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<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what the abbreviation RAMS means. [/INST] Reliability, availability, maintainability and safety.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what the abbreviation RC means. [/INST] Repair Coverage.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what the abbreviation SRAC means. [/INST] Safety-related Application Conditions.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what the abbreviation TFFR means. [/INST] Tolerable Functional Failure Rate.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what the abbreviation THR means. [/INST] Tolerable Hazard Rate.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an Environmental conditions is. [/INST] Physical, chemical or biological conditions external to a product which would result inis exposed for a certain period of time.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an Equipment cabinet/box is. [/INST] Any enclosure used as a housing for mechanical, electrical and/or electronic equipment.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an Environmental influence is. [/INST] One or more physical, chemical or biological quantities that characterize an environmental influencerecord (e.g. temperature, humidity).</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an Severity of an environmental factor is. [/INST] The value that characterizes the environmental influence.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an braking is. [/INST] Process which results in the deceleration of the train, or maintaining a constant speed on a gradient or preventing a stationary train from moving.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake, or brake system is. [/INST] Device or combination of devices, the principal function of which is to cause braking.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake system compatibility is. [/INST] Ability of the brake systems that are coupled together to achieve the specified levels of braking performance, functionality and safety.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an braking performance is. [/INST] Parameters and their values used to quantify braking as described in applicable braking standards.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an stopping braking is. [/INST] Braking from an initial speed to a standstill.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an deceleration is. [/INST] Result of a force acting contrary to the direction of movement.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an slowing braking is. [/INST] Braking from an initial speed to a final speed, but not standstill.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an drag braking is. [/INST] Braking on a gradient to a substantially constant speed value.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an stationary braking is. [/INST] Braking used to prevent a stationary train from moving, using the holding brake, immobilisation brake or parking brake.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an holding brake is. [/INST] Brake which is used to prevent a stationary train from moving, under the specified conditions and for a specified time, when the brake system energy used is being replenished.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an immobilisation brake is. [/INST] Brake which is used to prevent a stationary train from moving, under the specified conditions and for a specified time, using just the brake system energy stored on the train.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an parking brake is. [/INST] Brake which is used to prevent a stationary train from moving, under the specified conditions and for an unlimited period of time, without the need for any brake system energy replenishment following application.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake force is. [/INST] Force generated by the brake system to hold, slow, or stop the train, or when drag braking the train.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an retarding force is. [/INST] Summation of all forces acting on the train that cause braking.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an static mass is. [/INST] Mass applied at the wheel-rail interface, with the train or vehicle in a stationary condition.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an equivalent rotating mass is. [/INST] Equivalent mass of the moment of inertia of the wheelsets and coupled rotating parts of the train.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an dynamic mass is. [/INST] Sum of the static mass and the equivalent rotating mass.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an wheel / rail adhesion is. [/INST] Physical phenomenon at the wheel-rail interface used to transmit a tangential force.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an coefficient of adhesion is. [/INST] Ratio of the tangential force at the wheel-rail interface and the force at this interface acting perpendicular to the surface of the rail.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an fully established brake is. [/INST] State in which each functioning brake equipment type is assumed to have reached the brake force corresponding to the brake demand.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an braking distance with a fully established brake is. [/INST] Distance travelled with a fully established brake force to a point when achieving standstill or achieving the target speed.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an stopping distance is. [/INST] Distance travelled from the initiation of brake demand until standstill.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an slowing distance is. [/INST] Distance travelled from the initiation of brake demand until achieving the target speed.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake position is. [/INST] Classification term for brake systems in accordance with their brake application and release timings (e.g. “P” or “G”) and their braking power (e.g. “P”, “G”, “R”, “R+ Mg”) as defined in EN 14198.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake mode is. [/INST] Classification term for brake systems in accordance with their application and release timings as defined in EN 14198.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an delay time is. [/INST] Period of time commencing when a change (positive or negative) in brake demand is initiated and ending when achieving a % or c % of the established braking parameter.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an build-up time is. [/INST] Period of time commencing at the end of the delay time and ending when achieving an increase from a % to b % of the established braking parameter.