusement park includes various rides that provide a unique experience for each amusement park guest. Generally, an amusement park adds additional capacity to handle more guests by adding large-scale attractions such as rides and shows. However, even adding conventional rides without further strategies may be insufficient to address guest traffic problems or attract enough guest interest to provide an advantage over competing companies. With the sophistication and complexity of modern attractions, and the accompanying increase in expectations among corresponding amusement park and / or theme park guests, there is a need for improved, more creative attractions that include attractions that provide a unique guest experience. Furthermore, safety is the top priority in the implementation of these improved attractions. Mechanical safety mechanisms may wear out, requiring the attraction to be repaired early.

Summary of the Invention

Means for Solving the Problems

[0004] The following summarizes several embodiments that fall within the same scope as the subject matter of the original claims. These embodiments are not intended to limit the scope of the disclosure, but rather to outline some of the disclosed embodiments. In practice, the disclosure may include a variety of forms that are similar to or different from the embodiments shown below.

[0005] In one embodiment, a system for guiding a vehicle is provided. The system includes multiple paths on a surface, each path defined by an infrared projection configured to be read by an infrared camera mounted on the vehicle. The system also includes a vehicle. The vehicle includes an infrared camera / sensor mounted on a frame at a height sufficient to view the road in front of, behind, and / or around the vehicle. The vehicle includes a controller configured to guide the vehicle along each path based on the features of the infrared projection detected by the sensor.

[0006] In another embodiment, a system for guiding vehicles is provided. The system includes multiple paths on a surface, each path being defined by an infrared projection formed from an infrared laser diode mounted on a structure (e.g., the ceiling and / or walls of an attraction). In some cases, the diode can be placed quite far away from the attraction as needed (since laser light travels quite far in a parallel manner). The system also includes multiple vehicles. Each of the multiple vehicles also includes an infrared camera / sensor mounted on a frame at a height sufficient to view the road in front of, behind, and / or around the vehicle, and a controller configured to guide the vehicle along each of the multiple paths based on the characteristics of the infrared projection of each of the multiple paths detected by the sensor. For example, different paths may include different infrared patterns such as dots, dashed lines, lines, or other identifiable markings on the moving surface. Each of the multiple vehicles can identify the correct path based on these identifiable markings of the various paths.

[0007] Another embodiment provides a vehicle guidance method. The method includes, in a vehicle controller, acquiring infrared projections on a moving surface to guide the vehicle along a path, the path being one of a plurality of paths on the moving surface, each of the plurality of paths being defined by one or more infrared projections observable by an infrared camera mounted on the vehicle. The method further includes detecting characteristics related to one or more infrared projections via sensors on the vehicle, and guiding the vehicle along one of the plurality of paths via the controller based on the characteristics detected by the sensors.

[0008] A better understanding of these and other features, aspects and advantages of this disclosure will be gained by reading the following detailed description while referring to the attached drawings, which indicate the same parts throughout with the same reference numerals. [Brief explanation of the drawing]

[0009] [Figure 1] This is a schematic diagram of an embodiment of a ride vehicle guidance system for an entertainment attraction that automates guidance using infrared projection, according to an aspect of the present disclosure. [Figure 2] This figure shows an embodiment of an amusement park environment utilizing the vehicle guidance system of Figure 1, according to an aspect of this disclosure. [Figure 3] This figure shows an embodiment of an amusement park environment utilizing the vehicle guidance system of Figure 1 (for example, including multiple vehicles) according to an aspect of the present disclosure. [Figure 4] This figure shows some embodiments of paths having different characteristics, as shown within line 4-4 in Figures 2 and 3, according to an aspect of the present disclosure. [Figure 5] This figure shows a partial embodiment of a path having symbols or markings in infrared projection, as shown within line 4-4 in Figures 2 and 3, according to an aspect of the present disclosure. [Figure 6] This figure shows some embodiments of paths having different characteristics, as shown within line 4-4 in Figures 2 and 3, according to an aspect of the present disclosure. [Figure 7]This is a flowchart of an embodiment of a vehicle guidance method in an entertainment attraction that utilizes the vehicle guidance system shown in Figure 1, according to an aspect of this disclosure. [Modes for carrying out the invention]

[0010] The following describes one or more specific embodiments of this disclosure. For the sake of brevity, this specification may not describe all features of the embodiments. It should be understood that in developing any such implementation found in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developer's specific objectives, such as compliance with system-related and business-related constraints, which may vary by implementation. Furthermore, while such development efforts may be complex and time-consuming, it should be understood by those skilled in the art who benefit from this disclosure that they are routine design, fabrication, and manufacturing activities.

