CN219303183U - Multi-degree-of-freedom driving simulator based on mixed reality - Google Patents
Multi-degree-of-freedom driving simulator based on mixed reality Download PDFInfo
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- CN219303183U CN219303183U CN202320246251.2U CN202320246251U CN219303183U CN 219303183 U CN219303183 U CN 219303183U CN 202320246251 U CN202320246251 U CN 202320246251U CN 219303183 U CN219303183 U CN 219303183U
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Abstract
The utility model discloses a mixed reality-based multi-degree-of-freedom driving simulator, which comprises a control terminal, a multi-degree-of-freedom mechanical arm, a seat platform and mixed reality glasses, wherein the control terminal is connected with the seat platform; a physical operation part is arranged in the seat platform; the control terminal obtains the operation of an operator on the operation part and controls the seat platform to simulate acceleration, uniform speed, deceleration and turning; the mixed reality glasses acquire real object views in the seat platform in real time, and track and acquire position and posture information when an operator observes; the control terminal also generates a virtual view, fuses the real view and the virtual view to obtain a fused view, and sends the fused view to the mixed reality glasses for display, and simultaneously, the control terminal synchronously updates and renders the fused view matched with the position and posture in the mixed reality glasses according to the position and posture information when an operator observes. The utility model improves the effect of simulating the real sense of driving and reduces the cost compared with full-physical simulation.
Description
Technical Field
The utility model relates to the technical field of driving simulators, in particular to a mixed reality-based multi-degree-of-freedom driving simulator applied to industries such as automobiles and airplanes.
Background
The simulation platform of the existing simulators such as airplanes and automobiles applies the virtual reality technology to the multi-degree-of-freedom motion platform, virtual vision, sound effects and motion simulation in the driving process are generated through the computer technology, so that a driver is immersed into the virtual driving environment to generate the real driving feeling, and driving in the real world is experienced, known and learned. The current motion simulator is generally a full-physical simulator and a virtual reality simulator.
The full-object simulator takes a large screen or projection and a 1:1 seat platform as technical characteristics to realize the simulation of the environment inside and outside the cabin, and all equipment in the 1:1 cabin, such as a switch, a button and the like, are realized by objects. In addition, the operation equipment of the cockpit adopts a triaxial operation system with force feedback to realize the force sense simulation of main operation. The full-physical simulator has the advantages of powerful function, high simulation fidelity, huge volume, structural load and high cost.
The virtual reality simulator adopts VR technology to realize the visual simulation (HMD is generally adopted as visual display equipment), the cabin display equipment of the virtual reality simulator is simulated and presented in a virtual reality mode, and the virtual reality simulator has the advantages of small size, low cost, strong universality and more application in the military field. However, the virtual reality simulator emphasizes that the vision, hearing, touch and the like of an operator in a virtual environment are completely generated by a computer, various senses of the operator are relatively isolated from the real world, the operator is completely immersed in the virtual environment which is completely generated by the computer, the actions of the operator are not reflected in real time in the virtual environment, the operator cannot watch the actions of the operator, people in life cannot mainly guide hands to finish operation behaviors through visual feedback, the inconsistency of the seen contents of the operator and the motion process cannot achieve the effect of 'seeing accurate' and 'touching accurate', the somatosensory effect in driving simulation is poor, and the reality is not high.
Accordingly, the prior art is in need of improvement.
Disclosure of Invention
In view of the shortcomings of the prior art, the utility model aims to provide a multi-degree-of-freedom driving simulator based on mixed reality, which aims to improve the effect of simulating the real sense of driving and reduce the cost compared with full-physical simulation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mixed reality-based multiple degree of freedom driving simulator, comprising:
the system comprises a control terminal, a multi-degree-of-freedom mechanical arm, a seat platform and mixed reality glasses;
the control terminal is electrically connected with the multi-degree-of-freedom mechanical arm, the seat platform and the mixed reality glasses, and the seat platform is connected to the output end of the multi-degree-of-freedom mechanical arm;
the seat platform is internally provided with a seat and a physical operation part which is the same as that in the real cockpit;
the control terminal obtains the operation action of an operator on the operation part, and controls the multi-degree-of-freedom mechanical arm to perform multi-degree-of-freedom movement according to the operation action, so as to drive the seat platform to perform simulation of acceleration, uniform speed, deceleration and turning driving movement;
the mixed reality glasses acquire real object views in the seat platform in real time and track and acquire position and posture information of the operator in real time when the operator observes the real object views;
the control terminal also generates a virtual view, the virtual view is an image which can be observed inside and outside a cockpit in the driving process, the control terminal fuses the real view and the virtual view to obtain a fused view and sends the fused view to the mixed reality glasses for display, and meanwhile, the control terminal synchronously updates and renders the fused view matched with the position and posture in the mixed reality glasses according to the position and posture information observed by an operator.
