Lisandro Piacentini

Lisandro is the founder of Torquety, a specialized platform for robotics distribution. He has a deep background in enterprise sales models and is passionate about helping robotics startups scale.

Slip Ring Technology Trends: Contactless Power, Multi-Protocol Data, and Integrated Gantry Systems

The trajectory of slip ring technology is driven by three concurrent demands: higher data bandwidth from modern sensors and imaging systems, the elimination of brush maintenance through contactless alternatives, and the integration of power, data, fluid, and position functions into unified rotating assemblies. This article defines the current state and near-term direction of each trend based on documented engineering capabilities.

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RF Rotary Joints: Frequency Range, Loss Specifications, and Integration with Slip Ring Assemblies

RF rotary joints transmit microwave and millimeter-wave signals across a rotating interface. Their integration with electrical slip rings creates hybrid assemblies capable of simultaneously transmitting power, data, and RF signals — a requirement for modern radar and electronic warfare platforms.

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Motor Temperature Monitoring in Servo Systems: Thermistor-Based Analog Sensing with Steinhart-Hart Coefficients

Motor overheating is the leading cause of insulation degradation in servo motor windings. Accurate temperature monitoring — beyond simple binary PTC trip points — requires a continuous analog measurement model. The Steinhart-Hart equation provides an empirical model that converts thermistor resistance to temperature with the accuracy needed for predictive load management and cooling control.

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Slip Ring Offshore Wind: Corrosion Protection, Ingress Rating, and Lifecycle Service

Offshore wind turbine slip rings face a combined environment of saltwater corrosion, humidity cycling, and marine organisms that significantly accelerates degradation compared to onshore equivalents. Corrosion protection class C4/C5-M, IP65 minimum ingress protection, and seawater-resistant coatings are the baseline design requirements for offshore deployment.

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Rotary Encoders for SATCOM Antenna Pointing Systems: Requirements and Technology Selection

SATCOM antenna pointing systems require absolute position feedback with high accuracy, wide temperature range, and immunity to EMI from the antenna itself. This article defines the pointing accuracy budget, environmental constraints, and encoder technology selection for SATCOM-on-the-Move (SOTM) and fixed SATCOM systems.

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Rotary Encoder Selection for CNC Machine Tools: Resolution, Accuracy, and Interface Requirements

CNC machine tool axis position feedback requirements differ from general motion control applications in their combination of high resolution, tight accuracy specification, wide speed range, and tolerance for machining coolant. This article defines the encoder parameters required for CNC servo axis, spindle speed, and linear position feedback applications.

Rotary Encoder Selection for CNC Machine Tools: Resolution, Accuracy, and Interface Requirements Read More »

Torque Motor Direct Drive Systems: Encoder Requirements for High-Pole-Count Motors

Torque motors are frameless, high-pole-count brushless motors designed for direct drive without gear reduction. Position feedback for torque motors requires absolute encoders with sufficient resolution to provide commutation data across the large number of pole pairs, while achieving the axis accuracy required by the application.

Torque Motor Direct Drive Systems: Encoder Requirements for High-Pole-Count Motors Read More »

Slip Ring Condition Monitoring: Predictive Maintenance Architecture for Rotating Interfaces

Real-time condition monitoring of slip ring assemblies converts measured operational data — contact resistance, temperature, vibration, humidity, and torque — into actionable maintenance alerts. Intelligent algorithms applied to this data predict remaining service life and reduce unplanned downtime in high-value rotating systems.

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Optical Encoder Performance in Harsh Environments: Contamination Failure Modes and Tolerant Designs

Optical encoder performance degrades when contaminants enter the sensing gap. The failure modes differ by contamination type: particulates obscure the scale progressively, while liquid mist can cause sudden signal loss. Contamination-tolerant optical architectures use wide-area averaging and signal processing to extend reliable operation in non-cleanroom environments.

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