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an release time is. [/INST] Period of time commencing at the end of the delay time and ending when achieving a decrease from c % to d % of the established braking parameter.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an response time is. [/INST] Sum of the delay time and the build-up time, or the delay time and the release time.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an equivalent response time is. [/INST] Sum of delay time and half of the build-up time or release time.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an instantaneous deceleration is. [/INST] Absolute value of the first derivative of speed with respect to time at some instant during speed reduction.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an equivalent deceleration is. [/INST] Deceleration equal to a mean value with respect to the braking distance in a specific speed range and based on fully established brake forces for all functioning brake equipment types.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an mean deceleration is. [/INST] Deceleration which is equal to a mean value with respect to the stopping or slowing distance in a specific speed range and which is normally used for the specification of braking performance.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an jerk is. [/INST] First derivative of the deceleration with respect to time.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an jerk limit is. [/INST] Limit value which will not be exceeded during braking in order to comply with safety and passenger comfort requirements.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an braking energy is. [/INST] Energy which is dissipated during the braking process, expressed in Joules (J).</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake system energy is. [/INST] Energy that is used to fulfil the brake application and release.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an braking power is. [/INST] Power (braking energy per unit time) which is dissipated during the braking process, expressed in Watts (W).</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake weight percentage is. [/INST] Way of describing brake performance, as set out in prEN 16834.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an braking torque is. [/INST] Resultant torque, which is generated by the brake pad force and coefficient of friction operating at the disc brake radius and which is typically used when assessing the performance of disc brakes during dynamometer testing.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an adhesion dependent brake is. [/INST] Brake equipment which transmits a brake force via wheel to rail adhesion.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an standstill is. [/INST] State of a vehicle where there is no relative movement between rail and wheels that are not rotating.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an adhesion independent brake is. [/INST] Brake equipment which transmits a brake force other than by wheel to rail adhesion.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an friction brake is. [/INST] Brake which generates a brake force by friction between two or more surfaces.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an tread brake is. [/INST] Brake which generates a brake force by friction between the running surface of a wheel (tread) and one or more brake blocks.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake block force is. [/INST] Force applied by the brake block to the running surface of a wheel (tread).</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an tread brake force at the wheel is. [/INST] Result of the brake block force multiplied by the coefficient of friction between the brake block and the wheel tread.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an disc brake is. [/INST] Brake in which the brake force is generated by the friction between the brake disc and the brake pads.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake pad force is. [/INST] Force applied by a brake pad to the brake disc.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake force at the brake disc is. [/INST] Result of brake pad force multiplied by the coefficient of friction between the brake pad and the brake disc.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an disc brake force at the wheel is. [/INST] Result of the brake force at the brake disc multiplied by the disc brake radius and divided by the wheel radius.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an magnetic track brake is. [/INST] Brake in which the brake force is generated by the friction between the rail surface(s) and pole shoe(s), forced magnetically into contact with it.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an dynamic brake is. [/INST] Brake equipment type which generates the brake force using the motion of the vehicle or its functional elements, but not involving friction.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an hydro-dynamic brake is. [/INST] Brake in which the brake force is generated by viscous shear, usually in a hydraulic transmission system.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an aerodynamic brake is. [/INST] Brake in which the brake force is generated by aerodynamic resistance.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an eddy current brake is. [/INST] Brake in which the brake force is generated by Eddy current generation in the reaction part.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an electro-dynamic brake is. [/INST] Dynamic brake in which the brake force is generated by the electric traction motors.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an rheostatic brake is. [/INST] Electro-dynamic brake in which the brake force is generated by feeding the electrical current generated by the electric traction motors during braking to a resistor.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an regenerative brake is. [/INST] Electro-dynamic brake in which the brake force is generated by feeding the electrical current generated by the electric traction motors during braking to the power supply network or to any other means of energy storage.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an emergency braking is. [/INST] Application of a pre-defined brake force that, whilst taking into consideration the usable brake equipment types, achieves the specified emergency braking performance and level of safety.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an service braking is. [/INST] Application of an adjustable brake force in order to control the speed of a train, including slowing or, stopping and temporary immobilisation, and is the most commonly used method of brake operation.