GPS navigation based simulated steering equipment and simulated steering method thereof
A technology for GPS navigation and simulated driving, which is applied to simulators for space navigation conditions, space navigation equipment, simulators, etc., and can solve problems such as tropospheric errors, influence of GPS measurement accuracy, and drivers' inability to reach their destinations, so as to avoid GPS The effect of positioning error
Inactive Publication Date: 2010-05-12
INVENTEC APPLIANCES NANCHANG
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[0003] Therefore, in the positioning process of GPS, there are usually errors in the following aspects: one is the error for each user receiver, such as: satellite clock error, ephemeris error, ionospheric error, tropospheric error etc.; the second is from the propagation delay error in the atmosphere in nature; in addition, the inherent errors of each user receiver will also affect the measurement accuracy of GPS, such as internal noise, multipath signal transmission error, channel delay Wait
[0004] Especially in the car navigation of GPS applications, the above-mentioned errors may cause the car to drive on a completely different wrong path, the driver cannot reach the intended destination, or even completely lose the most original function of GPS positioning and navigation
In addition, the GPS navigation device in the prior art can display the map of the location only when the user reaches the designated location, and the degree of freedom of use is not high.
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[0022] The specific implementation manners of the present invention will be described in further detail below with reference to the accompanying drawings. Throughout the description, like reference numerals refer to like parts.
[0023] The term "positioning" is no stranger to us. For example, a two-dimensional plane coordinate system is mainly divided into two types: rectangular coordinate system and polar coordinate system. In the rectangular coordinate system, a set of parameters (x, y) can uniquely determine the position of a point. Likewise, in polar coordinates, a set of parameters (ρ, α) can also completely determine the position of a point. For GPS positioning and navigation, accurately locating the position of the user receiver is crucial to the accuracy of GPS navigation. Those skilled in the art should understand that to describe the position of an object, there must be an associated coordinate system, and the position of the user receiver located on the surface o...
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The invention discloses GPS navigation based simulated steering equipment, which is characterized in that when a user inputs a position into the simulated steering equipment, the simulated steering equipment takes the position as the initial steering position of the user and provides GPS navigation based simulation services for the user. The invention provides a simulated steering method, comprising the following steps: inputting an initial position into the simulated steering equipment; inputting a target position into the simulated steering equipment; providing a plurality of best running road schemes for the user by the simulated steering equipment based on the initial position and the target position; selecting one running road scheme by the user; and bringing the user to the expected target position by the simulated steering equipment by adopting GPS navigation according to the selected running road. The simulated steering equipment of the invention can enable the user unfamiliar with the roads to truly experience the conditions and characteristics on the way and around the destination in advance, and avoid the consequences caused by GPS errors in advance.
Description
technical field [0001] The invention relates to GPS positioning and navigation technology, in particular to a driving simulation device based on the GPS positioning and navigation technology, and also to a simulation driving method for the driving simulation device based on the GPS positioning and navigation technology. Background technique [0002] In recent years, the Global Positioning System (Global Positioning System) has been widely used in many aspects such as setting up various forms of control networks, deformation monitoring and precision measurement engineering due to its advantages of fast speed, economy and convenience. As we all know, the basic principle of GPS is to measure the distance between the satellite with known position and the user receiver, and then integrate the data information of multiple satellites to determine the specific position of the user receiver. In order to know the location of the satellite, we need to optimize the design of the orbit o...
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IPC IPC(8): G09B9/04G01C21/28G01S19/01
Inventor 卢强
Owner INVENTEC APPLIANCES NANCHANG