A simulator for autonomous vehicle steering systems.

Abstract

The invention relates to an autonomous vehicle simulator consisting of an electric motor, electric motor controller, steering mechanism, vehicle animation interface, and code development interface, which allows users to both test their own developed autonomous vehicle steering motor systems and create autonomous vehicle driving scenarios using the hardware-in-loop system.

Description

A SIMULATOR FOR AUTONOMOUS VEHICLE STEERING SYSTEMS Technical Area The invention simulates the behavior of steering, throttle, and braking systems in autonomous vehicles during driving. a hardware system in a loop, developed for testing on hardware, steering mechanics, wheel load, animation interface, brushless DC motor, motor control It involves a simulator with a circuit and a software development interface. State of the Art An autonomous vehicle is a vehicle that can move and navigate on its own without human intervention. It is a vehicle capable of doing so. In other words, it is a vehicle that can operate without a driver. Autonomous vehicles are generally... It is equipped with artificial intelligence and sensor technologies. These sensors monitor the vehicle's surroundings. By identifying objects, it helps control the vehicle's movement. Autonomous vehicles, They are generally designed to improve factors such as road safety, traffic flow, and driving efficiency. Vehicle safety systems aim to prevent collisions by detecting pedestrians and other vehicles. It is also optimized to reduce traffic congestion and increase fuel efficiency. They can follow routes. Autonomous vehicle technology is a rapidly developing field in the automotive industry. It is a field. Many car manufacturers and technology companies are working to develop autonomous vehicles. The use of autonomous vehicles will provide a safer and more comfortable driving experience for drivers in the future. It aims to present. Software for simulating and testing the steering control of autonomous vehicles, or An autonomous vehicle steering system simulator, which is a hardware system, is used. These simulators, To predict how the steering system of autonomous vehicles will behave in different scenarios and Used for testing. These scenarios simulate real-world conditions and various traffic situations. can verify that the autonomous vehicle's steering system is operating safely and efficiently. It provides feedback to the user. Autonomous vehicle steering system simulators enable autonomous vehicles to... Improved to provide greater safety, better performance and better energy efficiency. These simulators are used in the process before autonomous vehicles begin real-world testing. It offers the opportunity to optimize their behavior and handle error situations. Furthermore, for autonomous vehicles... to evaluate the impact of changes to software, algorithms, or hardware and to plan for the future Improving the performance of autonomous vehicle steering systems by simulating driving conditions. They are used for this purpose. These simulators offer developers costly and potentially dangerous real-world simulations. 2 working on the steering system of autonomous vehicles without the need for testing and It provides the opportunity to optimize. Test simulators for autonomous vehicles that work with different and realistic data. Many studies have been conducted to improve it today. One of these studies is, US10489993B2 number and “In-Loop Hardware Emulator for Vehicle Steering Test System” This invention is the subject of a patent application titled "Architecture and Control Logic". The invention generally... It relates to wired drive (DBW) systems for motor vehicles. More specifically, emulators. To test in-loop hardware (HIL) test benches and vehicle-guided (SBW) systems, or It relates to the control algorithms responsible for calibration. The invention concerns wired controlled steering. A hardware system in a loop is proposed for the systems. My system has a real-time operating system. It has been used. In the system where vehicle dynamics are defined by the user, the vehicle is simulated. It is possible. Another study is related to patent application number US9188507B2, titled “Steering Test Stand”. The subject of this invention is automotive systems in general. The present invention is particularly relevant to automotive systems. It is intended for steering test stands. Steering stand, torque measuring device, steering device. It has another device that applies force and a control unit. It also controls the actuators. The unit includes a control unit connected to a computer. The computer monitors the vehicle's static and dynamic conditions. It simulates its features. The data obtained from the simulation is sent to the control unit. The system uses a second steering wheel as a feedback unit. Another study, numbered US10093345B1, describes a “Steering Cycle Hardware (HIL) System”. Patent titled "System and Method for Testing a Manually Removed Clutch" This is the invention that is the subject of the application. The invention contributes to the art of electric hydraulic power steering systems and more. Specifically, testing of hands-free clutch for a steering wheel-mounted steering system. It relates to a system and method for performing the test. The method involves mounting the hardware onto a test apparatus in the loop. It includes a modified drive system. Another study, numbered JP2022082002A, is titled “Automobile Test System and Road Driving Simulator”. This invention is the subject of a patent application titled [Patent Title]. The invention is related to testing automobiles. It relates to techniques. The invention involves a dynamometer for applying load to the drive shaft of the automobile. using an accurate calculation of the force applied from the wheels to the steering system of a real vehicle. This allows for simulation in a way that a dynamometer can rotate and support a vehicle. It is connected to the 35-inch wheel and a moment is applied to the wheel axle. 3 Another study, numbered JP2005212706A and titled “Electric Power Steering Evaluation System, The invention is the subject of a patent application titled "Method and Program". The invention is an electrical... steering evaluation system, method and program, and more specifically, an electric an electric power steering