[0011] Amusement parks feature a variety of entertainment options, including rides, shows, and games. Embodiments of this disclosure relate to a ride vehicle guidance system that uses infrared projection to perform automated vehicle guidance. While this description focuses on amusement park ride vehicle guidance, the system and technology can be used in a variety of applications, from robot guidance to road or other vehicle guidance. This description is not intended to limit the vehicle guidance system to amusement park ride guidance. Multiple paths can be arranged on a surface. Each path is defined by infrared projection (infrared light forming a specific path pattern, such as a specific shape and / or object of a recurring or non-recurring pattern (e.g., barcode, QR code®, etc.)). In some embodiments, each path generally includes projection characteristics that distinguish it from other paths, making each path distinguishable from the others. Each ride vehicle may be equipped with an infrared camera or sensor configured to detect the emitted infrared light constituting the infrared projection. The infrared projection may be invisible to the human eye due to the infrared light wavelength and therefore invisible to passengers on the vehicle or people waiting to board the vehicle. The paths can intersect. Multiple vehicles can also move along the paths simultaneously and pass each other. In some embodiments, passengers can change the vehicle's path via inputs provided to the vehicle. In some embodiments, the characteristics of the infrared projection can be changed along the path at different locations to change the vehicle's speed (e.g., accelerate, decelerate, stop) or to cause the vehicle to perform an action (e.g., spin). The unpredictability of the path makes the entertainment attraction unpredictable for passengers, enhancing the passenger experience.

[0012] Referring to the figure, Figure 1 is a schematic diagram of an embodiment of a ride vehicle guidance system 10 for an entertainment attraction that uses infrared projection to determine the guidance of a ride vehicle. As shown in the exemplary embodiment of Figure 1, the system 10 may include a vehicle 12 (e.g., a ride vehicle), a path projection system 13, and a ride controller system 14. In some embodiments, the system 10 may include multiple vehicles 12. The system 10 may be configured to be used with one or more infrared projections projected onto a moving surface (from the path projection system 13), where the infrared projections define one or more paths that the vehicle 12 should follow. The paths may be differentiated from one another based on the characteristics of the infrared projections. In some embodiments, each path may be defined by a different infrared projection than the infrared projections defining the other paths. In some embodiments, a particular path may include triggering characteristics (e.g., modified projections) at different locations along the path that trigger different actions that the vehicle 12 should perform. These different actions may include changes in speed (e.g., acceleration, deceleration, stopping, etc.), or other actions such as turning in place, activating show features, etc. In some embodiments, a particular route may include a central portion having a first characteristic and one or more adjacent portions (flanking portions) having different characteristics. These different portions can be used to identify how far the vehicle 12 has deviated from the route (e.g., the central portion) and / or to correct the course so that the vehicle 12 returns to the route. In some embodiments, marks and / or patterns (e.g., dots, dashed lines, lines, scales, barcodes, QR codes®, etc.) may be projected in or near the infrared projection to provide specific information (e.g., distance traveled, route information, speed, etc.) to the vehicle 12 and / or the vehicle controller system 14, or such marks and / or patterns may constitute the infrared projection. In some embodiments, these marks may indicate the validity of the route. For example, if a mark is not found despite being expected, it may indicate that the projection should not be trusted due to a false projection or guidance.

[0013] In some embodiments, the path projection system 13 may include a system of infrared laser diodes mounted on the ceiling or walls around the path, or optionally positioned quite far away from the attraction (as laser light travels quite far in parallel (i.e., for drone navigation applications)). The infrared laser emitters may be offset from the axis on the side of the path or positioned overhead to minimize occlusion that may result from set or other line-of-sight interference.

[0014] These laser diodes can project linear patterns of dots, dashed lines, lines, or other identifiable markings onto a moving surface. These diodes can be infrared (IR) laser pointers directed at regular intervals along the trajectory to indicate the center of the movement path. In another variation, an optical modifier can be included to extend the laser spot to infrared line segments. As a result, multiple line segments can be sequentially set along the movement path.

[0015] In another variation, an optical diffusion grating or waveguide can be placed within the optical path to generate a specific projection pattern (i.e., barcodes, multiple dots and dashes, QR codes®) on a target surface. For this purpose, optical fibers can also be used to guide a single light source in multiple directions simultaneously, reducing the number of required light sources and power sources.

[0016] In another variant, scanning microelectromechanical systems (MEMs) or digital micromirror devices (DMDs) can be used to actively scan out a desired programmable infrared light pattern onto the ground or a target surface. This technology enables fixed spatial patterning by projecting a known infrared pattern onto a moving surface or environment from one or more fixed out-of-field positions, eliminating the need for prior knowledge or extensive processing of data to derive positional information, such as in depth-based or LiDAR-based SLAM navigation systems.

[0017] The vehicle 12 may include one or more cameras / sensors 18 configured to detect infrared projections. The one or more sensors 18 may be positioned at a height sufficient to observe the moving surfaces in front of, behind, and / or around the vehicle 12 (e.g., the bottom and / or front of the vehicle 12).

[0018] Infrared pixel data from the camera / sensor 18 can be processed locally or remotely (depending on configuration, weight, power, and critical needs) to directly determine the adjustments required for the vehicle, or to transfer the data to another computer or PLC for further actions (i.e., Estop trigger, warning signaling, automatic course correction).