The control terminal is connected with a motion capturing sensor and is used for capturing the direction and the force of the hand and foot motions of an operator.
Wherein, the mixed reality glasses are provided with binocular cameras and inertial sensors;
the binocular camera is used for shooting a physical image in the seat platform in real time;
and the inertial sensor acquires the angular speed and the acceleration of the operator in real time.
The multi-degree-of-freedom mechanical arm comprises a base, a horizontal rotary table, a first connecting rod, a vertical rotary table, a second connecting rod, a third connecting rod, a horizontal rotary motor, a first connecting rod rotary motor, a vertical rotary motor and a second connecting rod rotary motor;
the base is rotationally connected with the horizontal turntable, and the horizontal turntable is driven to rotate in an xy plane relative to the base by a horizontal rotating motor arranged on the horizontal turntable;
two ends of the first connecting rod are respectively connected with the horizontal plane turntable and the vertical plane turntable in a rotating way, one end of the first connecting rod drives the first connecting rod to rotate in an xz plane relative to the horizontal plane turntable through a first connecting rod rotating motor arranged on the horizontal plane turntable, and the other end of the first connecting rod drives the vertical plane turntable to rotate in the xz plane relative to the first connecting rod through a vertical rotating motor arranged on the vertical plane turntable;
two ends of the second connecting rod are respectively connected with the vertical surface turntable and the third connecting rod in a rotating way, and one end of the second connecting rod connected with the vertical surface turntable drives the second connecting rod to rotate relative to the central shaft of the second connecting rod through a second connecting rod rotating motor arranged on the vertical surface turntable;
the third connecting rod rotates in the xz plane relative to the second connecting rod, and one end, far away from the second connecting rod, of the third connecting rod is connected with the seat platform.
The horizontal plane turntable is further provided with a telescopic cylinder capable of swinging up and down, a pull rod capable of extending or recovering is arranged in the telescopic cylinder, and the extending end of the pull rod is hinged with the first connecting rod.
According to the multi-degree-of-freedom driving simulator based on mixed reality, the real object operation part is arranged in the seat platform, the operation actions of an operator, the real object operation part and the virtual view are displayed after being fused through the mixed reality glasses, and meanwhile, the motion experiences of acceleration, uniform speed, deceleration, turning and the like corresponding to the operation actions are timely output through the multi-degree-of-freedom mechanical arm, so that the operator can see the actions of hands and feet of the operator in the fused view, the content observed by the operator has high synchronous consistency with the motion process, the body feeling effect is real, and the immersion feeling of the driving real machine is generated. Meanwhile, the cost is reduced because full physical simulation is not needed.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a driving simulator with multiple degrees of freedom based on mixed reality;
fig. 2 is a schematic structural diagram of a first embodiment of a driving simulator with multiple degrees of freedom based on mixed reality according to the present utility model;
FIG. 3 is a schematic illustration of the connection of a multiple degree of freedom mechanical arm to a seat platform according to the present utility model;
FIG. 4 is an exploded view of the structure of FIG. 3;
fig. 5 is a schematic view showing a state in which the seat platform is lifted.
Reference numerals illustrate:
100-simulator, 1-control terminal, 2-multi-degree of freedom mechanical arm, 201-base, 202-horizontal plane turntable, 203-first connecting rod, 204-vertical plane turntable, 205-second connecting rod, 206-third connecting rod, 207-horizontal rotation motor, 208-first connecting rod rotation motor, 209-vertical rotation motor, 210-second connecting rod rotation motor, 211-telescopic cylinder, 212-pull rod, 3-seat platform, 31-seat, 4-mixed reality glasses, 41-camera, 42-inertial sensor, 5-motion capture sensor, 200-operator.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be either a fixed connection or a removable connection or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 5, the present utility model provides a driving simulator 100 with multiple degrees of freedom based on mixed reality, which includes a control terminal 1, a mechanical arm 2 with multiple degrees of freedom, a seat platform 3 and mixed reality glasses 4.