evaluation system, method for simulating the steering mechanism and is related to the program. In the invention, a computer models the vehicle based on a steering wheel. It simulates the dynamic behavior of the vehicle. The simulation results determine the dynamic behavior of the vehicle. An actuator. and by providing steering response based on the vehicle's behavior via sensors, it gives the driver a realistic travel experience. It provides a close steering feel. In conclusion, autonomous vehicle steering eliminates the disadvantages present in the current technology. The need for a simulator for these systems and the inadequacy of existing solutions are related to the technical aspects. This has made it necessary to make improvements in this field. Brief Description of the Invention The present invention meets the aforementioned requirements while eliminating all disadvantages. and autonomous vehicles, which offer some additional advantages, have steering, throttle and braking systems that drive the vehicle. It was developed to test its behavior on real hardware, and it contains a Hardware system in the loop, steering mechanics, wheel load, animation interface, brushless line It involves a simulator that includes a current motor, a motor control circuit, and a software development interface. Based on the current state of the art, the aim of the invention is to create a device inside the simulator that... Hardware system in the loop, steering mechanics, wheel load, animation interface, brushless line autonomous vehicle thanks to current motor, motor control circuit and software development interface By testing steering drive systems, users can develop the necessary algorithm for trajectory control. Improvements to the steering, throttle, and brake systems on the simulator during driving. testing its behavior on real hardware; motor control algorithm, overtaking, Parking, traffic sign recognition algorithms can be developed; especially steering wheel drive The goal is to improve the behavior of these systems and their control algorithms. The purpose of the invention is to enable steering drive motors developed by users to be simulated using a simulator. The goal is to ensure that the process is simulated using the hardware system within the loop. Another aim of the invention is to enable Level-4 autonomous driving thanks to the radar and camera connected to the electric motor. The goal is to enable the simulation of 35 vehicles. 4 Another purpose of the invention is to enable overtaking, parking, lane changes and traffic management through a steering system. The goal is to enable testing of signal recognition algorithms. The structural and characteristic features and all the advantages of the invention are described in detail below. This will make it clearer, therefore the evaluation should also include these detailed explanations. This should be done taking that into consideration. Detailed Description of the Invention This detailed description explains how the invention relates to the steering, throttle, and braking systems of autonomous vehicles. It was developed to test its behavior on real hardware, and it contains a Hardware system in the loop, steering mechanics, wheel load, animation interface, brushless line A simulator that includes a current motor, motor control circuit, and software development interface. as an example to help better understand the subject and without creating any limiting effects. It is described in this way. The simulator described in this invention is particularly suitable for testing autonomous vehicle steering drive systems and It was developed for the purpose of improving algorithms. In the aforementioned simulator, users The hardware in a loop develops the algorithm necessary for trajectory control on the simulator. system, steering mechanics, wheel load, animation interface, brushless DC motor, It includes a motor control circuit and a software development interface. The aforementioned simulator contains... Thanks to the actual equipment consisting of the steering, gas and brake system, this is possible while driving. Tests can be performed using the hardware. In the simulator, users can control the motor simultaneously. Algorithms for overtaking, parking, and traffic sign recognition can be developed. The simulator specifically tests the behavior of steering drive systems and control algorithms. It provides a significant advantage in its development. An electric motor, electric motor controller, steering mechanism, vehicle animation interface. The autonomous vehicle simulator, consisting of a code development interface, allows users to both develop and operate their own vehicles. They test the autonomous vehicle steering motor systems they have developed, as well as autonomous vehicle driving. It allows the creation of scenarios in a loop using the hardware system. In the simulator system, users can steer the wheel over the steering mechanism of a real vehicle. It is able to test the electric motor and motor driver algorithms required for control and testing. It can create scenarios for this. It differs from the existing systems currently in use. The motor control software can be tested on the simulator and real-time results can be obtained. is able to.

Claims

A SIMULATOR FOR I The invention consists of an electric motor, an electric motor controller, a steering mechanism, and a vehicle animation interface. Consisting of a user interface and a code development interface, it allows users to develop their own autonomous vehicles. It tests steering motor systems and autonomous vehicle driving scenarios in a loop. It relates to an autonomous vehicle simulator that allows the creation of a hardware system. REQUESTS 1. For testing autonomous vehicle steering drive systems and developing algorithms. It is a simulator, and its features are: - Users' engine control algorithm, overtaking, parking, traffic sign recognition algorithms for developing the necessary algorithm for trajectory control, such as on an electric simulator engine, electric motor controller, steering mechanism, wheel load, vehicle animation interface and code development interface; - so that the user can test the equipment during driving. It includes a steering, accelerator, and brake system.

2. This is a simulator that conforms to Claim 1 and is characterized by containing a brushless DC motor.