[0019] The vehicle 12 may also include a controller 20 configured to control the vehicle's operation. The controller may include a memory 22 and a processor 24 configured to execute instructions stored in the memory 22. In some embodiments, the memory 22 may store a set of expected characteristics that should be observed via the sensor 18 as the vehicle 12 is guided along a particular path. The memory 22 may also store additional characteristics that cause various vehicle actions (e.g., acceleration, deceleration, stopping, turning, show effect animations, etc.) when observed (or possibly when not observed). In some embodiments, the memory 22 may store the entire path and any characteristics or changes in the infrared projection associated with a particular path. The controller 20 may be configured to compare the expected characteristics (e.g., from the memory 22 and / or the vehicle controller system 14) with the infrared projection detected by the sensor 18 to identify guidance control of the vehicle 12 along a particular path. In some embodiments, this comparison may allow the controller 20 to make corrections to return the vehicle 12 to the path if it deviates from the path, or to perform other actions separately.

[0020] The controller 20 can control the vehicle 12 via a steering system 26 coupled to the wheels on the vehicle 12. The controller can also be coupled to an input device 12 on the vehicle 12. The input device 28 may include a touch screen, one or more buttons, a lever, or any other device. The input device 28 may allow passengers to provide inputs that result in route selection and / or modification. For example, the input device 28 may provide passengers with different options for scenarios (e.g., passing through a particular themed section, difficulty level of passage, etc.). The various inputs received via the input device 28 may relate to particular expected / assigned projection characteristics that the controller 20 uses when guiding the vehicle 12. In some embodiments, before the start of the ride, passengers may provide inputs that determine the initial and / or subsequent routes that the vehicle 12 will take. In some embodiments, passengers may provide inputs that change the route of the vehicle 12 during the ride (e.g., when the vehicle 12 encounters an intersection where the current route intersects with another route). In some embodiments, if the passenger does not provide input, the controller 20 can automatically determine the route (i.e., the expected / assigned characteristics to be used) for guiding the vehicle 12.

[0021] In some embodiments, vehicle 12 can follow one or more paths simultaneously, thereby inducing both translational and rotational movement of vehicle 12. In fact, in some embodiments, controller 12 can employ sensors 18 programmed to follow different projected paths. For example, a sensor 18 programmed to follow "Path 1" can be disposed at the front of vehicle 12, and a sensor 18 programmed to follow "Path 2" (e.g., a path having characteristics different from "Path 1") can be disposed at the rear of vehicle 12. Controller 20 can control the wheels of vehicle 12 located near the front of vehicle 12 and the wheels of vehicle 12 located near the rear of vehicle 12 to follow the projected paths corresponding to the tracking path 1 of sensor 18 and the tracking path 2 of sensor 18 (e.g., via steering system 26). In this way, the rotation of vehicle 12 can be encoded in the layout of the projected path.

[0022] These inputs can also bring about dynamic changes in the characteristics of the infrared projection. For example, if the input indicates a desire to increase the vehicle speed, the characteristics of the infrared projection can be changed to cause the vehicle control system 14 to increase the vehicle speed. For example, if the currently followed infrared projection includes points, but the dashed line projection indicates that the vehicle control system 14 should increase the speed, the point projection can be dynamically changed to a dashed line projection upon receipt of the input, and thus indicate to the vehicle control system 14 to increase the speed.

[0023] In some implementations, a path integrity checking system can be added to determine whether a path is blocked, damaged or interrupted, or has changed from an expected configuration. Any overhead camera set can be added, or the on-vehicle camera / sensor 18 itself can scan the forward path to determine whether the linear path looks as expected or has an unexpected interruption. Any anomalies can be reported to the control system as a fault or low reliability value.

[0024] In a variant using a projected barcode or other symbol, the system can determine whether any of the expected symbols are missing, whether the order is incorrect, or whether there is any misalignment / axial deviation due to drift, bumps or misalignment. The pattern itself can also enable this consistency determination. Repeating patterns, or optionally non-repeating patterns, can also be read, and the camera system itself can determine whether expected patterns such as dots and dashed lines are presented. Otherwise, an error or warning is issued, or measures are taken to correct the problem, or an Estop command is issued at that point.

[0025] Another modification that can be made to protect the system from unintentional infrared light source interference is to modulate the laser light source in accordance with the camera's frame rate, or to modulate the phase of the laser light source so that the sensor filters out unmodulated light sources such as the sun or other ambient lighting.

[0026] It may also be possible to achieve this by using standard theater Goes Before Optics (gobo) lighting to project an appropriately focused infrared light pattern onto the target surface through a physical mask instead. In fact, a gobo lighting fixture (e.g., a gobo changer, a slide projector type device) can be used to obtain a reference amount of real-time control of the projected pattern. This can reduce cost and complexity while enabling compliance with standard lighting installation, fixation, aiming and mounting procedures.