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an full service braking is. [/INST] Maximum available service braking.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an safety braking is. [/INST] Braking intended to achieve a higher level of system integrity than that achieved when service and emergency braking.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an irreversible brake application is. [/INST] Brake application which after initiation is maintained uninfluenced by the driver until specified conditions have been attained.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an graduable application and release is. [/INST] Ability to increase or reduce the brake force either in steps or continuously.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an overcharge is. [/INST] Control function available to the driver, or automatic function, for increasing the pressure in the brake pipe to a specified value above the normal working pressure for a specified time for the purpose of ensuring that brake release is achieved on all vehicles in the train.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an assimilation is. [/INST] Phase following the application of a higher pressure in the brake pipe, where the pressure reduces to the normal working pressure at a specified rate.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an quick release is. [/INST] Facility within the driver’s brake controller that when used causes the brake pipe to be charged to the normal working pressure faster than that possible when using the normal release facility.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an high pressure quick release is. [/INST] Release which is similar to quick release, insofar as air is supplied to the brake pipe at main reservoir pressure or main reservoir pipe pressure.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake demand is. [/INST] Signal sent to the brake system representing the braking requirement of the driver and, or other systems (e.g. automatic train controls, passenger alarm system, etc.).</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an direct release is. [/INST] Systematic complete reduction of brake force in one step when any level of brake release is demanded.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an main brake system is. [/INST] Continuous brake system of a train which provides at least automatic operation, inexhaustibility and the specified safety level for emergency braking, service braking and to keep the train stationary.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an train brake control is. [/INST] Process in which the brake demand is converted into a signal which is transmitted along the train to all vehicles.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an local brake control is. [/INST] Process in which the train brake control signal and, or other locally generated brake control signals are converted into an output signal to the brake actuation equipment, resulting in a brake force being generated on the vehicle concerned.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an continuous train brake is. [/INST] Brake in which the brake control demands are conveyed to all of the vehicles in a train.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an automatic train brake is. [/INST] Brake in which the loss or interruption of the continuous train brake control signal causes an automatic application of the brake.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an inexhaustible train brake is. [/INST] Brake system in which sufficient energy is stored on-board the train for assuring the specified brake performance and safety level, in all operating conditions.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an indirect brake is. [/INST] Principle in which a decrease of the brake control signal results in an increase of brake force.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an pneumatic control is. [/INST] Process by which the train brake control or local brake control is achieved by the action of air pressure differences and/or flow rates.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an direct brake is. [/INST] Principle in which an increase of the brake control signal results in an increase of brake force.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an hydraulic control is. [/INST] Process by which the train brake control or local brake control is achieved by the action of hydraulic pressure differences and/or flow rates.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an electric/electronic control is. [/INST] Process by which the train brake control or local brake control is achieved by the action of electrical voltage differences and/or current flow rates.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an mechanical control is. [/INST] Process by which the train brake control or local brake control is achieved by the action of mechanical force differences and/or displacement.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an energize to apply is. [/INST] Principle in which the application of a brake requires an energy supply.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an energize to release is. [/INST] Principle in which the release of a brake requires an energy supply.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an electro-pneumatic (EP) control is. [/INST] Combination of electrical and pneumatic control processes.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an electro-pneumatic (EP) assist is. [/INST] Combined type of control in which the pneumatic train brake control signal is assisted in its propagation by electrical equipment operating in parallel.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an electro-hydraulic (EH) control is. [/INST] Combination of electrical and hydraulic control processes.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an electro-mechanical control is. [/INST] Combination of electrical and mechanical control processes.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an brake blending is. [/INST] Controlled interaction between two or more types of brakes, where the brake force provided by one type replaces/supplements the brake force provided by one or more other types, to fulfil the brake demand.</s> |
<s>The conversation between Human and AI assisatance named Chatbot [INST] Explain what an control of braking is. [/INST] Component or combination of components by which the driver's brake demand is converted to a train brake control signal, and which comprises a driver’s brake interface and a driver’s brake controller.</s> |