The control terminal 1 is electrically connected with the multi-degree-of-freedom mechanical arm 2, the seat platform 3 and the mixed reality glasses 4, and the seat platform 3 is connected to the output end of the multi-degree-of-freedom mechanical arm 2.
The seat platform 3 is internally provided with a seat 31 and the same physical operation parts as in a real cockpit.
The physical operation parts can be adaptively configured according to the project of simulating driving, for example, the physical operation parts comprise a steering wheel, a brake, an accelerator, a clutch, a gear shifting hand lever and the like when simulating automobile driving. Also, the operation parts in the cockpit of the aircraft are arranged in the seat platform when the aircraft is simulated to be piloted.
The multi-degree-of-freedom mechanical arm 2 of the utility model performs multi-degree-of-freedom motions including translational motions along the x-axis, the y-axis and the z-axis, rotational motions around the x-axis, the y-axis and the z-axis, and the like. The mechanical arm can be arranged into a serial mechanical arm with 5 degrees of freedom or 6 degrees of freedom according to the requirement.
In the prior art, six parallel-connection type motion platforms driven by hydraulic cylinders are generally adopted, but the parallel-connection six-degree-of-freedom motion platforms are influenced by the motion strokes and output forces of a plurality of cylinders, so that acceleration actually required by equipment cannot be continuously output, and the simulation reliability and the actual experience are reduced. The utility model adopts the serial multi-degree-of-freedom mechanical arm 2, has higher flexibility and larger movement range, and can realize the possibility of any end effector gesture in the working space.
The control terminal 1 of the utility model obtains the operation action of the operator 200 on the operation part, and controls the mechanical arm 2 with multiple degrees of freedom to move with multiple degrees of freedom according to the operation action, so as to drive the seat platform 3 to simulate the acceleration, the uniform speed, the deceleration and the turning driving movement. The control terminal 1 of the utility model is connected with a motion capture sensor 5 for capturing the direction and force of the hand and foot motion of an operator 200 so as to obtain the operation parameters of physical operation components such as steering wheel, accelerator, speed change, brake and the like, such as 30 degrees steering wheel right, 20% accelerator input and the like. After the operation parameters of the physical operation component are obtained, the control terminal 1 calculates the position and the gesture of the seat platform 3 according to the operation parameters, and plans the motion track of the mechanical arm 2 and executes the joint motion control after calculation so as to realize the simulation of the acceleration, the uniform speed, the deceleration and the turning driving motion of the seat platform 3.
The mixed reality glasses 4 acquire real object views in the seat platform 3 in real time, and track and acquire position and posture information of the operator 200 when in observation in real time. The physical view includes physical operational components within the seat platform 3, hands and feet of the operator 200, and the like.
The control terminal 1 also generates a virtual view, which is an image that can be seen inside and outside the cockpit during driving. The cockpit is a virtual cockpit corresponding to a cockpit project, such as an automobile cockpit or an airplane cockpit, and images which can be watched inside and outside the cockpit during the cockpit, such as in-cabin meters, display screens, off-cabin roads, sceneries and the like, are generated by the control terminal 1.
And the control terminal 1 fuses the real object view and the virtual view to obtain a fused view and sends the fused view to the mixed reality glasses 4 for display. The mixed reality glasses 4 of the present utility model are provided with a binocular camera 41 and an inertial sensor 42, wherein the binocular camera 41 is used for capturing real-time images of objects in the seat platform 3, and the inertial sensor 42 is used for acquiring the angular velocity and acceleration of the operator 200 in real time.
The binocular camera 41 of the mixed reality glasses 4 collects high-definition images of real object operation components such as a steering wheel, an accelerator, a human hand and the like in the seat platform 3, then the control terminal 1 performs foreground extraction, light and shadow processing and three-dimensional reconstruction on the collected images and real-time fusion of the images and the virtual views, and the fusion process performs shielding processing on the operation components in the virtual cockpit, so that the collected real object operation components and the human hand are embedded into the virtual reality, and virtual-real fusion is realized.