[0027] The controller 20 can also be coupled to a transceiver 30 configured to communicate wirelessly with other vehicles and / or vehicle controller systems 30 that may be present along the route. In some embodiments, the vehicle 12 can communicate its selected projection characteristics, position, speed, future changes in projection characteristics, and / or other information to other vehicles and / or vehicle controller systems 14 via the transceiver 30. In some embodiments, the controller 20 can receive the same information about other vehicles from the vehicle and / or vehicle controller system 14 via the transceiver 30. In some embodiments, the vehicle 12 can be autonomous from the vehicle controller system 14. In some embodiments, control of the vehicle 12 by the controller 20 can be disabled via the vehicle controller system 14.

[0028] The ride controller system 14 may include a controller 32 that controls one or more vehicles 12 within an amusement attraction. In some embodiments, the controller 32 may communicate a specific route used by a particular vehicle 12 (e.g., via a specific one or more projection characteristics). In some embodiments, the ride controller system 14 may provide the vehicle 12 with the entire route and any characteristics or changes in characteristics related to a particular route. In some embodiments, the ride controller system 14 may provide a particular vehicle 12 with information related to other vehicles (e.g., expected projection characteristics, position, speed, expected future changes in characteristics, and / or other information). The operation of a vehicle 12 related to a specific projection characteristic may already be stored in the vehicle 12 and / or provided to the vehicle 12 from the ride controller system 14. The controller 32 may be coupled to a transceiver 38 that enables wireless communication with the vehicle 12.

[0029] Each of the processors 20 and 32 may include multiple processors, one or more "general-purpose" microprocessors, one or more dedicated microprocessors, and / or one or more application-specific integrated circuits (ASICs), or any combination thereof. For example, each of the processors 20 and 32 may include one or more reduced instruction set (RISC) processors, advanced RISC machine (ARM) processors, advanced RISC-optimized (PowerPC) processors, field-programmable gate array (FPGA) integrated circuits, graphics processing units (GPUs), or any other suitable processing unit.

[0030] Each memory device 22 and 34 may include volatile memory such as random access memory (RAM), non-volatile memory such as read-only memory (ROM), flash memory, or a combination thereof. Each memory device 22 and 34 can store a variety of information that can be used for a variety of purposes. For example, each memory device 22 and 34 may store processor-executable instructions (e.g., firmware or software) that are executed by the respective processors 20 and 32, such as instructions for controlling the vehicle 12. The (one or more) storage device (e.g., non-volatile storage device) may include ROM, flash memory, hard drive, or any other preferred optical, magnetic or solid-state storage medium, or a combination thereof.

[0031] Figure 2 shows an embodiment of an amusement park environment utilizing the ride guidance system 10 of Figure 1. The illustrated vehicle 12 is as described in Figure 1. The vehicle 12, configured to hold one or more passengers, may include wheels 42 on the bottom 40 of the vehicle 12, which allow the vehicle 12 to move along a path 44 on a surface 46. The number of wheels 42 may vary. In some embodiments, the means for moving the vehicle may also vary (e.g., a track). The wheels 42 may be coupled to the steering system described above. The vehicle 12 may also include the sensors 18 described above on the bottom 40 (or other part).

[0032] As shown in the figure, multiple paths 44 can be projected onto the surface 46. Paths 44 may include straight sections and / or curved sections. The figure shows three paths 48 (solid), 50 (dashed), and 52 (dotted). The number of paths 44 may also vary. In some embodiments, a path 44 or a portion of a path 44 may be associated with a specific theme. In some embodiments, a path 44 or a portion of a path 44 may be associated with different thrill levels. For example, a less thrilling path may include more straight sections, slower speeds, and / or gentler curves. A more thrilling path may include more curved sections, faster speeds, sharper curves, and / or spins. Paths 48, 50, and 52 all intersect at points 54 and 56. Paths 48 and 50 also intersect at point 58. Each path 44 can be defined primarily by different projection characteristics, such as different projection patterns (e.g., dashed lines, dashed lines, dashed lines vs. dashed lines, dots, dashed lines), different projection shapes (e.g., first barcode vs. second barcode, or circle vs. square), different spacing between shapes, and different projection thicknesses. For example, the projection characteristics defining paths 48, 50, and 52 can each produce many different projection characteristics. One advantage of defining paths 44 using infrared projection is that the paths 44 can be easily changed on the surface 46 with little to no facility cost. For example, by activating different infrared sources, it is possible to create completely different sets of paths 44 or sets of characteristics for paths 44 that change the control of the vehicle 12. The vehicle can be in darkness or in a lit area.

