Programmable Belt Pitching Machine for Accurate Variable Pitches
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Solution Overview
Problem
Conventional pitching machines fail to reliably simulate human pitching, require time-consuming setup for different pitch types, and lack accuracy in delivering various pitches, limiting their effectiveness in game-simulation training for baseball and softball players.
Innovation Solution
A programmable pitching machine with a belt propulsion mechanism, electromechanical pitch adjustment mechanisms, and a control unit that allows for precise control of pitch type, speed, trajectory, and rotational velocity, enabling consecutive throws of different pitches without re-setup, using a graphical interface for programming and calibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional pitching machines use fixed mechanical setups for different pitch types, then the machine can deliver consistent pitch characteristics, but the machine requires time-consuming re-setup for each pitch type change
Solution Approach 1:
The pitching machine employs adjustable mechanical components including a height-adjustable pitching assembly, variable pitch angle mechanisms, and programmable belt speed controls. These dynamic elements allow the machine to transition between different pitch types (fastball, curveball, slider) without complete re-setup, maintaining precision while reducing adjustment time through controlled variability in the mechanical system
Solution Approach 2:
The machine includes pre-configured pitch programs stored in memory that contain predetermined settings for various pitch types. When a pitch type is selected, the system automatically retrieves and applies the pre-programmed parameters, eliminating the need for manual re-setup and ensuring consistent, accurate pitch delivery from the start of each pitch type sequence
2Adaptability or versatility
If conventional pitching machines use simple propulsion mechanisms, then the machine structure remains simple, but the machine cannot accurately simulate various human pitch types with different trajectories and rotations
Solution Approach 1:
The propulsion system is divided into multiple independently controlled elements: three separate belts (two upper belts and one lower belt) that can rotate at different speeds and directions. This segmentation allows each belt to contribute differently to ball rotation and trajectory, enabling complex pitch types including curves, sliders, and cutters while maintaining a relatively simple overall belt-based structure
Solution Approach 2:
The pitching assembly acts as an intermediary mechanism between the ball feed system and the target. It incorporates height adjustment, pitch angle control, and rotational components that mediate the ball's trajectory and spin characteristics. This intermediary structure enables versatile pitch simulation without requiring complex direct manipulation of the ball from the propulsion source
3Reliability
If conventional pitching machines throw predictable pitch sequences, then the machine operation is simple to control, but the training effectiveness is reduced as batters can anticipate pitch location and timing
Solution Approach 1:
The control system dynamically adjusts pitch sequences based on programmable parameters including randomization options, pitch selection algorithms, and timing variations. This allows the machine to deliver unpredictable pitch sequences that simulate real game conditions, improving training effectiveness while the programmable nature maintains operational simplicity through automated sequence management
Solution Approach 2:
The machine incorporates sensors and control logic that can detect ball delivery accuracy and adjust subsequent pitches accordingly. This feedback mechanism enables the system to adapt pitch sequences in real-time, creating more realistic training scenarios while automatically managing the complexity of sequence control through programmed response algorithms
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The machine delivers accurate and varied pitches with precise speed and spin, simulating realistic game scenarios, enhancing training by allowing batters to unpredictably face different pitch types, thus improving training effectiveness.
Implementation Method 1
The balls are conveyed along a tunnel-like length of the propulsion belts to create momentum and direction toward a selected target
Implementation Method 2
Rotational velocities applied to spherical or cylindrical body when immersed in a fluid (e.g., liquid or gas) creates a Magnus effect this causes a pressure differential at location where the ball drags some of the air around the axis of rotation; the pressure differential generates a sidewise force on the object
Data Source
AI summary
Improved pitching machines capable of providing accurate, repeatable, and various pitches for training or simulation purposes (e.g., batting and catching). The pitching machine of the present invention may be operable to deliver pitches that each have a different predetermined trajectory, location, velocity (speed to target), and rotational velocity with repeatable precision and accuracy. Additionally, the pitching machine may be programmable and capable of simulating a pitch sequence, as thrown by a pitcher in a game situation, which provides a novel and effective tool for training batters.