Meanwhile, the control terminal 1 of the simulator 100 of the present utility model synchronously updates and renders the fusion view matching the position and posture in the mixed reality glasses 4 according to the position and posture information when the operator 200 observes. The binocular camera 41 and the inertial sensor 42 of the mixed reality glasses 4 achieve the effects that the locator function captures the spatial locating information and the gesture information of the operator 200 when the operator observes in the seat platform 3, updates the view corresponding to the position gesture information in real time, achieves perfect fusion of the driving view angle and the virtual view, enables the operator 200 to see the actions of hands and feet of the operator in real time in the fused view, and enables the observed content to be highly synchronous with the motion process, so that the effect of 'seeing accurate' and 'touching accurate' is achieved, and the immersion sense of the driving real machine is generated.
Meanwhile, the simulator 100 does not need full physical simulation, only needs to truly simulate the operation parts such as steering wheel, accelerator, brake and the like which are actually watched and touched by the operator 200 in the driving process, and reduces the equipment cost.
Specifically, as shown in fig. 3 and 4, the multi-degree of freedom mechanical arm 2 includes a base 201, a horizontal turntable 202, a first link 203, a vertical turntable 204, a second link 205, a third link 206, and further includes a horizontal rotation motor 207, a first link rotation motor 208, a vertical rotation motor 209, and a second link rotation motor 210.
The base 201 is rotatably connected to the horizontal turntable 202, and the horizontal turntable 202 is driven to rotate in the xy plane relative to the base 201 by a horizontal rotation motor 207 mounted on the horizontal turntable 202. The horizontal plane turntable 202 drives the whole mechanical arm 2 to rotate 360 degrees in the horizontal plane. The rotation of the horizontal turntable 202 is one degree of freedom.
The two ends of the first connecting rod 203 are respectively connected with the horizontal plane turntable 202 and the vertical plane turntable 204 in a rotating way, one end of the first connecting rod drives the first connecting rod 203 to rotate in an xz plane relative to the horizontal plane turntable 202 through a first connecting rod rotating motor 208 arranged on the horizontal plane turntable 202, and the other end of the first connecting rod drives the vertical plane turntable 204 to rotate in the xz plane relative to the first connecting rod 203 through a vertical rotating motor 209 arranged on the vertical plane turntable 204. The relative rotation of the two ends of the first link 203 is in two degrees of freedom.
The two ends of the second connecting rod 205 are respectively connected with the vertical surface turntable 204 and the third connecting rod 206 in a rotating way, and one end connected with the vertical surface turntable 204 drives the second connecting rod 205 to rotate relative to the central shaft of the second connecting rod 205 through a second connecting rod rotating motor 201 arranged on the vertical surface turntable 204. The rotation of the second link 205 about its central axis is one degree of freedom.
The third link 206 rotates in the xz plane relative to the second link 205, and an end of the third link 206 remote from the second link 205 is connected to the seat platform 3. The rotation of the third link 206 relative to the second link 205 is one degree of freedom.
In this embodiment, when the connection between the third link 206 and the seat platform 3 is a fixed connection, the motion of the whole multi-degree-of-freedom mechanical arm 2 is 5 degrees of freedom, and when the connection between the third link 206 and the seat platform 3 is a rotational connection, the motion of the whole multi-degree-of-freedom mechanical arm 2 is 6 degrees of freedom. The combination of the multi-degree-of-freedom motions can realize the up-down, left-right, front-back movement and tilting of the seat platform 3 and experience the experiences of acceleration, deceleration, turning and the like. The seat platform 3 is raised to a high position as shown in fig. 5.
The horizontal rotation motor 207, the first link rotation motor 208, the vertical rotation motor 209, and the second link rotation motor 210 of the embodiment of the present utility model may all be dc motors.
Preferably, the horizontal turntable 202 is further provided with a telescopic cylinder 211 capable of swinging up and down, an extendable or retractable pull rod 212 is arranged in the telescopic cylinder 211, and an extended end of the pull rod 212 is hinged with the first link 203. The arrangement of the telescopic pull rod 212 improves the supporting strength of the first connecting rod 203, and prompts the stability of the whole mechanical arm 2.
According to the multi-degree-of-freedom driving simulator based on mixed reality, the real object operation part is arranged in the seat platform, the operation actions of an operator and the real object operation part are fused with the virtual view through the mixed reality glasses and then displayed, and meanwhile, the motion experiences of acceleration, uniform speed, deceleration, turning and the like corresponding to the operation actions are timely output through the multi-degree-of-freedom mechanical arm, so that the operator can see the actions of hands and feet of the operator in the fused view, the content observed by the operator has high synchronous consistency with the motion process, the body feeling effect is real, and the immersion feeling of the driving real machine is generated. Meanwhile, the cost is reduced because full physical simulation is not needed.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims, rather, as the description of the utility model covers all embodiments of the utility model.