[0033] At intersections 54, 56, and 58, combinations of convergence characteristics of route 44 can be emitted. The vehicle 12 controller can recognize these as convergence points, identify the characteristics beyond these points, discover the assigned route 44 beyond the intersection, and program the vehicle 12 to continue moving along the assigned route. In some embodiments, the vehicle 12 may change its route at intersections 54, 56, and 58 as programmed in the vehicle 12 controller, or based on input received from passengers and / or stored expected characteristic changes in the vehicle 12 controller. However, in some embodiments, the illumination of the projected route at intersections 54, 56, and 58 (e.g., route junctions) can be controlled so that the vehicle 12 does not necessarily have to decide which route to take upon arrival at or approaching intersections 54, 56, and 58. In other words, the vehicle 12 and the path projection system 13 can be communicated together so that the projection system 13 illuminates a portion of the vehicle 12's immediate path based on the vehicle 12's position, and deactivates a portion of the vehicle 12's path that is further away from the vehicle 12 (e.g., relatively far away). The path projection system 13 can also deactivate the illumination of other paths based on the vehicle 12's position (or other information). For example, a controller (e.g., controller 20 in Figure 1) can use the vehicle 12's position to determine whether the path projection system 13 illuminates and / or deactivates one or more projected paths (or one or more portions of one or more projected paths) at intersections 54, 56, 58. This ensures that the projected path programmed into the vehicle 12 is the only projected path observed by the sensor 18 at or near intersections 54, 56, 58. In this way, the vehicle 12 does not need to select from multiple paths at intersections 54, 56, and 58, thus simplifying the control system installed in the vehicle 12 (for example, the controller 20 in Figure 1). Furthermore, by enabling and / or deactivating the illumination of the projected paths at intersections 54, 56, and 58, it is possible to ensure that the two vehicles 12 are not in the same zone (for example, the "break zone").

[0034] Furthermore, if the vehicle 12 incorporates input from guests indicating their preferences for routes or route characteristics in determining the route it should take at intersections 54, 56, and 58, this input can be transmitted to the ride controller system (for example, the ride controller system 14 in Figure 1). In response to receiving the input, the ride controller system can project routes onto the route projection system 13 based on the input (e.g., guest preferences) and the rules of the attraction. In other words, the ride controller system can determine which routes should be in an activated (driven) state and / or deactivated state based on guest preferences and the rules of the attraction.

[0035] As shown in Figure 3, multiple vehicles 12 can also move simultaneously along a path 44 on a surface 46. The vehicles 12 and paths 44 are as described above. The figure shows three vehicles 60, 62, 64 and three paths 66, 68, 70. The number of vehicles 12 and paths 44 can also vary. Each vehicle 60, 62, 64 can move along its respective path 66, 68, and 70 based on the expected characteristics associated with its respective path. Vehicles 60, 62, and 64 can communicate with each other and / or with the vehicle controller system. Thus, vehicles 60, 62, and 64 and / or the vehicle controller system can recognize the position of other vehicles while in the vehicle. In some embodiments, vehicles 60, 62, and 64 can change paths 44 (as predetermined or in response to passenger input). In some embodiments, (e.g., the passenger's vehicle and / or the vehicle controller system) can also disable route changes by passenger input due to the position of other vehicles 12. In some embodiments, due to the position of other vehicles, a specific choice for passenger input may not be presented to the passenger. In some embodiments, vehicle 12 can be accelerated, decelerated, or stopped in response to the position of other vehicles, the lack of predictable characteristics in the infrared projection that vehicle 12 follows, or both. In some embodiments, multiple vehicles 12 can also travel along the same path 44.

[0036] Figure 4 shows some embodiments of a path 44 having different projection characteristics, as captured within line 4-4 in Figures 2 and 3. As shown in Figure 4, the path 44 may include a central portion 72. In this embodiment, the central portion 72 includes a first characteristic of a QR code® pattern for guiding the vehicle 12 along the path 44. The expected QR code® may vary along the path of the central portion 72 for added safety. This can help ensure that the pattern is not easily copied by unauthorized projection (e.g., from a vehicle user).

[0037] Multiple adjacent portions can be adjacent to the central portion 72. For example, a first adjacent portion 74 can be adjacent to the central portion 72, and a second adjacent portion 76 can be adjacent to both the central portion 72 and the first adjacent portion 74. The number of adjacent portions can also vary. In some embodiments, the first adjacent portion 72 can have both a left portion and a right portion, defined by a second characteristic that is different from the central portion 72, the second adjacent portion 76, and any other adjacent portion. Here, the first adjacent portion 72 includes a repeating circular pattern. The third adjacent portion 76 can have both a left portion and a right portion, defined by a second characteristic that is different from the central portion 72, the first adjacent portion 76, and any other adjacent portion. Here, the third adjacent portion 76 includes a repeating dashed line pattern.

[0038] In some embodiments, the characteristics of adjacent portions 74, 76 may relate to an indication (e.g., distance, percentage, etc.) of how far the vehicle 12 has deviated from the central portion 72. In some embodiments, the characteristics projected by adjacent portions 74, 76 may relate to commanding the vehicle 12 to correct toward the central portion 72 (e.g., correct to the left, correct to the right, etc.). In some embodiments, the characteristics projected by one or more inner adjacent portions may relate to an indication of how far the vehicle 12 has deviated from the central portion 72, and the characteristics projected by the outermost adjacent portion may relate to commanding the vehicle 12 to correct toward the central portion 72. In some embodiments, the characteristics projected by the outermost adjacent portion may relate to commanding the vehicle 12 to stop due to a deviation from the path 44. In some embodiments, the adjacent portions may have different widths. For example, the length of the central portion 72 may be wider than the first adjacent portion 74 and / or the second adjacent portion 76. Wider adjacent portions can be used to reduce false detections in parts of the vehicle where there are no nearby objects that could easily be struck. Furthermore, the use of relatively wide adjacent sections can be used in vehicles that allow guests to maintain control of the vehicle's operation (e.g., steering control) while keeping the vehicle within a safety zone (e.g., a specific lane) indicated by the adjacent sections of the path.

[0039] The path projection system 13 can project paths onto the ride floor of the attraction. The ride floor can be covered with projected paths 44 of patterns such as concentric circles of different radii, each having a different projection pattern corresponding to different restrictions. The attraction can allow guests to drive freely on the ride floor, but it can also impose certain restrictions (e.g., speed limits, time limits, boundary zones, etc.) based on the characteristics of the specific concentric circles occupied by the vehicle on the ride floor. Different projection patterns can be used to determine the position (or other information) of the vehicle on the ride floor.

[0040] Figure 5 shows a partial embodiment of a route 44 having a symbol or marking 78 adjacent to the route 44, as cut out within line 4-4 in Figures 2 and 3. As shown in Figure 5, the symbol or marking can be projected adjacent to the route 44 so that the vehicle 12 can detect it. As shown, the symbol or marking 78 can be a barcode. In some embodiments, the symbol or marking can be a scale, shape, number, pattern, QR code®, or any other type of marking. The symbol or marking 78 can convey information about the route 44 (e.g., distance traveled, route information, speed, etc.) to the vehicle 12 and / or the vehicle controller system.

[0041] Figure 6 shows a partial embodiment of a path 44 having different characteristics along its length, as captured within line 4-4 in Figures 2 and 3. As shown, a large portion of the path 44 (e.g., region 80) can be defined by a first characteristic (e.g., a diagonal pattern as shown here) for guiding the vehicle 12 along the path 44. Other regions along the path 44 may include different characteristics that can be associated with different control actions of the vehicle 12. For example, region 80 may project a diagonal pattern, while region 82 may project a double adjacent circle pattern. In some embodiments, the characteristic projected by region 82 may cause the vehicle 12 to rotate or perform some other action (e.g., bounce, tilt, etc.). In some embodiments, based on observation of this characteristic, the vehicle controller may trigger a show animation. In some embodiments, other regions (e.g., regions 84, 86) may provide other control actions related to the vehicle 12 (e.g., acceleration, deceleration, stopping, etc.). One or more regions similar to regions 84, 86 may be separated from or in contact with each other. These regions 84 and 86 may have different projection characteristics from each other and from region 80. Each region 80, 84, and 86 can control some characteristics of the vehicle 12. For example, each region 80, 84, and 86 may be associated with a specific speed of the vehicle 12. For example, region 80 may be associated with the normal speed of the vehicle 12 along the path 44, region 84 may be associated with a faster speed, and region 86 may be associated with an even faster speed. Alternatively, region 84 may be associated with a slower speed, and region 86 may be associated with an even slower speed. In some embodiments, the change in projection characteristics by the regions may have a gradual transition. For example, in some embodiments, regions 80, 84, and 86 may project different sizes of a common shape or pattern, where the shape or pattern represents a speed change (or other control type), and the size represents the magnitude of the speed change (or other control type). The path 44 may also include combinations of regions for both acceleration and deceleration of the vehicle 12.

[0042] Figure 7 is a flowchart of an embodiment of method 88 for guiding a vehicle 12 in an entertainment attraction utilizing the vehicle guidance system 10 of Figure 1. One or more steps of method 88 can be performed by the vehicle controller 20 and / or the vehicle controller system 14. One or more steps of method 88 can also be performed simultaneously and / or in an order different from the illustrated order. Method 88 may include acquiring infrared projection characteristics to guide the vehicle 12 along a path 44 (block 90). In some embodiments, the vehicle 12 may acquire multiple characteristics. For example, a first part of the vehicle may follow a first path having a first characteristic, and a second part of the vehicle may follow a different path having a different characteristic. Each vehicle 12 may be assigned a specific path (having a specific expected characteristic to discover and follow). The specific expected characteristic to be assigned can be obtained from the respective memories of the vehicle controller 20 and / or the vehicle controller system 14. In some embodiments, before the ride begins, passengers can provide input based on presented choices (e.g., theme, thrill level, etc.), and the input can relate to one or more specific expected characteristics associated with one or more routes 44. In some embodiments, if multiple vehicles are to be used during the ride, each vehicle 12 can acquire its own expected characteristics or set of expected characteristics to determine its respective route. In some embodiments, in the case of multiple vehicles, each vehicle 12 can acquire expected characteristics and / or other information about other vehicles and their respective routes before or during boarding. Based on the set of expected characteristics, some vehicles 12 can be commanded to ignore certain control characteristics, while other vehicles can be commanded to perform control actions when the same characteristics are detected. For example, one vehicle 12 can ignore a double adjacent circle pattern that typically commands vehicle 12 to spin, while another vehicle 12 can spin when such characteristics are observed.