Claims (5)
1. A mixed reality-based multiple degree of freedom driving simulator, comprising:
the system comprises a control terminal, a multi-degree-of-freedom mechanical arm, a seat platform and mixed reality glasses;
the control terminal is electrically connected with the multi-degree-of-freedom mechanical arm, the seat platform and the mixed reality glasses, and the seat platform is connected to the output end of the multi-degree-of-freedom mechanical arm;
the seat platform is internally provided with a seat and a physical operation part which is the same as that in the real cockpit;
the control terminal obtains the operation action of an operator on the operation part, and controls the multi-degree-of-freedom mechanical arm to perform multi-degree-of-freedom movement according to the operation action, so as to drive the seat platform to perform simulation of acceleration, uniform speed, deceleration and turning driving movement;
the mixed reality glasses acquire real object views in the seat platform in real time and track and acquire position and posture information of the operator in real time when the operator observes the real object views;
the control terminal also generates a virtual view, the virtual view is an image which can be observed inside and outside a cockpit in the driving process, the control terminal fuses the real view and the virtual view to obtain a fused view and sends the fused view to the mixed reality glasses for display, and meanwhile, the control terminal synchronously updates and renders the fused view matched with the position and posture in the mixed reality glasses according to the position and posture information observed by an operator.
2. The mixed reality-based multiple degree of freedom driving simulator of claim 1, wherein the control terminal is connected with a motion capturing sensor for capturing the direction and force of the hand and foot motions of an operator.
3. The mixed reality-based multiple degree of freedom driving simulator of claim 1, wherein the mixed reality glasses are provided with binocular cameras and inertial sensors;
the binocular camera is used for shooting a physical image in the seat platform in real time;
and the inertial sensor acquires the angular speed and the acceleration of the operator in real time.
4. The mixed reality-based multiple degree of freedom driving simulator of claim 1, wherein the multiple degree of freedom mechanical arm comprises a base, a horizontal plane turntable, a first connecting rod, a vertical plane turntable, a second connecting rod, a third connecting rod, a horizontal rotation motor, a first connecting rod rotation motor, a vertical rotation motor and a second connecting rod rotation motor;
the base is rotationally connected with the horizontal turntable, and the horizontal turntable is driven to rotate in an xy plane relative to the base by a horizontal rotating motor arranged on the horizontal turntable;
two ends of the first connecting rod are respectively connected with the horizontal plane turntable and the vertical plane turntable in a rotating way, one end of the first connecting rod drives the first connecting rod to rotate in an xz plane relative to the horizontal plane turntable through a first connecting rod rotating motor arranged on the horizontal plane turntable, and the other end of the first connecting rod drives the vertical plane turntable to rotate in the xz plane relative to the first connecting rod through a vertical rotating motor arranged on the vertical plane turntable;
two ends of the second connecting rod are respectively connected with the vertical surface turntable and the third connecting rod in a rotating way, and one end of the second connecting rod connected with the vertical surface turntable drives the second connecting rod to rotate relative to the central shaft of the second connecting rod through a second connecting rod rotating motor arranged on the vertical surface turntable;
the third connecting rod rotates in the xz plane relative to the second connecting rod, and one end, far away from the second connecting rod, of the third connecting rod is connected with the seat platform.
5. The mixed reality-based multiple degree of freedom driving simulator of claim 4, wherein the horizontal plane turntable is further provided with a telescopic cylinder capable of swinging up and down, an extendable or recyclable pull rod is arranged in the telescopic cylinder, and an extending end of the pull rod is hinged with the first connecting rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320246251.2U CN219303183U (en) | 2023-02-10 | 2023-02-10 | Multi-degree-of-freedom driving simulator based on mixed reality |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320246251.2U CN219303183U (en) | 2023-02-10 | 2023-02-10 | Multi-degree-of-freedom driving simulator based on mixed reality |
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| CN219303183U true CN219303183U (en) | 2023-07-04 |
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| CN202320246251.2U Active CN219303183U (en) | 2023-02-10 | 2023-02-10 | Multi-degree-of-freedom driving simulator based on mixed reality |
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