[0043] Method 88 may also include detecting infrared projections on a moving surface in the vehicle 12 (block 92). Method 88 may further include detecting characteristics projected by the infrared projection via sensors on the vehicle 12 (block 94). For example, infrared projections can project specific patterns such as shape, size, thickness, or object.

[0044] Method 88 may include comparing the detected characteristic with an expected characteristic associated with the vehicle 12 (block 96). If the detected characteristic is the same as the expected characteristic, Method 88 may include guiding or moving the vehicle 12 along the path 44 and / or performing other control actions based on the matching expected and detected characteristics (block 98). For example, the control function of the vehicle 12 may indicate that when a particular characteristic is observed, the vehicle 12 should accelerate, tilt, spin, trigger a show feature, etc. Thus, when such a characteristic is observed, the vehicle 12 can start moving (e.g., via a vehicle controller).

[0045] If the detected characteristics differ from the expected characteristics, method 88 may include having the vehicle 12 take mitigating action. For example, in some cases, the observation of such a difference may indicate that the vehicle is on the wrong path 44. The vehicle 12 may be stopped and / or instructed to return to the correct path (for example, by activating an intermediate projection that the vehicle 12 follows to return to the correct path 44).

[0046] In some embodiments, method 88 may include receiving input from a passenger during the ride (block 102). The passenger may provide input based on presented choices (e.g., theme, thrill level, etc.), and the input may relate to one or more specific characteristics associated with one or more routes 44. In some embodiments, the input may relate to the same characteristics, and the vehicle 12 will maintain the same route. In some embodiments, the passenger input may relate to different characteristics that change the expected characteristics, and thus the route 44 that guides the vehicle 12 (block 104). In some embodiments, the input may change the characteristics that are projected along an already assigned route. For example, if the route currently being followed projects points, the projection may dynamically change to a dashed line.

[0047] While the embodiments described above relate to amusement rides, the same technology can be used for other applications. For example, these technologies can be applied to any automated guided vehicle (AGV). They can also be applied to moving elements in ride / show environments not designed for human transport. For instance, animated figures (such as walking robots) can move along paths with light projections using the same projection light navigation system described above. Furthermore, while the description has focused on infrared projection, other projections such as visible light projection can also be used. This description is not intended to limit the embodiments to amusement park rides or infrared projection.

[0048] While this specification illustrates and describes only some features of the Disclosure, many modifications and changes will come to mind for those skilled in the art. Therefore, it should be understood that the attached claims are intended to include all such modifications and changes in accordance with the true spirit of this Disclosure. The claimed technologies described herein refer to and apply to tangible objects and specific examples of a practical nature that are not abstract, intangible, or purely theoretical, but which certainly improve the art. Furthermore, if any of the claims attached to the end of this specification contain one or more elements designated as "...means for performing [function]" or "...steps for performing [function]," such elements should be interpreted in accordance with 112(f) of the U.S. Patent Act. On the other hand, any claim containing elements designated in any other form should not be interpreted in accordance with 112(f) of the U.S. Patent Act. [Explanation of Symbols]

[0049] 10. Vehicle guidance system 12 vehicles 13 Path Projection System 14. Vehicle Controller System 18 sensors 20 controllers 22 memory 24 processors 26 Steering System 28 Input devices 30 transceivers 32 controllers 34 memory 36 processors 38 transceivers

Claims

1. It is a system, A first projection on a surface having a first optical projection characteristic, A second projection projected onto the surface having a second optical projection characteristic different from the first optical projection characteristic, A vehicle including a sensor configured to detect the light projection characteristics projected onto the surface, Controller and A system equipped with, The first projection is, A first selective experience of the attraction, including a first location that provides a first attraction scenario, or The first thrill level of the attraction, determined by the first set of attributes of the first projection, Or both of these, It is configured to provide a first vehicle occupant experience, including, The second projection described above is, A second selective experience of the attraction, different from the first selective experience, including a second location that provides a second attraction scenario, A second thrill level of the attraction, which is different from the first thrill level, determined by the second set of attributes of the second projection, Or both of these, It is configured to provide a second vehicle occupancy experience, including The aforementioned controller, Receive input, Based on the input, select the desired vehicle occupant experience from the first vehicle occupant experience and the second vehicle occupant experience. Select the optical projection characteristics associated with the desired vehicle occupancy experience, Using the sensor, detect the matching light projection characteristics of the first projection or the second projection that match the selected light projection characteristics. The vehicle is controlled to conform to the matching light projection characteristics of the first projection or the second projection. It is configured in such a way. system.

2. A first vehicle positioned on the first projection, wherein a first controller is configured to guide the first vehicle along the first projection, A second vehicle positioned on the second projection, wherein the second controller is configured to guide the second vehicle on the second projection at the same time as the first vehicle is guided along the first projection, The system according to claim 1, further comprising:

3. The system according to claim 1, wherein the first optical projection characteristics include a central portion having the first optical projection characteristics and a first portion adjacent to the central portion having optical projection characteristics different from the first optical projection characteristics.

4. The system according to claim 3, wherein the controller is further configured to guide the vehicle toward the central portion in response to the detection of the different light projection characteristics by the sensor.

5. The aforementioned controller, The sensor identifies a third optical projection characteristic associated with the first projection, the second projection, or both thereof, the matching optical projection characteristic. The vehicle is controlled to conform to the matching light projection characteristics according to the control operation associated with the third light projection characteristics. The system according to claim 1, further configured as follows.

6. The system according to claim 5, wherein the third optical projection characteristic changes at different positions along the first projection, the second projection, or both thereof, to indicate different control operations that the controller should perform at the different positions.

7. The system according to claim 6, wherein the different control operations include different speeds of movement of the vehicle, and the controller is configured to control the vehicle at the different locations according to the different speeds of movement.

8. The system according to claim 5, wherein the control operation includes the spin movement of the vehicle.

9. The aforementioned controller, The vehicle receives a second input provided by a passenger while it is following the matching light projection characteristics. Based at least partially on the second input, a different light projection characteristic associated with a projection different from the matching light projection characteristic is determined. The movement of the vehicle is changed from following the coincident light projection characteristics to following the different light projection characteristics associated with the different projections. The system according to claim 1, further configured as follows.

10. It is a vehicle, A sensor configured to detect the light projection characteristics projected onto a surface, Controller and A vehicle equipped with, the controller is Receive input, Based on the above input, Selective experiences of an attraction, including locations that provide the attraction scenario, The thrill level of the attraction, as determined by the attribute set, Or both of these, Determine the desired vehicle occupant experience, including Select the optical projection characteristics associated with the desired vehicle occupancy experience, Using the aforementioned sensor, the optical projection characteristics of the projection that match the selected optical projection characteristics are detected on the surface. The vehicle is controlled to conform to the optical projection characteristics of the projection. A vehicle configured in such a way.

11. The vehicle according to claim 10, wherein the input is provided by a passenger of the vehicle.

12. The vehicle according to claim 10, wherein the controller is further configured to change the selection of the light projection characteristics based on instructions for modifying the desired vehicle occupant experience.

13. The vehicle according to claim 10, wherein the vehicle includes front wheels located near the front of the vehicle and rear wheels located near the rear of the vehicle, and the controller is further configured to control the front wheels to conform to a first projection and the rear wheels to conform to a second projection.

14. The vehicle according to claim 10, wherein the sensor is configured to scan the surface and detect when an abnormality occurs in the light projection characteristics projected onto the surface.

15. The vehicle according to claim 10, wherein the controller is configured to communicate with other vehicles regarding the selection of the optical projection characteristics of the projection, a specific position of the vehicle, the speed of the vehicle, future changes to the optical projection characteristics of the projection, or any combination thereof.

16. A method for controlling a vehicle, Receiving input via a controller, Based on the input, via the controller, Selective experiences of an attraction, including locations that provide the attraction scenario, The thrill level of the attraction, as determined by the attribute set, Or both of these, This includes determining the desired vehicle occupant experience, Selecting the light projection characteristics associated with the desired vehicle occupant experience via the controller, Using the sensors on the vehicle, detect on the surface the optical projection characteristics of the projection that match the selected optical projection characteristics, Controlling the vehicle via the controller so as to conform to the optical projection characteristics of the projection on the surface, Methods that include...

17. The method according to claim 16, wherein the light projection characteristics include a specific barcode, a specific QR code (registered trademark), a specific shape, a specific object pattern, or a combination thereof.

18. The method according to claim 16, further comprising stopping the movement of the vehicle if the light projection characteristics cannot be detected by the sensor on the vehicle, if an abnormality in the light projection characteristics is observed, or in both cases.

19. The method according to claim 16, further comprising changing the selection of the light projection characteristics of the projection based on the change in the desired vehicle occupant experience.

20. The method according to claim 16, further comprising communicating with other vehicles about the selection of the optical projection characteristics of the projection, a specific position of the vehicle, the speed of the vehicle, future changes to the optical projection characteristics of the projection, or any combination thereof.

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